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ARM: dts: silk: Add GPIO keys to DT

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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@opensource.se>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Magnus Damm 2018-02-19 20:49:51 +09:00 committed by Simon Horman
parent 7f8f74cd8d
commit a24a5821a6
1 changed files with 55 additions and 0 deletions
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55
arch/arm/boot/dts/r8a7794-silk.dts
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@ -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 @@ memory@40000000 {
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";