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Unverified Commit 5aa45a24 authored by Jagan Teki's avatar Jagan Teki Committed by Maxime Ripard
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arm64: dts: allwinner: a64-amarula-relic: Add GT5663 CTP node 



Add Goodix GT5663 capacitive touch controller node on
Amarula A64-Relic board.

The CTP connected to board with,
- SDA, SCK from i2c1
- GPIO-LD0 as AVDD28 supply
- PH4 gpio as interrupt pin
- PH8 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 70f76289

arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts

+23 −0
Original line number Diff line number Diff line
@@ -97,6 +97,22 @@ 
	bias-pull-up;

};



&i2c1 {

	status = "okay";



	touchscreen@5d {

		compatible = "goodix,gt5663";

		reg = <0x5d>;

		AVDD28-supply = <&reg_ldo_io0>;			/* VCC-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 8 GPIO_ACTIVE_HIGH>;	/* CTP-RST: PH8 */

		touchscreen-inverted-x;

		touchscreen-inverted-y;

	};

};



&mmc1 {

	pinctrl-names = "default";

	pinctrl-0 = <&mmc1_pins>;
@@ -260,6 +276,13 @@ 
	regulator-name = "vdd-cpus";

};



&reg_ldo_io0 {

	regulator-min-microvolt = <2800000>;

	regulator-max-microvolt = <2800000>;

	regulator-name = "vcc-ctp";

	status = "okay";

};



&reg_rtc_ldo {

	regulator-name = "vcc-rtc";

};