From fb67c6c7bc5850e3159a03ca530d2d74484516f3 Mon Sep 17 00:00:00 2001 From: Conor Dooley Date: Fri, 31 May 2024 08:04:31 +0100 Subject: [PATCH] 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 Acked-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20240531-fountain-plating-1d3739422a26@wendy Signed-off-by: Greg Kroah-Hartman --- .../devicetree/bindings/usb/microchip,mpfs-musb.yaml | 7 +++++++ 1 file changed, 7 insertions(+) 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 -- 2.50.1