diff --git a/dts/binding-template.yaml b/dts/binding-template.yaml
index 73a72ca87d39..813795403ad2 100644
--- a/dts/binding-template.yaml
+++ b/dts/binding-template.yaml
@@ -10,8 +10,8 @@ description: >
 #
 # If a field appears both in the binding and in a file it inherits, then the
 # value in the binding takes precedence. This can be used e.g. to change a
-# 'category: optional' from an inherited file to a 'category: required' (see
-# the 'properties' description below).
+# 'required: false' from an inherited file to a 'required: true' (see the
+# 'properties' description below).
 inherits:
     !include other.yaml # or [other1.yaml, other2.yaml]
 
@@ -39,7 +39,7 @@ sub-node:
     properties:
         pwms:
             type: compound
-            category: required
+            required: true
 
 # 'properties' describes properties on the node, e.g.
 #
@@ -55,7 +55,7 @@ sub-node:
 # A typical property entry looks like this:
 #
 #   <property name>:
-#     category: <required | optional>
+#     required: <true | false>
 #     type: <string | int | boolean | array | uint8-array | string-array |
 #            phandle | phandles | phandle-array | compound>
 #     description: <description of the property>
@@ -106,23 +106,23 @@ properties:
         constraint: "foo-company,bar-device"
 
     # Describes a property like 'current-speed = <115200>;'. We pretend that
-    # it's obligatory for the example node and set 'category: required'.
+    # it's obligatory for the example node and set 'required: true'.
     current-speed:
         type: int
-        category: required
+        required: true
         description: Initial baud rate for bar-device
 
     # Describes an optional property like 'keys = "foo", "bar";'
     keys:
         type: string-array
-        category: optional
+        required: false
         description: Keys for bar-device
 
     # Describes an optional property like 'maximum-speed = "full-speed";
     # the enum specifies known values that the string property may take
     maximum-speed:
         type: string
-        category: optional
+        required: false
         description: Configures USB controllers to work up to a specific speed.
         enum:
            - "low-speed"
@@ -134,7 +134,7 @@ properties:
     # specifies that the value for the property is expected to be the value 1
     "#address-cells":
         type: int
-        category: required
+        required: true
         const: 1
 
 # If the binding describes an interrupt controller, GPIO controller, pinmux
diff --git a/dts/bindings/arc/arc,dccm.yaml b/dts/bindings/arc/arc,dccm.yaml
index c5bed413bd51..eb84cf84e751 100644
--- a/dts/bindings/arc/arc,dccm.yaml
+++ b/dts/bindings/arc/arc,dccm.yaml
@@ -17,4 +17,4 @@ properties:
       constraint: "arc,dccm"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/arc/arc,iccm.yaml b/dts/bindings/arc/arc,iccm.yaml
index 9b0a6d09046e..f5161a5c1307 100644
--- a/dts/bindings/arc/arc,iccm.yaml
+++ b/dts/bindings/arc/arc,iccm.yaml
@@ -17,4 +17,4 @@ properties:
       constraint: "arc,iccm"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/arm/arm,dtcm.yaml b/dts/bindings/arm/arm,dtcm.yaml
index e0105a3d3314..897a4445003e 100644
--- a/dts/bindings/arm/arm,dtcm.yaml
+++ b/dts/bindings/arm/arm,dtcm.yaml
@@ -12,4 +12,4 @@ properties:
       constraint: "arm,dtcm"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/arm/arm,scc.yaml b/dts/bindings/arm/arm,scc.yaml
index 1a2fa56428f1..430c389c547f 100644
--- a/dts/bindings/arm/arm,scc.yaml
+++ b/dts/bindings/arm/arm,scc.yaml
@@ -17,4 +17,4 @@ properties:
       constraint: "arm,scc"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/arm/atmel,sam0-device_id.yaml b/dts/bindings/arm/atmel,sam0-device_id.yaml
index 9de5f3c2d382..99d39e5a0bf8 100644
--- a/dts/bindings/arm/atmel,sam0-device_id.yaml
+++ b/dts/bindings/arm/atmel,sam0-device_id.yaml
@@ -11,4 +11,4 @@ properties:
       constraint: "atmel,sam0-id"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/arm/atmel,sam0-dmac.yaml b/dts/bindings/arm/atmel,sam0-dmac.yaml
index 0b290b75cde7..349984393c99 100644
--- a/dts/bindings/arm/atmel,sam0-dmac.yaml
+++ b/dts/bindings/arm/atmel,sam0-dmac.yaml
@@ -11,7 +11,7 @@ properties:
       constraint: "atmel,sam0-dmac"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/arm/atmel,sam0-sercom.yaml b/dts/bindings/arm/atmel,sam0-sercom.yaml
index c17a2b2594a4..1d93f582bebc 100644
--- a/dts/bindings/arm/atmel,sam0-sercom.yaml
+++ b/dts/bindings/arm/atmel,sam0-sercom.yaml
@@ -11,7 +11,7 @@ properties:
       constraint: "atmel,sam0-sercom"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/arm/nordic,nrf-dppic.yaml b/dts/bindings/arm/nordic,nrf-dppic.yaml
index 5641f2f12439..3cf14c312a07 100644
--- a/dts/bindings/arm/nordic,nrf-dppic.yaml
+++ b/dts/bindings/arm/nordic,nrf-dppic.yaml
@@ -18,4 +18,4 @@ properties:
       constraint: "nordic,nrf-dppic"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/arm/nordic,nrf-ficr.yaml b/dts/bindings/arm/nordic,nrf-ficr.yaml
index 4473abde5248..3b1e86114a2b 100644
--- a/dts/bindings/arm/nordic,nrf-ficr.yaml
+++ b/dts/bindings/arm/nordic,nrf-ficr.yaml
@@ -11,4 +11,4 @@ properties:
       constraint: "nordic,nrf-ficr"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/arm/nordic,nrf-spu.yaml b/dts/bindings/arm/nordic,nrf-spu.yaml
index b72671de24f0..c81fb4f9e645 100644
--- a/dts/bindings/arm/nordic,nrf-spu.yaml
+++ b/dts/bindings/arm/nordic,nrf-spu.yaml
@@ -11,7 +11,7 @@ properties:
       constraint: "nordic,nrf-spu"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/arm/nordic,nrf-uicr.yaml b/dts/bindings/arm/nordic,nrf-uicr.yaml
index ac0a267bd9bf..bdd4a3eac58a 100644
--- a/dts/bindings/arm/nordic,nrf-uicr.yaml
+++ b/dts/bindings/arm/nordic,nrf-uicr.yaml
@@ -11,4 +11,4 @@ properties:
       constraint: "nordic,nrf-uicr"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/arm/nxp,imx-dtcm.yaml b/dts/bindings/arm/nxp,imx-dtcm.yaml
index e68dce1096f7..68afe9eea775 100644
--- a/dts/bindings/arm/nxp,imx-dtcm.yaml
+++ b/dts/bindings/arm/nxp,imx-dtcm.yaml
@@ -17,4 +17,4 @@ properties:
       constraint: "nxp,imx-dtcm"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/arm/nxp,imx-epit.yaml b/dts/bindings/arm/nxp,imx-epit.yaml
index b874d507d010..4cf851c00816 100644
--- a/dts/bindings/arm/nxp,imx-epit.yaml
+++ b/dts/bindings/arm/nxp,imx-epit.yaml
@@ -17,20 +17,20 @@ properties:
       constraint: "nxp,imx-epit"
 
   reg:
-      category: required
+      required: true
 
   interrupts:
-      category: required
+      required: true
 
   label:
-      category: required
+      required: true
 
   prescaler:
      type: int
-     category: required
+     required: true
      description: Set the EPIT prescaler between 0 and 4095
 
   rdc:
      type: int
-     category: required
+     required: true
      description: Set the RDC permission for this peripheral
diff --git a/dts/bindings/arm/nxp,imx-itcm.yaml b/dts/bindings/arm/nxp,imx-itcm.yaml
index 24ac39dae202..0ee00289f421 100644
--- a/dts/bindings/arm/nxp,imx-itcm.yaml
+++ b/dts/bindings/arm/nxp,imx-itcm.yaml
@@ -17,4 +17,4 @@ properties:
       constraint: "nxp,imx-itcm"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/arm/nxp,imx-mu.yaml b/dts/bindings/arm/nxp,imx-mu.yaml
index 108fadac0388..dcb766439eac 100644
--- a/dts/bindings/arm/nxp,imx-mu.yaml
+++ b/dts/bindings/arm/nxp,imx-mu.yaml
@@ -17,15 +17,15 @@ properties:
       constraint: "nxp,imx-mu"
 
   reg:
-      category: required
+      required: true
 
   interrupts:
-      category: required
+      required: true
 
   label:
-      category: required
+      required: true
 
   rdc:
      type: int
-     category: required
+     required: true
      description: Set the RDC permission for this peripheral
diff --git a/dts/bindings/arm/nxp,kinetis-mcg.yaml b/dts/bindings/arm/nxp,kinetis-mcg.yaml
index 106d6643dea9..cdaba8d2c043 100644
--- a/dts/bindings/arm/nxp,kinetis-mcg.yaml
+++ b/dts/bindings/arm/nxp,kinetis-mcg.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "nxp,kinetis-mcg"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     "#clock-cells":
       const: 1
diff --git a/dts/bindings/arm/nxp,kinetis-pcc.yaml b/dts/bindings/arm/nxp,kinetis-pcc.yaml
index d1d6c62c7006..9142828d58f3 100644
--- a/dts/bindings/arm/nxp,kinetis-pcc.yaml
+++ b/dts/bindings/arm/nxp,kinetis-pcc.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "nxp,kinetis-pcc"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     "#clock-cells":
       const: 1
diff --git a/dts/bindings/arm/nxp,kinetis-scg.yaml b/dts/bindings/arm/nxp,kinetis-scg.yaml
index 91a522344abd..69fd603b9730 100644
--- a/dts/bindings/arm/nxp,kinetis-scg.yaml
+++ b/dts/bindings/arm/nxp,kinetis-scg.yaml
@@ -17,110 +17,110 @@ properties:
       constraint: "nxp,kinetis-scg"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     clk-divider-slow:
       type: int
       description: system clock to slow clock divider
-      category: required
+      required: true
 
     clk-divider-bus:
       type: int
       description: system clock to bus clock divider
-      category: required
+      required: true
 
     clk-divider-core:
       type: int
       description: system clock to core clock divider
-      category: required
+      required: true
 
     clk-source:
       type: int
       description: system clock source
-      category: optional
+      required: false
 
     sosc-freq:
       type: int
       description: system oscillator (e.g. xtal) frequency
-      category: optional
+      required: false
 
     sosc-mode:
       type: int
       description: system oscillator mode
-      category: optional
+      required: false
 
     sosc-divider-1:
       type: int
       description: system oscillator divider 1
-      category: optional
+      required: false
 
     sosc-divider-2:
       type: int
       description: system oscillator divider 2
-      category: optional
+      required: false
 
     sirc-range:
       type: int
       description: slow internal reference clock range in MHz
-      category: required
+      required: true
 
     sirc-divider-1:
       type: int
       description: slow internal reference clock divider 1
-      category: required
+      required: true
 
     sirc-divider-2:
       type: int
       description: slow internal reference clock divider 2
-      category: required
+      required: true
 
     firc-range:
       type: int
       description: fast internal reference clock range in MHz
-      category: required
+      required: true
 
     firc-divider-1:
       type: int
       description: fast internal reference clock divider 1
-      category: required
+      required: true
 
     firc-divider-2:
       type: int
       description: fast internal reference clock divider 2
-      category: required
+      required: true
 
     spll-source:
       type: int
       description: system phase-locked loop clock source
-      category: required
+      required: true
 
     spll-divider-pre:
       type: int
       description: system phase-locked loop reference clock divider
-      category: required
+      required: true
 
     spll-multiplier:
       type: int
       description: system phase-locked loop reference clock multiplier
-      category: required
+      required: true
 
     spll-divider-1:
       type: int
       description: system phase-locked loop divider 1
-      category: required
+      required: true
 
     spll-divider-2:
       type: int
       description: system phase-locked loop divider 2
-      category: required
+      required: true
 
     clkout-source:
       type: int
       description: clockout clock source
-      category: optional
+      required: false
 
     "#clock-cells":
       const: 1
diff --git a/dts/bindings/arm/nxp,kinetis-sim.yaml b/dts/bindings/arm/nxp,kinetis-sim.yaml
index 831c920eafc1..0085997dabd2 100644
--- a/dts/bindings/arm/nxp,kinetis-sim.yaml
+++ b/dts/bindings/arm/nxp,kinetis-sim.yaml
@@ -17,24 +17,24 @@ properties:
       constraint: "nxp,kinetis-sim"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     clkout-source:
       type: int
-      category: optional
+      required: false
       description: clkout clock source
 
     clkout-divider:
       type: int
-      category: optional
+      required: false
       description: clkout divider
 
     "#clock-cells":
       type: int
-      category: optional
+      required: false
       const: 3
 
 "#cells":
diff --git a/dts/bindings/arm/nxp,lpc-mailbox.yaml b/dts/bindings/arm/nxp,lpc-mailbox.yaml
index e3bb5890ec49..ceb9b03ecd1b 100644
--- a/dts/bindings/arm/nxp,lpc-mailbox.yaml
+++ b/dts/bindings/arm/nxp,lpc-mailbox.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "nxp,lpc-mailbox"
 
   reg:
-      category: required
+      required: true
 
   interrupts:
-      category: required
+      required: true
 
   label:
-      category: required
+      required: true
diff --git a/dts/bindings/arm/st,stm32-ccm.yaml b/dts/bindings/arm/st,stm32-ccm.yaml
index a36ee10fef38..01f1f4cc7d13 100644
--- a/dts/bindings/arm/st,stm32-ccm.yaml
+++ b/dts/bindings/arm/st,stm32-ccm.yaml
@@ -12,4 +12,4 @@ properties:
       constraint: "st,stm32-ccm"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/arm/ti,cc2650-prcm.yaml b/dts/bindings/arm/ti,cc2650-prcm.yaml
index a797186768e6..2e33fdf5739d 100644
--- a/dts/bindings/arm/ti,cc2650-prcm.yaml
+++ b/dts/bindings/arm/ti,cc2650-prcm.yaml
@@ -13,4 +13,4 @@ properties:
       constraint: "ti,cc2650-prcm"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/audio/st,mpxxdtyy-i2s.yaml b/dts/bindings/audio/st,mpxxdtyy-i2s.yaml
index e6a0c7806674..c410c1fc53a7 100644
--- a/dts/bindings/audio/st,mpxxdtyy-i2s.yaml
+++ b/dts/bindings/audio/st,mpxxdtyy-i2s.yaml
@@ -16,4 +16,4 @@ properties:
     compatible:
       constraint: "st,mpxxdtyy"
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/audio/ti,tlv320dac.yaml b/dts/bindings/audio/ti,tlv320dac.yaml
index 6172d5d29ff2..98acd78c8734 100644
--- a/dts/bindings/audio/ti,tlv320dac.yaml
+++ b/dts/bindings/audio/ti,tlv320dac.yaml
@@ -18,4 +18,4 @@ properties:
 
     reset-gpios:
       type: phandle-array
-      category: required
+      required: true
diff --git a/dts/bindings/base/base.yaml b/dts/bindings/base/base.yaml
index 7b457ed96cc9..4de38f971475 100644
--- a/dts/bindings/base/base.yaml
+++ b/dts/bindings/base/base.yaml
@@ -3,7 +3,7 @@
 properties:
     status:
         type: string
-        category: optional
+        required: false
         description: indicates the operational status of a device
         enum:
            - "okay"
@@ -14,55 +14,55 @@ properties:
 
     compatible:
         type: string-array
-        category: required
+        required: true
         description: compatible strings
 
     reg:
         type: array
         description: register space
-        category: optional
+        required: false
 
     reg-names:
         type: string-array
         description: name of each register space
-        category: optional
+        required: false
 
     interrupts:
         type: array
-        category: optional
+        required: false
         description: interrupts for device
 
     interrupts-extended:
         type: phandle-array
-        category: optional
+        required: false
         description: extended interrupt specifier for device
 
     interrupt-names:
         type: string-array
-        category: optional
+        required: false
         description: name of each interrupt
 
     interrupt-parent:
         type: phandle
-        category: optional
+        required: false
         description: phandle to interrupt controller node
 
     label:
         type: string
-        category: optional
+        required: false
         description: Human readable string describing the device (used by Zephyr for API name)
 
     clocks:
         type: phandle-array
-        category: optional
+        required: false
         description: Clock gate information
 
     "#address-cells":
         type: int
-        category: optional
+        required: false
         description: number of address cells in reg property
 
     "#size-cells":
         type: int
-        category: optional
+        required: false
         description: number of size cells in reg property
diff --git a/dts/bindings/bluetooth/zephyr,bt-hci-spi-slave.yaml b/dts/bindings/bluetooth/zephyr,bt-hci-spi-slave.yaml
index 8fad85a692cc..cd266b6eb9e0 100644
--- a/dts/bindings/bluetooth/zephyr,bt-hci-spi-slave.yaml
+++ b/dts/bindings/bluetooth/zephyr,bt-hci-spi-slave.yaml
@@ -22,4 +22,4 @@ properties:
 
     irq-gpios:
       type: phandle-array
-      category: required
+      required: true
diff --git a/dts/bindings/bluetooth/zephyr,bt-hci-spi.yaml b/dts/bindings/bluetooth/zephyr,bt-hci-spi.yaml
index 0f32ddde0ffc..9dbe23a12049 100644
--- a/dts/bindings/bluetooth/zephyr,bt-hci-spi.yaml
+++ b/dts/bindings/bluetooth/zephyr,bt-hci-spi.yaml
@@ -19,8 +19,8 @@ properties:
 
     irq-gpios:
       type: phandle-array
-      category: required
+      required: true
 
     reset-gpios:
       type: phandle-array
-      category: required
+      required: true
diff --git a/dts/bindings/can/can-controller.yaml b/dts/bindings/can/can-controller.yaml
index 89507f6d8de3..70bca41b9436 100644
--- a/dts/bindings/can/can-controller.yaml
+++ b/dts/bindings/can/can-controller.yaml
@@ -8,30 +8,30 @@ child:
 
 properties:
     "#address-cells":
-      category: required
+      required: true
       const: 1
     "#size-cells":
-      category: required
+      required: true
       const: 0
     label:
-      category: required
+      required: true
     bus-speed:
       type: int
-      category: required
+      required: true
       description: bus speed in Baud/s
     sjw:
       type: int
-      category: required
+      required: true
       description: Resynchronization jump width (ISO 11898-1)
     prop-seg:
       type: int
-      category: required
+      required: true
       description: Time quantums of propagation segment (ISO 11898-1)
     phase-seg1:
       type: int
-      category: required
+      required: true
       description: Time quantums of phase buffer 1 segment (ISO 11898-1)
     phase-seg2:
       type: int
-      category: required
+      required: true
       description: Time quantums of phase buffer 2 segment (ISO 11898-1)
diff --git a/dts/bindings/can/can-device.yaml b/dts/bindings/can/can-device.yaml
index 73b922b11262..4cafe1858095 100644
--- a/dts/bindings/can/can-device.yaml
+++ b/dts/bindings/can/can-device.yaml
@@ -17,6 +17,6 @@ parent:
 
 properties:
     reg:
-      category: required
+      required: true
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/can/microchip,mcp2515.yaml b/dts/bindings/can/microchip,mcp2515.yaml
index e0d6ca1fbcc6..c323201dd88a 100644
--- a/dts/bindings/can/microchip,mcp2515.yaml
+++ b/dts/bindings/can/microchip,mcp2515.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "microchip,mcp2515"
     int-gpios:
       type: phandle-array
-      category: required
+      required: true
     reg:
       type: array
-      category: required
+      required: true
diff --git a/dts/bindings/can/nxp,kinetis-flexcan.yaml b/dts/bindings/can/nxp,kinetis-flexcan.yaml
index 38f40475978a..a0041df46efd 100644
--- a/dts/bindings/can/nxp,kinetis-flexcan.yaml
+++ b/dts/bindings/can/nxp,kinetis-flexcan.yaml
@@ -17,15 +17,15 @@ properties:
       constraint: "nxp,kinetis-flexcan"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     clocks:
-      category: required
+      required: true
 
     clk-source:
       type: int
-      category: required
+      required: true
       description: CAN engine clock source
diff --git a/dts/bindings/can/st,stm32-can.yaml b/dts/bindings/can/st,stm32-can.yaml
index 523dbd26b9da..094862c5af8a 100644
--- a/dts/bindings/can/st,stm32-can.yaml
+++ b/dts/bindings/can/st,stm32-can.yaml
@@ -11,10 +11,10 @@ properties:
       constraint: "st,stm32-can"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     clocks:
-      category: required
+      required: true
diff --git a/dts/bindings/clock/clock-controller.yaml b/dts/bindings/clock/clock-controller.yaml
index 663397d1f68b..00659f51c1bd 100644
--- a/dts/bindings/clock/clock-controller.yaml
+++ b/dts/bindings/clock/clock-controller.yaml
@@ -9,5 +9,5 @@
 properties:
     "#clock-cells":
       type: int
-      category: required
+      required: true
       description: Number of items to expect in a Clock specifier
diff --git a/dts/bindings/clock/fixed-clock.yaml b/dts/bindings/clock/fixed-clock.yaml
index 1db7554ad730..d68d18197176 100644
--- a/dts/bindings/clock/fixed-clock.yaml
+++ b/dts/bindings/clock/fixed-clock.yaml
@@ -15,23 +15,23 @@ inherits:
 properties:
     compatible:
       type: string
-      category: required
+      required: true
       description: compatible strings
       constraint: "fixed-clock"
 
     label:
       type: string
-      category: optional
+      required: false
       description: Human readable string describing the device (used by Zephyr for API name)
 
     clock-frequency:
       type: int
       description: output clock frequency (Hz)
-      category: required
+      required: true
 
     clocks:
       type: array
-      category: optional
+      required: false
       description: input clock source
 
