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@xxxxxx>
---
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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