From 21e95ec221ae3d931276606ea50426689e6d27b7 Mon Sep 17 00:00:00 2001
From: "J.R. Divya Antony" <d.antony.jr@gmail.com>
Date: Tue, 12 Oct 2021 16:57:33 +0530
Subject: [PATCH] arm64: dts: qcom: msm8916-asus-z00l: Add touchscreen

Add support for touchscreen in this device.

Signed-off-by: J.R. Divya Antony <d.antony.jr@gmail.com>
Reviewed-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211012112735.2765-1-d.antony.jr@gmail.com
---
 arch/arm64/boot/dts/qcom/msm8916-asus-z00l.dts | 41 ++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8916-asus-z00l.dts b/arch/arm64/boot/dts/qcom/msm8916-asus-z00l.dts
index 18c7b60..6d370cc 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-asus-z00l.dts
+++ b/arch/arm64/boot/dts/qcom/msm8916-asus-z00l.dts
@@ -4,6 +4,8 @@
 
 #include "msm8916-pm8916.dtsi"
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
 
 / {
 	model = "Asus Zenfone 2 Laser";
@@ -84,6 +86,29 @@
 	};
 };
 
+&blsp_i2c5 {
+	status = "okay";
+
+	touchscreen@38 {
+		compatible = "edt,edt-ft5306";
+		reg = <0x38>;
+
+		interrupt-parent = <&msmgpio>;
+		interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
+
+		reset-gpios = <&msmgpio 12 GPIO_ACTIVE_LOW>;
+
+		vcc-supply = <&pm8916_l11>;
+		iovcc-supply = <&pm8916_l6>;
+
+		touchscreen-size-x = <720>;
+		touchscreen-size-y = <1280>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&touchscreen_default>;
+	};
+};
+
 &blsp1_uart2 {
 	status = "okay";
 };
@@ -237,6 +262,22 @@
 		bias-disable;
 	};
 
+	touchscreen_default: touchscreen-default {
+		pins = "gpio13";
+		function = "gpio";
+
+		drive-strength = <2>;
+		bias-pull-up;
+
+		reset {
+			pins = "gpio12";
+			function = "gpio";
+
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
+
 	usb_id_default: usb-id-default {
 		pins = "gpio110";
 		function = "gpio";
-- 
2.7.4