From: Sekhar Nori <nsekhar@xxxxxx>
Add touchscreen support for AM437x GP EVM using pixcir
touchscreen controller.
[Roger Q] - Updated bindings for touchscreen size.
CC: Benoit Cousson <bcousson@xxxxxxxxxxxx>
CC: Tony Lindgren <tony@xxxxxxxxxxx>
Signed-off-by: Sekhar Nori <nsekhar@xxxxxx>
Acked-by: Roger Quadros <rogerq@xxxxxx>
---
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
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