linux-kernel - [PATCH v4 8/9] ARM: dts: Declare push button as GPIO key on stm32f429 boards

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Date:   Tue, 6 Sep 2016 18:45:40 +0200
From:   Alexandre TORGUE <alexandre.torgue@...com>
To:     Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <marc.zyngier@....com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>, <linux-gpio@...r.kernel.org>,
        <arnd@...db.de>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        <bruherrera@...il.com>, <lee.jones@...aro.org>
Subject: [PATCH v4 8/9] ARM: dts: Declare push button as GPIO key on stm32f429 boards

Signed-off-by: Maxime Coquelin <mcoquelin.stm32@...il.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@...com>

diff --git a/arch/arm/boot/dts/stm32429i-eval.dts b/arch/arm/boot/dts/stm32429i-eval.dts
index 6bfc595..0fd78e4 100644
--- a/arch/arm/boot/dts/stm32429i-eval.dts
+++ b/arch/arm/boot/dts/stm32429i-eval.dts
@@ -47,6 +47,7 @@
 
 /dts-v1/;
 #include "stm32f429.dtsi"
+#include <dt-bindings/input/input.h>
 
 / {
 	model = "STMicroelectronics STM32429i-EVAL board";
@@ -82,6 +83,23 @@
 		};
 	};
 
+	gpio_keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		autorepeat;
+		button@0 {
+			label = "Wake up";
+			linux,code = <KEY_WAKEUP>;
+			gpios = <&gpioa 0 0>;
+		};
+		button@1 {
+			label = "Tamper";
+			linux,code = <KEY_RESTART>;
+			gpios = <&gpioc 13 0>;
+		};
+	};
+
 	usbotg_hs_phy: usbphy {
 		#phy-cells = <0>;
 		compatible = "usb-nop-xceiv";
diff --git a/arch/arm/boot/dts/stm32f429-disco.dts b/arch/arm/boot/dts/stm32f429-disco.dts
index 0140807..7d0415e 100644
--- a/arch/arm/boot/dts/stm32f429-disco.dts
+++ b/arch/arm/boot/dts/stm32f429-disco.dts
@@ -47,6 +47,7 @@
 
 /dts-v1/;
 #include "stm32f429.dtsi"
+#include <dt-bindings/input/input.h>
 
 / {
 	model = "STMicroelectronics STM32F429i-DISCO board";
@@ -75,6 +76,18 @@
 			linux,default-trigger = "heartbeat";
 		};
 	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		autorepeat;
+		button@0 {
+			label = "User";
+			linux,code = <KEY_HOME>;
+			gpios = <&gpioa 0 0>;
+		};
+	};
 };
 
 &clk_hse {
-- 
1.9.1