Re: [PATCH] dt-bindings: usb: dwc2: Add otg-rev property documentation
From: Rob Herring <robh@kernel.org>
Date: 2021-10-29 02:09:10
Also in:
linux-devicetree
On Sun, Oct 24, 2021 at 02:36:52AM +0200, Marek Vasut wrote:
Copy the otg-rev property documentation from usb-drd.yaml into the DWC2 binding document, since some users of the DWC2 IP like STM32MP1 use the otg-rev property in DT bindings for this controller. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: devicetree@vger.kernel.org --- NOTE: Shouldn't this somehow be part of the USB core bindings instead?
Yes, usb-drd.yaml IIRC
quoted hunk ↗ jump to hunk
--- Documentation/devicetree/bindings/usb/dwc2.yaml | 10 ++++++++++ 1 file changed, 10 insertions(+)diff --git a/Documentation/devicetree/bindings/usb/dwc2.yaml b/Documentation/devicetree/bindings/usb/dwc2.yaml index 10c7d9b6cc53f..254436c19870b 100644 --- a/Documentation/devicetree/bindings/usb/dwc2.yaml +++ b/Documentation/devicetree/bindings/usb/dwc2.yaml@@ -120,6 +120,16 @@ properties: $ref: /schemas/types.yaml#/definitions/uint32-array description: size of periodic tx fifo per endpoint (except ep0) in gadget mode. + otg-rev: + description: + Tells usb driver the release number of the OTG and EH supplement with + which the device and its descriptors are compliant, in binary-coded + decimal (i.e. 2.0 is 0200H). This property is used if any real OTG + features (HNP/SRP/ADP) is enabled. If ADP is required, otg-rev should be + 0x0200 or above. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0x0100, 0x0120, 0x0130, 0x0200] + snps,need-phy-for-wake: $ref: /schemas/types.yaml#/definitions/flag description: If present indicates that the phy needs to be left on for-- 2.33.0