diff options
| author | Andre Przywara <andre.przywara@arm.com> | 2022-10-31 14:13:57 +0300 |
|---|---|---|
| committer | Jernej Skrabec <jernej.skrabec@gmail.com> | 2022-11-07 22:07:59 +0300 |
| commit | db5f028309ede13767e2ba356c1975ac37a4fd6c (patch) | |
| tree | d3a2b0f4be48ace02fa0cd365d3b5cd8b0e596a1 /arch/arm64/boot/dts/allwinner | |
| parent | f40cf244c3feb4e1a442f8029b691add2c65b3ab (diff) | |
| download | linux-db5f028309ede13767e2ba356c1975ac37a4fd6c.tar.xz | |
arm64: dts: allwinner: h616: OrangePi Zero 2: Add USB nodes
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>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20221031111358.3387297-7-andre.przywara@arm.com
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Diffstat (limited to 'arch/arm64/boot/dts/allwinner')
| -rw-r--r-- | arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts | 41 |
1 files changed, 41 insertions, 0 deletions
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..cb8600d0ea1e 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 +49,24 @@ regulator-max-microvolt = <5000000>; regulator-always-on; }; + + reg_usb1_vbus: 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 */ + }; }; +&ehci1 { + status = "okay"; +}; + +/* USB 2 & 3 are on headers only. */ + &emac0 { pinctrl-names = "default"; pinctrl-0 = <&ext_rgmii_pins>; @@ -76,6 +92,10 @@ status = "okay"; }; +&ohci1 { + status = "okay"; +}; + &r_rsb { status = "okay"; @@ -211,3 +231,24 @@ 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"; +}; |