From: Magnus Damm <damm+renesas@xxxxxxxxxxxxx>
Extend the Silk board support to include SW3, SW4, SW6 and SW12. They
are all connected via GPIO lines and handled by the gpio-keys driver.
Signed-off-by: Magnus Damm <damm+renesas@xxxxxxxxxxxxx>
---
arch/arm/boot/dts/r8a7794-silk.dts | 55 ++++++++++++++++++++++++++++++++++++
1 file changed, 55 insertions(+)
--- 0002/arch/arm/boot/dts/r8a7794-silk.dts
+++ work/arch/arm/boot/dts/r8a7794-silk.dts 2018-02-19 20:24:48.960607110 +0900
@@ -24,6 +24,7 @@
/dts-v1/;
#include "r8a7794.dtsi"
#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
/ {
model = "SILK";
@@ -45,6 +46,60 @@
reg = <0 0x40000000 0 0x40000000>;
};
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ key-3 {
+ gpios = <&gpio5 10 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_3>;
+ label = "SW3";
+ wakeup-source;
+ debounce-interval = <20>;
+ };
+ key-4 {
+ gpios = <&gpio5 11 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_4>;
+ label = "SW4";
+ wakeup-source;
+ debounce-interval = <20>;
+ };
+ key-6 {
+ gpios = <&gpio5 12 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_6>;
+ label = "SW6";
+ wakeup-source;
+ debounce-interval = <20>;
+ };
+ key-a {
+ gpios = <&gpio3 9 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_A>;
+ label = "SW12-1";
+ wakeup-source;
+ debounce-interval = <20>;
+ };
+ key-b {
+ gpios = <&gpio3 10 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_B>;
+ label = "SW12-2";
+ wakeup-source;
+ debounce-interval = <20>;
+ };
+ key-c {
+ gpios = <&gpio3 11 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_C>;
+ label = "SW12-3";
+ wakeup-source;
+ debounce-interval = <20>;
+ };
+ key-d {
+ gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_D>;
+ label = "SW12-4";
+ wakeup-source;
+ debounce-interval = <20>;
+ };
+ };
+
d3_3v: regulator-d3-3v {
compatible = "regulator-fixed";
regulator-name = "D3.3V";
