From e76be113d4a72573b8d892ca65642e5f171a1f81 Mon Sep 17 00:00:00 2001
From: Michael Srba <Michael.Srba@seznam.cz>
Date: Sun, 15 Nov 2020 20:50:58 +0100
Subject: arm64: dts: qcom: msm8916-samsung-a3u: add nodes for touchscreen

This patch wires up touchscreen support on Samsung Galaxy A3 2015.

Reviewed-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Michael Srba <Michael.Srba@seznam.cz>
Link: https://lore.kernel.org/r/20201115195058.27097-1-michael.srba@seznam.cz
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
---
 .../boot/dts/qcom/msm8916-samsung-a3u-eur.dts      | 29 ++++++++++++++++++++++
 1 file changed, 29 insertions(+)

(limited to 'arch/arm64/boot/dts/qcom/msm8916-samsung-a3u-eur.dts')

diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-a3u-eur.dts b/arch/arm64/boot/dts/qcom/msm8916-samsung-a3u-eur.dts
index 086f07ead5cb..661f41ad978b 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-samsung-a3u-eur.dts
+++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-a3u-eur.dts
@@ -28,6 +28,27 @@
 		       "0", "0", "1";
 };
 
+&blsp_i2c5 {
+	status = "okay";
+
+	touchscreen@20 {
+		compatible = "zinitix,bt541";
+
+		reg = <0x20>;
+		interrupt-parent = <&msmgpio>;
+		interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
+
+		touchscreen-size-x = <540>;
+		touchscreen-size-y = <960>;
+
+		vdd-supply = <&reg_vdd_tsp>;
+		vddo-supply = <&pm8916_l6>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&ts_int_default>;
+	};
+};
+
 &dsi0 {
 	panel@0 {
 		reg = <0>;
@@ -59,4 +80,12 @@
 		drive-strength = <2>;
 		bias-disable;
 	};
+
+	ts_int_default: ts-int-default {
+		pins = "gpio13";
+		function = "gpio";
+
+		drive-strength = <2>;
+		bias-disable;
+	};
 };
-- 
cgit