linux-kernel - [PATCH v2 10/14] arm64: dts: rockchip: add gpio-keys to Qnap-TS433

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Message-Id: <20240721173723.919961-11-heiko@sntech.de>
Date: Sun, 21 Jul 2024 19:37:19 +0200
From: Heiko Stuebner <heiko@...ech.de>
To: heiko@...ech.de
Cc: ukleinek@...ian.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 10/14] arm64: dts: rockchip: add gpio-keys to Qnap-TS433

The TS433 has 3 buttons, power and copy in the front as well as a reset
pinhole button on the back. The power-button is connected to the embedded
controller while the other two buttons are just gpio connected.

Add the gpio-keys definition for the two buttons we can handle right now.

Signed-off-by: Heiko Stuebner <heiko@...ech.de>
---
 .../boot/dts/rockchip/rk3568-qnap-ts433.dts   | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-qnap-ts433.dts b/arch/arm64/boot/dts/rockchip/rk3568-qnap-ts433.dts
index 02fa46beb6371..c593a9c2313a3 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-qnap-ts433.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-qnap-ts433.dts
@@ -6,6 +6,7 @@
 
 /dts-v1/;
 
+#include <dt-bindings/input/input.h>
 #include <dt-bindings/leds/common.h>
 #include <dt-bindings/gpio/gpio.h>
 #include "rk3568.dtsi"
@@ -23,6 +24,24 @@ chosen: chosen {
 		stdout-path = "serial2:115200n8";
 	};
 
+	keys {
+		compatible = "gpio-keys";
+		pinctrl-0 = <&copy_button_pin>, <&reset_button_pin>;
+		pinctrl-names = "default";
+
+		key-copy {
+			label = "copy";
+			gpios = <&gpio0 RK_PB6 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_COPY>;
+		};
+
+		key-reset {
+			label = "reset";
+			gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RESTART>;
+		};
+	};
+
 	leds {
 		compatible = "gpio-leds";
 
@@ -199,6 +218,16 @@ &pcie3x2 {
 };
 
 &pinctrl {
+	keys {
+		copy_button_pin: copy-button-pin {
+			rockchip,pins = <0 RK_PB6 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+
+		reset_button_pin: reset-button-pin {
+			rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+
 	leds {
 		hdd1_led_pin: hdd1-led-pin {
 			rockchip,pins = <1 RK_PD5 RK_FUNC_GPIO &pcfg_pull_up>;
-- 
2.39.2