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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: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
This commit is contained in:
Jagan Teki 2019-05-03 16:17:52 +05:30 committed by Maxime Ripard
parent 70f76289d9
commit 5aa45a24d2
No known key found for this signature in database
GPG Key ID: E3EF0D6F671851C5
1 changed files with 23 additions and 0 deletions
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23
arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
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@ -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";
};