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-rw-r--r--dts/Bindings/phy/phy-mtk-tphy.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/dts/Bindings/phy/phy-mtk-tphy.txt b/dts/Bindings/phy/phy-mtk-tphy.txt
index 0d34b2b..a5f7a4f 100644
--- a/dts/Bindings/phy/phy-mtk-tphy.txt
+++ b/dts/Bindings/phy/phy-mtk-tphy.txt
@@ -47,6 +47,12 @@ Required properties (port (child) node):
- PHY_TYPE_PCIE
- PHY_TYPE_SATA
+Optional properties (PHY_TYPE_USB2 port (child) node):
+- mediatek,eye-src : u32, the value of slew rate calibrate
+- mediatek,eye-vrt : u32, the selection of VRT reference voltage
+- mediatek,eye-term : u32, the selection of HS_TX TERM reference voltage
+- mediatek,bc12 : bool, enable BC12 of u2phy if support it
+
Example:
u3phy: usb-phy@11290000 {