diff options
Diffstat (limited to 'Documentation/devicetree/bindings/phy/mediatek,tphy.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/phy/mediatek,tphy.yaml | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml index 423b7c4e62f2..6be3aa4557e5 100644 --- a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml +++ b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml @@ -125,6 +125,16 @@ properties: $ref: /schemas/types.yaml#/definitions/uint32 default: 28 + power-domains: + description: + The TPHY of MediaTek should exist within a power domain. The + developer should be aware that the hardware design of MediaTek TPHY + does not require the addition of MTCMOS. If the power to the TPHY + is turned off, it will impact other functions. From the current + perspective of USB hardware design, even if MTCMOS is added to the + TPHY, it should remain always on. + maxItems: 1 + # Required child node: patternProperties: "^(usb|pcie|sata)-phy@[0-9a-f]+$": |