This patch enables the USB Host controller (USB0) and the relative USB0 PHY.
>From the shematics GPIOAO.BIT5 gpio input for the PWREN signal of the
USB_OTG controller (usb0) which is also linked to USB_HOST controller (usb1).
Add missing phy-supply link to both USB0 and USB1 phy controller
This changes fixed the power issue on usb ports. 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@xxxxxxxxxxxxxx>
Cc: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
Cc: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
Cc: Kevin Hilman <khilman@xxxxxxxxxxxx>
Signed-off-by: Anand Moon <linux.amoon@xxxxxxxxx>
---
Changes from previous patch.
Fix the subject and commit message as per Martin's request
--Add the signal name in the comment
--Replace vbus-supply with phy-supply linking the power supply to phy node as pointed by Marine
which a PWREN signal in the USB_HOST controller (usb1)
USB_VBUS 4 2 0 unknown 5000mV 0mA 5000mV 5000mV
phy-c1108820.phy.1 2 0mA 0mV 0mV
phy-c1108800.phy.0 2 0mA 0mV 0mV
---
arch/arm/boot/dts/meson8b-odroidc1.dts | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/arch/arm/boot/dts/meson8b-odroidc1.dts b/arch/arm/boot/dts/meson8b-odroidc1.dts
index 58669abda259..bfa472a679d9 100644
--- a/arch/arm/boot/dts/meson8b-odroidc1.dts
+++ b/arch/arm/boot/dts/meson8b-odroidc1.dts
@@ -83,6 +83,22 @@
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>;
+
+ /*
+ * signal name from schematics: PWREN
+ */
+ gpio = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
tflash_vdd: regulator-tflash_vdd {
/*
* signal name from schematics: TFLASH_VDD_EN
@@ -295,8 +311,18 @@
pinctrl-names = "default";
};
+&usb0_phy {
+ status = "okay";
+ phy-supply = <&usb_vbus>;
+};
+
&usb1_phy {
status = "okay";
+ phy-supply = <&usb_vbus>;
+};
+
+&usb0 {
+ status = "okay";
};
&usb1 {
--
2.20.1