     "#clock-cells":
diff --git a/dts/bindings/clock/nordic,nrf-clock.yaml b/dts/bindings/clock/nordic,nrf-clock.yaml
index bc18f3cedf2e..c02e63b85265 100644
--- a/dts/bindings/clock/nordic,nrf-clock.yaml
+++ b/dts/bindings/clock/nordic,nrf-clock.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "nordic,nrf-clock"
 
     label:
-      category: required
+      required: true
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/clock/nxp,imx-ccm.yaml b/dts/bindings/clock/nxp,imx-ccm.yaml
index dd3f8e52d396..d6bba8cf0e93 100644
--- a/dts/bindings/clock/nxp,imx-ccm.yaml
+++ b/dts/bindings/clock/nxp,imx-ccm.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "nxp,imx-ccm"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     "#clock-cells":
       const: 3
diff --git a/dts/bindings/clock/st,stm32-rcc.yaml b/dts/bindings/clock/st,stm32-rcc.yaml
index 52cd93f7541e..fc07c9b1181d 100644
--- a/dts/bindings/clock/st,stm32-rcc.yaml
+++ b/dts/bindings/clock/st,stm32-rcc.yaml
@@ -11,7 +11,7 @@ properties:
       constraint: "st,stm32-rcc"
 
     reg:
-      category: required
+      required: true
 
     "#clock-cells":
       const: 2
diff --git a/dts/bindings/cpu/cpu.yaml b/dts/bindings/cpu/cpu.yaml
index c1e974985621..d072e4822921 100644
--- a/dts/bindings/cpu/cpu.yaml
+++ b/dts/bindings/cpu/cpu.yaml
@@ -12,5 +12,5 @@ inherits:
 properties:
     clock-frequency:
       type: int
-      category: optional
+      required: false
       description: Clock frequency in Hz
diff --git a/dts/bindings/crypto/arm,cryptocell-310.yaml b/dts/bindings/crypto/arm,cryptocell-310.yaml
index dda35d0abc6c..866c845b7821 100644
--- a/dts/bindings/crypto/arm,cryptocell-310.yaml
+++ b/dts/bindings/crypto/arm,cryptocell-310.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "arm,cryptocell-310"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/crypto/nordic,nrf-cc310.yaml b/dts/bindings/crypto/nordic,nrf-cc310.yaml
index 45ad3d9e9384..52e511c07ba9 100644
--- a/dts/bindings/crypto/nordic,nrf-cc310.yaml
+++ b/dts/bindings/crypto/nordic,nrf-cc310.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "nordic,nrf-cc310"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/display/fsl,imx6sx-lcdif.yaml b/dts/bindings/display/fsl,imx6sx-lcdif.yaml
index 414d3c32dbc4..d069a499c57c 100644
--- a/dts/bindings/display/fsl,imx6sx-lcdif.yaml
+++ b/dts/bindings/display/fsl,imx6sx-lcdif.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "fsl,imx6sx-lcdif"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/display/ilitek,ili9340.yaml b/dts/bindings/display/ilitek,ili9340.yaml
index e16053ac9b34..d7244a54ba73 100644
--- a/dts/bindings/display/ilitek,ili9340.yaml
+++ b/dts/bindings/display/ilitek,ili9340.yaml
@@ -18,8 +18,8 @@ properties:
 
     reset-gpios:
       type: phandle-array
-      category: optional
+      required: false
 
     cmd-data-gpios:
       type: phandle-array
-      category: required
+      required: true
diff --git a/dts/bindings/display/sitronix,st7789v.yaml b/dts/bindings/display/sitronix,st7789v.yaml
index b2507ba5eb33..951ef34548fe 100644
--- a/dts/bindings/display/sitronix,st7789v.yaml
+++ b/dts/bindings/display/sitronix,st7789v.yaml
@@ -18,28 +18,28 @@ properties:
 
     reset-gpios:
       type: phandle-array
-      category: required
+      required: true
 
     cmd-data-gpios:
       type: phandle-array
-      category: required
+      required: true
 
     height:
       type: int
-      category: required
+      required: true
       description: Height in pixels of the panel driven by the controller
 
     width:
       type: int
-      category: required
+      required: true
       description: Width in pixels of the panel driven by the controller
 
     x-offset:
       type: int
-      category: optional
+      required: false
       description: The column offset in pixels of the LCD to the controller memory
 
     y-offset:
       type: int
-      category: optional
+      required: false
       description: The row offset in pixels of the LCD to the controller memory
diff --git a/dts/bindings/display/solomon,ssd1306fb.yaml b/dts/bindings/display/solomon,ssd1306fb.yaml
index 02f322d42250..ce2431d3ed99 100644
--- a/dts/bindings/display/solomon,ssd1306fb.yaml
+++ b/dts/bindings/display/solomon,ssd1306fb.yaml
@@ -18,44 +18,44 @@ properties:
 
     height:
       type: int
-      category: required
+      required: true
       description: Height in pixel of the panel driven by the controller
 
     width:
       type: int
-      category: required
+      required: true
       description: Width in pixel of the panel driven by the controller
 
     segment-offset:
       type: int
-      category: required
+      required: true
       description: 8-bit column start address for Page Addressing Mode
 
     page-offset:
       type: int
-      category: required
+      required: true
       description: Start address for Page Addressing Mode
 
     display-offset:
       type: int
-      category: required
+      required: true
       description: mapping of the display start line to one of COM0 .. COM63
 
     segment-remap:
       type: boolean
-      category: optional
+      required: false
       description: Last column address is mapped to first segment
 
     com-invdir:
       type: boolean
-      category: optional
+      required: false
       description: Scan direction is from last COM output to first COM output
 
     prechargep:
       type: int
-      category: required
+      required: true
       description: Duration of the pre-charge period
 
     reset-gpios:
       type: phandle-array
-      category: optional
+      required: false
diff --git a/dts/bindings/display/solomon,ssd1673fb.yaml b/dts/bindings/display/solomon,ssd1673fb.yaml
index 31f1a23ab19d..47a67022ce29 100644
--- a/dts/bindings/display/solomon,ssd1673fb.yaml
+++ b/dts/bindings/display/solomon,ssd1673fb.yaml
@@ -18,77 +18,77 @@ properties:
 
     height:
       type: int
-      category: required
+      required: true
       description: Height in pixel of the panel driven by the controller
 
     width:
       type: int
-      category: required
+      required: true
       description: Width in pixel of the panel driven by the controller
 
     pp-height-bits:
       type: int
-      category: required
+      required: true
       description: Number of bits used for the height parameters
 
     pp-width-bits:
       type: int
-      category: required
+      required: true
       description: Number of bits used for the width parameters
 
     gdv-a:
       type: int
-      category: required
+      required: true
       description: Gate driving voltage (A value)
 
     gdv-b:
       type: int
-      category: optional
+      required: false
       description: Gate driving voltage (B value)
 
     sdv:
       type: int
-      category: required
+      required: true
       description: Source driving voltage
 
     vcom:
       type: int
-      category: required
+      required: true
       description: VCOM voltage
 
     border-waveform:
       type: int
-      category: required
+      required: true
       description: Border waveform
 
     softstart-1:
       type: int
-      category: optional
+      required: false
       description: Booster soft start phase 1
 
     softstart-2:
       type: int
-      category: optional
+      required: false
       description: Booster soft start phase 2
 
     softstart-3:
       type: int
-      category: optional
+      required: false
       description: Booster soft start phase 3
 
     orientation-flipped:
       type: boolean
-      category: optional
+      required: false
       description: Last column address is mapped to first segment
 
     reset-gpios:
       type: phandle-array
-      category: required
+      required: true
 
     dc-gpios:
       type: phandle-array
-      category: required
+      required: true
 
     busy-gpios:
       type: phandle-array
-      category: required
+      required: true
diff --git a/dts/bindings/espi/espi-controller.yaml b/dts/bindings/espi/espi-controller.yaml
index 92fed785fb34..b99b1bc17b6f 100644
--- a/dts/bindings/espi/espi-controller.yaml
+++ b/dts/bindings/espi/espi-controller.yaml
@@ -12,4 +12,4 @@ child:
 
 properties:
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/espi/microchip,xec-espi.yaml b/dts/bindings/espi/microchip,xec-espi.yaml
index 98cbb9de1b97..89c41e64a716 100644
--- a/dts/bindings/espi/microchip,xec-espi.yaml
+++ b/dts/bindings/espi/microchip,xec-espi.yaml
@@ -16,34 +16,34 @@ properties:
 
     reg:
       description: mmio register space
-      category: required
+      required: true
 
     agg_io_irq:
       type: int
       description: soc aggregated nvic irq for eSPI block
-      category: required
+      required: true
 
     agg_vw_irq:
       type: int
       description: soc aggregated nvic irq for eSPI virtual wires channel
-      category: required
+      required: true
 
     agg_pc_irq:
       type: int
       description: soc aggregated nvic irq for eSPI peripheral channel
-      category: required
+      required: true
 
     io_girq:
       type: int
       description: soc group irq for eSPI I/O
-      category: required
+      required: true
 
     vw_girq:
       type: int
       description: soc group irq for eSPI virtual wires channel
-      category: required
+      required: true
 
     pc_girq:
       type: int
       description: soc group irq for eSPI peripheral channel
-      category: required
+      required: true
diff --git a/dts/bindings/ethernet/ethernet.yaml b/dts/bindings/ethernet/ethernet.yaml
index f240ab6dd8c2..bea9e5a83bd6 100644
--- a/dts/bindings/ethernet/ethernet.yaml
+++ b/dts/bindings/ethernet/ethernet.yaml
@@ -12,7 +12,7 @@ inherits:
 properties:
     local-mac-address:
       type: uint8-array
-      category: optional
+      required: false
       description: mac address
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/ethernet/intel,e1000.yaml b/dts/bindings/ethernet/intel,e1000.yaml
index 28a918a0a687..35b0396f05f4 100644
--- a/dts/bindings/ethernet/intel,e1000.yaml
+++ b/dts/bindings/ethernet/intel,e1000.yaml
@@ -16,7 +16,7 @@ properties:
       constraint: "intel,e1000"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/ethernet/litex,eth0.yaml b/dts/bindings/ethernet/litex,eth0.yaml
index 62bc06ecb90f..3b0620fab3e7 100644
--- a/dts/bindings/ethernet/litex,eth0.yaml
+++ b/dts/bindings/ethernet/litex,eth0.yaml
@@ -17,7 +17,7 @@ properties:
         constraint: "litex,eth0"
 
     reg:
-        category: required
+        required: true
 
     interrupts:
-        category: required
+        required: true
diff --git a/dts/bindings/ethernet/microchip,enc28j60.yaml b/dts/bindings/ethernet/microchip,enc28j60.yaml
index 097112708dbf..07e8b61eb3ae 100644
--- a/dts/bindings/ethernet/microchip,enc28j60.yaml
+++ b/dts/bindings/ethernet/microchip,enc28j60.yaml
@@ -16,4 +16,4 @@ properties:
       constraint: "microchip,enc28j60"
     int-gpios:
       type: phandle-array
-      category: required
+      required: true
diff --git a/dts/bindings/ethernet/nxp,kinetis-ethernet.yaml b/dts/bindings/ethernet/nxp,kinetis-ethernet.yaml
index 3e0690f973d5..aff8b02f169c 100644
--- a/dts/bindings/ethernet/nxp,kinetis-ethernet.yaml
+++ b/dts/bindings/ethernet/nxp,kinetis-ethernet.yaml
@@ -15,6 +15,6 @@ properties:
     compatible:
       constraint: "nxp,kinetis-ethernet"
     reg:
-      category: required
+      required: true
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/ethernet/nxp.kinetis-ptp.yaml b/dts/bindings/ethernet/nxp.kinetis-ptp.yaml
index e8d1ac2ee441..950fdd99ff88 100644
--- a/dts/bindings/ethernet/nxp.kinetis-ptp.yaml
+++ b/dts/bindings/ethernet/nxp.kinetis-ptp.yaml
@@ -16,4 +16,4 @@ properties:
     compatible:
       constraint: "nxp,kinetis-ptp"
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/ethernet/smsc,lan9220.yaml b/dts/bindings/ethernet/smsc,lan9220.yaml
index cf829172ad58..3609fbf0399c 100644
--- a/dts/bindings/ethernet/smsc,lan9220.yaml
+++ b/dts/bindings/ethernet/smsc,lan9220.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "smsc,lan9220"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/ethernet/ti,stellaris-ethernet.yaml b/dts/bindings/ethernet/ti,stellaris-ethernet.yaml
index 9457a643e271..2ba22399e083 100644
--- a/dts/bindings/ethernet/ti,stellaris-ethernet.yaml
+++ b/dts/bindings/ethernet/ti,stellaris-ethernet.yaml
@@ -15,6 +15,6 @@ properties:
     compatible:
       constraint: "ti,stellaris-ethernet"
     reg:
-      category: required
+      required: true
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/flash_controller/atmel,sam-flash-controller.yaml b/dts/bindings/flash_controller/atmel,sam-flash-controller.yaml
index 53f7da5a2099..95da2df82825 100644
--- a/dts/bindings/flash_controller/atmel,sam-flash-controller.yaml
+++ b/dts/bindings/flash_controller/atmel,sam-flash-controller.yaml
@@ -19,4 +19,4 @@ properties:
     peripheral-id:
       type: int
       description: peripheral ID
-      category: required
+      required: true
diff --git a/dts/bindings/flash_controller/flash-controller.yaml b/dts/bindings/flash_controller/flash-controller.yaml
index 56de2040c0d3..a4598fc67efb 100644
--- a/dts/bindings/flash_controller/flash-controller.yaml
+++ b/dts/bindings/flash_controller/flash-controller.yaml
@@ -5,7 +5,7 @@ inherits:
 
 properties:
     label:
-      category: required
+      required: true
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/flash_controller/st,stm32wb-flash-controller.yaml b/dts/bindings/flash_controller/st,stm32wb-flash-controller.yaml
index ea6cd69464d7..242e2d5e0865 100644
--- a/dts/bindings/flash_controller/st,stm32wb-flash-controller.yaml
+++ b/dts/bindings/flash_controller/st,stm32wb-flash-controller.yaml
@@ -13,9 +13,9 @@ properties:
     single-bank:
       type: boolean
       description: dual-bank mode not enabled (page erase 4096k)
-      category: optional
+      required: false
 
     dual-bank:
       type: boolean
       description: dual-bank mode enabled (page erase 2048k)
-      category: optional
+      required: false
diff --git a/dts/bindings/flash_controller/zephyr,sim-flash.yaml b/dts/bindings/flash_controller/zephyr,sim-flash.yaml
index 4406c708d8f6..f3f7a24b85e1 100644
--- a/dts/bindings/flash_controller/zephyr,sim-flash.yaml
+++ b/dts/bindings/flash_controller/zephyr,sim-flash.yaml
@@ -13,4 +13,4 @@ properties:
       constraint: "zephyr,sim-flash"
 
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/gpio/arm,cmsdk-gpio.yaml b/dts/bindings/gpio/arm,cmsdk-gpio.yaml
index e19a50bdd3b5..24fc02e15335 100644
--- a/dts/bindings/gpio/arm,cmsdk-gpio.yaml
+++ b/dts/bindings/gpio/arm,cmsdk-gpio.yaml
@@ -11,10 +11,10 @@ properties:
       constraint: "arm,cmsdk-gpio"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     "#gpio-cells":
       const: 2
diff --git a/dts/bindings/gpio/atmel,sam-gpio.yaml b/dts/bindings/gpio/atmel,sam-gpio.yaml
index d3dedc7c1b86..b188e224595e 100644
--- a/dts/bindings/gpio/atmel,sam-gpio.yaml
+++ b/dts/bindings/gpio/atmel,sam-gpio.yaml
@@ -11,18 +11,18 @@ properties:
       constraint: "atmel,sam-gpio"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     peripheral-id:
       type: int
       description: peripheral ID
-      category: required
+      required: true
 
     "#gpio-cells":
       const: 2
diff --git a/dts/bindings/gpio/atmel,sam0-gpio.yaml b/dts/bindings/gpio/atmel,sam0-gpio.yaml
index 5adbdb249532..6b7b09c6b7af 100644
--- a/dts/bindings/gpio/atmel,sam0-gpio.yaml
+++ b/dts/bindings/gpio/atmel,sam0-gpio.yaml
@@ -11,10 +11,10 @@ properties:
       constraint: "atmel,sam0-gpio"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     "#gpio-cells":
       const: 2
diff --git a/dts/bindings/gpio/gpio-controller.yaml b/dts/bindings/gpio/gpio-controller.yaml
index 6708fa4b0a23..571667ba62fd 100644
--- a/dts/bindings/gpio/gpio-controller.yaml
+++ b/dts/bindings/gpio/gpio-controller.yaml
@@ -9,9 +9,9 @@
 properties:
     "gpio-controller":
       type: boolean
-      category: required
+      required: true
       description: Convey's this node is a GPIO controller
     "#gpio-cells":
       type: int
-      category: required
+      required: true
       description: Number of items to expect in a GPIO specifier
diff --git a/dts/bindings/gpio/gpio-keys.yaml b/dts/bindings/gpio/gpio-keys.yaml
index b6cbfc480940..308986c3cf4d 100644
--- a/dts/bindings/gpio/gpio-keys.yaml
+++ b/dts/bindings/gpio/gpio-keys.yaml
@@ -13,15 +13,15 @@ properties:
     compatible:
       constraint: "gpio-keys"
       type: string-array
-      category: required
+      required: true
       description: compatible strings
 
 sub-node:
     properties:
        gpios:
           type: phandle-array
-          category: required
+          required: true
        label:
-          category: required
+          required: true
           type: string
           description: Human readable string describing the device (used by Zephyr for API name)
diff --git a/dts/bindings/gpio/gpio-leds.yaml b/dts/bindings/gpio/gpio-leds.yaml
index 74719abd82fc..4718582073ef 100644
--- a/dts/bindings/gpio/gpio-leds.yaml
+++ b/dts/bindings/gpio/gpio-leds.yaml
@@ -13,15 +13,15 @@ properties:
     compatible:
       constraint: "gpio-leds"
       type: string-array
-      category: required
+      required: true
       description: compatible strings
 
 sub-node:
     properties:
        gpios:
           type: phandle-array
-          category: required
+          required: true
        label:
-          category: required
+          required: true
           type: string
           description: Human readable string describing the device (used by Zephyr for API name)
diff --git a/dts/bindings/gpio/gpio-nexus.yaml b/dts/bindings/gpio/gpio-nexus.yaml
index 9c1e99946d23..f59d2c4b5526 100644
--- a/dts/bindings/gpio/gpio-nexus.yaml
+++ b/dts/bindings/gpio/gpio-nexus.yaml
@@ -9,17 +9,17 @@
 properties:
     gpio-map:
       type: compound
-      category: required
+      required: true
 
     gpio-map-mask:
       type: compound
-      category: optional
+      required: false
 
     gpio-map-pass-thru:
       type: compound
-      category: optional
+      required: false
 
     "#gpio-cells":
       type: int
-      category: required
+      required: true
       description: Number of items to expect in a GPIO specifier
diff --git a/dts/bindings/gpio/holtek,ht16k33-keyscan.yaml b/dts/bindings/gpio/holtek,ht16k33-keyscan.yaml
index 63ead89d55be..d40f4b9158d8 100644
--- a/dts/bindings/gpio/holtek,ht16k33-keyscan.yaml
+++ b/dts/bindings/gpio/holtek,ht16k33-keyscan.yaml
@@ -12,9 +12,9 @@ properties:
     compatible:
       constraint: "holtek,ht16k33-keyscan"
     reg:
-      category: required
+      required: true
     label:
-      category: required
+      required: true
 
 "#cells":
   - pin
diff --git a/dts/bindings/gpio/intel,apl-gpio.yaml b/dts/bindings/gpio/intel,apl-gpio.yaml
index 4eebcad3c501..0a2746ff140f 100644
--- a/dts/bindings/gpio/intel,apl-gpio.yaml
+++ b/dts/bindings/gpio/intel,apl-gpio.yaml
@@ -17,13 +17,13 @@ properties:
       constraint: "intel,apl-gpio"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     "#gpio-cells":
       const: 2
diff --git a/dts/bindings/gpio/intel,qmsi-gpio.yaml b/dts/bindings/gpio/intel,qmsi-gpio.yaml
index c7a4105b1b10..e0642ceff95d 100644
--- a/dts/bindings/gpio/intel,qmsi-gpio.yaml
+++ b/dts/bindings/gpio/intel,qmsi-gpio.yaml
@@ -17,13 +17,13 @@ properties:
       constraint: "intel,qmsi-gpio"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     "#gpio-cells":
       const: 2
diff --git a/dts/bindings/gpio/intel,qmsi-ss-gpio.yaml b/dts/bindings/gpio/intel,qmsi-ss-gpio.yaml
index cdf2fd577249..86b95520ec09 100644
--- a/dts/bindings/gpio/intel,qmsi-ss-gpio.yaml
+++ b/dts/bindings/gpio/intel,qmsi-ss-gpio.yaml
@@ -17,13 +17,13 @@ properties:
       constraint: "intel,qmsi-ss-gpio"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     "#gpio-cells":
       const: 2
diff --git a/dts/bindings/gpio/microchip,xec-gpio.yaml b/dts/bindings/gpio/microchip,xec-gpio.yaml
index a85e8a1bc435..cc38f4b2dfe0 100644
--- a/dts/bindings/gpio/microchip,xec-gpio.yaml
+++ b/dts/bindings/gpio/microchip,xec-gpio.yaml
@@ -18,13 +18,13 @@ properties:
       constraint: "microchip,xec-gpio"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: optional
+      required: false
 
     label:
-      category: required
+      required: true
 
     "#gpio-cells":
       const: 2
diff --git a/dts/bindings/gpio/nordic,nrf-gpio.yaml b/dts/bindings/gpio/nordic,nrf-gpio.yaml
index 60dde67c1b93..c194d8188fb2 100644
--- a/dts/bindings/gpio/nordic,nrf-gpio.yaml
+++ b/dts/bindings/gpio/nordic,nrf-gpio.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "nordic,nrf-gpio"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     "#gpio-cells":
       const: 2
diff --git a/dts/bindings/gpio/nordic,nrf-gpiote.yaml b/dts/bindings/gpio/nordic,nrf-gpiote.yaml
index 7108e9049ea6..ad1db98e833b 100644
--- a/dts/bindings/gpio/nordic,nrf-gpiote.yaml
+++ b/dts/bindings/gpio/nordic,nrf-gpiote.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "nordic,nrf-gpiote"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/gpio/nxp,imx-gpio.yaml b/dts/bindings/gpio/nxp,imx-gpio.yaml
index 65a6e178ffbf..834ea9894071 100644
--- a/dts/bindings/gpio/nxp,imx-gpio.yaml
+++ b/dts/bindings/gpio/nxp,imx-gpio.yaml
@@ -17,17 +17,17 @@ properties:
       constraint: "nxp,imx-gpio"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     rdc:
      type: int
-     category: optional
+     required: false
      description: Set the RDC permission for this peripheral
 
