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List:       linux-omap
Subject:    [PATCH 3/3] ARM: dts: dra7-evm: add gpio key support
From:       Grygorii Strashko <grygorii.strashko () ti ! com>
Date:       2015-08-27 15:20:47
Message-ID: 1440688847-23057-4-git-send-email-grygorii.strashko () ti ! com
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dra7-evm has 2 gpio keys wired through TS_LCD_GPIO3, TS_LCD_GPIO4
which in turn connected to PCF8575 GPIO pcf_lcd: gpio@20 expander
pins 2 and 3.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
---
 arch/arm/boot/dts/dra7-evm.dts | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts
index a9dd2ee..7e64d9f 100644
--- a/arch/arm/boot/dts/dra7-evm.dts
+++ b/arch/arm/boot/dts/dra7-evm.dts
@@ -9,6 +9,7 @@
 
 #include "dra74x.dtsi"
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
 
 / {
 	model = "TI DRA742";
@@ -82,6 +83,25 @@
 			default-state = "off";
 		};
 	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		autorepeat;
+
+		USER1 {
+			label = "btnUser1";
+			linux,code = <BTN_0>;
+			gpios = <&pcf_lcd 2 GPIO_ACTIVE_LOW>;
+		};
+
+		USER2 {
+			label = "btnUser2";
+			linux,code = <BTN_1>;
+			gpios = <&pcf_lcd 3 GPIO_ACTIVE_LOW>;
+		};
+	};
 };
 
 &dra7_pmx_core {
-- 
2.5.0

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