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Commit 59686a92 authored by Thierry Reding's avatar Thierry Reding
Browse files

arm64: tegra: Add GPIO keys on P2771 



The P2771 has three keys (power, volume up and volume down) that are
connected to pins on the AON GPIO controller.

Acked-by: default avatarJon Hunter <jonathanh@nvidia.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent b64994d1

arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts

+34 −0
Original line number Diff line number Diff line 
/dts-v1/;



#include <dt-bindings/input/linux-event-codes.h>



#include "tegra186-p3310.dtsi"



/ {
@@ -13,6 +15,38 @@ 
		vmmc-supply = <&vdd_sd>;

	};



	gpio-keys {

		compatible = "gpio-keys";



		power {

			label = "Power";

			gpios = <&gpio_aon TEGRA_AON_GPIO(FF, 0)

					   GPIO_ACTIVE_LOW>;

			linux,input-type = <EV_KEY>;

			linux,code = <KEY_POWER>;

			debounce-interval = <10>;

			wakeup-source;

		};



		volume-up {

			label = "Volume Up";

			gpios = <&gpio_aon TEGRA_AON_GPIO(FF, 1)

					   GPIO_ACTIVE_LOW>;

			linux,input-type = <EV_KEY>;

			linux,code = <KEY_VOLUMEUP>;

			debounce-interval = <10>;

		};



		volume-down {

			label = "Volume Down";

			gpios = <&gpio_aon TEGRA_AON_GPIO(FF, 2)

					   GPIO_ACTIVE_LOW>;

			linux,input-type = <EV_KEY>;

			linux,code = <KEY_VOLUMEDOWN>;

			debounce-interval = <10>;

		};

	};



	regulators {

		vdd_sd: regulator@100 {

			compatible = "regulator-fixed";