[PATCHv2 1/4] ARM: dts: meson8b: odroidc1: Add usb phy power node

[Anand Moon]

Add missing usb phy power node for phy mode fix below warning.
P5V0 regulator suppy input voltage range to USB host controller.
As descriped in the C1+ schematics, GPIO GPIOAO_5 is used to
enable input power to USB ports, set it to Active Low.

[    1.253149] phy phy-c1108820.phy.0: Looking up phy-supply from device tree
[    1.253166] phy phy-c1108820.phy.0: Looking up phy-supply property
		in node /soc/cbus at c1100000/phy at 8820 failed

Fixes: 2eb79a4d15ff (ARM: dts: meson: enabling the USB Host
		controller on Odroid-C1/C1+ board)

Cc: Martin Blumenstingl <martin.blumenstingl at googlemail.com>
Signed-off-by: Anand Moon <linux.amoon at gmail.com>
---
V1 > Fix the Input GPIO polarity from HIGH to LOW.

previous version
[0] https://patchwork.kernel.org/project/linux-amlogic/patch/20190113181808.5768-1-linux.amoon@gmail.com

changes fix the vbus-suppy to phy-supply, drop enable usb0

    USB_PWR                       2    1      0 unknown  5000mV     0mA  5000mV  5000mV
       phy-c1108820.phy.0-phy     2                                 0mA     0mV     0mV
---
 arch/arm/boot/dts/meson8b-odroidc1.dts | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm/boot/dts/meson8b-odroidc1.dts b/arch/arm/boot/dts/meson8b-odroidc1.dts
index c440ef94e082..26e8f91e0950 100644
--- a/arch/arm/boot/dts/meson8b-odroidc1.dts
+++ b/arch/arm/boot/dts/meson8b-odroidc1.dts
@@ -32,6 +32,24 @@ emmc_pwrseq: emmc-pwrseq {
 		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
 	};
 
+	usb_pwr_en: regulator-usb-pwr-en {
+		compatible = "regulator-fixed";
+
+		regulator-name = "USB_PWR";
+
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		/*
+		 * signal name from schematics: USB_POWER - P5V0
+		 */
+		vin-supply = <&p5v0>;
+
+		/*
+		 * signal name from schematics: PWREN - GPIOAO.BIT5
+		 */
+		gpios = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
+	};
+
 	leds {
 		compatible = "gpio-leds";
 		blue {
@@ -378,6 +396,7 @@ &uart_AO {
 
 &usb1_phy {
 	status = "okay";
+	phy-supply = <&usb_pwr_en>;
 };
 
 &usb1 {
-- 
2.32.0