From: Chen Wang <unicorn_wang@outlook.com>
Date: Tue, 8 Oct 2024 01:43:52 +0000 (+0800)
Subject: riscv: sophgo: dts: add power key for pioneer box
X-Git-Tag: v6.13-rc1~140^2~19^2~3
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=128bded4bc5253b94c66acd63bef03f16148ae4f;p=thirdparty%2Fkernel%2Flinux.git

riscv: sophgo: dts: add power key for pioneer box

There is a power button on the front panel of the pioneer box.
Short pressing the button will trigger the onboard MCU to
notify SG2042 through GPIO22 to enter the power-off process.

Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Link: https://lore.kernel.org/r/12e65a99f1b52c52b7372e900a203063b30c74b5.1728350655.git.unicorn_wang@outlook.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
---

diff --git a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
index a3f9d6f225665..be596d01ff8d3 100644
--- a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
+++ b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
@@ -5,6 +5,9 @@
 
 #include "sg2042.dtsi"
 
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
 / {
 	model = "Milk-V Pioneer";
 	compatible = "milkv,pioneer", "sophgo,sg2042";
@@ -12,6 +15,18 @@
 	chosen {
 		stdout-path = "serial0";
 	};
+
+	gpio-power {
+		compatible = "gpio-keys";
+
+		key-power {
+			label = "Power Key";
+			linux,code = <KEY_POWER>;
+			gpios = <&port0a 22 GPIO_ACTIVE_HIGH>;
+			linux,input-type = <EV_KEY>;
+			debounce-interval = <100>;
+		};
+	};
 };
 
 &cgi_main {