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
+ $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
+ $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
+ $ref: /schemas/types.yaml#/definitions/uint32
+
required:
- compatible
- reg
--
2.39.2
