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-rw-r--r--Documentation/devicetree/bindings/phy/samsung-phy.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/phy/samsung-phy.txt b/Documentation/devicetree/bindings/phy/samsung-phy.txt
index 60c6f2a633e0..0289d3b07853 100644
--- a/Documentation/devicetree/bindings/phy/samsung-phy.txt
+++ b/Documentation/devicetree/bindings/phy/samsung-phy.txt
@@ -44,6 +44,9 @@ Required properties:
- the "ref" clock is used to get the rate of the clock provided to the
PHY module
+Optional properties:
+- vbus-supply: power-supply phandle for vbus power source
+
The first phandle argument in the PHY specifier identifies the PHY, its
meaning is compatible dependent. For the currently supported SoCs (Exynos 4210
and Exynos 4212) it is as follows: