linux-kernel - [PATCH v8 11/14] arm64: dts: qcom: sdm845-starqltechn: add touchscreen support

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Message-Id: <20241209-starqltechn_integration_upstream-v8-11-ec604481d691@gmail.com>
Date: Mon, 09 Dec 2024 15:09:15 +0300
From: Dzmitry Sankouski <dsankouski@...il.com>
To: cros-qcom-dts-watchers@...omium.org, 
 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>, 
 Srinivas Kandagatla <srinivas.kandagatla@...aro.org>, 
 Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
 Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-sound@...r.kernel.org, 
 Dzmitry Sankouski <dsankouski@...il.com>, 
 Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: [PATCH v8 11/14] arm64: dts: qcom: sdm845-starqltechn: add
 touchscreen support

Add support for samsung,s6sy761 touchscreen.

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Signed-off-by: Dzmitry Sankouski <dsankouski@...il.com>
---
Changes in v8:
- add tag: Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

Changes in v6:
- refactor: s/starqltechn/sdm845-starqltechn in subject
---
 arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts b/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
index c4d8d7c0bf36..65f33be55da3 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
@@ -573,6 +573,23 @@ &sdhc_2 {
 	status = "okay";
 };
 
+&i2c11 {
+	clock-frequency = <400000>;
+	status = "okay";
+
+	touchscreen@48 {
+		compatible = "samsung,s6sy761";
+		reg = <0x48>;
+		interrupt-parent = <&tlmm>;
+		interrupts = <120 IRQ_TYPE_LEVEL_HIGH>;
+		vdd-supply = <&s2dos05_ldo2>;
+		avdd-supply = <&s2dos05_ldo3>;
+
+		pinctrl-0 = <&touch_irq_state>;
+		pinctrl-names = "default";
+	};
+};
+
 &usb_1 {
 	status = "okay";
 };
@@ -677,4 +694,15 @@ sd_card_det_n_state: sd-card-det-n-state {
 		function = "gpio";
 		bias-pull-up;
 	};
+
+	touch_irq_state: touch-irq-state {
+		pins = "gpio120";
+		function = "gpio";
+		bias-disable;
+	};
+};
+
+&qup_i2c11_default {
+	drive-strength = <2>;
+	bias-disable;
 };

-- 
2.39.5