From 321514a385fa531b08f8c555e8e63fe66bfeb146 Mon Sep 17 00:00:00 2001
From: Heiko Stuebner <heiko.stuebner@bq.com>
Date: Fri, 21 Dec 2018 17:10:12 +0100
Subject: [PATCH] ARM: dts: rockchip: add focaltech touchscreen to
 rk3188-bqedison2qc

The Edison tablet uses a Focaltech touchscreen, with one speciality
that the touchscreen resolution doesn't match the display resolution
(1024x768 vs. 1280x600) which userspace will have to compensate for.

Signed-off-by: Heiko Stuebner <heiko.stuebner@bq.com>
---
 arch/arm/boot/dts/rk3188-bqedison2qc.dts | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm/boot/dts/rk3188-bqedison2qc.dts b/arch/arm/boot/dts/rk3188-bqedison2qc.dts
index 2b5abfb48dd0..887d1aa8d0e1 100644
--- a/arch/arm/boot/dts/rk3188-bqedison2qc.dts
+++ b/arch/arm/boot/dts/rk3188-bqedison2qc.dts
@@ -408,6 +408,21 @@
 &i2c2 {
 	clock-frequency = <400000>;
 	status = "okay";
+
+	ft5606: touchscreen@3e {
+		compatible = "edt,edt-ft5506";
+		reg = <0x3e>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <RK_PB7 IRQ_TYPE_EDGE_FALLING>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&tp_int &tp_rst>;
+		reset-gpios = <&gpio0 RK_PB6 GPIO_ACTIVE_LOW>;
+		touchscreen-inverted-y;
+		/* hw ts resolution does not match display */
+		touchscreen-size-y = <1024>;
+		touchscreen-size-x = <768>;
+		touchscreen-swapped-x-y;
+	};
 };
 
 &i2c3 {