Add a node for the Goodix GT911 touchscreen found on the Wexler TAB7200 tablet
Signed-off-by: Aleksei Mamlin <mamlinav@xxxxxxxxx>
---
arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts b/arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts
index 239b5d2..ec3b837 100644
--- 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";
--
2.4.10
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