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overlays: Add MAX22007 #3055

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overlays: Add MAX22007 #3055

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55 changes: 55 additions & 0 deletions arch/arm/boot/dts/overlays/rpi-max22007-overlay.dts
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Original file line number Diff line number Diff line change
@@ -0,0 +1,55 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Analog Devices MAX22007
*
* Copyright (C) 2025 Analog Devices Inc.
*/

/dts-v1/;
/plugin/;

#include <dt-bindings/gpio/gpio.h>

&spi0 {
status = "okay";

max22007: max22007@0 {
compatible = "adi,max22007";
reg = <0>;
spi-max-frequency = <500000>;
spi-cpha;
spi-cpol;
status = "okay";
reset-gpios = <&gpio 19 GPIO_ACTIVE_LOW>;
#address-cells = <1>;
#size-cells = <0>;

channel@0 {
reg = <0>;
adi,type = "voltage";
};

channel@1 {
reg = <1>;
adi,type = "current";
};

channel@2 {
reg = <2>;
adi,type = "voltage";
};

channel@3 {
reg = <3>;
adi,type = "voltage";
};
};

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(avoid_default_addr_size): /fragment@0/__overlay__/max22007@0: Relying on default #size-cells value

Check warning on line 46 in arch/arm/boot/dts/overlays/rpi-max22007-overlay.dts

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GitHub Actions / build_gcc_arm / build 

(avoid_default_addr_size): /fragment@0/__overlay__/max22007@0: Relying on default #address-cells value
};

&spidev0 {
status = "disabled";
};

&spidev1 {
status = "disabled";
};