     "#gpio-cells":
diff --git a/dts/bindings/gpio/nxp,kinetis-gpio.yaml b/dts/bindings/gpio/nxp,kinetis-gpio.yaml
index 29b9ce9b84ae..8949cee16acf 100644
--- a/dts/bindings/gpio/nxp,kinetis-gpio.yaml
+++ b/dts/bindings/gpio/nxp,kinetis-gpio.yaml
@@ -11,10 +11,10 @@ properties:
       constraint: "nxp,kinetis-gpio"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     "#gpio-cells":
       const: 2
diff --git a/dts/bindings/gpio/openisa,rv32m1-gpio.yaml b/dts/bindings/gpio/openisa,rv32m1-gpio.yaml
index ed10ada3452a..d54a56d23806 100644
--- a/dts/bindings/gpio/openisa,rv32m1-gpio.yaml
+++ b/dts/bindings/gpio/openisa,rv32m1-gpio.yaml
@@ -11,13 +11,13 @@ properties:
       constraint: "openisa,rv32m1-gpio"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     "#gpio-cells":
       const: 2
diff --git a/dts/bindings/gpio/semtech,sx1509b-gpio.yaml b/dts/bindings/gpio/semtech,sx1509b-gpio.yaml
index 117e2abc4086..d0e11af1f6d0 100644
--- a/dts/bindings/gpio/semtech,sx1509b-gpio.yaml
+++ b/dts/bindings/gpio/semtech,sx1509b-gpio.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "semtech,sx1509b"
 
     label:
-      category: required
+      required: true
 
     "#gpio-cells":
       const: 2
diff --git a/dts/bindings/gpio/sifive,gpio0.yaml b/dts/bindings/gpio/sifive,gpio0.yaml
index 98bd522b6083..489fac26a4be 100644
--- a/dts/bindings/gpio/sifive,gpio0.yaml
+++ b/dts/bindings/gpio/sifive,gpio0.yaml
@@ -17,13 +17,13 @@ properties:
       constraint: "sifive,gpio0"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     "#gpio-cells":
       const: 2
diff --git a/dts/bindings/gpio/silabs,efm32-gpio-port.yaml b/dts/bindings/gpio/silabs,efm32-gpio-port.yaml
index e7afe2bf7c21..e22e1373edc1 100644
--- a/dts/bindings/gpio/silabs,efm32-gpio-port.yaml
+++ b/dts/bindings/gpio/silabs,efm32-gpio-port.yaml
@@ -11,10 +11,10 @@ properties:
       constraint: "silabs,efm32-gpio-port"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     "#gpio-cells":
       const: 2
diff --git a/dts/bindings/gpio/silabs,efm32-gpio.yaml b/dts/bindings/gpio/silabs,efm32-gpio.yaml
index 5bd5bbd41414..ec9a4bdeec83 100644
--- a/dts/bindings/gpio/silabs,efm32-gpio.yaml
+++ b/dts/bindings/gpio/silabs,efm32-gpio.yaml
@@ -11,15 +11,15 @@ properties:
       constraint: "silabs,efm32-gpio"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     location-swo:
       type: int
-      category: optional
+      required: false
       description: Serial Wire Output (SWO) PIN location
diff --git a/dts/bindings/gpio/silabs,efr32mg12-gpio-port.yaml b/dts/bindings/gpio/silabs,efr32mg12-gpio-port.yaml
index d5883bc35a15..c8b4848d1810 100644
--- a/dts/bindings/gpio/silabs,efr32mg12-gpio-port.yaml
+++ b/dts/bindings/gpio/silabs,efr32mg12-gpio-port.yaml
@@ -11,10 +11,10 @@ properties:
       constraint: "silabs,efr32mg-gpio-port"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     "#gpio-cells":
       const: 2
diff --git a/dts/bindings/gpio/silabs,efr32mg12-gpio.yaml b/dts/bindings/gpio/silabs,efr32mg12-gpio.yaml
index 97b12a2937c9..5d1f4056af45 100644
--- a/dts/bindings/gpio/silabs,efr32mg12-gpio.yaml
+++ b/dts/bindings/gpio/silabs,efr32mg12-gpio.yaml
@@ -11,15 +11,15 @@ properties:
       constraint: "silabs,efr32mg-gpio"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     location-swo:
       type: int
-      category: optional
+      required: false
       description: Serial Wire Output (SWO) PIN location
diff --git a/dts/bindings/gpio/silabs,efr32xg1-gpio-port.yaml b/dts/bindings/gpio/silabs,efr32xg1-gpio-port.yaml
index 40875301e489..33fbc020ea54 100644
--- a/dts/bindings/gpio/silabs,efr32xg1-gpio-port.yaml
+++ b/dts/bindings/gpio/silabs,efr32xg1-gpio-port.yaml
@@ -11,10 +11,10 @@ properties:
       constraint: "silabs,efr32xg1-gpio-port"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     "#gpio-cells":
       const: 2
diff --git a/dts/bindings/gpio/silabs,efr32xg1-gpio.yaml b/dts/bindings/gpio/silabs,efr32xg1-gpio.yaml
index 71174b742ae9..ac038deadbc2 100644
--- a/dts/bindings/gpio/silabs,efr32xg1-gpio.yaml
+++ b/dts/bindings/gpio/silabs,efr32xg1-gpio.yaml
@@ -11,15 +11,15 @@ properties:
       constraint: "silabs,efr32xg1-gpio"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     location-swo:
       type: int
-      category: optional
+      required: false
       description: Serial Wire Output (SWO) PIN location
diff --git a/dts/bindings/gpio/snps,designware-gpio.yaml b/dts/bindings/gpio/snps,designware-gpio.yaml
index eed8462a4bc0..c8dac1e5eb5f 100644
--- a/dts/bindings/gpio/snps,designware-gpio.yaml
+++ b/dts/bindings/gpio/snps,designware-gpio.yaml
@@ -17,18 +17,18 @@ properties:
       constraint: "snps,designware-gpio"
 
     reg:
-      category: required
+      required: true
 
     bits:
       type: int
       description: gpio bits
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     "#gpio-cells":
       const: 2
diff --git a/dts/bindings/gpio/st,stm32-gpio.yaml b/dts/bindings/gpio/st,stm32-gpio.yaml
index 59d8a4342250..f3c7f7f02b54 100644
--- a/dts/bindings/gpio/st,stm32-gpio.yaml
+++ b/dts/bindings/gpio/st,stm32-gpio.yaml
@@ -17,13 +17,13 @@ properties:
       constraint: "st,stm32-gpio"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     clocks:
-      category: required
+      required: true
 
     "#gpio-cells":
       const: 2
diff --git a/dts/bindings/gpio/ti,cc13xx-cc26xx-gpio.yaml b/dts/bindings/gpio/ti,cc13xx-cc26xx-gpio.yaml
index 6596459332b6..e7e1dba1aa1a 100644
--- a/dts/bindings/gpio/ti,cc13xx-cc26xx-gpio.yaml
+++ b/dts/bindings/gpio/ti,cc13xx-cc26xx-gpio.yaml
@@ -17,13 +17,13 @@ properties:
       constraint: "ti,cc13xx-cc26xx-gpio"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     "#gpio-cells":
       const: 2
diff --git a/dts/bindings/gpio/ti,cc2650-gpio.yaml b/dts/bindings/gpio/ti,cc2650-gpio.yaml
index 899509ec8cff..406d8222b3e4 100644
--- a/dts/bindings/gpio/ti,cc2650-gpio.yaml
+++ b/dts/bindings/gpio/ti,cc2650-gpio.yaml
@@ -12,7 +12,7 @@ properties:
       constraint: "ti,cc2650-gpio"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/gpio/ti,cc32xx-gpio.yaml b/dts/bindings/gpio/ti,cc32xx-gpio.yaml
index 5be87e461edb..14c55fed8678 100644
--- a/dts/bindings/gpio/ti,cc32xx-gpio.yaml
+++ b/dts/bindings/gpio/ti,cc32xx-gpio.yaml
@@ -12,13 +12,13 @@ properties:
       constraint: "ti,cc32xx-gpio"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     "#gpio-cells":
       const: 2
diff --git a/dts/bindings/gpio/ti,stellaris-gpio.yaml b/dts/bindings/gpio/ti,stellaris-gpio.yaml
index 6e1f0a1172c3..0f1144bab9b3 100644
--- a/dts/bindings/gpio/ti,stellaris-gpio.yaml
+++ b/dts/bindings/gpio/ti,stellaris-gpio.yaml
@@ -12,13 +12,13 @@ properties:
       constraint: "ti,stellaris-gpio"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     "#gpio-cells":
       const: 2
diff --git a/dts/bindings/i2c/arm,versatile-i2c.yaml b/dts/bindings/i2c/arm,versatile-i2c.yaml
index b171c6edef6c..00eb41b96773 100644
--- a/dts/bindings/i2c/arm,versatile-i2c.yaml
+++ b/dts/bindings/i2c/arm,versatile-i2c.yaml
@@ -17,4 +17,4 @@ properties:
       constraint: "arm,versatile-i2c"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/i2c/atmel,sam-i2c-twi.yaml b/dts/bindings/i2c/atmel,sam-i2c-twi.yaml
index f39f4bcee0a1..ff36d05bbde7 100644
--- a/dts/bindings/i2c/atmel,sam-i2c-twi.yaml
+++ b/dts/bindings/i2c/atmel,sam-i2c-twi.yaml
@@ -17,12 +17,12 @@ properties:
       constraint: "atmel,sam-i2c-twi"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     peripheral-id:
       type: int
       description: peripheral ID
-      category: required
+      required: true
diff --git a/dts/bindings/i2c/atmel,sam-i2c-twihs.yaml b/dts/bindings/i2c/atmel,sam-i2c-twihs.yaml
index a082b0d9d954..ca776cf45791 100644
--- a/dts/bindings/i2c/atmel,sam-i2c-twihs.yaml
+++ b/dts/bindings/i2c/atmel,sam-i2c-twihs.yaml
@@ -17,12 +17,12 @@ properties:
       constraint: "atmel,sam-i2c-twihs"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     peripheral-id:
       type: int
       description: peripheral ID
-      category: required
+      required: true
diff --git a/dts/bindings/i2c/atmel,sam0-i2c.yaml b/dts/bindings/i2c/atmel,sam0-i2c.yaml
index 89a63fbb7e88..848ed184b8cc 100644
--- a/dts/bindings/i2c/atmel,sam0-i2c.yaml
+++ b/dts/bindings/i2c/atmel,sam0-i2c.yaml
@@ -17,12 +17,12 @@ properties:
       constraint: "atmel,sam0-i2c"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     dma:
       type: int
-      category: optional
+      required: false
       description: DMA channel
diff --git a/dts/bindings/i2c/fsl,imx7d-i2c.yaml b/dts/bindings/i2c/fsl,imx7d-i2c.yaml
index e62ca2457941..02b9b12de551 100644
--- a/dts/bindings/i2c/fsl,imx7d-i2c.yaml
+++ b/dts/bindings/i2c/fsl,imx7d-i2c.yaml
@@ -17,12 +17,12 @@ properties:
       constraint: "fsl,imx7d-i2c"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     rdc:
      type: int
-     category: required
+     required: true
      description: Set the RDC permission for this peripheral
diff --git a/dts/bindings/i2c/i2c-controller.yaml b/dts/bindings/i2c/i2c-controller.yaml
index 7bec9982d36c..b244d50f4650 100644
--- a/dts/bindings/i2c/i2c-controller.yaml
+++ b/dts/bindings/i2c/i2c-controller.yaml
@@ -14,14 +14,14 @@ child:
 
 properties:
     "#address-cells":
-      category: required
+      required: true
       const: 1
     "#size-cells":
-      category: required
+      required: true
       const: 0
     clock-frequency :
       type: int
-      category: optional
+      required: false
       description: Initial clock frequency in Hz
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/i2c/i2c-device.yaml b/dts/bindings/i2c/i2c-device.yaml
index 87f06687fbab..9568519c982f 100644
--- a/dts/bindings/i2c/i2c-device.yaml
+++ b/dts/bindings/i2c/i2c-device.yaml
@@ -14,6 +14,6 @@ parent:
 
 properties:
     reg:
-      category: required
+      required: true
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/i2c/intel,qmsi-i2c.yaml b/dts/bindings/i2c/intel,qmsi-i2c.yaml
index 121e4864972f..bd3ef3b91cad 100644
--- a/dts/bindings/i2c/intel,qmsi-i2c.yaml
+++ b/dts/bindings/i2c/intel,qmsi-i2c.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "intel,qmsi-i2c"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/i2c/intel,qmsi-ss-i2c.yaml b/dts/bindings/i2c/intel,qmsi-ss-i2c.yaml
index 143d7f4da426..9548be54b133 100644
--- a/dts/bindings/i2c/intel,qmsi-ss-i2c.yaml
+++ b/dts/bindings/i2c/intel,qmsi-ss-i2c.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "intel,qmsi-ss-i2c"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/i2c/microchip,xec-i2c.yaml b/dts/bindings/i2c/microchip,xec-i2c.yaml
index bc47810f67e9..c3e66254a3fe 100644
--- a/dts/bindings/i2c/microchip,xec-i2c.yaml
+++ b/dts/bindings/i2c/microchip,xec-i2c.yaml
@@ -17,9 +17,9 @@ properties:
       constraint: "microchip,xec-i2c"
 
     reg:
-      category: required
+      required: true
 
     port_sel:
       type: int
       description: soc block mapping to pin
-      category: required
+      required: true
diff --git a/dts/bindings/i2c/nios2,i2c.yaml b/dts/bindings/i2c/nios2,i2c.yaml
index f6f70a5e267e..933dcdb82c12 100644
--- a/dts/bindings/i2c/nios2,i2c.yaml
+++ b/dts/bindings/i2c/nios2,i2c.yaml
@@ -17,4 +17,4 @@ properties:
       constraint: "nios2,i2c"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/i2c/nordic,nrf-i2c.yaml b/dts/bindings/i2c/nordic,nrf-i2c.yaml
index ac5727bacb34..9519e0b53924 100644
--- a/dts/bindings/i2c/nordic,nrf-i2c.yaml
+++ b/dts/bindings/i2c/nordic,nrf-i2c.yaml
@@ -18,17 +18,17 @@ properties:
       constraint: "nordic,nrf-i2c"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     sda-pin:
       type: int
       description: SDA pin
-      category: required
+      required: true
 
     scl-pin:
       type: int
       description: SCL pin
-      category: required
+      required: true
diff --git a/dts/bindings/i2c/nxp,imx-lpi2c.yaml b/dts/bindings/i2c/nxp,imx-lpi2c.yaml
index f84375487ff1..3748913db508 100644
--- a/dts/bindings/i2c/nxp,imx-lpi2c.yaml
+++ b/dts/bindings/i2c/nxp,imx-lpi2c.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "nxp,imx-lpi2c"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/i2c/nxp,kinetis-i2c.yaml b/dts/bindings/i2c/nxp,kinetis-i2c.yaml
index 3b9bae88b97f..a4bd1cffe0d8 100644
--- a/dts/bindings/i2c/nxp,kinetis-i2c.yaml
+++ b/dts/bindings/i2c/nxp,kinetis-i2c.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "nxp,kinetis-i2c"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/i2c/openisa,rv32m1-lpi2c.yaml b/dts/bindings/i2c/openisa,rv32m1-lpi2c.yaml
index a2f67a03858a..44b246db9e47 100644
--- a/dts/bindings/i2c/openisa,rv32m1-lpi2c.yaml
+++ b/dts/bindings/i2c/openisa,rv32m1-lpi2c.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "openisa,rv32m1-lpi2c"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/i2c/sifive,i2c0.yaml b/dts/bindings/i2c/sifive,i2c0.yaml
index d196c4222d36..122afdcc81d6 100644
--- a/dts/bindings/i2c/sifive,i2c0.yaml
+++ b/dts/bindings/i2c/sifive,i2c0.yaml
@@ -18,8 +18,8 @@ properties:
 
     input-frequency:
       type: int
-      category: optional
+      required: false
       description: Frequency of the peripheral input clock.
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/i2c/silabs,gecko-i2c.yaml b/dts/bindings/i2c/silabs,gecko-i2c.yaml
index e128e090c5a5..8733b6c36786 100644
--- a/dts/bindings/i2c/silabs,gecko-i2c.yaml
+++ b/dts/bindings/i2c/silabs,gecko-i2c.yaml
@@ -17,20 +17,20 @@ properties:
       constraint: "silabs,gecko-i2c"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     # Note: Not all SoC series support setting individual pin location. If this
     # is a case all location-* properties need to have identical value.
 
     location-sda:
       type: array
-      category: required
+      required: true
       description: SDA pin configuration defined as <location port pin>
 
     location-scl:
       type: array
-      category: required
+      required: true
       description: SCL pin configuration defined as <location port pin>
diff --git a/dts/bindings/i2c/snps,designware-i2c.yaml b/dts/bindings/i2c/snps,designware-i2c.yaml
index 17dc505d1805..96b46c149ae4 100644
--- a/dts/bindings/i2c/snps,designware-i2c.yaml
+++ b/dts/bindings/i2c/snps,designware-i2c.yaml
@@ -17,12 +17,12 @@ properties:
       constraint: "snps,designware-i2c"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     pcie:
       type: boolean
-      category: optional
+      required: false
       description: attached via PCI(e) bus
diff --git a/dts/bindings/i2c/st,stm32-i2c-v1.yaml b/dts/bindings/i2c/st,stm32-i2c-v1.yaml
index 218ab6d7028d..70f0c56602e6 100644
--- a/dts/bindings/i2c/st,stm32-i2c-v1.yaml
+++ b/dts/bindings/i2c/st,stm32-i2c-v1.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "st,stm32-i2c-v1"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/i2c/st,stm32-i2c-v2.yaml b/dts/bindings/i2c/st,stm32-i2c-v2.yaml
index 4259957dd667..923c7105d183 100644
--- a/dts/bindings/i2c/st,stm32-i2c-v2.yaml
+++ b/dts/bindings/i2c/st,stm32-i2c-v2.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "st,stm32-i2c-v2"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/i2c/ti,cc13xx-cc26xx-i2c.yaml b/dts/bindings/i2c/ti,cc13xx-cc26xx-i2c.yaml
index d579b6222782..25dafc1190ae 100644
--- a/dts/bindings/i2c/ti,cc13xx-cc26xx-i2c.yaml
+++ b/dts/bindings/i2c/ti,cc13xx-cc26xx-i2c.yaml
@@ -17,17 +17,17 @@ properties:
       constraint: "ti,cc13xx-cc26xx-i2c"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     sda-pin:
       type: int
-      category: required
+      required: true
       description: SDA pin
 
     scl-pin:
       type: int
-      category: required
+      required: true
       description: SCL pin
diff --git a/dts/bindings/i2c/ti,cc32xx-i2c.yaml b/dts/bindings/i2c/ti,cc32xx-i2c.yaml
index b5fedbd0004b..107f384013c2 100644
--- a/dts/bindings/i2c/ti,cc32xx-i2c.yaml
+++ b/dts/bindings/i2c/ti,cc32xx-i2c.yaml
@@ -11,7 +11,7 @@ properties:
       constraint: "ti,cc32xx-i2c"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/i2s/i2s-controller.yaml b/dts/bindings/i2s/i2s-controller.yaml
index 24cd7ff40595..0c4138239064 100644
--- a/dts/bindings/i2s/i2s-controller.yaml
+++ b/dts/bindings/i2s/i2s-controller.yaml
@@ -14,10 +14,10 @@ child:
 
 properties:
     "#address-cells":
-      category: required
+      required: true
       const: 1
     "#size-cells":
-      category: required
+      required: true
       const: 0
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/i2s/i2s-device.yaml b/dts/bindings/i2s/i2s-device.yaml
index b6cced323f7c..bfb476e710c5 100644
--- a/dts/bindings/i2s/i2s-device.yaml
+++ b/dts/bindings/i2s/i2s-device.yaml
@@ -14,6 +14,6 @@ parent:
 
 properties:
     reg:
-      category: required
+      required: true
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/i2s/st,stm32-i2s.yaml b/dts/bindings/i2s/st,stm32-i2s.yaml
index eb2fdf827df7..f69d3ba01bf7 100644
--- a/dts/bindings/i2s/st,stm32-i2s.yaml
+++ b/dts/bindings/i2s/st,stm32-i2s.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "st,stm32-i2s"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/ieee802154/nxp,mcr20a.yaml b/dts/bindings/ieee802154/nxp,mcr20a.yaml
index 504af9166dc8..49e14e20f6ff 100644
--- a/dts/bindings/ieee802154/nxp,mcr20a.yaml
+++ b/dts/bindings/ieee802154/nxp,mcr20a.yaml
@@ -18,8 +18,8 @@ properties:
 
     irqb-gpios:
       type: phandle-array
-      category: required
+      required: true
 
     reset-gpios:
       type: phandle-array
-      category: required
+      required: true
diff --git a/dts/bindings/ieee802154/ti,cc2520.yaml b/dts/bindings/ieee802154/ti,cc2520.yaml
index dedddb7f4893..a44281b0ca23 100644
--- a/dts/bindings/ieee802154/ti,cc2520.yaml
+++ b/dts/bindings/ieee802154/ti,cc2520.yaml
@@ -18,24 +18,24 @@ properties:
 
     vreg-en-gpios:
       type: phandle-array
-      category: optional
+      required: false
 
     reset-gpios:
       type: phandle-array
-      category: optional
+      required: false
 
     fifo-gpios:
       type: phandle-array
-      category: optional
+      required: false
 
     cca-gpios:
       type: phandle-array
-      category: optional
+      required: false
 
     sfd-gpios:
       type: phandle-array
-      category: optional
+      required: false
 
     fifop-gpios:
       type: phandle-array
-      category: optional
+      required: false
diff --git a/dts/bindings/iio/adc/adc-controller.yaml b/dts/bindings/iio/adc/adc-controller.yaml
index b21a7f416683..9197254cb258 100644
--- a/dts/bindings/iio/adc/adc-controller.yaml
+++ b/dts/bindings/iio/adc/adc-controller.yaml
@@ -11,8 +11,8 @@ inherits:
 
 properties:
     label:
-      category: required
+      required: true
 
     "#io-channel-cells":
       type: int
-      category: required
+      required: true
diff --git a/dts/bindings/iio/adc/atmel,sam-afec.yaml b/dts/bindings/iio/adc/atmel,sam-afec.yaml
index e9b36131c680..5859717b86f6 100644
--- a/dts/bindings/iio/adc/atmel,sam-afec.yaml
+++ b/dts/bindings/iio/adc/atmel,sam-afec.yaml
@@ -11,15 +11,15 @@ properties:
       constraint: "atmel,sam-afec"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     peripheral-id:
       type: int
       description: peripheral ID
-      category: required
+      required: true
 
