ARM: dts: am437x: Add touchscreen support for GP EVM
Add touchscreen support for AM437x GP EVM using pixcir
touchscreen controller.
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>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index 9e57538..c0cc525 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>;
+
+ x-size = <1024>;
+ y-size = <600>;
+ };
};
&epwmss0 {