From: Joel Selvaraj <foss@joelselvaraj.com>
Date: Tue, 6 May 2025 18:18:41 +0000 (-0500)
Subject: arm64: dts: qcom: sdm845-xiaomi-beryllium-ebbg: introduce touchscreen support
X-Git-Tag: v6.16-rc1~97^2~20^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a18226be95c7ae7c9ec22fd31a6124bef5675c64;p=thirdparty%2Fkernel%2Fstable.git

arm64: dts: qcom: sdm845-xiaomi-beryllium-ebbg: introduce touchscreen support

Enable the Focaltech FT8719 touchscreen controller used in the Poco F1
(EBBG) panel variant.

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Joel Selvaraj <foss@joelselvaraj.com>
Link: https://lore.kernel.org/r/20250506-pocof1-touchscreen-support-v4-4-bfb53da52945@joelselvaraj.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-ebbg.dts b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-ebbg.dts
index 76931ebad065e..2d6f0e382a6cb 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-ebbg.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-ebbg.dts
@@ -13,3 +13,26 @@
 	compatible = "ebbg,ft8719";
 	status = "okay";
 };
+
+&i2c14 {
+	status = "okay";
+
+	touchscreen@38 {
+		compatible = "focaltech,ft8719";
+		reg = <0x38>;
+
+		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>;
+	};
+};