[PATCH v1 3/4] arm64: dts: am62p5-var-som-symphony: add touchscreen support

[Stefano Radaelli]

Add support for the capacitive touchscreen on the Symphony carrier
board.

Describe the FT5x06 touchscreen controller, configure its interrupt and
wakeup pins, and mark it as a wakeup source.

Signed-off-by: Stefano Radaelli <stefano.r at variscite.com>
---
 .../dts/ti/k3-am62p5-var-som-symphony.dts     | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62p5-var-som-symphony.dts b/arch/arm64/boot/dts/ti/k3-am62p5-var-som-symphony.dts
index 5ba4ed56755b..5c41647ff43f 100644
--- a/arch/arm64/boot/dts/ti/k3-am62p5-var-som-symphony.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62p5-var-som-symphony.dts
@@ -293,6 +293,21 @@ &main_i2c1 {
 	clock-frequency = <400000>;
 	status = "okay";
 
+	/* Capacitive touch controller */
+	ft5x06_ts: touchscreen at 38 {
+		compatible = "edt,edt-ft5206";
+		reg = <0x38>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_captouch_pins>;
+		interrupt-parent = <&main_gpio1>;
+		interrupts = <16 IRQ_TYPE_EDGE_FALLING>;
+		touchscreen-size-x = <800>;
+		touchscreen-size-y = <480>;
+		touchscreen-inverted-x;
+		touchscreen-inverted-y;
+		wakeup-source;
+	};
+
 	rtc at 68 {
 		compatible = "dallas,ds1337";
 		reg = <0x68>;
@@ -307,6 +322,12 @@ &main_mcan0 {
 };
 
 &main_pmx0 {
+	pinctrl_captouch_pins: main-captouch-default-pins {
+		pinctrl-single,pins = <
+			AM62PX_IOPAD(0x01b8, PIN_INPUT, 7) /* (E20) SPI0_CS1.GPIO1_16 */
+		>;
+	};
+
 	pinctrl_extcon: main-extcon-pins {
 		pinctrl-single,pins = <
 			AM62PX_IOPAD(0x01a8, PIN_INPUT, 7) /* (F25) MCASP0_AFSX.GPIO1_12 */
-- 
2.47.3