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-rw-r--r--dts/Bindings/phy/mediatek,tphy.yaml13
1 files changed, 12 insertions, 1 deletions
diff --git a/dts/Bindings/phy/mediatek,tphy.yaml b/dts/Bindings/phy/mediatek,tphy.yaml
index b3e409988c..5613cc5106 100644
--- a/dts/Bindings/phy/mediatek,tphy.yaml
+++ b/dts/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