linux-kernel - [PATCH v3 10/21] arm64: dts: hi3660: add power key dts node

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Message-Id: <20170614082338.15673-11-guodong.xu@linaro.org>
Date:   Wed, 14 Jun 2017 16:23:27 +0800
From:   Guodong Xu <guodong.xu@...aro.org>
To:     robh+dt@...nel.org, mark.rutland@....com, xuwei5@...ilicon.com,
        catalin.marinas@....com, will.deacon@....com,
        wangkefeng.wang@...wei.com, xuejiancheng@...ilicon.com,
        peter.griffin@...aro.org, puck.chen@...ilicon.com,
        lee.jones@...aro.org, ulf.hansson@...aro.org, bhelgaas@...gle.com,
        arnd@...db.de
Cc:     zhangfei.gao@...aro.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mmc@...r.kernel.org, linux-pci@...r.kernel.org,
        Chen Jun <chenjun14@...wei.com>,
        John Stultz <john.stultz@...aro.org>,
        Guodong Xu <guodong.xu@...aro.org>
Subject: [PATCH v3 10/21] arm64: dts: hi3660: add power key dts node

From: Chen Jun <chenjun14@...wei.com>

We use gpio_034 as power key on hikey960, and set gpio with pull-up
state, when key press the voltage on the gpio will come to lower, and
power key event will be reported.

Signed-off-by: Chen Jun <chenjun14@...wei.com>
Signed-off-by: John Stultz <john.stultz@...aro.org>
Signed-off-by: Guodong Xu <guodong.xu@...aro.org>
---
 arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
index c25fff9..7aac35b 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
@@ -10,6 +10,8 @@
 #include "hi3660.dtsi"
 #include "hikey960-pinctrl.dtsi"
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
 
 / {
 	model = "HiKey960";
@@ -34,6 +36,19 @@
 		/* rewrite this at bootloader */
 		reg = <0x0 0x0 0x0 0x0>;
 	};
+
+	keys {
+		compatible = "gpio-keys";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pwr_key_pmx_func &pwr_key_cfg_func>;
+
+		power {
+			wakeup-source;
+			gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
+			label = "GPIO Power";
+			linux,code = <KEY_POWER>;
+		};
+	};
 };
 
 &i2c0 {
-- 
2.10.2