ARM: dts: sun5i: Enable touchscreen on Utoo P66

Add a node for the chipone-icn8318 touchscreen found on the Utoo P66 tablet.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/arch/arm/boot/dts/sun5i-a13-utoo-p66.dts b/arch/arm/boot/dts/sun5i-a13-utoo-p66.dts
index f2476ea..d2303da 100644 (file)
--- a/arch/arm/boot/dts/sun5i-a13-utoo-p66.dts
+++ b/arch/arm/boot/dts/sun5i-a13-utoo-p66.dts
@@ -50,6 +50,7 @@
 #include "sunxi-common-regulators.dtsi"
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/pinctrl/sun4i-a10.h>
 
 / {
@@ -93,6 +94,20 @@
        pinctrl-0 = <&i2c1_pins_a>;
        status = "okay";
 
+       icn8318: touchscreen@40 {
+               compatible = "chipone,icn8318";
+               reg = <0x40>;
+               interrupt-parent = <&pio>;
+               interrupts = <9 IRQ_TYPE_EDGE_FALLING>; /* EINT9 (PG9) */
+               pinctrl-names = "default";
+               pinctrl-0 = <&ts_wake_pin_p66>;
+               wake-gpios = <&pio 1 3 GPIO_ACTIVE_HIGH>; /* PB3 */
+               touchscreen-size-x = <800>;
+               touchscreen-size-y = <480>;
+               touchscreen-inverted-x;
+               touchscreen-swapped-x-y;
+       };
+
        pcf8563: rtc@51 {
                compatible = "nxp,pcf8563";
                reg = <0x51>;
@@ -158,6 +173,13 @@
                allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
        };
 
+       ts_wake_pin_p66: ts_wake_pin@0 {
+               allwinner,pins = "PB3";
+               allwinner,function = "gpio_out";
+               allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+               allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+       };
+
        usb0_vbus_pin_a: usb0_vbus_pin@0 {
                allwinner,pins = "PB4";
                allwinner,function = "gpio_out";