linux-kernel - [PATCH] ARM: dts: stm32: Add push button to stm32f769 Discovery board

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Date:   Wed, 17 Jan 2018 10:40:05 +0100
From:   Benjamin Gaignard <benjamin.gaignard@...aro.org>
To:     robh+dt@...nel.org, mark.rutland@....com, linux@...linux.org.uk,
        mcoquelin.stm32@...il.com, alexandre.torgue@...com
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Benjamin Gaignard <benjamin.gaignard@...com>
Subject: [PATCH] ARM: dts: stm32: Add push button to stm32f769 Discovery board

Add node for user push button.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...com>
---
 arch/arm/boot/dts/stm32f769-disco.dts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm/boot/dts/stm32f769-disco.dts b/arch/arm/boot/dts/stm32f769-disco.dts
index 25a4b71f0317..8b3e1b518570 100644
--- a/arch/arm/boot/dts/stm32f769-disco.dts
+++ b/arch/arm/boot/dts/stm32f769-disco.dts
@@ -71,6 +71,18 @@
 			gpios = <&gpioj 13 0>;
 		};
 	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		autorepeat;
+		button@0 {
+			label = "User";
+			linux,code = <KEY_HOME>;
+			gpios = <&gpioa 0 0>;
+		};
+	};
 };
 
 &cec {
-- 
2.15.0