[PATCH v2 2/2] ARM: dts: AM437x: Add touchscreen support for GP EVM

[Roger Quadros <rogerq@ti.com>]

From: Sekhar Nori <nsekhar@ti.com>

Add touchscreen support for AM437x GP EVM using pixcir
touchscreen controller.

[Roger Q] - Updated bindings for touchscreen size.

CC: Benoit Cousson <bcousson@baylibre.com>
CC: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Roger Quadros <rogerq@ti.com>
---
 arch/arm/boot/dts/am437x-gp-evm.dts | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index df8798e..64cd344 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -81,6 +81,12 @@
 			0x164 MUX_MODE0       /* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
 		>;
 	};
+
+	pixcir_ts_pins: pixcir_ts_pins {
+		pinctrl-single,pins = <
+			0x264 (PIN_INPUT_PULLUP | MUX_MODE7)  /* spi2_d0.gpio3_22 */
+		>;
+	};
 };
 
 &i2c0 {
@@ -93,6 +99,20 @@
         status = "okay";
         pinctrl-names = "default";
         pinctrl-0 = <&i2c1_pins>;
+
+	pixcir_ts@5c {
+		compatible = "pixcir,pixcir_tangoc";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pixcir_ts_pins>;
+		reg = <0x5c>;
+		interrupt-parent = <&gpio3>;
+		interrupts = <22 0>;
+
+		attb-gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>;
+
+		touchscreen-size-x = <1024>;
+		touchscreen-size-y = <600>;
+	};
 };
 
 &epwmss0 {
-- 
1.8.3.2