From 434e9ec9d661b9af94d48830acf7d13eba453318 Mon Sep 17 00:00:00 2001
From: Rostislav Lisovy <lisovy@gmail.com>
Date: Tue, 16 Jul 2013 13:48:41 +0200
Subject: [PATCH] voipac mx53: ads7846 touchscreen

---
 arch/arm/boot/dts/imx53-voipac.dts | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/arch/arm/boot/dts/imx53-voipac.dts b/arch/arm/boot/dts/imx53-voipac.dts
index 6fb1073aa258..64ffff0694d0 100644
--- a/arch/arm/boot/dts/imx53-voipac.dts
+++ b/arch/arm/boot/dts/imx53-voipac.dts
@@ -238,3 +238,31 @@
 	phy-reset-gpios = <&gpio4 2 0>;
 	status = "okay";
 };
+
+&ecspi1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_ecspi1_1>;
+	fsl,spi-num-chipselects = <4>;
+	cs-gpios = <&gpio2 30 0>, <&gpio3 19 0>, <&gpio2 16 0>, <&gpio2 17 0>;
+	status = "okay";
+
+	ads7846@0 {
+		reg = <2>;	/* CS2 */
+		compatible = "ti,ads7846";
+		interrupt-parent = <&gpio2>;
+		interrupts = <20 0>;
+		spi-max-frequency = <1000000>;
+		pendown-gpio = <&gpio2 20 0>;
+		vcc-supply = <&reg_3p3v>;
+
+		ti,x-min = /bits/ 16 <0>;
+		ti,x-max = /bits/ 16 <8000>;
+		ti,y-min = /bits/ 16 <0>;
+		ti,y-max = /bits/ 16 <4800>;
+		ti,x-plate-ohms = /bits/ 16 <300>;
+		ti,y-plate-ohms = /bits/ 16 <600>;
+		ti,pressure-max = /bits/ 16 <255>;
+
+		linux,wakeup;
+	};
+};
-- 
2.39.2