diff options
Diffstat (limited to 'Documentation/devicetree/bindings/phy/mediatek,tphy.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/phy/mediatek,tphy.yaml | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml index b3e409988c17..5613cc5106e3 100644 --- a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml +++ b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml @@ -5,7 +5,7 @@ $id: http://devicetree.org/schemas/phy/mediatek,tphy.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: MediaTek T-PHY Controller Device Tree Bindings +title: MediaTek T-PHY Controller maintainers: - Chunfeng Yun <chunfeng.yun@mediatek.com> @@ -163,6 +163,7 @@ patternProperties: - PHY_TYPE_USB3 - PHY_TYPE_PCIE - PHY_TYPE_SATA + - PHY_TYPE_SGMII nvmem-cells: items: @@ -218,6 +219,16 @@ patternProperties: minimum: 1 maximum: 15 + mediatek,pre-emphasis: + description: + The level of pre-emphasis which used to widen the eye opening and + boost eye swing, the unit step is about 4.16% increment; e.g. the + level 1 means amplitude increases about 4.16%, the level 2 is about + 8.3% etc. (U2 phy) + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 1 + maximum: 3 + mediatek,bc12: description: Specify the flag to enable BC1.2 if support it |