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Commit 82838e6f authored by Neil Armstrong's avatar Neil Armstrong Committed by Kevin Hilman
Browse files

ARM64: dts: meson-gx: Add Buttons to Q200 and P230 boards 



This patch adds support for the P230 and Q200 ADC laddered button and
GPIO button.

Signed-off-by: default avatarNeil Armstrong <narmstrong@baylibre.com>
Signed-off-by: default avatarKevin Hilman <khilman@baylibre.com>
parent 9ded9b0f

arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p230.dts

+40 −0
Original line number Diff line number Diff line
@@ -43,12 +43,47 @@ 


/dts-v1/;



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



#include "meson-gxl-s905d.dtsi"

#include "meson-gx-p23x-q20x.dtsi"



/ {

	compatible = "amlogic,p230", "amlogic,s905d", "amlogic,meson-gxl";

	model = "Amlogic Meson GXL (S905D) P230 Development Board";



	adc-keys {

		compatible = "adc-keys";

		io-channels = <&saradc 0>;

		io-channel-names = "buttons";

		keyup-threshold-microvolt = <1710000>;



		button-function {

			label = "Update";

			linux,code = <KEY_VENDOR>;

			press-threshold-microvolt = <10000>;

		};

	};



	gpio-keys-polled {

		compatible = "gpio-keys-polled";

		#address-cells = <1>;

		#size-cells = <0>;

		poll-interval = <100>;



		button@0 {

			label = "power";

			linux,code = <KEY_POWER>;

			gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;

		};

	};



	vddio_ao18: regulator-vddio_ao18 {

		compatible = "regulator-fixed";

		regulator-name = "VDDIO_AO18";

		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <1800000>;

	};

};



/* P230 has exclusive choice between internal or external PHY */
@@ -77,3 +112,8 @@ 
		max-speed = <1000>;

	};

};



&saradc {

	status = "okay";

	vref-supply = <&vddio_ao18>;

};

arch/arm64/boot/dts/amlogic/meson-gxm-q200.dts

+40 −0
Original line number Diff line number Diff line
@@ -43,12 +43,47 @@ 


/dts-v1/;



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



#include "meson-gxm.dtsi"

#include "meson-gx-p23x-q20x.dtsi"



/ {

	compatible = "amlogic,q200", "amlogic,s912", "amlogic,meson-gxm";

	model = "Amlogic Meson GXM (S912) Q200 Development Board";



	adc-keys {

		compatible = "adc-keys";

		io-channels = <&saradc 0>;

		io-channel-names = "buttons";

		keyup-threshold-microvolt = <1710000>;



		button-function {

			label = "Update";

			linux,code = <KEY_VENDOR>;

			press-threshold-microvolt = <10000>;

		};

	};



	gpio-keys-polled {

		compatible = "gpio-keys-polled";

		#address-cells = <1>;

		#size-cells = <0>;

		poll-interval = <100>;



		button@0 {

			label = "power";

			linux,code = <KEY_POWER>;

			gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;

		};

	};



	vddio_ao18: regulator-vddio_ao18 {

		compatible = "regulator-fixed";

		regulator-name = "VDDIO_AO18";

		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <1800000>;

	};

};



/* Q200 has exclusive choice between internal or external PHY */
@@ -77,3 +112,8 @@ 
		max-speed = <1000>;

	};

};



&saradc {

	status = "okay";

	vref-supply = <&vddio_ao18>;

};