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Subject[PATCH] arm64: dts: rockchip: Add nodes for buttons on rk3399-roc-pc
Date
rk3399-roc-pc has a power and a recovery button, enable them.

Signed-off-by: Markus Reichl <m.reichl@fivetechno.de>
---
.../arm64/boot/dts/rockchip/rk3399-roc-pc.dts | 36 +++++++++++++++++++
1 file changed, 36 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dts b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dts
index c0c2d896f4da..07beb9199700 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dts
@@ -4,6 +4,7 @@
*/

/dts-v1/;
+#include <dt-bindings/input/linux-event-codes.h>
#include <dt-bindings/pwm/pwm.h>
#include "rk3399.dtsi"
#include "rk3399-opp.dtsi"
@@ -28,6 +29,35 @@
#clock-cells = <0>;
};

+ adc-keys {
+ compatible = "adc-keys";
+ io-channels = <&saradc 1>;
+ io-channel-names = "buttons";
+ keyup-threshold-microvolt = <1500000>;
+ poll-interval = <100>;
+
+ recovery {
+ label = "Recovery";
+ linux,code = <KEY_VENDOR>;
+ press-threshold-microvolt = <18000>;
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ autorepeat;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwr_key_l>;
+
+ power {
+ debounce-interval = <100>;
+ gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_LOW>;
+ label = "GPIO Key Power";
+ linux,code = <KEY_POWER>;
+ wakeup-source;
+ };
+ };
+
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
@@ -547,6 +577,12 @@
};

&pinctrl {
+ buttons {
+ pwr_key_l: pwr-key-l {
+ rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+ };
+
lcd-panel {
lcd_panel_reset: lcd-panel-reset {
rockchip,pins = <4 RK_PD6 RK_FUNC_GPIO &pcfg_pull_up>;
--
2.20.1
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