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 <h...@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";
--
2.23.0
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