     "#io-channel-cells":
       const: 1
diff --git a/dts/bindings/iio/adc/atmel,sam0-adc.yaml b/dts/bindings/iio/adc/atmel,sam0-adc.yaml
index 18c2b21b8fe3..27cc16bd45e4 100644
--- a/dts/bindings/iio/adc/atmel,sam0-adc.yaml
+++ b/dts/bindings/iio/adc/atmel,sam0-adc.yaml
@@ -17,19 +17,19 @@ properties:
       constraint: "atmel,sam0-adc"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     gclk:
       type: int
-      category: required
+      required: true
       description: generic clock generator source
 
     prescaler:
       type: int
-      category: required
+      required: true
       description: clock prescaler divisor applied to the generic clock
 
     "#io-channel-cells":
diff --git a/dts/bindings/iio/adc/nordic,nrf-adc.yaml b/dts/bindings/iio/adc/nordic,nrf-adc.yaml
index 69381c3f5744..770c8cad1dd9 100644
--- a/dts/bindings/iio/adc/nordic,nrf-adc.yaml
+++ b/dts/bindings/iio/adc/nordic,nrf-adc.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "nordic,nrf-adc"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     "#io-channel-cells":
       const: 1
diff --git a/dts/bindings/iio/adc/nordic,nrf-saadc.yaml b/dts/bindings/iio/adc/nordic,nrf-saadc.yaml
index a69a63b5e894..5d7da3339ae8 100644
--- a/dts/bindings/iio/adc/nordic,nrf-saadc.yaml
+++ b/dts/bindings/iio/adc/nordic,nrf-saadc.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "nordic,nrf-saadc"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     "#io-channel-cells":
       const: 1
diff --git a/dts/bindings/iio/adc/nxp,kinetis-adc12.yaml b/dts/bindings/iio/adc/nxp,kinetis-adc12.yaml
index cf997460ad90..fd08434b06c0 100644
--- a/dts/bindings/iio/adc/nxp,kinetis-adc12.yaml
+++ b/dts/bindings/iio/adc/nxp,kinetis-adc12.yaml
@@ -17,29 +17,29 @@ properties:
       constraint: "nxp,kinetis-adc12"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     clk-source:
       type: int
-      category: required
+      required: true
       description: converter clock source
 
     clk-divider:
       type: int
-      category: required
+      required: true
       description: clock divider for the converter
 
     alternate-voltage-reference:
       type: boolean
-      category: optional
+      required: false
       description: use alternate voltage reference source
 
     sample-time:
       type: int
-      category: required
+      required: true
       description: sample time in clock cycles
 
     "#io-channel-cells":
diff --git a/dts/bindings/iio/adc/nxp,kinetis-adc16.yaml b/dts/bindings/iio/adc/nxp,kinetis-adc16.yaml
index 1554dbb06d63..177f27ebc038 100644
--- a/dts/bindings/iio/adc/nxp,kinetis-adc16.yaml
+++ b/dts/bindings/iio/adc/nxp,kinetis-adc16.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "nxp,kinetis-adc16"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     "#io-channel-cells":
       const: 1
diff --git a/dts/bindings/iio/adc/st,stm32-adc.yaml b/dts/bindings/iio/adc/st,stm32-adc.yaml
index 11c5c98877f7..8d40f96d6821 100644
--- a/dts/bindings/iio/adc/st,stm32-adc.yaml
+++ b/dts/bindings/iio/adc/st,stm32-adc.yaml
@@ -18,13 +18,13 @@ properties:
       constraint: "st,stm32-adc"
 
     reg:
-      category: required
+      required: true
 
     clocks:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     "#io-channel-cells":
       const: 1
diff --git a/dts/bindings/interrupt-controller/arm,gic.yaml b/dts/bindings/interrupt-controller/arm,gic.yaml
index 87b7df9dde33..9a23d6f41d95 100644
--- a/dts/bindings/interrupt-controller/arm,gic.yaml
+++ b/dts/bindings/interrupt-controller/arm,gic.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "arm,gic"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
 "#cells":
   - irq
diff --git a/dts/bindings/interrupt-controller/arm,v6m-nvic.yaml b/dts/bindings/interrupt-controller/arm,v6m-nvic.yaml
index de69d2c1f688..4ad67e19e82f 100644
--- a/dts/bindings/interrupt-controller/arm,v6m-nvic.yaml
+++ b/dts/bindings/interrupt-controller/arm,v6m-nvic.yaml
@@ -11,10 +11,10 @@ properties:
       constraint: "arm,v6m-nvic"
 
     reg:
-      category: required
+      required: true
 
     arm,num-irq-priority-bits:
-      category: required
+      required: true
       type: int
       description: number of bits of IRQ priorities
 
diff --git a/dts/bindings/interrupt-controller/arm,v7m-nvic.yaml b/dts/bindings/interrupt-controller/arm,v7m-nvic.yaml
index 120a150c7dee..532bee0ba441 100644
--- a/dts/bindings/interrupt-controller/arm,v7m-nvic.yaml
+++ b/dts/bindings/interrupt-controller/arm,v7m-nvic.yaml
@@ -11,10 +11,10 @@ properties:
       constraint: "arm,v7m-nvic"
 
     reg:
-      category: required
+      required: true
 
     arm,num-irq-priority-bits:
-      category: required
+      required: true
       type: int
       description: number of bits of IRQ priorities
 
diff --git a/dts/bindings/interrupt-controller/arm,v8m-nvic.yaml b/dts/bindings/interrupt-controller/arm,v8m-nvic.yaml
index 10e82f95fa9f..fe7ec128e367 100644
--- a/dts/bindings/interrupt-controller/arm,v8m-nvic.yaml
+++ b/dts/bindings/interrupt-controller/arm,v8m-nvic.yaml
@@ -11,10 +11,10 @@ properties:
       constraint: "arm,v8m-nvic"
 
     reg:
-      category: required
+      required: true
 
     arm,num-irq-priority-bits:
-      category: required
+      required: true
       type: int
       description: number of bits of IRQ priorities
 
diff --git a/dts/bindings/interrupt-controller/atmel,sam0-eic.yaml b/dts/bindings/interrupt-controller/atmel,sam0-eic.yaml
index b4a89da7baf5..7a081198fd35 100644
--- a/dts/bindings/interrupt-controller/atmel,sam0-eic.yaml
+++ b/dts/bindings/interrupt-controller/atmel,sam0-eic.yaml
@@ -11,10 +11,10 @@ properties:
       constraint: "atmel,sam0-eic"
 
   reg:
-    category: required
+    required: true
 
   interrupts:
-    category: required
+    required: true
 
   label:
-    category: required
+    required: true
diff --git a/dts/bindings/interrupt-controller/intel,cavs-intc.yaml b/dts/bindings/interrupt-controller/intel,cavs-intc.yaml
index 6e01fde9397b..f2f1383b66f5 100644
--- a/dts/bindings/interrupt-controller/intel,cavs-intc.yaml
+++ b/dts/bindings/interrupt-controller/intel,cavs-intc.yaml
@@ -11,10 +11,10 @@ properties:
       constraint: "intel,cavs-intc"
 
   reg:
-      category: required
+      required: true
 
   interrupts:
-      category: required
+      required: true
 
   "#interrupt-cells":
       const: 3
diff --git a/dts/bindings/interrupt-controller/intel,ioapic.yaml b/dts/bindings/interrupt-controller/intel,ioapic.yaml
index 73aa70d43213..fb5dc78c12dc 100644
--- a/dts/bindings/interrupt-controller/intel,ioapic.yaml
+++ b/dts/bindings/interrupt-controller/intel,ioapic.yaml
@@ -12,7 +12,7 @@ properties:
       constraint: "intel,ioapic"
 
   reg:
-      category: required
+      required: true
 
   "#interrupt-cells":
       const: 3
diff --git a/dts/bindings/interrupt-controller/interrupt-controller.yaml b/dts/bindings/interrupt-controller/interrupt-controller.yaml
index 36997043196a..8bad42554215 100644
--- a/dts/bindings/interrupt-controller/interrupt-controller.yaml
+++ b/dts/bindings/interrupt-controller/interrupt-controller.yaml
@@ -9,9 +9,9 @@
 properties:
     "interrupt-controller":
       type: boolean
-      category: required
+      required: true
       description: Convey's this node is an interrupt controller
     "#interrupt-cells":
       type: int
-      category: required
+      required: true
       description: Number of items to expect in an interrupt specifier
diff --git a/dts/bindings/interrupt-controller/openisa,rv32m1-event-unit.yaml b/dts/bindings/interrupt-controller/openisa,rv32m1-event-unit.yaml
index 203824fd7efe..de10ae89886d 100644
--- a/dts/bindings/interrupt-controller/openisa,rv32m1-event-unit.yaml
+++ b/dts/bindings/interrupt-controller/openisa,rv32m1-event-unit.yaml
@@ -18,7 +18,7 @@ properties:
       constraint: "openisa,rv32m1-event-unit"
 
   reg:
-      category: required
+      required: true
 
   "#interrupt-cells":
       const: 1
diff --git a/dts/bindings/interrupt-controller/openisa,rv32m1-intmux.yaml b/dts/bindings/interrupt-controller/openisa,rv32m1-intmux.yaml
index 35ed3ca8ef9e..70773f5ea28a 100644
--- a/dts/bindings/interrupt-controller/openisa,rv32m1-intmux.yaml
+++ b/dts/bindings/interrupt-controller/openisa,rv32m1-intmux.yaml
@@ -17,13 +17,13 @@ properties:
       constraint: "openisa,rv32m1-intmux"
 
   reg:
-      category: required
+      required: true
 
   label:
-      category: required
+      required: true
 
   interrupts:
-      category: required
+      required: true
 
   "#interrupt-cells":
       const: 1
diff --git a/dts/bindings/interrupt-controller/riscv,plic0.yaml b/dts/bindings/interrupt-controller/riscv,plic0.yaml
index fe279fa710ba..066fba5970e7 100644
--- a/dts/bindings/interrupt-controller/riscv,plic0.yaml
+++ b/dts/bindings/interrupt-controller/riscv,plic0.yaml
@@ -11,12 +11,12 @@ inherits:
 
 properties:
   reg:
-      category: required
+      required: true
 
   riscv,max-priority:
       type: int
       description: maximum interrupt priority
-      category: required
+      required: true
 
   "#interrupt-cells":
       const: 1
diff --git a/dts/bindings/interrupt-controller/shared-irq.yaml b/dts/bindings/interrupt-controller/shared-irq.yaml
index 51a62a5d89c7..ba510b4a0a65 100644
--- a/dts/bindings/interrupt-controller/shared-irq.yaml
+++ b/dts/bindings/interrupt-controller/shared-irq.yaml
@@ -11,7 +11,7 @@ properties:
       constraint: "shared-irq"
 
   interrupts:
-      category: required
+      required: true
 
   label:
-      category: required
+      required: true
diff --git a/dts/bindings/interrupt-controller/sifive,plic-1.0.0.yaml b/dts/bindings/interrupt-controller/sifive,plic-1.0.0.yaml
index 3a3ac0c293e2..8751ae52694e 100644
--- a/dts/bindings/interrupt-controller/sifive,plic-1.0.0.yaml
+++ b/dts/bindings/interrupt-controller/sifive,plic-1.0.0.yaml
@@ -15,4 +15,4 @@ properties:
     riscv,ndev:
         type: int
         description: Number of external interrupts supported
-        category: required
+        required: true
diff --git a/dts/bindings/interrupt-controller/snps,designware-intc.yaml b/dts/bindings/interrupt-controller/snps,designware-intc.yaml
index 0a54915f396e..7c9fad1d5518 100644
--- a/dts/bindings/interrupt-controller/snps,designware-intc.yaml
+++ b/dts/bindings/interrupt-controller/snps,designware-intc.yaml
@@ -11,10 +11,10 @@ properties:
       constraint: "snps,designware-intc"
 
   reg:
-      category: required
+      required: true
 
   interrupts:
-      category: required
+      required: true
 
   "#interrupt-cells":
       const: 3
diff --git a/dts/bindings/interrupt-controller/vexriscv,intc0.yaml b/dts/bindings/interrupt-controller/vexriscv,intc0.yaml
index e07c7af4f8b3..274bcec99294 100644
--- a/dts/bindings/interrupt-controller/vexriscv,intc0.yaml
+++ b/dts/bindings/interrupt-controller/vexriscv,intc0.yaml
@@ -17,12 +17,12 @@ properties:
       constraint: "vexriscv,intc0"
 
   reg:
-      category: required
+      required: true
 
   riscv,max-priority:
       type: int
       description: maximum interrupt priority
-      category: required
+      required: true
 
   "#interrupt-cells":
       const: 2
diff --git a/dts/bindings/interrupt-controller/xtensa,intc.yaml b/dts/bindings/interrupt-controller/xtensa,intc.yaml
index cd23a97cfa41..c010fb5a9f5c 100644
--- a/dts/bindings/interrupt-controller/xtensa,intc.yaml
+++ b/dts/bindings/interrupt-controller/xtensa,intc.yaml
@@ -11,7 +11,7 @@ properties:
       constraint: "xtensa,core-intc"
 
   reg:
-      category: required
+      required: true
 
   "#interrupt-cells":
       const: 3
diff --git a/dts/bindings/ipm/st,stm32-ipcc-mailbox.yaml b/dts/bindings/ipm/st,stm32-ipcc-mailbox.yaml
index 9599f9d19a39..08a5c91de3d8 100644
--- a/dts/bindings/ipm/st,stm32-ipcc-mailbox.yaml
+++ b/dts/bindings/ipm/st,stm32-ipcc-mailbox.yaml
@@ -17,4 +17,4 @@ properties:
       constraint: "st,stm32-ipcc-mailbox"
 
   clocks:
-    category: required
+    required: true
diff --git a/dts/bindings/led/holtek,ht16k33.yaml b/dts/bindings/led/holtek,ht16k33.yaml
index 3c88b6801299..c3602e02f183 100644
--- a/dts/bindings/led/holtek,ht16k33.yaml
+++ b/dts/bindings/led/holtek,ht16k33.yaml
@@ -12,14 +12,14 @@ properties:
     compatible:
       constraint: "holtek,ht16k33"
     "#address-cells":
-      category: required
+      required: true
       const: 1
     "#size-cells":
-      category: required
+      required: true
       const: 0
     label:
-      category: required
+      required: true
     irq-gpios:
       type: phandle-array
-      category: optional
+      required: false
       description: IRQ pin
diff --git a/dts/bindings/led/pwm-leds.yaml b/dts/bindings/led/pwm-leds.yaml
index 5f4d425177ac..09e70e93f065 100644
--- a/dts/bindings/led/pwm-leds.yaml
+++ b/dts/bindings/led/pwm-leds.yaml
@@ -13,16 +13,16 @@ properties:
     compatible:
       constraint: "pwm-leds"
       type: string-array
-      category: required
+      required: true
       description: compatible strings
 
 sub-node:
     properties:
         pwms:
           type: phandle-array
-          category: required
+          required: true
 
         label:
-          category: optional
+          required: false
           type: string
           description: Human readable string describing the device (used by Zephyr for API name)
diff --git a/dts/bindings/memory-controllers/nxp,imx-semc.yaml b/dts/bindings/memory-controllers/nxp,imx-semc.yaml
index 3a133e65dad3..747d56136887 100644
--- a/dts/bindings/memory-controllers/nxp,imx-semc.yaml
+++ b/dts/bindings/memory-controllers/nxp,imx-semc.yaml
@@ -18,10 +18,10 @@ properties:
       constraint: "nxp,imx-semc"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/mhu/arm,mhu.yaml b/dts/bindings/mhu/arm,mhu.yaml
index 497952083f5b..5a6ae8c58d61 100644
--- a/dts/bindings/mhu/arm,mhu.yaml
+++ b/dts/bindings/mhu/arm,mhu.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "arm,mhu"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/misc/skyworks,sky13351.yaml b/dts/bindings/misc/skyworks,sky13351.yaml
index 3ac1b2fd089c..406d1cc6db82 100644
--- a/dts/bindings/misc/skyworks,sky13351.yaml
+++ b/dts/bindings/misc/skyworks,sky13351.yaml
@@ -18,9 +18,9 @@ properties:
         constraint: "skyworks,sky13351"
     vctl1-gpios:
         type: phandle-array
-        category: required
+        required: true
         description: VCTL1 pin
     vctl2-gpios:
         type: phandle-array
-        category: required
+        required: true
         description: VCTL2 pin
diff --git a/dts/bindings/mmc/nxp,imx-usdhc.yaml b/dts/bindings/mmc/nxp,imx-usdhc.yaml
index e67f962b45fc..fdd37f1f69d6 100644
--- a/dts/bindings/mmc/nxp,imx-usdhc.yaml
+++ b/dts/bindings/mmc/nxp,imx-usdhc.yaml
@@ -17,17 +17,17 @@ properties:
       constraint: "nxp,imx-usdhc"
 
     clocks:
-      category: required
+      required: true
 
     pwr-gpios:
       type: phandle-array
-      category: optional
+      required: false
       description: Power pin
 
     cd-gpios:
       type: phandle-array
-      category: optional
+      required: false
       description: Detect pin
 
