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arm64: dts: allwinner: h616: OrangePi Zero 2: Add USB nodes

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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>
This commit is contained in:
Andre Przywara
2022-10-31 11:13:57 +00:00
committed by Jernej Skrabec
parent f40cf244c3
commit db5f028309
1 changed files with 41 additions and 0 deletions
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41
arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts
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@@ -49,8 +49,24 @@ reg_vcc5v: vcc5v {
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 = <&reg_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 @@ &mmc0 {
status = "okay";
};
&ohci1 {
status = "okay";
};
&r_rsb {
status = "okay";
@@ -211,3 +231,24 @@ &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 = <&reg_usb1_vbus>;
status = "okay";
};