There is a PWRBTN# input pin exposed on a Q7 connector. The pin
is routed to a GPIO0_A1 through a diode. Q7 specification describes
the PWRBTN# pin as a Power Button signal.
Configure the pin as KEY_POWER, so it can function as power button and
trigger device shutdown.
Signed-off-by: Daniel Semkowicz <dse@xxxxxxxxxxxxx>
---
Changes in v2:
- Move button definition from puma to puma-haikou dts
arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts
index f6f15946579e..c04bb98a45e5 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts
@@ -30,6 +30,12 @@ button-batlow-n {
linux,code = <KEY_BATTERY>;
};
+ button-pwrbtn-n {
+ gpios = <&gpio0 RK_PA1 GPIO_ACTIVE_LOW>;
+ label = "PWRBTN#";
+ linux,code = <KEY_POWER>;
+ };
+
button-slp-btn-n {
gpios = <&gpio0 RK_PB3 GPIO_ACTIVE_LOW>;
label = "SLP_BTN#";
@@ -203,6 +209,8 @@ &pinctrl {
buttons {
haikou_keys_pin: haikou-keys-pin {
rockchip,pins =
+ /* PWRBTN# */
+ <0 RK_PA1 RK_FUNC_GPIO &pcfg_pull_up>,
/* LID_BTN */
<0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_up>,
/* BATLOW# */
--
2.46.2
