diff options
| author | Conor Dooley <conor.dooley@microchip.com> | 2024-05-31 08:04:31 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-06-04 15:42:45 +0200 |
| commit | fb67c6c7bc5850e3159a03ca530d2d74484516f3 (patch) | |
| tree | b5c834c3ef805c1eda2bf3ca7de398b11b261d07 /Documentation | |
| parent | e44f31e2b98361423ed52e79a4e6126da4706b20 (diff) | |
dt-bindings: musb: mpfs: add ULPI external vbus support
Add a property to allow configuring the musb controller on PolarFire SoC
to use an external vbus for ULPI PHYs.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240531-fountain-plating-1d3739422a26@wendy
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/usb/microchip,mpfs-musb.yaml | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/microchip,mpfs-musb.yaml b/Documentation/devicetree/bindings/usb/microchip,mpfs-musb.yaml index c5e9ce2e7bc2..27b909de4992 100644 --- a/Documentation/devicetree/bindings/usb/microchip,mpfs-musb.yaml +++ b/Documentation/devicetree/bindings/usb/microchip,mpfs-musb.yaml @@ -34,6 +34,13 @@ properties: clocks: maxItems: 1 + microchip,ext-vbus-drv: + description: + Some ULPI USB PHYs do not support an internal VBUS supply and driving + the CPEN pin requires the configuration of the UPLI_USE__EXTVBUS + bit in ULPI_BUSCONTROL. + $ref: /schemas/types.yaml#/definitions/flag + required: - compatible - reg |