| Message ID | 20201014101402.18271-13-Sergey.Semin@baikalelectronics.ru |
|---|---|
| State | Superseded |
| Headers | show |
| Series | dt-bindings: usb: Add generic USB HCD, xHCI, DWC USB3 DT schema | expand |
On Wed, 14 Oct 2020 13:13:54 +0300, Serge Semin wrote: > In accordance with the driver comments the PIPE3 de-emphasis can be tuned > to be either -6dB, -2.5dB or disabled. Let's add the de-emphasis > property restriction so the DT schema would make sure the controller DT > node is equipped with correct value. > > Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru> > > --- > > Changelog v2: > - Grammar fix: "s/tunned/tuned" > - Grammar fix: remove redundant "or" conjunction. > --- > Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 4 ++++ > 1 file changed, 4 insertions(+) > Reviewed-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml index 2f746ac64e71..307affb669aa 100644 --- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml +++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml @@ -145,6 +145,10 @@ properties: The value driven to the PHY is controlled by the LTSSM during USB3 Compliance mode. $ref: /schemas/types.yaml#/definitions/uint8 + enum: + - 0 # -6dB de-emphasis + - 1 # -3.5dB de-emphasis + - 2 # No de-emphasis snps,dis_u3_susphy_quirk: description: When set core will disable USB3 suspend phy
In accordance with the driver comments the PIPE3 de-emphasis can be tuned to be either -6dB, -2.5dB or disabled. Let's add the de-emphasis property restriction so the DT schema would make sure the controller DT node is equipped with correct value. Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru> --- Changelog v2: - Grammar fix: "s/tunned/tuned" - Grammar fix: remove redundant "or" conjunction. --- Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 4 ++++ 1 file changed, 4 insertions(+)