The SW1 button can be used as a simple one-button keyboard and is connected to PD17.
Note: SW1 has a second meaning to change the boot sequence when pressed while powering on.
Signed-off-by: H. Nikolaus Schaller hns@goldelico.com --- arch/mips/boot/dts/ingenic/ci20.dts | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts index b4a820313992..8f9d182566db 100644 --- a/arch/mips/boot/dts/ingenic/ci20.dts +++ b/arch/mips/boot/dts/ingenic/ci20.dts @@ -4,6 +4,7 @@ #include "jz4780.dtsi" #include <dt-bindings/clock/ingenic,tcu.h> #include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/input.h>
/ { compatible = "img,ci20", "ingenic,jz4780"; @@ -25,6 +26,17 @@ 0x30000000 0x30000000>; };
+ gpio-keys { + compatible = "gpio-keys"; + + sw1 { + label = "ci20:sw1"; + linux,code = <KEY_ENTER>; + gpios = <&gpd 17 GPIO_ACTIVE_HIGH>; + wakeup-source; + }; + }; + leds { compatible = "gpio-leds";