linux-kernel - [PATCH 2/2] ARM: dts: stm32: add UserPA13 button on stm32mp135f-dk

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Date:   Tue, 3 May 2022 11:41:33 +0200
From:   Fabien Dessenne <fabien.dessenne@...s.st.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     Fabien Dessenne <fabien.dessenne@...s.st.com>
Subject: [PATCH 2/2] ARM: dts: stm32: add UserPA13 button on stm32mp135f-dk

The PA13 user button is connected to the PA13 pin of the stm32mp135f-dk
board. It requires an internal pull-up configuration.

Signed-off-by: Fabien Dessenne <fabien.dessenne@...s.st.com>
---
 arch/arm/boot/dts/stm32mp135f-dk.dts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp135f-dk.dts b/arch/arm/boot/dts/stm32mp135f-dk.dts
index 65acee0f68b7..09d6226d598f 100644
--- a/arch/arm/boot/dts/stm32mp135f-dk.dts
+++ b/arch/arm/boot/dts/stm32mp135f-dk.dts
@@ -7,6 +7,7 @@
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
 #include <dt-bindings/leds/common.h>
 #include "stm32mp135.dtsi"
 #include "stm32mp13xf.dtsi"
@@ -25,6 +26,16 @@ memory@...00000 {
 		reg = <0xc0000000 0x20000000>;
 	};
 
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		user-pa13 {
+			label = "User-PA13";
+			linux,code = <BTN_1>;
+			gpios = <&gpioa 13 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
+		};
+	};
+
 	leds {
 		compatible = "gpio-leds";
 
-- 
2.25.1