This board is configured with CONFIG_USB1_VBUS_PIN="PH24", but no regulator exists in its device tree. Add the regulator, so USB will continue to work when the PHY driver switches to using the regulator uclass instead of a GPIO.
Update the device tree here because it does not exist in Linux.
Signed-off-by: Samuel Holland samuel@sholland.org ---
arch/arm/dts/sun6i-a31-mixtile-loftq.dts | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/arch/arm/dts/sun6i-a31-mixtile-loftq.dts b/arch/arm/dts/sun6i-a31-mixtile-loftq.dts index dde9bdf2f9..bd98fb3e6a 100644 --- a/arch/arm/dts/sun6i-a31-mixtile-loftq.dts +++ b/arch/arm/dts/sun6i-a31-mixtile-loftq.dts @@ -6,6 +6,9 @@ */
/dts-v1/; + +#include <dt-bindings/gpio/gpio.h> + #include "sun6i-a31.dtsi"
/ { @@ -19,6 +22,15 @@ chosen { stdout-path = "serial0:115200n8"; }; + + reg_usb1_vbus: usb1-vbus { + compatible = "regulator-fixed"; + regulator-name = "usb1-vbus"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + enable-active-high; + gpio = <&pio 7 24 GPIO_ACTIVE_HIGH>; /* PH24 */ + }; };
&ehci0 { @@ -56,3 +68,8 @@ pinctrl-0 = <&uart0_ph_pins>; status = "okay"; }; + +&usbphy { + usb1_vbus-supply = <®_usb1_vbus>; + status = "okay"; +};