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arm64: dts: allwinner: a64-oceanic-5205-5inmfd: Enable GT911 CTP

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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: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
This commit is contained in:
Jagan Teki 2019-05-03 16:17:53 +05:30 committed by Maxime Ripard
parent 5aa45a24d2
commit 3c2a22b8ae
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-oceanic-5205-5inmfd.dts
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@ -37,6 +37,22 @@ &emac {
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 @@ &reg_dc1sw {
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>;