ARM: dts: sun7i: Enable touchscreen on Wexler TAB7200 tablet

Add a node for the Goodix GT911 touchscreen found on the Wexler TAB7200 tablet

Signed-off-by: Aleksei Mamlin <mamlinav@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts b/arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts
index 119713bb67101cf6d2d95bab5b655c6d892235bd..1dc90796dcaa51be62a95dae8ba2b6470af2a4f2 100644 (file)
--- a/arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts
+++ b/arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts
@@ -102,6 +102,18 @@
        pinctrl-names = "default";
        pinctrl-0 = <&i2c2_pins_a>;
        status = "okay";
+
+       gt911: touchscreen@5d {
+               compatible = "goodix,gt911";
+               reg = <0x5d>;
+               interrupt-parent = <&pio>;
+               interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>; /* EINT21 (PH21) */
+               pinctrl-names = "default";
+               pinctrl-0 = <&ts_reset_pin>;
+               irq-gpios = <&pio 7 21 GPIO_ACTIVE_HIGH>; /* INT (PH21) */
+               reset-gpios = <&pio 1 13 GPIO_ACTIVE_HIGH>; /* RST (PB13) */
+               touchscreen-swapped-x-y;
+       };
 };
 
 &lradc {
@@ -146,6 +158,13 @@
 };
 
 &pio {
+       ts_reset_pin: ts_reset_pin@0 {
+               allwinner,pins = "PB13";
+               allwinner,function = "gpio_out";
+               allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+               allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+       };
+
        usb0_id_detect_pin: usb0_id_detect_pin@0 {
                allwinner,pins = "PH4";
                allwinner,function = "gpio_in";