| Message ID | 20220911235945.6635-7-andre.przywara@arm.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | arm64: sunxi: h616: Add USB support | expand |
On 12/09/2022 01:59, Andre Przywara wrote: > The OrangePi Zero 2 has one USB-A host port, VBUS is provided by > a GPIO controlled regulator. > The USB-C port is meant to power the board, but is also connected to > the USB 0 port, which we configure as an MUSB peripheral. > > Signed-off-by: Andre Przywara <andre.przywara@arm.com> > --- > .../allwinner/sun50i-h616-orangepi-zero2.dts | 42 +++++++++++++++++++ > 1 file changed, 42 insertions(+) > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts > index 02893f3ac99d..3197dc43397b 100644 > --- a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts > +++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts > @@ -49,8 +49,25 @@ reg_vcc5v: vcc5v { > regulator-max-microvolt = <5000000>; > regulator-always-on; > }; > + > + reg_usb1_vbus: usb1-vbus { Generic node names, so at least generic prefix/suffix (regulator-usb1-vbus) > + compatible = "regulator-fixed"; > + regulator-name = "usb1-vbus"; > + regulator-min-microvolt = <5000000>; > + regulator-max-microvolt = <5000000>; > + vin-supply = <®_vcc5v>; > + enable-active-high; > + gpio = <&pio 2 16 GPIO_ACTIVE_HIGH>; /* PC16 */ > + status = "okay"; No need for status. Best regards, Krzysztof
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts index 02893f3ac99d..3197dc43397b 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts @@ -49,8 +49,25 @@ reg_vcc5v: vcc5v { regulator-max-microvolt = <5000000>; regulator-always-on; }; + + reg_usb1_vbus: usb1-vbus { + compatible = "regulator-fixed"; + regulator-name = "usb1-vbus"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + vin-supply = <®_vcc5v>; + enable-active-high; + gpio = <&pio 2 16 GPIO_ACTIVE_HIGH>; /* PC16 */ + status = "okay"; + }; }; +&ehci1 { + status = "okay"; +}; + +/* USB 2 & 3 are on headers only. */ + &emac0 { pinctrl-names = "default"; pinctrl-0 = <&ext_rgmii_pins>; @@ -76,6 +93,10 @@ &mmc0 { status = "okay"; }; +&ohci1 { + status = "okay"; +}; + &r_rsb { status = "okay"; @@ -211,3 +232,24 @@ &uart0 { pinctrl-0 = <&uart0_ph_pins>; status = "okay"; }; + +&usbotg { + /* + * PHY0 pins are connected to a USB-C socket, but a role switch + * is not implemented: both CC pins are pulled to GND. + * The VBUS pins power the device, so a fixed peripheral mode + * is the best choice. + * The board can be powered via GPIOs, in this case port0 *can* + * act as a host (with a cable/adapter ignoring CC), as VBUS is + * then provided by the GPIOs. Any user of this setup would + * need to adjust the DT accordingly: dr_mode set to "host", + * enabling OHCI0 and EHCI0. + */ + dr_mode = "peripheral"; + status = "okay"; +}; + +&usbphy { + usb1_vbus-supply = <®_usb1_vbus>; + status = "okay"; +};
The OrangePi Zero 2 has one USB-A host port, VBUS is provided by a GPIO controlled regulator. The USB-C port is meant to power the board, but is also connected to the USB 0 port, which we configure as an MUSB peripheral. Signed-off-by: Andre Przywara <andre.przywara@arm.com> --- .../allwinner/sun50i-h616-orangepi-zero2.dts | 42 +++++++++++++++++++ 1 file changed, 42 insertions(+)