linux-kernel - [PATCH 2/3] arm64: dts: qcom: sdm845-xiaomi-beryllium-tianma: introduce touchscreen support

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Message-Id: <20241007-pocof1-touchscreen-support-v1-2-db31b21818c5@joelselvaraj.com>
Date: Mon, 07 Oct 2024 21:59:27 -0500
From: Joel Selvaraj via B4 Relay <devnull+foss.joelselvaraj.com@...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: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Joel Selvaraj <foss@...lselvaraj.com>, 
 Joel Selvaraj <jo@...amily.in>
Subject: [PATCH 2/3] arm64: dts: qcom: sdm845-xiaomi-beryllium-tianma:
 introduce touchscreen support

From: Joel Selvaraj <jo@...amily.in>

Enable the Novatek NT36672A touchscreen controller used in the Poco F1
(Tianma) panel variant.

Signed-off-by: Joel Selvaraj <foss@...lselvaraj.com>
---
 .../dts/qcom/sdm845-xiaomi-beryllium-tianma.dts    | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts
index e9427851ebaae..b58964cde8342 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts
@@ -13,3 +13,26 @@ &display_panel {
 	compatible = "tianma,fhd-video", "novatek,nt36672a";
 	status = "okay";
 };
+
+&i2c14 {
+	status = "okay";
+
+	touchscreen@1 {
+		compatible = "novatek,nt36672a-ts";
+		reg = <0x01>;
+
+		interrupts-extended = <&tlmm 31 IRQ_TYPE_EDGE_RISING>;
+		reset-gpios = <&tlmm 32 GPIO_ACTIVE_LOW>;
+		panel = <&display_panel>;
+
+		iovcc-supply = <&vreg_l14a_1p8>;
+		vcc-supply = <&lab>;
+
+		pinctrl-0 = <&ts_int_default &ts_reset_default>;
+		pinctrl-1 = <&ts_int_sleep &ts_reset_sleep>;
+		pinctrl-names = "default", "sleep";
+
+		touchscreen-size-x = <1080>;
+		touchscreen-size-y = <2246>;
+	};
+};

-- 
2.46.2