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Commit 23c0c210 authored by Randy Li's avatar Randy Li Committed by Heiko Stuebner
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ARM: dts: rockchip: add adc button for Firefly 



The only adc button connected to adc input is recovery button.

Signed-off-by: default avatarRandy Li <ayaka@soulik.info>
Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent 08e779e5

arch/arm/boot/dts/rk3288-firefly-reload.dts

+17 −0
Original line number Diff line number Diff line
@@ -48,6 +48,19 @@ 
	model = "Firefly-RK3288-reload";

	compatible = "firefly,firefly-rk3288-reload", "rockchip,rk3288";



	adc-keys {

		compatible = "adc-keys";

		io-channels = <&saradc 1>;

		io-channel-names = "buttons";

		keyup-threshold-microvolt = <1800000>;



		button-recovery {

			label = "Recovery";

			linux,code = <KEY_VENDOR>;

			press-threshold-microvolt = <0>;

		};

	};



	gpio-keys {

		compatible = "gpio-keys";
@@ -246,6 +259,10 @@ 
	status = "okay";

};



&saradc {

	status = "okay";

};



&sdmmc {

	bus-width = <4>;

	cap-mmc-highspeed;

arch/arm/boot/dts/rk3288-firefly.dtsi

+13 −0
Original line number Diff line number Diff line
@@ -49,6 +49,19 @@ 
		reg = <0 0x80000000>;

	};



	adc-keys {

		compatible = "adc-keys";

		io-channels = <&saradc 1>;

		io-channel-names = "buttons";

		keyup-threshold-microvolt = <1800000>;



		button-recovery {

			label = "Recovery";

			linux,code = <KEY_VENDOR>;

			press-threshold-microvolt = <0>;

		};

	};



	dovdd_1v8: dovdd-1v8-regulator {

		compatible = "regulator-fixed";

		regulator-name = "dovdd_1v8";