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Unverified Commit 3c2a22b8 authored by Jagan Teki's avatar Jagan Teki Committed by Maxime Ripard
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arm64: dts: allwinner: a64-oceanic-5205-5inmfd: Enable GT911 CTP 



Goodix GT911 CTP is bound with Oceanic 5205 5inMFD board.

The CTP connected to board with,
- SDA, SCK from i2c0
- GPIO-LD0 as AVDD28 supply
- PH4 gpio as interrupt pin
- PH11 gpio as reset pin
- X axis is inverted
- Y axis is inverted

Signed-off-by: default avatarJagan Teki <jagan@amarulasolutions.com>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@bootlin.com>
parent 5aa45a24

arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts

+23 −0
Original line number Diff line number Diff line
@@ -37,6 +37,22 @@ 
	status = "okay";

};



&i2c0 {

	status = "okay";



	touchscreen@5d {

		compatible = "goodix,gt911";

		reg = <0x5d>;

		AVDD28-supply = <&reg_ldo_io0>;			/* VDD_CTP: GPIO0-LDO */

		interrupt-parent = <&pio>;

		interrupts = <7 4 IRQ_TYPE_EDGE_FALLING>;

		irq-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>;	/* CTP-INT: PH4 */

		reset-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>;	/* CTP-RST: PH11 */

		touchscreen-inverted-x;

		touchscreen-inverted-y;

	};

};



&mdio {

	ext_rgmii_phy: ethernet-phy@1 {

		compatible = "ethernet-phy-ieee802.3-c22";
@@ -52,6 +68,13 @@ 
	regulator-name = "vcc-phy";

};



&reg_ldo_io0 {

	regulator-min-microvolt = <2800000>;

	regulator-max-microvolt = <2800000>;

	regulator-name = "vdd-ctp";

	status = "okay";

};



&uart0 {

	pinctrl-names = "default";

	pinctrl-0 = <&uart0_pb_pins>;