Commit 4a8cd5cb authored by Vahe Grigoryan's avatar Vahe Grigoryan Committed by Heiko Stuebner
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arm64: dts: rockchip: make use gpio-keys for buttons on puma-haikou 



Haikou is an evaluation and development platform for System on
Modules (SOMs).

Haikou devkit exposes multiple buttons so let's register them as
such so that the input subsystem can generate events when pressed or
switched.

Signed-off-by: default avatarVahe Grigoryan <vahe.grigoryan@theobroma-systems.com>
Link: https://lore.kernel.org/r/20231214122801.3144180-3-vahe.grigoryan@theobroma-systems.com


Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent 39d95566

arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts

+35 −5
Original line number Diff line number Diff line
@@ -5,6 +5,7 @@ 


/dts-v1/;

#include "rk3399-puma.dtsi"

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



/ {

	model = "Theobroma Systems RK3399-Q7 SoM";
@@ -18,6 +19,38 @@ chosen { 
		stdout-path = "serial0:115200n8";

	};



	gpio-keys {

		compatible = "gpio-keys";

		pinctrl-0 = <&haikou_keys_pin>;

		pinctrl-names = "default";



		button-batlow-n {

			gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>;

			label = "BATLOW#";

			linux,code = <KEY_BATTERY>;

		};



		button-slp-btn-n {

			gpios = <&gpio0 RK_PB3 GPIO_ACTIVE_LOW>;

			label = "SLP_BTN#";

			linux,code = <KEY_SLEEP>;

		};



		button-wake-n {

			gpios = <&gpio0 RK_PB1 GPIO_ACTIVE_LOW>;

			label = "WAKE#";

			linux,code = <KEY_WAKEUP>;

			wakeup-source;

		};



		switch-lid-btn-n {

			gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_LOW>;

			label = "LID_BTN#";

			linux,code = <SW_LID>;

			linux,input-type = <EV_SW>;

		};

	};



	leds {

		pinctrl-0 = <&module_led_pin>, <&sd_card_led_pin>;
@@ -165,11 +198,8 @@ &pcie0 { 
};



&pinctrl {

	pinctrl-names = "default";

	pinctrl-0 = <&haikou_pin_hog>;



	hog {

		haikou_pin_hog: haikou-pin-hog {

	buttons {

		haikou_keys_pin: haikou-keys-pin {

			rockchip,pins =

			  /* LID_BTN */

			  <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_up>,