The samsung,picophy-rise-fall-time-adjust property can help to adjust the
rise/fall times of the high-speed transmitter waveform. The value can be
0~3.
Signed-off-by: Xu Yang <xu.yang_2@xxxxxxx>
---
.../devicetree/bindings/usb/ci-hdrc-usb2.yaml | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml
index 782402800d4a..d84c66c342ac 100644
--- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml
+++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml
@@ -292,6 +292,16 @@ properties:
minimum: 0x0
maximum: 0xf
+ samsung,picophy-rise-fall-time-adjust:
+ description:
+ HS Transmitter Rise/Fall Time Adjustment. Adjust the rise/fall times
+ of the high-speed transmitter waveform. The range is from 0x0 to 0x3,
+ the default value is 0x1. Details can refer to TXRISETUNE0 bit of
+ USBNC_n_PHY_CFG1.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0x0
+ maximum: 0x3
+
usb-phy:
description: phandle for the PHY device. Use "phys" instead.
$ref: /schemas/types.yaml#/definitions/phandle
--
2.34.1
