diff options
-rw-r--r-- | Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml b/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml index e6f9f5540cc3..dc3a3f709fea 100644 --- a/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml +++ b/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml @@ -35,6 +35,53 @@ properties: description: A phandle to the regulator for USB VBUS. + fsl,phy-tx-vref-tune-percent: + description: + Tunes the HS DC level relative to the nominal level + minimum: 94 + maximum: 124 + + fsl,phy-tx-rise-tune-percent: + description: + Adjusts the rise/fall time duration of the HS waveform relative to + its nominal value + minimum: 97 + maximum: 103 + + fsl,phy-tx-preemp-amp-tune-microamp: + description: + Adjust amount of current sourced to DPn and DMn after a J-to-K + or K-to-J transition. Default is 0 (disabled). + minimum: 0 + maximum: 1800 + + fsl,phy-tx-vboost-level-microvolt: + description: + Adjust the boosted transmit launch pk-pk differential amplitude + minimum: 880 + maximum: 1120 + + fsl,phy-comp-dis-tune-percent: + description: + Adjust the voltage level used to detect a disconnect event at the host + relative to the nominal value + minimum: 91 + maximum: 115 + + fsl,phy-pcs-tx-deemph-3p5db-attenuation-db: + description: + Adjust TX de-emphasis attenuation in dB at nominal + 3.5dB point as per USB specification + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 36 + + fsl,phy-pcs-tx-swing-full-percent: + description: + Scaling of the voltage defined by fsl,phy-tx-vboost-level-microvolt + minimum: 0 + maximum: 100 + required: - compatible - reg |