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/mmu_mpu/arm,armv7m-mpu.yaml b/dts/bindings/mmu_mpu/arm,armv7m-mpu.yaml
index a2011128ed4d..866948e8b462 100644
--- a/dts/bindings/mmu_mpu/arm,armv7m-mpu.yaml
+++ b/dts/bindings/mmu_mpu/arm,armv7m-mpu.yaml
@@ -11,9 +11,9 @@ properties:
       constraint: "arm,armv7m-mpu"
 
     reg:
-      category: required
+      required: true
 
     arm,num-mpu-regions:
-      category: required
+      required: true
       type: int
       description: number of MPU regions supported by hardware
diff --git a/dts/bindings/mmu_mpu/arm,armv8m-mpu.yaml b/dts/bindings/mmu_mpu/arm,armv8m-mpu.yaml
index ca28dce4a7b3..3dda1d9a9fbf 100644
--- a/dts/bindings/mmu_mpu/arm,armv8m-mpu.yaml
+++ b/dts/bindings/mmu_mpu/arm,armv8m-mpu.yaml
@@ -11,9 +11,9 @@ properties:
       constraint: "arm,armv8m-mpu"
 
     reg:
-      category: required
+      required: true
 
     arm,num-mpu-regions:
-      category: required
+      required: true
       type: int
       description: number of MPU regions supported by hardware
diff --git a/dts/bindings/modem/ublox,sara-r4.yaml b/dts/bindings/modem/ublox,sara-r4.yaml
index 742830d5b6bb..2dabd11b1c8d 100644
--- a/dts/bindings/modem/ublox,sara-r4.yaml
+++ b/dts/bindings/modem/ublox,sara-r4.yaml
@@ -17,16 +17,16 @@ properties:
       constraint: "ublox,sara-r4"
 
     label:
-      category: required
+      required: true
 
     mdm-power-gpios:
       type: phandle-array
-      category: required
+      required: true
 
     mdm-reset-gpios:
       type: phandle-array
-      category: required
+      required: true
 
     mdm-vint-gpios:
       type: phandle-array
-      category: optional
+      required: false
diff --git a/dts/bindings/modem/wnc,m14a2a.yaml b/dts/bindings/modem/wnc,m14a2a.yaml
index 32b4d50253ad..9c4e1f54fe97 100644
--- a/dts/bindings/modem/wnc,m14a2a.yaml
+++ b/dts/bindings/modem/wnc,m14a2a.yaml
@@ -17,29 +17,29 @@ properties:
       constraint: "wnc,m14a2a"
 
     label:
-      category: required
+      required: true
 
     mdm-boot-mode-sel-gpios:
       type: phandle-array
-      category: required
+      required: true
 
     mdm-power-gpios:
       type: phandle-array
-      category: required
+      required: true
 
     mdm-keep-awake-gpios:
       type: phandle-array
-      category: required
+      required: true
 
     mdm-reset-gpios:
       type: phandle-array
-      category: required
+      required: true
 
     mdm-shld-trans-ena-gpios:
       type: phandle-array
-      category: required
+      required: true
 
     mdm-send-ok-gpios:
       type: phandle-array
-      category: optional
+      required: false
       description: UART RTS pin if no HW flow control (set to always enabled)
diff --git a/dts/bindings/mtd/atmel,at24.yaml b/dts/bindings/mtd/atmel,at24.yaml
index eaa3684bbd0b..57470e2a8798 100644
--- a/dts/bindings/mtd/atmel,at24.yaml
+++ b/dts/bindings/mtd/atmel,at24.yaml
@@ -17,5 +17,5 @@ properties:
       constraint: "atmel,at24"
     size:
       type: int
-      category: required
+      required: true
       description: I2C Slave EEPROM Size in KiB
diff --git a/dts/bindings/mtd/jedec,spi-nor.yaml b/dts/bindings/mtd/jedec,spi-nor.yaml
index aef61fd2d5fa..b447ffe90ad5 100644
--- a/dts/bindings/mtd/jedec,spi-nor.yaml
+++ b/dts/bindings/mtd/jedec,spi-nor.yaml
@@ -18,28 +18,28 @@ properties:
 
   jedec-id:
     type: uint8-array
-    category: required
+    required: true
     description: JEDEC ID as manufacturer ID, memory type, memory density
 
   has-be32k:
     type: boolean
-    category: optional
+    required: false
     description: Indicates the device supports the BE32K command
 
   size:
     type: int
-    category: optional
+    required: false
     description: flash capacity in bits
 
   wp-gpios:
     type: phandle-array
-    category: optional
+    required: false
     description: WPn pin
   hold-gpios:
     type: phandle-array
-    category: optional
+    required: false
     description: HOLDn pin
   reset-gpios:
     type: phandle-array
-    category: optional
+    required: false
     description: RESETn pin
diff --git a/dts/bindings/mtd/partition.yaml b/dts/bindings/mtd/partition.yaml
index f3d8606bdd7d..921311bfc6a4 100644
--- a/dts/bindings/mtd/partition.yaml
+++ b/dts/bindings/mtd/partition.yaml
@@ -7,31 +7,31 @@ properties:
     compatible:
       constraint: "fixed-partitions"
       type: string-array
-      category: required
+      required: true
       description: compatible strings
 
     "#address-cells":
         type: int
-        category: optional
+        required: false
         description: number of address cells in reg property
 
     "#size-cells":
         type: int
-        category: optional
+        required: false
         description: number of size cells in reg property
 
 sub-node:
     properties:
        label:
-          category: required
+          required: true
           type: string
-          category: optional
+          required: false
           description: Human readable string describing the device (used by Zephyr for API name)
        read-only:
           type: boolean
-          category: optional
+          required: false
           description: if the partition is read-only or not
        reg:
           type: array
           description: register space
-          category: required
+          required: true
diff --git a/dts/bindings/mtd/soc-nv-flash.yaml b/dts/bindings/mtd/soc-nv-flash.yaml
index ab8750778238..de55b396d837 100644
--- a/dts/bindings/mtd/soc-nv-flash.yaml
+++ b/dts/bindings/mtd/soc-nv-flash.yaml
@@ -11,14 +11,14 @@ properties:
       constraint: "soc-nv-flash"
 
     label:
-      category: optional
+      required: false
 
     erase-block-size:
      type: int
      description: address alignment required by flash erase operations
-     category: optional
+     required: false
 
     write-block-size:
      type: int
      description: address alignment required by flash write operations
-     category: optional
+     required: false
diff --git a/dts/bindings/phy/phy-controller.yaml b/dts/bindings/phy/phy-controller.yaml
index 2683afb311b6..e64928b15da6 100644
--- a/dts/bindings/phy/phy-controller.yaml
+++ b/dts/bindings/phy/phy-controller.yaml
@@ -12,6 +12,6 @@ inherits:
 properties:
     "#phy-cells":
         type: int
-        category: required
+        required: true
         description: Number of cells in a PHY provider. The meaning those
                      cells is defined by the binding for the phy node.
diff --git a/dts/bindings/phy/st,stm32-usbphyc.yaml b/dts/bindings/phy/st,stm32-usbphyc.yaml
index 72e4f47d030b..bf2315a16bcc 100644
--- a/dts/bindings/phy/st,stm32-usbphyc.yaml
+++ b/dts/bindings/phy/st,stm32-usbphyc.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "st,stm32-usbphyc"
 
     reg:
-      category: required
+      required: true
 
     "#phy-cells":
       const: 0
diff --git a/dts/bindings/pinctrl/atmel,sam0-pinmux.yaml b/dts/bindings/pinctrl/atmel,sam0-pinmux.yaml
index c60221780989..29cf844feeb9 100644
--- a/dts/bindings/pinctrl/atmel,sam0-pinmux.yaml
+++ b/dts/bindings/pinctrl/atmel,sam0-pinmux.yaml
@@ -11,10 +11,10 @@ properties:
       constraint: "atmel,sam0-pinmux"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
 "#cells":
   - pin
diff --git a/dts/bindings/pinctrl/intel,s1000-pinmux.yaml b/dts/bindings/pinctrl/intel,s1000-pinmux.yaml
index 427841a84ef4..262415175e0f 100644
--- a/dts/bindings/pinctrl/intel,s1000-pinmux.yaml
+++ b/dts/bindings/pinctrl/intel,s1000-pinmux.yaml
@@ -12,7 +12,7 @@ properties:
       constraint: "intel,s1000-pinmux"
 
     reg:
-      category: required
+      required: true
 
 "#cells":
   - pin
diff --git a/dts/bindings/pinctrl/nxp,kinetis-pinmux.yaml b/dts/bindings/pinctrl/nxp,kinetis-pinmux.yaml
index b62d4bb4a4dc..21787dfeef34 100644
--- a/dts/bindings/pinctrl/nxp,kinetis-pinmux.yaml
+++ b/dts/bindings/pinctrl/nxp,kinetis-pinmux.yaml
@@ -11,10 +11,10 @@ properties:
       constraint: "nxp,kinetis-pinmux"
 
     reg:
-      category: required
+      required: true
 
     clocks:
-      category: required
+      required: true
 
 "#cells":
   - pin
diff --git a/dts/bindings/pinctrl/openisa,rv32m1-pinmux.yaml b/dts/bindings/pinctrl/openisa,rv32m1-pinmux.yaml
index c297806fd0df..bed3b79f80fb 100644
--- a/dts/bindings/pinctrl/openisa,rv32m1-pinmux.yaml
+++ b/dts/bindings/pinctrl/openisa,rv32m1-pinmux.yaml
@@ -11,10 +11,10 @@ properties:
       constraint: "openisa,rv32m1-pinmux"
 
     reg:
-      category: required
+      required: true
 
     clocks:
-      category: required
+      required: true
 
 "#cells":
   - pin
diff --git a/dts/bindings/pinctrl/st,stm32-pinmux.yaml b/dts/bindings/pinctrl/st,stm32-pinmux.yaml
index de54783fa91b..3f6a61543eb7 100644
--- a/dts/bindings/pinctrl/st,stm32-pinmux.yaml
+++ b/dts/bindings/pinctrl/st,stm32-pinmux.yaml
@@ -11,7 +11,7 @@ properties:
       constraint: "st,stm32-pinmux"
 
     reg:
-      category: required
+      required: true
 
 "#cells":
   - pin
diff --git a/dts/bindings/pinctrl/ti,cc13xx-cc26xx-pinmux.yaml b/dts/bindings/pinctrl/ti,cc13xx-cc26xx-pinmux.yaml
index 31c5e5746231..8f8eb8040c1f 100644
--- a/dts/bindings/pinctrl/ti,cc13xx-cc26xx-pinmux.yaml
+++ b/dts/bindings/pinctrl/ti,cc13xx-cc26xx-pinmux.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "ti,cc13xx-cc26xx-pinmux"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/pinctrl/ti,cc2650-pinmux.yaml b/dts/bindings/pinctrl/ti,cc2650-pinmux.yaml
index e7613536304b..c41678646883 100644
--- a/dts/bindings/pinctrl/ti,cc2650-pinmux.yaml
+++ b/dts/bindings/pinctrl/ti,cc2650-pinmux.yaml
@@ -12,7 +12,7 @@ properties:
       constraint: "ti,cc2650-pinmux"
 
     reg:
-      category: required
+      required: true
 
 "#cells":
   - pin
diff --git a/dts/bindings/power/nordic,nrf-power.yaml b/dts/bindings/power/nordic,nrf-power.yaml
index 60f86d6e430b..1fc2bc82ac2c 100644
--- a/dts/bindings/power/nordic,nrf-power.yaml
+++ b/dts/bindings/power/nordic,nrf-power.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "nordic,nrf-power"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/pwm/atmel,sam-pwm.yaml b/dts/bindings/pwm/atmel,sam-pwm.yaml
index aad444305ca6..0db829a44ad7 100644
--- a/dts/bindings/pwm/atmel,sam-pwm.yaml
+++ b/dts/bindings/pwm/atmel,sam-pwm.yaml
@@ -17,24 +17,24 @@ properties:
       constraint: "atmel,sam-pwm"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     peripheral-id:
       type: int
       description: peripheral ID
-      category: required
+      required: true
 
     prescaler:
       type: int
-      category: required
+      required: true
       description: Clock prescaler at the input of the PWM (0 to 10)
 
     divider:
       type: int
-      category: required
+      required: true
       description: Clock divider at the input of the PWM (1 to 255)
 
     "#pwm-cells":
diff --git a/dts/bindings/pwm/fsl,imx7d-pwm.yaml b/dts/bindings/pwm/fsl,imx7d-pwm.yaml
index 3bb0c2d7833b..fddc28890f2e 100644
--- a/dts/bindings/pwm/fsl,imx7d-pwm.yaml
+++ b/dts/bindings/pwm/fsl,imx7d-pwm.yaml
@@ -17,19 +17,19 @@ properties:
       constraint: "fsl,imx7d-pwm"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     prescaler:
      type: int
-     category: required
+     required: true
      description: Set the PWM prescale between 0 and 4096
 
     rdc:
      type: int
-     category: required
+     required: true
      description: Set the RDC permission for this peripheral
 
     "#pwm-cells":
diff --git a/dts/bindings/pwm/nordic,nrf-pwm.yaml b/dts/bindings/pwm/nordic,nrf-pwm.yaml
index 4645f7430db2..c4dd59bd5c06 100644
--- a/dts/bindings/pwm/nordic,nrf-pwm.yaml
+++ b/dts/bindings/pwm/nordic,nrf-pwm.yaml
@@ -11,47 +11,47 @@ properties:
       constraint: "nordic,nrf-pwm"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     ch0-pin:
       type: int
       description: Channel 0 pin
-      category: optional
+      required: false
 
     ch0-inverted:
       type: boolean
       description: Channel 0 inverted
-      category: optional
+      required: false
 
     ch1-pin:
       type: int
       description: Channel 1 pin
-      category: optional
+      required: false
 
     ch1-inverted:
       type: boolean
       description: Channel 1 inverted
-      category: optional
+      required: false
 
     ch2-pin:
       type: int
       description: Channel 2 pin
-      category: optional
+      required: false
 
     ch2-inverted:
       type: boolean
       description: Channel 2 inverted
-      category: optional
+      required: false
 
     ch3-pin:
       type: int
       description: Channel 3 pin
-      category: optional
+      required: false
 
     ch3-inverted:
       type: boolean
       description: Channel 3 inverted
-      category: optional
+      required: false
diff --git a/dts/bindings/pwm/nordic,nrf-sw-pwm.yaml b/dts/bindings/pwm/nordic,nrf-sw-pwm.yaml
index 2da6e36df0ce..5558cad422ff 100644
--- a/dts/bindings/pwm/nordic,nrf-sw-pwm.yaml
+++ b/dts/bindings/pwm/nordic,nrf-sw-pwm.yaml
@@ -11,29 +11,29 @@ properties:
       constraint: "nordic,nrf-sw-pwm"
 
     label:
-      category: required
+      required: true
 
     timer-instance:
       type: int
       description: Timer instance to use for generating the PWM output signals
-      category: required
+      required: true
 
     channel-count:
       type: int
       description: Number of PWM channels. Limited by timer instance compare registers minus 1.
-      category: required
+      required: true
 
     clock-prescaler:
       type: int
       description: Clock prescaler for timer used for generating the PWM output signals with frequency = 16 MHz / 2^prescaler
-      category: required
+      required: true
 
     ppi-base:
       type: int
       description: PPI base used for PPI index calculation used for PWM output generation
-      category: required
+      required: true
 
     gpiote-base:
       type: int
       description: GPIOTE base used for GPIOTE index calculation used for PWM output generation
-      category: required
+      required: true
diff --git a/dts/bindings/pwm/nxp,flexpwm.yaml b/dts/bindings/pwm/nxp,flexpwm.yaml
index 90cd274e781a..c213350f12fa 100644
--- a/dts/bindings/pwm/nxp,flexpwm.yaml
+++ b/dts/bindings/pwm/nxp,flexpwm.yaml
@@ -18,7 +18,7 @@ properties:
       constraint: "nxp,flexpwm"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/pwm/nxp,imx-pwm.yaml b/dts/bindings/pwm/nxp,imx-pwm.yaml
index c9320fc89fea..8517658eebdd 100644
--- a/dts/bindings/pwm/nxp,imx-pwm.yaml
+++ b/dts/bindings/pwm/nxp,imx-pwm.yaml
@@ -19,13 +19,13 @@ properties:
     index:
       type: int
       description: flexpwm submodule index
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     "#pwm-cells":
       const: 1
diff --git a/dts/bindings/pwm/nxp,kinetis-ftm.yaml b/dts/bindings/pwm/nxp,kinetis-ftm.yaml
index 0342ca83ed1e..bd3eb40bf787 100644
--- a/dts/bindings/pwm/nxp,kinetis-ftm.yaml
+++ b/dts/bindings/pwm/nxp,kinetis-ftm.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "nxp,kinetis-ftm"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     "#pwm-cells":
       const: 2
diff --git a/dts/bindings/pwm/pwm-controller.yaml b/dts/bindings/pwm/pwm-controller.yaml
index 680c121cac07..81bff219cf29 100644
--- a/dts/bindings/pwm/pwm-controller.yaml
+++ b/dts/bindings/pwm/pwm-controller.yaml
@@ -8,9 +8,9 @@
 
 properties:
     label:
-      category: required
+      required: true
 
     "#pwm-cells":
       type: int
-      category: required
+      required: true
       description: Number of items to expect in a pwm specifier
diff --git a/dts/bindings/pwm/sifive,pwm0.yaml b/dts/bindings/pwm/sifive,pwm0.yaml
index 29344d1da41c..795803a7ba5c 100644
--- a/dts/bindings/pwm/sifive,pwm0.yaml
+++ b/dts/bindings/pwm/sifive,pwm0.yaml
@@ -18,18 +18,18 @@ properties:
 
     clock-frequency:
       type: int
-      category: optional
+      required: false
       description: Clock frequency information for PWM operation
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     sifive,compare-width:
       type: int
-      category: required
+      required: true
       description: Width of the PWM comparator in bits
 
     "#pwm-cells":
diff --git a/dts/bindings/pwm/st,stm32-pwm.yaml b/dts/bindings/pwm/st,stm32-pwm.yaml
index cc4cac0869e6..dd7723acb37f 100644
--- a/dts/bindings/pwm/st,stm32-pwm.yaml
+++ b/dts/bindings/pwm/st,stm32-pwm.yaml
@@ -11,11 +11,11 @@ properties:
       constraint: "st,stm32-pwm"
 
     label:
-      category: required
+      required: true
 
     st,prescaler:
       type: int
-      category: required
+      required: true
       description: Clock prescaler at the input of the timer
 
     "#pwm-cells":
diff --git a/dts/bindings/riscv/openisa,rv32m1-pcc.yaml b/dts/bindings/riscv/openisa,rv32m1-pcc.yaml
index db0d53d78c97..db6583842e80 100644
--- a/dts/bindings/riscv/openisa,rv32m1-pcc.yaml
+++ b/dts/bindings/riscv/openisa,rv32m1-pcc.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "openisa,rv32m1-pcc"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     "#clock-cells":
       const: 1
diff --git a/dts/bindings/rng/atmel,sam-trng.yaml b/dts/bindings/rng/atmel,sam-trng.yaml
index d89947eb3e15..6327055ff2bb 100644
--- a/dts/bindings/rng/atmel,sam-trng.yaml
+++ b/dts/bindings/rng/atmel,sam-trng.yaml
@@ -17,15 +17,15 @@ properties:
       constraint: "atmel,sam-trng"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     peripheral-id:
       type: int
       description: peripheral ID
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/rng/nxp,kinetis-rnga.yaml b/dts/bindings/rng/nxp,kinetis-rnga.yaml
index baf06e916475..ac9798feb598 100644
--- a/dts/bindings/rng/nxp,kinetis-rnga.yaml
+++ b/dts/bindings/rng/nxp,kinetis-rnga.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "nxp,kinetis-rnga"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/rng/nxp,kinetis-trng.yaml b/dts/bindings/rng/nxp,kinetis-trng.yaml
index 171948eda71d..5641304a6452 100644
--- a/dts/bindings/rng/nxp,kinetis-trng.yaml
+++ b/dts/bindings/rng/nxp,kinetis-trng.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "nxp,kinetis-trng"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/rng/ti,cc13xx-cc26xx-trng.yaml b/dts/bindings/rng/ti,cc13xx-cc26xx-trng.yaml
index 9dd01590a85b..d1e82e724d2a 100644
--- a/dts/bindings/rng/ti,cc13xx-cc26xx-trng.yaml
+++ b/dts/bindings/rng/ti,cc13xx-cc26xx-trng.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "ti,cc13xx-cc26xx-trng"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/rtc/atmel,sam0-rtc.yaml b/dts/bindings/rtc/atmel,sam0-rtc.yaml
index ef8b2f17b434..68d5611ea256 100644
--- a/dts/bindings/rtc/atmel,sam0-rtc.yaml
+++ b/dts/bindings/rtc/atmel,sam0-rtc.yaml
@@ -17,9 +17,9 @@ properties:
       constraint: "atmel,sam0-rtc"
 
     reg:
-      category: required
+      required: true
 
     clock-generator:
       type: int
       description: clock generator index
-      category: required
+      required: true
diff --git a/dts/bindings/rtc/intel,qmsi-rtc.yaml b/dts/bindings/rtc/intel,qmsi-rtc.yaml
index 5e1e1b097478..73c2c663223f 100644
--- a/dts/bindings/rtc/intel,qmsi-rtc.yaml
+++ b/dts/bindings/rtc/intel,qmsi-rtc.yaml
@@ -17,4 +17,4 @@ properties:
       constraint: "intel,qmsi-rtc"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/rtc/nordic,nrf-rtc.yaml b/dts/bindings/rtc/nordic,nrf-rtc.yaml
index c22610f5b9a4..3ef12f898f27 100644
--- a/dts/bindings/rtc/nordic,nrf-rtc.yaml
+++ b/dts/bindings/rtc/nordic,nrf-rtc.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "nordic,nrf-rtc"
 
     reg:
-      category: required
+      required: true
 
     #If enabled, overflow different than full range (24 bits) is handled
     #through PPI channel which ensures precise timing. If disabled then
@@ -26,4 +26,4 @@ properties:
     ppi-wrap:
       type: boolean
       description: Enable wrapping with PPI
-      category: required
+      required: true
diff --git a/dts/bindings/rtc/nxp,kinetis-rtc.yaml b/dts/bindings/rtc/nxp,kinetis-rtc.yaml
index 626ba6fedf88..a48e62034cb3 100644
--- a/dts/bindings/rtc/nxp,kinetis-rtc.yaml
+++ b/dts/bindings/rtc/nxp,kinetis-rtc.yaml
@@ -17,4 +17,4 @@ properties:
       constraint: "nxp,kinetis-rtc"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/rtc/rtc.yaml b/dts/bindings/rtc/rtc.yaml
index 003efdb0a35d..bad087334a3c 100644
--- a/dts/bindings/rtc/rtc.yaml
+++ b/dts/bindings/rtc/rtc.yaml
@@ -12,14 +12,14 @@ inherits:
 properties:
     clock-frequency:
       type: int
-      category: optional
+      required: false
       description: Clock frequency information for RTC operation
     label:
-      category: required
+      required: true
     interrupts:
-      category: required
+      required: true
 
