linux-kernel - [PATCH 1/2] arm64: dts: qcom: x1e80100-romulus: Add lid switch

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Message-Id: <20240902-topic-sl7_updates-v1-1-3ee667e6652d@quicinc.com>
Date: Mon, 02 Sep 2024 16:50:33 +0200
From: Konrad Dybcio <konradybcio@...nel.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: Marijn Suijten <marijn.suijten@...ainline.org>, 
 linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Konrad Dybcio <quic_kdybcio@...cinc.com>, 
 20240830-nxp-ptn3222-v2-0-4c6d8535cf6c@...aro.org
Subject: [PATCH 1/2] arm64: dts: qcom: x1e80100-romulus: Add lid switch

From: Konrad Dybcio <quic_kdybcio@...cinc.com>

One of the best parts of having a laptop is being able to close the lid
and go on with your day. Enable this feature by defining the lid switch.

Signed-off-by: Konrad Dybcio <quic_kdybcio@...cinc.com>
---
 .../boot/dts/qcom/x1e80100-microsoft-romulus.dtsi  | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi b/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi
index 42e02ad6a9c3..5419d0b02785 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi
@@ -4,6 +4,8 @@
  */
 
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/gpio-keys.h>
+#include <dt-bindings/input/input.h>
 #include <dt-bindings/leds/common.h>
 #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
 
@@ -30,6 +32,21 @@ backlight: backlight {
 		pinctrl-names = "default";
 	};
 
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		pinctrl-0 = <&hall_int_n_default>;
+		pinctrl-names = "default";
+
+		switch-lid {
+			gpios = <&tlmm 2 GPIO_ACTIVE_LOW>;
+			linux,input-type = <EV_SW>;
+			linux,code = <SW_LID>;
+			wakeup-source;
+			wakeup-event-action = <EV_ACT_DEASSERTED>;
+		};
+	};
+
 	leds {
 		compatible = "gpio-leds";
 
@@ -704,6 +721,12 @@ &tlmm {
 	gpio-reserved-ranges = <44 4>, /* SPI (TPM) */
 			       <238 1>; /* UFS Reset */
 
+	hall_int_n_default: hall-int-n-state {
+		pins = "gpio2";
+		function = "gpio";
+		bias-disable;
+	};
+
 	nvme_reg_en: nvme-reg-en-state {
 		pins = "gpio18";
 		function = "gpio";

-- 
2.46.0