linux-kernel - [PATCH v2 1/5] arm64: dts: qcom: msm8998-lenovo-miix-630: enable touchscreen

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Message-Id: <20240723-miix630-support-v2-1-7d98f6047a17@linaro.org>
Date: Tue, 23 Jul 2024 14:28:28 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: Jeffrey Hugo <quic_jhugo@...cinc.com>, linux-arm-msm@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/5] arm64: dts: qcom: msm8998-lenovo-miix-630: enable
 touchscreen

There is no point in keeping touchscreen disabled, enable corresponding
i2c-hid device.

04F3:2608 Touchscreen as /devices/platform/soc@...179000.i2c/i2c-0/0-0010/0018:04F3:2608.0001/input/input1
04F3:2608 as /devices/platform/soc@...179000.i2c/i2c-0/0-0010/0018:04F3:2608.0001/input/input2
04F3:2608 as /devices/platform/soc@...179000.i2c/i2c-0/0-0010/0018:04F3:2608.0001/input/input3
04F3:2608 Stylus as /devices/platform/soc@...179000.i2c/i2c-0/0-0010/0018:04F3:2608.0001/input/input4

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
---
 .../boot/dts/qcom/msm8998-lenovo-miix-630.dts      | 25 ++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8998-lenovo-miix-630.dts b/arch/arm64/boot/dts/qcom/msm8998-lenovo-miix-630.dts
index a105143bee4a..133999a7ed2a 100644
--- a/arch/arm64/boot/dts/qcom/msm8998-lenovo-miix-630.dts
+++ b/arch/arm64/boot/dts/qcom/msm8998-lenovo-miix-630.dts
@@ -11,6 +11,22 @@ / {
 	chassis-type = "convertible";
 };
 
+&blsp1_i2c5 {
+	clock-frequency = <400000>;
+	status = "okay";
+
+	touchscreen@10 {
+		compatible = "hid-over-i2c";
+		reg = <0x10>;
+		hid-descr-addr = <0x1>;
+
+		interrupts-extended = <&tlmm 125 IRQ_TYPE_LEVEL_LOW>;
+
+		pinctrl-0 = <&i2c5_hid_active>;
+		pinctrl-names = "default";
+	};
+};
+
 &blsp1_i2c6 {
 	status = "okay";
 
@@ -35,3 +51,12 @@ &remoteproc_mss {
 &sdhc2 {
 	cd-gpios = <&tlmm 95 GPIO_ACTIVE_HIGH>;
 };
+
+&tlmm {
+	i2c5_hid_active: i2c5-hid-active-state {
+		pins = "gpio125";
+		function = "gpio";
+		bias-pull-up;
+		drive-strength = <2>;
+	};
+};

-- 
2.39.2