     prescaler:
       type: int
-      category: optional
+      required: false
       description: RTC frequency equals clock-frequency divided by the prescaler value
diff --git a/dts/bindings/rtc/silabs,gecko-rtcc.yaml b/dts/bindings/rtc/silabs,gecko-rtcc.yaml
index fed7434e941d..cfaebbffef26 100644
--- a/dts/bindings/rtc/silabs,gecko-rtcc.yaml
+++ b/dts/bindings/rtc/silabs,gecko-rtcc.yaml
@@ -17,4 +17,4 @@ properties:
       constraint: "silabs,gecko-rtcc"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/rtc/st,stm32-rtc.yaml b/dts/bindings/rtc/st,stm32-rtc.yaml
index 0acfbb5e2b58..2a167d92e460 100644
--- a/dts/bindings/rtc/st,stm32-rtc.yaml
+++ b/dts/bindings/rtc/st,stm32-rtc.yaml
@@ -17,4 +17,4 @@ properties:
       constraint: "st,stm32-rtc"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/sensor/adi,adt7420.yaml b/dts/bindings/sensor/adi,adt7420.yaml
index 3b454743ae8d..106fac3575eb 100644
--- a/dts/bindings/sensor/adi,adt7420.yaml
+++ b/dts/bindings/sensor/adi,adt7420.yaml
@@ -18,4 +18,4 @@ properties:
 
     int-gpios:
       type: phandle-array
-      category: optional
+      required: false
diff --git a/dts/bindings/sensor/adi,adxl362.yaml b/dts/bindings/sensor/adi,adxl362.yaml
index 88f75de959e8..655275e034c6 100644
--- a/dts/bindings/sensor/adi,adxl362.yaml
+++ b/dts/bindings/sensor/adi,adxl362.yaml
@@ -18,4 +18,4 @@ properties:
 
     int1-gpios:
       type: phandle-array
-      category: optional
+      required: false
diff --git a/dts/bindings/sensor/adi,adxl372-i2c.yaml b/dts/bindings/sensor/adi,adxl372-i2c.yaml
index a02a7d16e299..e7df1ac4cfa3 100644
--- a/dts/bindings/sensor/adi,adxl372-i2c.yaml
+++ b/dts/bindings/sensor/adi,adxl372-i2c.yaml
@@ -18,4 +18,4 @@ properties:
 
     int1-gpios:
       type: phandle-array
-      category: optional
+      required: false
diff --git a/dts/bindings/sensor/adi,adxl372-spi.yaml b/dts/bindings/sensor/adi,adxl372-spi.yaml
index 7b96f82ff3d6..7eed689cd29d 100644
--- a/dts/bindings/sensor/adi,adxl372-spi.yaml
+++ b/dts/bindings/sensor/adi,adxl372-spi.yaml
@@ -20,4 +20,4 @@ properties:
 
     int1-gpios:
       type: phandle-array
-      category: optional
+      required: false
diff --git a/dts/bindings/sensor/avago,apds9960.yaml b/dts/bindings/sensor/avago,apds9960.yaml
index cad1b05e5c81..7565899f01c5 100644
--- a/dts/bindings/sensor/avago,apds9960.yaml
+++ b/dts/bindings/sensor/avago,apds9960.yaml
@@ -18,4 +18,4 @@ properties:
 
     int-gpios:
       type: phandle-array
-      category: required
+      required: true
diff --git a/dts/bindings/sensor/bosch,bmi160.yaml b/dts/bindings/sensor/bosch,bmi160.yaml
index 1faccf99b1cb..6f0a249eafa2 100644
--- a/dts/bindings/sensor/bosch,bmi160.yaml
+++ b/dts/bindings/sensor/bosch,bmi160.yaml
@@ -18,4 +18,4 @@ properties:
 
     int-gpios:
       type: phandle-array
-      category: optional
+      required: false
diff --git a/dts/bindings/sensor/nordic,nrf-qdec.yaml b/dts/bindings/sensor/nordic,nrf-qdec.yaml
index 65d796bd0bb5..54673586217b 100644
--- a/dts/bindings/sensor/nordic,nrf-qdec.yaml
+++ b/dts/bindings/sensor/nordic,nrf-qdec.yaml
@@ -17,40 +17,40 @@ properties:
       constraint: "nordic,nrf-qdec"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     a-pin:
       type: int
       description: A pin
-      category: required
+      required: true
 
     b-pin:
       type: int
       description: B pin
-      category: required
+      required: true
 
     led-pin:
       type: int
       description: LED pin for light based QDEC device
-      category: optional
+      required: false
 
     enable-pin:
       type: int
       description: Enables connected QDEC device
-      category: optional
+      required: false
 
     led-pre:
       type: int
       description: Time LED is enabled prior to sampling event (in us)
-      category: required
+      required: true
 
     steps:
       type: int
       description: Number of steps on the rotating wheel
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/sensor/nordic,nrf-temp.yaml b/dts/bindings/sensor/nordic,nrf-temp.yaml
index 5191cc3f5557..c6ab508ba3a1 100644
--- a/dts/bindings/sensor/nordic,nrf-temp.yaml
+++ b/dts/bindings/sensor/nordic,nrf-temp.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "nordic,nrf-temp"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/sensor/nxp,fxas21002.yaml b/dts/bindings/sensor/nxp,fxas21002.yaml
index bb1a516c5d4e..0223f14afe19 100644
--- a/dts/bindings/sensor/nxp,fxas21002.yaml
+++ b/dts/bindings/sensor/nxp,fxas21002.yaml
@@ -18,8 +18,8 @@ properties:
 
     int1-gpios:
       type: phandle-array
-      category: optional
+      required: false
 
     int2-gpios:
       type: phandle-array
-      category: optional
+      required: false
diff --git a/dts/bindings/sensor/nxp,fxos8700.yaml b/dts/bindings/sensor/nxp,fxos8700.yaml
index a769843bba76..ea51c75c5e4e 100644
--- a/dts/bindings/sensor/nxp,fxos8700.yaml
+++ b/dts/bindings/sensor/nxp,fxos8700.yaml
@@ -19,12 +19,12 @@ properties:
 
     reset-gpios:
       type: phandle-array
-      category: optional
+      required: false
 
     int1-gpios:
       type: phandle-array
-      category: optional
+      required: false
 
     int2-gpios:
       type: phandle-array
-      category: optional
+      required: false
diff --git a/dts/bindings/sensor/sensirion,sht3xd.yaml b/dts/bindings/sensor/sensirion,sht3xd.yaml
index 1a978c525f54..36987ad13c26 100644
--- a/dts/bindings/sensor/sensirion,sht3xd.yaml
+++ b/dts/bindings/sensor/sensirion,sht3xd.yaml
@@ -18,5 +18,5 @@ properties:
       constraint: "sensirion,sht3xd"
     alert-gpios:
       type: phandle-array
-      category: optional
+      required: false
       description: ALERT pin
diff --git a/dts/bindings/sensor/st,hts221.yaml b/dts/bindings/sensor/st,hts221.yaml
index 6bdb808a0b41..d2b8800eea43 100644
--- a/dts/bindings/sensor/st,hts221.yaml
+++ b/dts/bindings/sensor/st,hts221.yaml
@@ -19,5 +19,5 @@ properties:
 
     drdy-gpios:
       type: phandle-array
-      category: optional
+      required: false
       description: DRDY pin
diff --git a/dts/bindings/sensor/st,lis2dh-i2c.yaml b/dts/bindings/sensor/st,lis2dh-i2c.yaml
index 843f5d8aa06a..c2359eaf2d4b 100644
--- a/dts/bindings/sensor/st,lis2dh-i2c.yaml
+++ b/dts/bindings/sensor/st,lis2dh-i2c.yaml
@@ -18,4 +18,4 @@ properties:
 
     irq-gpios:
       type: phandle-array
-      category: optional
+      required: false
diff --git a/dts/bindings/sensor/st,lis2dh-spi.yaml b/dts/bindings/sensor/st,lis2dh-spi.yaml
index 9b445ea0de18..ade8d2630329 100644
--- a/dts/bindings/sensor/st,lis2dh-spi.yaml
+++ b/dts/bindings/sensor/st,lis2dh-spi.yaml
@@ -19,4 +19,4 @@ properties:
 
     irq-gpios:
       type: phandle-array
-      category: optional
+      required: false
diff --git a/dts/bindings/sensor/st,lis2ds12-i2c.yaml b/dts/bindings/sensor/st,lis2ds12-i2c.yaml
index 4b94f389b0d4..3dbef2e4f619 100644
--- a/dts/bindings/sensor/st,lis2ds12-i2c.yaml
+++ b/dts/bindings/sensor/st,lis2ds12-i2c.yaml
@@ -18,4 +18,4 @@ properties:
 
     irq-gpios:
       type: phandle-array
-      category: required
+      required: true
diff --git a/dts/bindings/sensor/st,lis2ds12-spi.yaml b/dts/bindings/sensor/st,lis2ds12-spi.yaml
index d74106692f68..6f386059cae3 100644
--- a/dts/bindings/sensor/st,lis2ds12-spi.yaml
+++ b/dts/bindings/sensor/st,lis2ds12-spi.yaml
@@ -19,4 +19,4 @@ properties:
 
     irq-gpios:
       type: phandle-array
-      category: required
+      required: true
diff --git a/dts/bindings/sensor/st,lis2dw12-i2c.yaml b/dts/bindings/sensor/st,lis2dw12-i2c.yaml
index 501fd67e6542..06db990ab604 100644
--- a/dts/bindings/sensor/st,lis2dw12-i2c.yaml
+++ b/dts/bindings/sensor/st,lis2dw12-i2c.yaml
@@ -18,4 +18,4 @@ properties:
 
     irq-gpios:
       type: phandle-array
-      category: required
+      required: true
diff --git a/dts/bindings/sensor/st,lis2dw12-spi.yaml b/dts/bindings/sensor/st,lis2dw12-spi.yaml
index 7ccafee2a15b..ceb6729d8aee 100644
--- a/dts/bindings/sensor/st,lis2dw12-spi.yaml
+++ b/dts/bindings/sensor/st,lis2dw12-spi.yaml
@@ -19,4 +19,4 @@ properties:
 
     irq-gpios:
       type: phandle-array
-      category: required
+      required: true
diff --git a/dts/bindings/sensor/st,lis2mdl-magn.yaml b/dts/bindings/sensor/st,lis2mdl-magn.yaml
index 65b33c87a638..e31ce27002e2 100644
--- a/dts/bindings/sensor/st,lis2mdl-magn.yaml
+++ b/dts/bindings/sensor/st,lis2mdl-magn.yaml
@@ -18,4 +18,4 @@ properties:
 
     irq-gpios:
       type: phandle-array
-      category: required
+      required: true
diff --git a/dts/bindings/sensor/st,lis3dh-i2c.yaml b/dts/bindings/sensor/st,lis3dh-i2c.yaml
index f073a2453d9e..91cdff9af89e 100644
--- a/dts/bindings/sensor/st,lis3dh-i2c.yaml
+++ b/dts/bindings/sensor/st,lis3dh-i2c.yaml
@@ -17,5 +17,5 @@ properties:
         constraint: "st,lis3dh"
 
     irq-gpios:
-      category: optional
+      required: false
       type: phandle-array
diff --git a/dts/bindings/sensor/st,lps22hh-i2c.yaml b/dts/bindings/sensor/st,lps22hh-i2c.yaml
index ead839e876f1..f1209fe542e0 100644
--- a/dts/bindings/sensor/st,lps22hh-i2c.yaml
+++ b/dts/bindings/sensor/st,lps22hh-i2c.yaml
@@ -19,5 +19,5 @@ properties:
 
     drdy-gpios:
       type: phandle-array
-      category: optional
+      required: false
       description: DRDY pin
diff --git a/dts/bindings/sensor/st,lps22hh-spi.yaml b/dts/bindings/sensor/st,lps22hh-spi.yaml
index 4ee85d95c1cf..6454df24bb13 100644
--- a/dts/bindings/sensor/st,lps22hh-spi.yaml
+++ b/dts/bindings/sensor/st,lps22hh-spi.yaml
@@ -19,5 +19,5 @@ properties:
 
     drdy-gpios:
       type: phandle-array
-      category: optional
+      required: false
       description: DRDY pin
diff --git a/dts/bindings/sensor/st,lsm6dsl-i2c.yaml b/dts/bindings/sensor/st,lsm6dsl-i2c.yaml
index a9c5cac8a944..9a3253f1fb26 100644
--- a/dts/bindings/sensor/st,lsm6dsl-i2c.yaml
+++ b/dts/bindings/sensor/st,lsm6dsl-i2c.yaml
@@ -19,4 +19,4 @@ properties:
 
     irq-gpios:
       type: phandle-array
-      category: required
+      required: true
diff --git a/dts/bindings/sensor/st,lsm6dsl-spi.yaml b/dts/bindings/sensor/st,lsm6dsl-spi.yaml
index 88569ffee364..3f8c13004d40 100644
--- a/dts/bindings/sensor/st,lsm6dsl-spi.yaml
+++ b/dts/bindings/sensor/st,lsm6dsl-spi.yaml
@@ -19,4 +19,4 @@ properties:
 
     irq-gpios:
       type: phandle-array
-      category: required
+      required: true
diff --git a/dts/bindings/sensor/st,lsm6dso-i2c.yaml b/dts/bindings/sensor/st,lsm6dso-i2c.yaml
index 1fcddd08a3d7..e4ccdcb1bf88 100644
--- a/dts/bindings/sensor/st,lsm6dso-i2c.yaml
+++ b/dts/bindings/sensor/st,lsm6dso-i2c.yaml
@@ -19,4 +19,4 @@ properties:
 
     irq-gpios:
       type: phandle-array
-      category: required
+      required: true
diff --git a/dts/bindings/sensor/st,lsm6dso-spi.yaml b/dts/bindings/sensor/st,lsm6dso-spi.yaml
index 10998bfca450..b7176110a644 100644
--- a/dts/bindings/sensor/st,lsm6dso-spi.yaml
+++ b/dts/bindings/sensor/st,lsm6dso-spi.yaml
@@ -19,4 +19,4 @@ properties:
 
     irq-gpios:
       type: phandle-array
-      category: required
+      required: true
diff --git a/dts/bindings/sensor/st,lsm9ds0-gyro-i2c.yaml b/dts/bindings/sensor/st,lsm9ds0-gyro-i2c.yaml
index 3a0e786fa760..46952cff3a93 100644
--- a/dts/bindings/sensor/st,lsm9ds0-gyro-i2c.yaml
+++ b/dts/bindings/sensor/st,lsm9ds0-gyro-i2c.yaml
@@ -18,4 +18,4 @@ properties:
 
     irq-gpios:
       type: phandle-array
-      category: required
+      required: true
diff --git a/dts/bindings/sensor/st,lsm9ds0-mfd-i2c.yaml b/dts/bindings/sensor/st,lsm9ds0-mfd-i2c.yaml
index 95bccbf6a3f2..6ad2bc76d0e4 100644
--- a/dts/bindings/sensor/st,lsm9ds0-mfd-i2c.yaml
+++ b/dts/bindings/sensor/st,lsm9ds0-mfd-i2c.yaml
@@ -18,4 +18,4 @@ properties:
 
     irq-gpios:
       type: phandle-array
-      category: required
+      required: true
diff --git a/dts/bindings/sensor/st,stts751-i2c.yaml b/dts/bindings/sensor/st,stts751-i2c.yaml
index 0ab6b18cd326..d027bdccf719 100644
--- a/dts/bindings/sensor/st,stts751-i2c.yaml
+++ b/dts/bindings/sensor/st,stts751-i2c.yaml
@@ -19,5 +19,5 @@ properties:
 
     drdy-gpios:
       type: phandle-array
-      category: optional
+      required: false
       description: DRDY pin
diff --git a/dts/bindings/sensor/ti,hdc.yaml b/dts/bindings/sensor/ti,hdc.yaml
index 1f8d482077e1..ec227eeb8215 100644
--- a/dts/bindings/sensor/ti,hdc.yaml
+++ b/dts/bindings/sensor/ti,hdc.yaml
@@ -18,4 +18,4 @@ properties:
 
     drdy-gpios:
       type: phandle-array
-      category: optional
+      required: false
diff --git a/dts/bindings/serial/altera,jtag-uart.yaml b/dts/bindings/serial/altera,jtag-uart.yaml
index 5a3a2edbbe6b..e17d548e1614 100644
--- a/dts/bindings/serial/altera,jtag-uart.yaml
+++ b/dts/bindings/serial/altera,jtag-uart.yaml
@@ -11,4 +11,4 @@ properties:
       constraint: "altera,jtag-uart"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/serial/arm,cmsdk-uart.yaml b/dts/bindings/serial/arm,cmsdk-uart.yaml
index 93b21938af42..fded713ed029 100644
--- a/dts/bindings/serial/arm,cmsdk-uart.yaml
+++ b/dts/bindings/serial/arm,cmsdk-uart.yaml
@@ -11,7 +11,7 @@ properties:
       constraint: "arm,cmsdk-uart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/serial/arm,pl011.yaml b/dts/bindings/serial/arm,pl011.yaml
index 025ef0ee93d5..be5282821f21 100644
--- a/dts/bindings/serial/arm,pl011.yaml
+++ b/dts/bindings/serial/arm,pl011.yaml
@@ -11,7 +11,7 @@ properties:
       constraint: "arm,pl011"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/serial/atmel,sam-uart.yaml b/dts/bindings/serial/atmel,sam-uart.yaml
index 308272dcc9b1..7adfae1e502b 100644
--- a/dts/bindings/serial/atmel,sam-uart.yaml
+++ b/dts/bindings/serial/atmel,sam-uart.yaml
@@ -11,12 +11,12 @@ properties:
       constraint: "atmel,sam-uart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     peripheral-id:
       type: int
       description: peripheral ID
-      category: required
+      required: true
diff --git a/dts/bindings/serial/atmel,sam-usart.yaml b/dts/bindings/serial/atmel,sam-usart.yaml
index b28ab246d431..6d90d2c718b9 100644
--- a/dts/bindings/serial/atmel,sam-usart.yaml
+++ b/dts/bindings/serial/atmel,sam-usart.yaml
@@ -11,12 +11,12 @@ properties:
       constraint: "atmel,sam-usart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     peripheral-id:
       type: int
       description: peripheral ID
-      category: required
+      required: true
diff --git a/dts/bindings/serial/atmel,sam0-uart.yaml b/dts/bindings/serial/atmel,sam0-uart.yaml
index 5a8c1d150d67..c77a98737170 100644
--- a/dts/bindings/serial/atmel,sam0-uart.yaml
+++ b/dts/bindings/serial/atmel,sam0-uart.yaml
@@ -11,27 +11,27 @@ properties:
       constraint: "atmel,sam0-uart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     rxpo:
       type: int
-      category: required
+      required: true
       description: Receive Data Pinout
 
     txpo:
       type: int
-      category: required
+      required: true
       description: Transmit Data Pinout
 
     rxdma:
       type: int
-      category: optional
+      required: false
       description: Receive DMA channel
 
     txdma:
       type: int
-      category: optional
+      required: false
       description: Transmit DMA channel
diff --git a/dts/bindings/serial/cypress,psoc6-uart.yaml b/dts/bindings/serial/cypress,psoc6-uart.yaml
index a005fd3b2ed4..5fe53b10f3c7 100644
--- a/dts/bindings/serial/cypress,psoc6-uart.yaml
+++ b/dts/bindings/serial/cypress,psoc6-uart.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "cypress,psoc6-uart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/serial/intel,qmsi-uart.yaml b/dts/bindings/serial/intel,qmsi-uart.yaml
index c54d96b9c960..e97e4143d3af 100644
--- a/dts/bindings/serial/intel,qmsi-uart.yaml
+++ b/dts/bindings/serial/intel,qmsi-uart.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "intel,qmsi-uart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/serial/litex,uart0.yaml b/dts/bindings/serial/litex,uart0.yaml
index 5935bdc15379..92df442115cc 100644
--- a/dts/bindings/serial/litex,uart0.yaml
+++ b/dts/bindings/serial/litex,uart0.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "litex,uart0"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/serial/microsemi,coreuart.yaml b/dts/bindings/serial/microsemi,coreuart.yaml
index 52c329707599..136a18ec91b3 100644
--- a/dts/bindings/serial/microsemi,coreuart.yaml
+++ b/dts/bindings/serial/microsemi,coreuart.yaml
@@ -17,4 +17,4 @@ properties:
       constraint: "microsemi,coreuart"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/serial/nordic,nrf-uart.yaml b/dts/bindings/serial/nordic,nrf-uart.yaml
index 4775907442cb..dc41f2c6f3bb 100644
--- a/dts/bindings/serial/nordic,nrf-uart.yaml
+++ b/dts/bindings/serial/nordic,nrf-uart.yaml
@@ -11,27 +11,27 @@ properties:
       constraint: "nordic,nrf-uart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     tx-pin:
       type: int
       description: TX pin
-      category: required
+      required: true
 
     rx-pin:
       type: int
       description: RX pin
-      category: required
+      required: true
 
     rts-pin:
       type: int
       description: RTS pin
-      category: optional
+      required: false
 
     cts-pin:
       type: int
       description: CTS pin
-      category: optional
+      required: false
diff --git a/dts/bindings/serial/nordic,nrf-uarte.yaml b/dts/bindings/serial/nordic,nrf-uarte.yaml
index 7e34805a89a7..2210c637e55d 100644
--- a/dts/bindings/serial/nordic,nrf-uarte.yaml
+++ b/dts/bindings/serial/nordic,nrf-uarte.yaml
@@ -11,27 +11,27 @@ properties:
       constraint: "nordic,nrf-uarte"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     tx-pin:
       type: int
       description: TX pin
-      category: required
+      required: true
 
     rx-pin:
       type: int
       description: RX pin
-      category: required
+      required: true
 
     rts-pin:
       type: int
       description: RTS pin
-      category: optional
+      required: false
 
     cts-pin:
       type: int
       description: CTS pin
-      category: optional
+      required: false
diff --git a/dts/bindings/serial/ns16550.yaml b/dts/bindings/serial/ns16550.yaml
index 52ac133b8dc6..df1858e30659 100644
--- a/dts/bindings/serial/ns16550.yaml
+++ b/dts/bindings/serial/ns16550.yaml
@@ -11,24 +11,24 @@ properties:
       constraint: "ns16550"
 
