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Commit aabe5d2d authored by Jerome Brunet's avatar Jerome Brunet Committed by Kevin Hilman
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ARM64: dts: meson-axg: add adc buttons the S400 



Add the 6 adc buttons of the amlogic S400

Signed-off-by: default avatarJerome Brunet <jbrunet@baylibre.com>
Signed-off-by: default avatarKevin Hilman <khilman@baylibre.com>
parent 65b7591a

arch/arm64/boot/dts/amlogic/meson-axg-s400.dts

+44 −0
Original line number Diff line number Diff line
@@ -6,11 +6,55 @@ 
/dts-v1/;



#include "meson-axg.dtsi"

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



/ {

	compatible = "amlogic,s400", "amlogic,a113d", "amlogic,meson-axg";

	model = "Amlogic Meson AXG S400 Development Board";



	adc_keys {

		compatible = "adc-keys";

		io-channels = <&saradc 0>;

		io-channel-names = "buttons";

		keyup-threshold-microvolt = <1800000>;



		button-next {

			label = "Next";

			linux,code = <KEY_NEXT>;

			press-threshold-microvolt = <1116000>; /* 62% */

		};



		button-prev {

			label = "Previous";

			linux,code = <KEY_PREVIOUS>;

			press-threshold-microvolt = <900000>; /* 50% */

		};



		button-wifi {

			label = "Wifi";

			linux,code = <KEY_WLAN>;

			press-threshold-microvolt = <684000>; /* 38% */

		};



		button-up {

			label = "Volume Up";

			linux,code = <KEY_VOLUMEUP>;

			press-threshold-microvolt = <468000>; /* 26% */

		};



		button-down {

			label = "Volume Down";

			linux,code = <KEY_VOLUMEDOWN>;

			press-threshold-microvolt = <252000>; /* 14% */

		};



		button-voice {

			label = "Voice";

			linux,code = <KEY_VOICECOMMAND>;

			press-threshold-microvolt = <0>; /* 0% */

		};

	};



	aliases {

		serial0 = &uart_AO;

		serial1 = &uart_A;