From: Yedaya Katsman <yedaya.ka@gmail.com>

Add device tree node for the Focaltech FT3518 touchscreen on
Xiaomi Mi A3 (laurel-sprout).

Enable qupv3_id_0 and i2c2 bus that the touchscreen is on.

Co-developed-by: SzczurekYT <szczurek@szczurek.yt>
Signed-off-by: SzczurekYT <szczurek@szczurek.yt>
Signed-off-by: Yedaya Katsman <yedaya.ka@gmail.com>
---
 .../boot/dts/qcom/sm6125-xiaomi-laurel-sprout.dts  | 34 ++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel-sprout.dts b/arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel-sprout.dts
index 994fb0412fcbdf5466f87a325c48b697a37b514b..97feed708d3b6483eab72cfb0ae39be6f5ae3a11 100644
--- a/arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel-sprout.dts
+++ b/arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel-sprout.dts
@@ -119,6 +119,18 @@ active-config0 {
 			};
 		};
 	};
+
+	ts_vdd_supply: ts-vdd-supply {
+		compatible = "regulator-fixed";
+		regulator-name = "ts_vdd_supply";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+
+		gpio = <&tlmm 83 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+
+		startup-delay-us = <70000>;
+	};
 };
 
 &hsusb_phy1 {
@@ -411,3 +423,25 @@ &usb3 {
 &usb3_dwc3 {
 	extcon = <&extcon_usb>;
 };
+
+&qupv3_id_0 {
+	status = "okay";
+};
+
+&i2c2 {
+	status = "okay";
+
+	touchscreen@38 {
+		compatible = "focaltech,ft3518";
+		reg = <0x38>;
+		interrupt-parent = <&tlmm>;
+		interrupts = <88 IRQ_TYPE_EDGE_FALLING>;
+
+		vcc-supply = <&ts_vdd_supply>;
+
+		reset-gpios = <&tlmm 87 GPIO_ACTIVE_LOW>;
+
+		touchscreen-size-x = <720>;
+		touchscreen-size-y = <1560>;
+	};
+};

-- 
2.52.0