     reg:
-      category: required
+      required: true
 
     reg-shift:
       type: int
-      category: optional
+      required: false
       description: quantity to shift the register offsets by
 
     pcp:
       type: int
-      category: optional
+      required: false
       description: custom clock (PRV_CLOCK_PARAMS, if supported)
 
     dlf:
       type: int
-      category: optional
+      required: false
       description: divisor latch fraction (DLF, if supported)
 
     pcie:
       type: boolean
-      category: optional
+      required: false
       description: attached via PCI(e) bus
diff --git a/dts/bindings/serial/nxp,imx-uart.yaml b/dts/bindings/serial/nxp,imx-uart.yaml
index a6b8cf06281e..77cdc25ca352 100644
--- a/dts/bindings/serial/nxp,imx-uart.yaml
+++ b/dts/bindings/serial/nxp,imx-uart.yaml
@@ -17,17 +17,17 @@ properties:
       constraint: "nxp,imx-uart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     modem-mode:
      type: int
-     category: required
+     required: true
      description: Set the UART Port to modem mode 0 (dce) 64 (dte)
 
     rdc:
      type: int
-     category: required
+     required: true
      description: Set the RDC permission for this peripheral
diff --git a/dts/bindings/serial/nxp,kinetis-lpsci.yaml b/dts/bindings/serial/nxp,kinetis-lpsci.yaml
index 80be261c742f..5f4c84abc35c 100644
--- a/dts/bindings/serial/nxp,kinetis-lpsci.yaml
+++ b/dts/bindings/serial/nxp,kinetis-lpsci.yaml
@@ -11,7 +11,7 @@ properties:
       constraint: "nxp,kinetis-lpsci"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/serial/nxp,kinetis-lpuart.yaml b/dts/bindings/serial/nxp,kinetis-lpuart.yaml
index 96e1422b9c3d..0823199cc3ad 100644
--- a/dts/bindings/serial/nxp,kinetis-lpuart.yaml
+++ b/dts/bindings/serial/nxp,kinetis-lpuart.yaml
@@ -11,7 +11,7 @@ properties:
       constraint: "nxp,kinetis-lpuart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/serial/nxp,kinetis-uart.yaml b/dts/bindings/serial/nxp,kinetis-uart.yaml
index a02c49ae54e3..e8f32a6c0f9c 100644
--- a/dts/bindings/serial/nxp,kinetis-uart.yaml
+++ b/dts/bindings/serial/nxp,kinetis-uart.yaml
@@ -11,15 +11,15 @@ properties:
       constraint: "nxp,kinetis-uart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     hw-flow-control:
       type: boolean
-      category: optional
+      required: false
       description: use hw flow control
 
     clocks:
-      category: required
+      required: true
diff --git a/dts/bindings/serial/nxp,lpc-usart.yaml b/dts/bindings/serial/nxp,lpc-usart.yaml
index 5fa7e0668a70..633de16f498b 100644
--- a/dts/bindings/serial/nxp,lpc-usart.yaml
+++ b/dts/bindings/serial/nxp,lpc-usart.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "nxp,lpc-usart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/serial/openisa,rv32m1-lpuart.yaml b/dts/bindings/serial/openisa,rv32m1-lpuart.yaml
index f7f53ef053d5..3e8edb6cbcde 100644
--- a/dts/bindings/serial/openisa,rv32m1-lpuart.yaml
+++ b/dts/bindings/serial/openisa,rv32m1-lpuart.yaml
@@ -11,12 +11,12 @@ properties:
       constraint: "openisa,rv32m1-lpuart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     hw-flow-control:
       type: boolean
-      category: optional
+      required: false
       description: use hw flow control
diff --git a/dts/bindings/serial/sifive,uart0.yaml b/dts/bindings/serial/sifive,uart0.yaml
index dce5f357d7fe..af8ca3ebc05a 100644
--- a/dts/bindings/serial/sifive,uart0.yaml
+++ b/dts/bindings/serial/sifive,uart0.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "sifive,uart0"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/serial/silabs,gecko-leuart.yaml b/dts/bindings/serial/silabs,gecko-leuart.yaml
index 342b3ff20d94..3cf5cc774acd 100644
--- a/dts/bindings/serial/silabs,gecko-leuart.yaml
+++ b/dts/bindings/serial/silabs,gecko-leuart.yaml
@@ -11,20 +11,20 @@ properties:
       constraint: "silabs,gecko-leuart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     # Note: Not all SoC series support setting individual pin location. If this
     # is a case all location-* properties need to have identical value.
 
     location-rx:
       type: array
-      category: required
+      required: true
       description: RX pin configuration defined as <location port pin>
 
     location-tx:
       type: array
-      category: required
+      required: true
       description: TX pin configuration defined as <location port pin>
diff --git a/dts/bindings/serial/silabs,gecko-uart.yaml b/dts/bindings/serial/silabs,gecko-uart.yaml
index fe6f3768c9b4..3163da327f47 100644
--- a/dts/bindings/serial/silabs,gecko-uart.yaml
+++ b/dts/bindings/serial/silabs,gecko-uart.yaml
@@ -11,20 +11,20 @@ properties:
       constraint: "silabs,gecko-uart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     # Note: Not all SoC series support setting individual pin location. If this
     # is a case all location-* properties need to have identical value.
 
     location-rx:
       type: array
-      category: required
+      required: true
       description: RX pin configuration defined as <location port pin>
 
     location-tx:
       type: array
-      category: required
+      required: true
       description: TX pin configuration defined as <location port pin>
diff --git a/dts/bindings/serial/silabs,gecko-usart.yaml b/dts/bindings/serial/silabs,gecko-usart.yaml
index e9e5fabbf2ce..3d51f3c1442f 100644
--- a/dts/bindings/serial/silabs,gecko-usart.yaml
+++ b/dts/bindings/serial/silabs,gecko-usart.yaml
@@ -11,20 +11,20 @@ properties:
       constraint: "silabs,gecko-usart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     # Note: Not all SoC series support setting individual pin location. If this
     # is a case all location-* properties need to have identical value.
 
     location-rx:
       type: array
-      category: required
+      required: true
       description: RX pin configuration defined as <location port pin>
 
     location-tx:
       type: array
-      category: required
+      required: true
       description: TX pin configuration defined as <location port pin>
diff --git a/dts/bindings/serial/snps,nsim-uart.yaml b/dts/bindings/serial/snps,nsim-uart.yaml
index 3cdfec14c32a..7ee85c6ba3ca 100644
--- a/dts/bindings/serial/snps,nsim-uart.yaml
+++ b/dts/bindings/serial/snps,nsim-uart.yaml
@@ -17,4 +17,4 @@ properties:
       constraint: "snps,nsim-uart"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/serial/st,stm32-lpuart.yaml b/dts/bindings/serial/st,stm32-lpuart.yaml
index 6527896ddfcc..626ffe567d5e 100644
--- a/dts/bindings/serial/st,stm32-lpuart.yaml
+++ b/dts/bindings/serial/st,stm32-lpuart.yaml
@@ -11,15 +11,15 @@ properties:
       constraint: "st,stm32-lpuart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     clocks:
-      category: required
+      required: true
 
     hw-flow-control:
       type: boolean
-      category: optional
+      required: false
       description: Set to enable RTS/CTS flow control at boot time
diff --git a/dts/bindings/serial/st,stm32-uart.yaml b/dts/bindings/serial/st,stm32-uart.yaml
index aadde4d36073..ea283c89b4de 100644
--- a/dts/bindings/serial/st,stm32-uart.yaml
+++ b/dts/bindings/serial/st,stm32-uart.yaml
@@ -11,12 +11,12 @@ properties:
       constraint: "st,stm32-uart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     hw-flow-control:
       type: boolean
-      category: optional
+      required: false
       description: Set to enable RTS/CTS flow control at boot time
diff --git a/dts/bindings/serial/st,stm32-usart.yaml b/dts/bindings/serial/st,stm32-usart.yaml
index c144c4d5df62..87d97905c2d8 100644
--- a/dts/bindings/serial/st,stm32-usart.yaml
+++ b/dts/bindings/serial/st,stm32-usart.yaml
@@ -11,12 +11,12 @@ properties:
       constraint: "st,stm32-usart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     hw-flow-control:
       type: boolean
-      category: optional
+      required: false
       description: Set to enable RTS/CTS flow control at boot time
diff --git a/dts/bindings/serial/ti,cc13xx-cc26xx-uart.yaml b/dts/bindings/serial/ti,cc13xx-cc26xx-uart.yaml
index eca24fa3c047..45d80216338e 100644
--- a/dts/bindings/serial/ti,cc13xx-cc26xx-uart.yaml
+++ b/dts/bindings/serial/ti,cc13xx-cc26xx-uart.yaml
@@ -17,17 +17,17 @@ properties:
       constraint: "ti,cc13xx-cc26xx-uart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     tx-pin:
       type: int
-      category: required
+      required: true
       description: TX pin
 
     rx-pin:
       type: int
-      category: required
+      required: true
       description: RX pin
diff --git a/dts/bindings/serial/ti,cc32xx-uart.yaml b/dts/bindings/serial/ti,cc32xx-uart.yaml
index 97aed09a6994..a87bea5f0130 100644
--- a/dts/bindings/serial/ti,cc32xx-uart.yaml
+++ b/dts/bindings/serial/ti,cc32xx-uart.yaml
@@ -11,7 +11,7 @@ properties:
       constraint: "ti,cc32xx-uart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/serial/ti,msp432p4xx-uart.yaml b/dts/bindings/serial/ti,msp432p4xx-uart.yaml
index 68f17ee81dc5..27257e2dab82 100644
--- a/dts/bindings/serial/ti,msp432p4xx-uart.yaml
+++ b/dts/bindings/serial/ti,msp432p4xx-uart.yaml
@@ -11,7 +11,7 @@ properties:
       constraint: "ti,msp432p4xx-uart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/serial/ti,stellaris-uart.yaml b/dts/bindings/serial/ti,stellaris-uart.yaml
index 07f56a324891..2b066bc1643e 100644
--- a/dts/bindings/serial/ti,stellaris-uart.yaml
+++ b/dts/bindings/serial/ti,stellaris-uart.yaml
@@ -11,7 +11,7 @@ properties:
       constraint: "ti,stellaris-uart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/serial/uart-controller.yaml b/dts/bindings/serial/uart-controller.yaml
index 7bfcb974e384..4172ea2ea7b2 100644
--- a/dts/bindings/serial/uart-controller.yaml
+++ b/dts/bindings/serial/uart-controller.yaml
@@ -9,11 +9,11 @@ child:
 properties:
     clock-frequency:
       type: int
-      category: optional
+      required: false
       description: Clock frequency information for UART operation
     current-speed:
       type: int
-      category: optional
+      required: false
       description: Initial baud rate setting for UART
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/serial/uart-device.yaml b/dts/bindings/serial/uart-device.yaml
index 786fdb9cee52..b46b6757e9ee 100644
--- a/dts/bindings/serial/uart-device.yaml
+++ b/dts/bindings/serial/uart-device.yaml
@@ -14,4 +14,4 @@ parent:
 
 properties:
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/serial/xlnx,uartps.yaml b/dts/bindings/serial/xlnx,uartps.yaml
index 66321af5b1d0..4fca001e0fb6 100644
--- a/dts/bindings/serial/xlnx,uartps.yaml
+++ b/dts/bindings/serial/xlnx,uartps.yaml
@@ -12,5 +12,5 @@ properties:
       constraint: "xlnx,xuartps"
 
     reg:
-      category: required
+      required: true
 ...
diff --git a/dts/bindings/serial/xtensa,esp32-uart.yaml b/dts/bindings/serial/xtensa,esp32-uart.yaml
index 1664a865424a..09ab0e71d5c9 100644
--- a/dts/bindings/serial/xtensa,esp32-uart.yaml
+++ b/dts/bindings/serial/xtensa,esp32-uart.yaml
@@ -11,10 +11,10 @@ properties:
       constraint: "xtensa,esp32-uart"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     clocks:
-      category: required
+      required: true
diff --git a/dts/bindings/spi/atmel,sam-spi.yaml b/dts/bindings/spi/atmel,sam-spi.yaml
index cdbf1440b740..5a0e6b7b6071 100644
--- a/dts/bindings/spi/atmel,sam-spi.yaml
+++ b/dts/bindings/spi/atmel,sam-spi.yaml
@@ -17,12 +17,12 @@ properties:
       constraint: "atmel,sam-spi"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     peripheral-id:
       type: int
       description: peripheral ID
-      category: required
+      required: true
diff --git a/dts/bindings/spi/atmel,sam0-spi.yaml b/dts/bindings/spi/atmel,sam0-spi.yaml
index 9a5804258ce5..7fd379107538 100644
--- a/dts/bindings/spi/atmel,sam0-spi.yaml
+++ b/dts/bindings/spi/atmel,sam0-spi.yaml
@@ -17,24 +17,24 @@ properties:
       constraint: "atmel,sam0-spi"
 
     reg:
-      category: required
+      required: true
 
     dipo:
       type: int
-      category: required
+      required: true
       description: Data In Pinout
 
     dopo:
       type: int
-      category: required
+      required: true
       description: Data Out Pinout
 
     rxdma:
       type: int
-      category: optional
+      required: false
       description: Receive DMA channel
 
     txdma:
       type: int
-      category: optional
+      required: false
       description: Transmit DMA channel
diff --git a/dts/bindings/spi/intel,intel-spi.yaml b/dts/bindings/spi/intel,intel-spi.yaml
index 15b596aad214..6a58350eeb5d 100644
--- a/dts/bindings/spi/intel,intel-spi.yaml
+++ b/dts/bindings/spi/intel,intel-spi.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "intel,intel-spi"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/spi/nordic,nrf-spi.yaml b/dts/bindings/spi/nordic,nrf-spi.yaml
index 538f5577dd99..e87552dc4caf 100644
--- a/dts/bindings/spi/nordic,nrf-spi.yaml
+++ b/dts/bindings/spi/nordic,nrf-spi.yaml
@@ -17,22 +17,22 @@ properties:
       constraint: "nordic,nrf-spi"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     sck-pin:
       type: int
-      category: required
+      required: true
       description: SCK pin
 
     mosi-pin:
       type: int
-      category: required
+      required: true
       description: MOSI pin
 
     miso-pin:
       type: int
-      category: required
+      required: true
       description: MISO pin
diff --git a/dts/bindings/spi/nordic,nrf-spis.yaml b/dts/bindings/spi/nordic,nrf-spis.yaml
index ddbc1a81b26d..16be90bbad6d 100644
--- a/dts/bindings/spi/nordic,nrf-spis.yaml
+++ b/dts/bindings/spi/nordic,nrf-spis.yaml
@@ -17,34 +17,34 @@ properties:
       constraint: "nordic,nrf-spis"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     sck-pin:
       type: int
-      category: required
+      required: true
       description: SCK pin
 
     mosi-pin:
       type: int
-      category: required
+      required: true
       description: MOSI pin
 
     miso-pin:
       type: int
-      category: required
+      required: true
       description: MISO pin
 
     csn-pin:
       type: int
-      category: required
+      required: true
       description: CSN pin
 
     def-char:
       type: int
-      category: required
+      required: true
       description: >
           Default character. Character clocked out when the slave was not
           provided with buffers and is ignoring the transaction.
diff --git a/dts/bindings/spi/nxp,imx-flexspi.yaml b/dts/bindings/spi/nxp,imx-flexspi.yaml
index b28732387fb0..b7d401c39050 100644
--- a/dts/bindings/spi/nxp,imx-flexspi.yaml
+++ b/dts/bindings/spi/nxp,imx-flexspi.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "nxp,imx-flexspi"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/spi/nxp,imx-lpspi.yaml b/dts/bindings/spi/nxp,imx-lpspi.yaml
index 3afdd73a7baf..9815afcc046d 100644
--- a/dts/bindings/spi/nxp,imx-lpspi.yaml
+++ b/dts/bindings/spi/nxp,imx-lpspi.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "nxp,imx-lpspi"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     clocks:
-      category: required
+      required: true
diff --git a/dts/bindings/spi/nxp,kinetis-dspi.yaml b/dts/bindings/spi/nxp,kinetis-dspi.yaml
index e7381feedc93..282936b96098 100644
--- a/dts/bindings/spi/nxp,kinetis-dspi.yaml
+++ b/dts/bindings/spi/nxp,kinetis-dspi.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "nxp,kinetis-dspi"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     clocks:
-      category: required
+      required: true
diff --git a/dts/bindings/spi/sifive,spi0.yaml b/dts/bindings/spi/sifive,spi0.yaml
index 579b06583a9a..ddbf377c77ed 100644
--- a/dts/bindings/spi/sifive,spi0.yaml
+++ b/dts/bindings/spi/sifive,spi0.yaml
@@ -17,4 +17,4 @@ properties:
       constraint: "sifive,spi0"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/spi/snps,designware-spi.yaml b/dts/bindings/spi/snps,designware-spi.yaml
index 221fdc5f8c94..6fda3e3fadf3 100644
--- a/dts/bindings/spi/snps,designware-spi.yaml
+++ b/dts/bindings/spi/snps,designware-spi.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "snps,designware-spi"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/spi/spi-controller.yaml b/dts/bindings/spi/spi-controller.yaml
index bd9985d2ed22..d25383dcf7bd 100644
--- a/dts/bindings/spi/spi-controller.yaml
+++ b/dts/bindings/spi/spi-controller.yaml
@@ -15,16 +15,16 @@ child:
 properties:
     clock-frequency:
       type: int
-      category: optional
+      required: false
       description: Clock frequency the SPI peripheral is being driven at
     "#address-cells":
-      category: required
+      required: true
       const: 1
     "#size-cells":
-      category: required
+      required: true
       const: 0
     label:
-      category: required
+      required: true
     cs-gpios:
       type: phandle-array
-      category: optional
+      required: false
diff --git a/dts/bindings/spi/spi-device.yaml b/dts/bindings/spi/spi-device.yaml
index 5450edc95f7d..b954a2a3ec90 100644
--- a/dts/bindings/spi/spi-device.yaml
+++ b/dts/bindings/spi/spi-device.yaml
@@ -14,10 +14,10 @@ parent:
 
 properties:
     reg:
-      category: required
+      required: true
     spi-max-frequency:
       type: int
-      category: required
+      required: true
       description: Maximum clock frequency of device's SPI interface in Hz
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/spi/st,stm32-spi-fifo.yaml b/dts/bindings/spi/st,stm32-spi-fifo.yaml
index e86855c76671..a07d6911be6c 100644
--- a/dts/bindings/spi/st,stm32-spi-fifo.yaml
+++ b/dts/bindings/spi/st,stm32-spi-fifo.yaml
@@ -18,7 +18,7 @@ properties:
       constraint: "st,stm32-spi-fifo"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/spi/st,stm32-spi.yaml b/dts/bindings/spi/st,stm32-spi.yaml
index 48ec295b2f3c..9de73e96ee73 100644
--- a/dts/bindings/spi/st,stm32-spi.yaml
+++ b/dts/bindings/spi/st,stm32-spi.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "st,stm32-spi"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/spi/ti,cc13xx-cc26xx-spi.yaml b/dts/bindings/spi/ti,cc13xx-cc26xx-spi.yaml
index c119d6e82a43..bd3278f5a81a 100644
--- a/dts/bindings/spi/ti,cc13xx-cc26xx-spi.yaml
+++ b/dts/bindings/spi/ti,cc13xx-cc26xx-spi.yaml
@@ -17,24 +17,24 @@ properties:
       constraint: "ti,cc13xx-cc26xx-spi"
 
     reg:
-      category: required
+      required: true
 
     sck-pin:
       type: int
-      category: required
+      required: true
       description: SCK pin
 
     mosi-pin:
       type: int
-      category: required
+      required: true
       description: MOSI pin
 
     miso-pin:
       type: int
-      category: required
+      required: true
       description: MISO pin
 
     cs-pin:
       type: int
-      category: optional
+      required: false
       description: CS pin
diff --git a/dts/bindings/sram/mmio-sram.yaml b/dts/bindings/sram/mmio-sram.yaml
index 6c105d4754b5..fd495eaba00a 100644
--- a/dts/bindings/sram/mmio-sram.yaml
+++ b/dts/bindings/sram/mmio-sram.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "mmio-sram"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: optional
+      required: false
diff --git a/dts/bindings/sram/sifive,dtim0.yaml b/dts/bindings/sram/sifive,dtim0.yaml
index c7fb063e12d1..f1b2a8559297 100644
--- a/dts/bindings/sram/sifive,dtim0.yaml
+++ b/dts/bindings/sram/sifive,dtim0.yaml
@@ -17,4 +17,4 @@ properties:
       constraint: "sifive,dtim0"
 
     reg:
-      category: required
+      required: true
diff --git a/dts/bindings/timer/arm,cmsdk-dtimer.yaml b/dts/bindings/timer/arm,cmsdk-dtimer.yaml
index 05ab1b9e5bf4..ebf54fda265e 100644
--- a/dts/bindings/timer/arm,cmsdk-dtimer.yaml
+++ b/dts/bindings/timer/arm,cmsdk-dtimer.yaml
@@ -11,10 +11,10 @@ properties:
       constraint: "arm,cmsdk-dtimer"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/timer/arm,cmsdk-timer.yaml b/dts/bindings/timer/arm,cmsdk-timer.yaml
index 593f54642492..92dec8788433 100644
--- a/dts/bindings/timer/arm,cmsdk-timer.yaml
+++ b/dts/bindings/timer/arm,cmsdk-timer.yaml
@@ -11,10 +11,10 @@ properties:
       constraint: "arm,cmsdk-timer"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/timer/atmel,sam0-tc32.yaml b/dts/bindings/timer/atmel,sam0-tc32.yaml
index 6e2dfe8d8316..f60aa03ad126 100644
--- a/dts/bindings/timer/atmel,sam0-tc32.yaml
+++ b/dts/bindings/timer/atmel,sam0-tc32.yaml
@@ -18,10 +18,10 @@ properties:
     constraint: "atmel,sam0-tc32"
 
