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Subject[PATCH 1/2] ARM: dts: meson8b: odroidc1: Enable usb phy node
Date
Add missing vbus-supply link to phy controller for usb_phy0
and usb_phy1 nodes, this changes fixed the power issue
on usb ports usb, changes help fix usb reset warning.

[ 821.991470] usb 1-1.2: reset high-speed USB device number 3 using dwc2
[ 825.243385] usb 1-1.2: reset high-speed USB device number 3 using dwc2
[ 828.151310] usb 1-1.2: reset high-speed USB device number 3 using dwc2
[ 830.991241] usb 1-1.2: reset high-speed USB device number 3 using dwc2

Fixes: 2eb79a4d15ff (ARM: dts: meson: enabling the USB Host controller on Odroid-C1/C1+ board)
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: Jerome Brunet <jbrunet@baylibre.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
Rebased on Kevin's amlogic/v5.0/fixes branch

[alarm@archl-c1t ~]$ lsusb -t
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=dwc2/1p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 1: Dev 4, If 0, Class=Mass Storage, Driver=usb-storage, 480M
|__ Port 3: Dev 3, If 0, Class=Video, Driver=uvcvideo, 480M
|__ Port 3: Dev 3, If 1, Class=Video, Driver=uvcvideo, 480M
|__ Port 3: Dev 3, If 2, Class=Audio, Driver=snd-usb-audio, 480M
|__ Port 3: Dev 3, If 3, Class=Audio, Driver=snd-usb-audio, 480M
[alarm@archl-c1t ~]$
[alarm@archl-c1t ~]$ lsusb -v|egrep "^Bus|MaxPower"
Couldn't open device, some information will be missing
Bus 001 Device 003: ID 1b71:0056 Fushicai
MaxPower 500mA
Couldn't open device, some information will be missing
Bus 001 Device 004: ID 152d:0578 JMicron Technology Corp. / JMicron USA Technology Corp. JMS567 SATA 6Gb/s bridge
MaxPower 30mA
Couldn't open device, some information will be missing
Couldn't open device, some information will be missing
Bus 001 Device 002: ID 05e3:0610 Genesys Logic, Inc. 4-port hub
MaxPower 100mA
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MaxPower 0mA
---
arch/arm/boot/dts/meson8b-odroidc1.dts | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)

diff --git a/arch/arm/boot/dts/meson8b-odroidc1.dts b/arch/arm/boot/dts/meson8b-odroidc1.dts
index 0f0a46ddf3ff..a49a8509b288 100644
--- a/arch/arm/boot/dts/meson8b-odroidc1.dts
+++ b/arch/arm/boot/dts/meson8b-odroidc1.dts
@@ -83,6 +83,19 @@
regulator-max-microvolt = <5000000>;
};

+ usb_vbus: regulator-usb-vbus {
+ compatible = "regulator-fixed";
+
+ regulator-name = "USB_VBUS";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+
+ vin-supply = <&p5v0>;
+
+ gpio = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
tflash_vdd: regulator-tflash_vdd {
/*
* signal name from schematics: TFLASH_VDD_EN
@@ -293,8 +306,18 @@
pinctrl-names = "default";
};

+&usb0_phy {
+ status = "okay";
+ vbus-supply = <&usb_vbus>;
+};
+
&usb1_phy {
status = "okay";
+ vbus-supply = <&usb_vbus>;
+};
+
+&usb0 {
+ status = "okay";
};

&usb1 {
--
2.20.1
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