Re: [PATCH] arm64: dts: qcom: sc8280xp-lenovo-thinkpad-x13s: Add LID switch

From: Steev Klimaszewski
Date: Sat Jul 30 2022 - 16:52:00 EST



On 7/30/22 2:36 PM, Bjorn Andersson wrote:
Add gpio-keys for exposing the LID switch state.

Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
---
.../qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 25 +++++++++++++++++++
1 file changed, 25 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
index 84dc92dda0b8..f3246cc13d15 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
@@ -7,6 +7,8 @@
/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/gpio-keys.h>
+#include <dt-bindings/input/input.h>
#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
#include "sc8280xp.dtsi"
@@ -26,6 +28,21 @@ backlight {
pinctrl-0 = <&edp_bl_en>, <&edp_bl_pwm>;
};
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&hall_int_state>;
+
+ switch-lid {
+ gpios = <&tlmm 107 GPIO_ACTIVE_LOW>;
+ linux,input-type = <EV_SW>;
+ linux,code = <SW_LID>;
+ wakeup-source;
+ wakeup-event-action = <EV_ACT_DEASSERTED>;
+ };
+ };
+
vreg_edp_bl: regulator-edp-bl {
compatible = "regulator-fixed";
@@ -347,6 +364,14 @@ reset {
};
};
+ hall_int_state: hall-int-state {
+ pins = "gpio107";
+ function = "gpio";
+
+ input-enable;
+ bias-disable;
+ };
+
qup0_i2c4_default: qup0-i2c4-default-state {
pins = "gpio171", "gpio172";
function = "qup4";

Tested on the Lenovo Thinkpad X13s

Tested-by: Steev Klimaszewski <steev@xxxxxxxx>