Radxa E20C has two buttons, one SARADC maskrom button and one GPIO user
button.
Add support for the user button using a gpio-keys node.
Signed-off-by: Jonas Karlman <jonas@xxxxxxxxx>
---
v2: No change
---
.../boot/dts/rockchip/rk3528-radxa-e20c.dts | 20 +++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
index 7f0237206405..b378774d2a4e 100644
--- a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
@@ -7,6 +7,7 @@
/dts-v1/;
+#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include "rk3528.dtsi"
@@ -18,6 +19,19 @@ chosen {
stdout-path = "serial0:1500000n8";
};
+ gpio-keys {
+ compatible = "gpio-keys";
+ pinctrl-names = "default";
+ pinctrl-0 = <&user_key>;
+
+ button-user {
+ gpios = <&gpio0 RK_PA0 GPIO_ACTIVE_LOW>;
+ label = "USER";
+ linux,code = <BTN_1>;
+ wakeup-source;
+ };
+ };
+
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
@@ -50,6 +64,12 @@ led-wan {
};
&pinctrl {
+ gpio-keys {
+ user_key: user-key {
+ rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+ };
+
leds {
lan_led_g: lan-led-g {
rockchip,pins = <4 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
--
2.48.1
