Add support for samsung,s6sy761 touchscreen.

Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.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 5635f3b088cf..2a367625d591 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
@@ -561,6 +561,23 @@ &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";
 };
@@ -665,4 +682,15 @@ 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;
 };

-- 
2.39.2