On 05/04/2023 13:21, Johannes Zink wrote: > Add optional properties for tuning of usb phy. > > Signed-off-by: Johannes Zink <j.zink@xxxxxxxxxxxxxx> > --- > .../bindings/phy/fsl,imx8mq-usb-phy.yaml | 40 +++++++++++++++++++ > 1 file changed, 40 insertions(+) > > diff --git a/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml b/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml > index e6f9f5540cc3..f452a41b4f32 100644 > --- a/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml > +++ b/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml > @@ -35,6 +35,46 @@ properties: > description: > A phandle to the regulator for USB VBUS. > > + fsl,phy-tx-vref-tune: > + description: > + HS DC Voltage level adjustment "Level" in what units? > + $ref: /schemas/types.yaml#/definitions/uint32 > + enum: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16] > + > + fsl,phy-tx-rise-tune: > + description: > + HS Transmitter Rise/Fall Time Adjustment > + $ref: /schemas/types.yaml#/definitions/uint32 > + enum: [0, 1, 2, 3] > + > + fsl,phy-tx-preemp-amp-tune: > + description: > + HS Transmitter Pre-Emphasis Current Control If this is current then use standard unit suffixes. > + $ref: /schemas/types.yaml#/definitions/uint32 > + enum: [0, 1, 2, 3] > + > + fsl,phy-tx-vboost-level: > + description: > + TX Voltage Boost Level > + $ref: /schemas/types.yaml#/definitions/uint32 > + enum: [0, 2, 3] > + > + fsl,phy-comp-dis-tune: > + description: > + Disconnect Threshold Adjustment > + $ref: /schemas/types.yaml#/definitions/uint32 > + enum: [0, 1, 2, 3, 4, 5, 6, 7] > + > + fsl,phy-pcs-tx-deemph-3p5db: > + description: > + TX De-Emphasis at 3.5 dB > + $ref: /schemas/types.yaml#/definitions/uint32 > + > + fsl,phy-pcs-tx-swing-full: > + description: > + TX Amplitude I have feeling you just pasted here short titles from datasheet. They are not that helpful. Best regards, Krzysztof
