linux-kernel - [PATCH] arm64: dts: qcom: x1e80100-t14s: add another trackpad support

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Message-Id: <20240917102715.4096-1-srinivas.kandagatla@linaro.org>
Date: Tue, 17 Sep 2024 06:27:15 -0400
From: srinivas.kandagatla@...aro.org
To: andersson@...nel.org
Cc: konradybcio@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	linux-arm-msm@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH] arm64: dts: qcom: x1e80100-t14s: add another trackpad support

From: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>

Trackpad HID device on some of the T14s Product Models 21N2ZC5PUS is
at I2C address 0x2c add this to be able to get it working on these laptops.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
 .../dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts     | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts
index 941dfddd6713..8468f99d9bed 100644
--- a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts
+++ b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts
@@ -467,7 +467,19 @@ touchpad@15 {
 		wakeup-source;
 	};
 
-	/* TODO: second-sourced SYNA8022 or SYNA8024 touchpad @ 0x2c */
+	/* SYNA8022 or SYNA8024 touchpad @ 0x2c */
+	touchpad@15 {
+		compatible = "hid-over-i2c";
+		reg = <0x2c>;
+
+		hid-descr-addr = <0x20>;
+		interrupts-extended = <&tlmm 3 IRQ_TYPE_LEVEL_LOW>;
+
+		pinctrl-0 = <&tpad_default>;
+		pinctrl-names = "default";
+
+		wakeup-source;
+	};
 
 	/* ELAN06F1 or SYNA06F2 */
 	keyboard@3a {
-- 
2.39.2