   reg:
-    category: required
+    required: true
 
   interrupts:
-    category: required
+    required: true
 
   label:
-    category: required
+    required: true
diff --git a/dts/bindings/timer/litex,timer0.yaml b/dts/bindings/timer/litex,timer0.yaml
index dc94d93102fe..973cb767ebb5 100644
--- a/dts/bindings/timer/litex,timer0.yaml
+++ b/dts/bindings/timer/litex,timer0.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "litex,timer0"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/timer/microchip,xec-rtos-timer.yaml b/dts/bindings/timer/microchip,xec-rtos-timer.yaml
index 53234b0fc5e9..f6c4898bf107 100644
--- a/dts/bindings/timer/microchip,xec-rtos-timer.yaml
+++ b/dts/bindings/timer/microchip,xec-rtos-timer.yaml
@@ -17,11 +17,11 @@ properties:
       constraint: "microchip,xec-rtos-timer"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 ...
diff --git a/dts/bindings/timer/nordic,nrf-timer.yaml b/dts/bindings/timer/nordic,nrf-timer.yaml
index ae29619d45d4..0f7c34e3ae3f 100644
--- a/dts/bindings/timer/nordic,nrf-timer.yaml
+++ b/dts/bindings/timer/nordic,nrf-timer.yaml
@@ -17,15 +17,15 @@ properties:
       constraint: "nordic,nrf-timer"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     prescaler:
       type: int
-      category: required
+      required: true
       description: Prescaler value determines frequency (16MHz/2^prescaler)
diff --git a/dts/bindings/timer/nxp,imx-gpt.yaml b/dts/bindings/timer/nxp,imx-gpt.yaml
index 7fdb325ab2f6..8a112a8fb465 100644
--- a/dts/bindings/timer/nxp,imx-gpt.yaml
+++ b/dts/bindings/timer/nxp,imx-gpt.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "nxp,imx-gpt"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/timer/openisa,rv32m1-lptmr.yaml b/dts/bindings/timer/openisa,rv32m1-lptmr.yaml
index c1ab2038b3ab..8f4afcab5365 100644
--- a/dts/bindings/timer/openisa,rv32m1-lptmr.yaml
+++ b/dts/bindings/timer/openisa,rv32m1-lptmr.yaml
@@ -11,10 +11,10 @@ properties:
       constraint: "openisa,rv32m1-lptmr"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/timer/st,stm32-timers.yaml b/dts/bindings/timer/st,stm32-timers.yaml
index 665a551e407e..c0a3541e9980 100644
--- a/dts/bindings/timer/st,stm32-timers.yaml
+++ b/dts/bindings/timer/st,stm32-timers.yaml
@@ -11,10 +11,10 @@ properties:
       constraint: "st,stm32-timers"
 
     label:
-      category: required
+      required: true
 
     reg:
-      category: required
+      required: true
 
     clocks:
-      category: required
+      required: true
diff --git a/dts/bindings/timer/xlnx,ttcps.yaml b/dts/bindings/timer/xlnx,ttcps.yaml
index dc2d35213925..294b6118f548 100644
--- a/dts/bindings/timer/xlnx,ttcps.yaml
+++ b/dts/bindings/timer/xlnx,ttcps.yaml
@@ -12,13 +12,13 @@ properties:
       constraint: "cdns,ttc"
 
     label:
-      category: required
+      required: true
 
     reg:
-      category: required
+      required: true
 
     clock-frequency:
       type: int
-      category: optional
+      required: false
       description: Clock frequency information for Timer operation
 ...
diff --git a/dts/bindings/usb/atmel,sam-usbhs.yaml b/dts/bindings/usb/atmel,sam-usbhs.yaml
index 60cbfd8ea637..d46c22aadcfb 100644
--- a/dts/bindings/usb/atmel,sam-usbhs.yaml
+++ b/dts/bindings/usb/atmel,sam-usbhs.yaml
@@ -17,12 +17,12 @@ properties:
       constraint: "atmel,sam-usbhs"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     peripheral-id:
       type: int
-      category: required
+      required: true
       description: peripheral ID
diff --git a/dts/bindings/usb/atmel,sam0-usb.yaml b/dts/bindings/usb/atmel,sam0-usb.yaml
index 7fe156aa3aab..ed8e7a036876 100644
--- a/dts/bindings/usb/atmel,sam0-usb.yaml
+++ b/dts/bindings/usb/atmel,sam0-usb.yaml
@@ -11,7 +11,7 @@ properties:
       constraint: "atmel,sam0-usb"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/usb/nordic,nrf-usbd.yaml b/dts/bindings/usb/nordic,nrf-usbd.yaml
index 45f202984bfc..9eb0c9f43a49 100644
--- a/dts/bindings/usb/nordic,nrf-usbd.yaml
+++ b/dts/bindings/usb/nordic,nrf-usbd.yaml
@@ -17,17 +17,17 @@ properties:
       constraint: "nordic,nrf-usbd"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     num-isoin-endpoints:
       type: int
-      category: required
+      required: true
       description: Number of ISOIN endpoints supported by hardware
 
     num-isoout-endpoints:
       type: int
-      category: required
+      required: true
       description: Number of ISOOUT endpoints supported by hardware
diff --git a/dts/bindings/usb/nxp,kinetis-usbd.yaml b/dts/bindings/usb/nxp,kinetis-usbd.yaml
index 609c20ce0e59..ef17c41d8de0 100644
--- a/dts/bindings/usb/nxp,kinetis-usbd.yaml
+++ b/dts/bindings/usb/nxp,kinetis-usbd.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "nxp,kinetis-usbd"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/usb/st,stm32-otgfs.yaml b/dts/bindings/usb/st,stm32-otgfs.yaml
index 85b20a7acbf5..c66a470c1e15 100644
--- a/dts/bindings/usb/st,stm32-otgfs.yaml
+++ b/dts/bindings/usb/st,stm32-otgfs.yaml
@@ -17,21 +17,21 @@ properties:
       constraint: "st,stm32-otgfs"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     ram-size:
       type: int
-      category: required
+      required: true
       description: Size of USB dedicated RAM. STM32 SOC's reference
                    manual defines a shared FIFO size.
 
     phys:
       type: phandle
-      category: optional
+      required: false
       description: PHY provider specifier
 
     clocks:
-      category: required
+      required: true
diff --git a/dts/bindings/usb/st,stm32-otghs.yaml b/dts/bindings/usb/st,stm32-otghs.yaml
index 5cb82e6db878..9f33c4419fac 100644
--- a/dts/bindings/usb/st,stm32-otghs.yaml
+++ b/dts/bindings/usb/st,stm32-otghs.yaml
@@ -17,21 +17,21 @@ properties:
       constraint: "st,stm32-otghs"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     ram-size:
       type: int
-      category: required
+      required: true
       description: Size of USB dedicated RAM. STM32 SOC's reference
                    manual defines a shared FIFO size.
 
     phys:
       type: phandle
-      category: optional
+      required: false
       description: PHY provider specifier
 
     clocks:
-      category: required
+      required: true
diff --git a/dts/bindings/usb/st,stm32-usb.yaml b/dts/bindings/usb/st,stm32-usb.yaml
index d397ebdea89d..1337c8f85f7f 100644
--- a/dts/bindings/usb/st,stm32-usb.yaml
+++ b/dts/bindings/usb/st,stm32-usb.yaml
@@ -17,33 +17,33 @@ properties:
       constraint: "st,stm32-usb"
 
     reg:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     ram-size:
       type: int
-      category: required
+      required: true
       description: Size of USB dedicated RAM. STM32 SOC's reference
                    manual defines USB packet SRAM size.
 
     disconnect-gpios:
       type: phandle-array
-      category: optional
+      required: false
       description: Some boards use a USB DISCONNECT pin to enable
                    the pull-up resistor on USB Data Positive signal.
 
     phys:
       type: phandle
-      category: optional
+      required: false
       description: PHY provider specifier
 
     enable-pin-remap:
       type: boolean
-      category: optional
+      required: false
       description: For STM32F0 series SoCs on QFN28 and TSSOP20 packages
                    enable PIN pair PA11/12 mapped instead of PA9/10 (e.g. stm32f070x6)
 
     clocks:
-      category: required
+      required: true
diff --git a/dts/bindings/usb/usb-controller.yaml b/dts/bindings/usb/usb-controller.yaml
index 47217d64bf0b..74a3a064e601 100644
--- a/dts/bindings/usb/usb-controller.yaml
+++ b/dts/bindings/usb/usb-controller.yaml
@@ -12,7 +12,7 @@ inherits:
 properties:
     maximum-speed:
       type: string
-      category: optional
+      required: false
       description: Configures USB controllers to work up to a specific
                    speed. Valid arguments are "super-speed", "high-speed",
                    "full-speed" and "low-speed". If this is not passed
@@ -25,4 +25,4 @@ properties:
          - "super-speed"
 
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/usb/usb-ep.yaml b/dts/bindings/usb/usb-ep.yaml
index 0c615df23e8f..93471d769b90 100644
--- a/dts/bindings/usb/usb-ep.yaml
+++ b/dts/bindings/usb/usb-ep.yaml
@@ -12,18 +12,18 @@ inherits:
 properties:
     num-bidir-endpoints:
       type: int
-      category: required
+      required: true
       description: Number of bi-directional endpoints supported by hardware
                    (including EP0)
 
     num-in-endpoints:
       type: int
-      category: optional
+      required: false
       description: Number of IN endpoints supported by hardware
                    (including EP0 IN)
 
     num-out-endpoints:
       type: int
-      category: optional
+      required: false
       description: Number of OUT endpoints supported by hardware
                    (including EP0 OUT)
diff --git a/dts/bindings/watchdog/arm,cmsdk-watchdog.yaml b/dts/bindings/watchdog/arm,cmsdk-watchdog.yaml
index fb6c325838ef..d503f9535404 100644
--- a/dts/bindings/watchdog/arm,cmsdk-watchdog.yaml
+++ b/dts/bindings/watchdog/arm,cmsdk-watchdog.yaml
@@ -11,7 +11,7 @@ properties:
       constraint: "arm,cmsdk-watchdog"
 
     reg:
-      category: required
+      required: true
 
     clocks:
-      category: required
+      required: true
diff --git a/dts/bindings/watchdog/atmel,sam-watchdog.yaml b/dts/bindings/watchdog/atmel,sam-watchdog.yaml
index 4e5c89d46bd0..a435efe61bd0 100644
--- a/dts/bindings/watchdog/atmel,sam-watchdog.yaml
+++ b/dts/bindings/watchdog/atmel,sam-watchdog.yaml
@@ -17,15 +17,15 @@ properties:
       constraint: "atmel,sam-watchdog"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     peripheral-id:
       type: int
       description: peripheral ID
-      category: required
+      required: true
diff --git a/dts/bindings/watchdog/atmel,sam0-watchdog.yaml b/dts/bindings/watchdog/atmel,sam0-watchdog.yaml
index 03bbc7fa543d..89549bb93e2a 100644
--- a/dts/bindings/watchdog/atmel,sam0-watchdog.yaml
+++ b/dts/bindings/watchdog/atmel,sam0-watchdog.yaml
@@ -11,10 +11,10 @@ properties:
       constraint: "atmel,sam0-watchdog"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/watchdog/intel,qmsi-watchdog.yaml b/dts/bindings/watchdog/intel,qmsi-watchdog.yaml
index 1c1b40bdb983..1a1b6820901c 100644
--- a/dts/bindings/watchdog/intel,qmsi-watchdog.yaml
+++ b/dts/bindings/watchdog/intel,qmsi-watchdog.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "intel,qmsi-watchdog"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/watchdog/nordic,nrf-watchdog.yaml b/dts/bindings/watchdog/nordic,nrf-watchdog.yaml
index f53b71dc2cf4..8cbb6bdcbfba 100644
--- a/dts/bindings/watchdog/nordic,nrf-watchdog.yaml
+++ b/dts/bindings/watchdog/nordic,nrf-watchdog.yaml
@@ -17,10 +17,10 @@ properties:
       constraint: "nordic,nrf-watchdog"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
diff --git a/dts/bindings/watchdog/nxp,kinetis-wdog.yaml b/dts/bindings/watchdog/nxp,kinetis-wdog.yaml
index 2d0471744191..a6b2cd13d407 100644
--- a/dts/bindings/watchdog/nxp,kinetis-wdog.yaml
+++ b/dts/bindings/watchdog/nxp,kinetis-wdog.yaml
@@ -17,13 +17,13 @@ properties:
       constraint: "nxp,kinetis-wdog"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     clocks:
-      category: required
+      required: true
diff --git a/dts/bindings/watchdog/nxp,kinetis-wdog32.yaml b/dts/bindings/watchdog/nxp,kinetis-wdog32.yaml
index fdb56978f697..df1b4d36394d 100644
--- a/dts/bindings/watchdog/nxp,kinetis-wdog32.yaml
+++ b/dts/bindings/watchdog/nxp,kinetis-wdog32.yaml
@@ -17,23 +17,23 @@ properties:
       constraint: "nxp,kinetis-wdog32"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
 
     interrupts:
-      category: required
+      required: true
 
     clocks:
-      category: required
+      required: true
 
     clk-source:
       type: int
-      category: required
+      required: true
       description: Watchdog counter clock source
 
     clk-divider:
       type: int
       description: Watchdog counter clock divider
-      category: required
+      required: true
diff --git a/dts/bindings/watchdog/st,stm32-watchdog.yaml b/dts/bindings/watchdog/st,stm32-watchdog.yaml
index 4f0619433069..20b8d4c00a00 100644
--- a/dts/bindings/watchdog/st,stm32-watchdog.yaml
+++ b/dts/bindings/watchdog/st,stm32-watchdog.yaml
@@ -17,7 +17,7 @@ properties:
       constraint: "st,stm32-watchdog"
 
     reg:
-      category: required
+      required: true
 
     label:
-      category: required
+      required: true
diff --git a/dts/bindings/wifi/atmel,winc1500.yaml b/dts/bindings/wifi/atmel,winc1500.yaml
index 4b99e622a012..d352460a1039 100644
--- a/dts/bindings/wifi/atmel,winc1500.yaml
+++ b/dts/bindings/wifi/atmel,winc1500.yaml
@@ -18,12 +18,12 @@ properties:
 
     irq-gpios:
       type: phandle-array
-      category: required
+      required: true
 
     reset-gpios:
       type: phandle-array
-      category: required
+      required: true
 
     enable-gpios:
       type: phandle-array
-      category: required
+      required: true
diff --git a/dts/bindings/wifi/inventek,eswifi.yaml b/dts/bindings/wifi/inventek,eswifi.yaml
index 3ef10364e643..0386ed67a59b 100644
--- a/dts/bindings/wifi/inventek,eswifi.yaml
+++ b/dts/bindings/wifi/inventek,eswifi.yaml
@@ -18,16 +18,16 @@ properties:
 
     resetn-gpios:
       type: phandle-array
-      category: required
+      required: true
 
     data-gpios:
       type: phandle-array
-      category: required
+      required: true
 
     wakeup-gpios:
       type: phandle-array
-      category: optional
+      required: false
 
     boot0-gpios:
       type: phandle-array
-      category: optional
+      required: false
diff --git a/scripts/dts/edtlib.py b/scripts/dts/edtlib.py
index 226a75ca0967..e13210b46bdc 100644
--- a/scripts/dts/edtlib.py
+++ b/scripts/dts/edtlib.py
@@ -567,11 +567,10 @@ def _init_prop(self, name, options):
         if not prop_type:
             _err("'{}' in {} lacks 'type'".format(name, self.binding_path))
 
-        val = self._prop_val(name, prop_type,
-                             options.get("category") == "optional")
+        val = self._prop_val(name, prop_type, options.get("required"))
         if val is None:
-            # 'category: optional' property that wasn't there, or a property
-            # type for which we store no data.
+            # 'required: false' property that wasn't there, or a property type
+            # for which we store no data.
             return
 
         enum = options.get("enum")
@@ -605,7 +604,7 @@ def _init_prop(self, name, options):
 
         self.props[name] = prop
 
-    def _prop_val(self, name, prop_type, optional):
+    def _prop_val(self, name, prop_type, required):
         # _init_prop() helper for getting the property's value
 
         node = self._node
@@ -621,7 +620,7 @@ def _prop_val(self, name, prop_type, optional):
             return True
 
         if not prop:
-            if not optional and self.enabled:
+            if required and self.enabled:
                 _err("'{}' is marked as required in 'properties:' in {}, but "
                      "does not appear in {!r}".format(
                          name, self.binding_path, node))
@@ -1225,10 +1224,14 @@ def _bad_overwrite(to_dict, from_dict, prop):
     if to_dict[prop] == from_dict[prop]:
         return False
 
+    # Don't error out for the removed 'category' setting here. We will give a
+    # better error message in _check_binding().
+    if prop == "category":
+        return False
+
     # Allow a property to be made required when it previously was optional
     # without a warning
-    if prop == "category" and to_dict["category"] == "required" and \
-                              from_dict["category"] == "optional":
+    if prop == "required" and to_dict[prop] and not from_dict[prop]:
         return False
 
     return True
@@ -1281,23 +1284,28 @@ def _check_binding_properties(binding, binding_path):
     if "properties" not in binding:
         return
 
-    ok_prop_keys = {"description", "type", "category", "constraint", "enum",
+    ok_prop_keys = {"description", "type", "required", "constraint", "enum",
                     "const"}
-    ok_categories = {"required", "optional"}
 
     for prop_name, options in binding["properties"].items():
         for key in options:
+            if key == "category":
+                _err("please put 'required: {}' instead of 'category: {}' in "
+                     "'properties: {}: ...' in {} - 'category' has been "
+                     "removed".format(
+                         "true" if options["category"] == "required" else "false",
+                         options["category"], prop_name, binding_path))
+
             if key not in ok_prop_keys:
                 _err("unknown setting '{}' in 'properties: {}: ...' in {}, "
                      "expected one of {}".format(
                          key, prop_name, binding_path,
                          ", ".join(ok_prop_keys)))
 
-        if "category" in options and options["category"] not in ok_categories:
-            _err("unrecognized category '{}' for '{}' in 'properties' in {}, "
-                 "expected one of {}".format(
-                     options["category"], prop_name, binding_path,
-                     ", ".join(ok_categories)))
+        if "required" in options and not isinstance(options["required"], bool):
+            _err("malformed 'required:' setting '{}' for '{}' in 'properties' "
+                 "in {}, expected true/false"
+                 .format(options["required"], prop_name, binding_path))
 
         if "description" in options and \
            not isinstance(options["description"], str):
diff --git a/scripts/dts/extract_dts_includes.py b/scripts/dts/extract_dts_includes.py
index b3b0b9c20020..bdce7efc16dd 100755
--- a/scripts/dts/extract_dts_includes.py
+++ b/scripts/dts/extract_dts_includes.py
@@ -205,20 +205,6 @@ def merge_properties(parent, fname, to_dict, from_dict):
         else:
             to_dict[k] = from_dict[k]
 
-            # Warn when overriding a property and changing its value...
-            if (k in to_dict and to_dict[k] != from_dict[k] and
-                # ...unless it's the 'title', 'description', or 'version'
-                # property. These are overridden deliberately.
-                not k in {'title', 'version', 'description'} and
-                # Also allow the category to be changed from 'optional' to
-                # 'required' without a warning
-                not (k == "category" and to_dict[k] == "optional" and
-                     from_dict[k] == "required")):
-
-                print("extract_dts_includes.py: {}('{}') merge of property "
-                      "'{}': '{}' overwrites '{}'"
-                      .format(fname, parent, k, from_dict[k], to_dict[k]))
-
 
 def merge_included_bindings(fname, node):
     # Recursively merges properties from files !include'd from the 'inherits'
diff --git a/scripts/dts/test-bindings/child.yaml b/scripts/dts/test-bindings/child.yaml
index e500e6ea179b..669562f1af2a 100644
--- a/scripts/dts/test-bindings/child.yaml
+++ b/scripts/dts/test-bindings/child.yaml
@@ -5,5 +5,5 @@ inherits:
 
 properties:
     bar:
-        category: required
+        required: true
         type: int
diff --git a/scripts/dts/test-bindings/grandchild.yaml b/scripts/dts/test-bindings/grandchild.yaml
index 8ddb93ebf995..249158f52397 100644
--- a/scripts/dts/test-bindings/grandchild.yaml
+++ b/scripts/dts/test-bindings/grandchild.yaml
@@ -2,9 +2,9 @@
 
 properties:
     foo:
-        category: optional
+        required: false
         type: int
 
     baz:
-        category: required
+        required: true
         type: int
diff --git a/scripts/dts/test-bindings/parent.yaml b/scripts/dts/test-bindings/parent.yaml
index 348f372adfa9..40a07a59850e 100644
--- a/scripts/dts/test-bindings/parent.yaml
+++ b/scripts/dts/test-bindings/parent.yaml
@@ -12,6 +12,6 @@ properties:
         type: string-array
 
     foo:
-        # Changed from "optional" in grandchild.yaml
-        category: required
+        # Changed from not being required in grandchild.yaml
+        required: true
         # Type set in grandchild
diff --git a/scripts/dts/test-bindings/sub-node-parent.yaml b/scripts/dts/test-bindings/sub-node-parent.yaml
index 8aa6c5058c8d..bf6317dd0dda 100644
--- a/scripts/dts/test-bindings/sub-node-parent.yaml
+++ b/scripts/dts/test-bindings/sub-node-parent.yaml
@@ -11,9 +11,9 @@ properties:
 sub-node:
     properties:
         foo:
-            category: required
+            required: true
             type: int
 
         bar:
-            category: required
+            required: true
             type: int