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authorMarek Szyprowski <m.szyprowski@samsung.com>2015-08-21 12:38:37 (GMT)
committerKishon Vijay Abraham I <kishon@ti.com>2015-10-06 14:51:47 (GMT)
commita007ddbaef5317f76bec541688e304f31ad9c4b0 (patch)
treea991e43fb013d8b4397beec3c363aac12a083b44 /Documentation/devicetree/bindings/phy
parent6ff33f3902c3b1c5d0db6b1e2c70b6d76fba357f (diff)
downloadlinux-a007ddbaef5317f76bec541688e304f31ad9c4b0.tar.xz
phy: exynos-usb2: add vbus regulator support
Exynos USB2 PHY has separate power supply, which is usually provided by VBUS regulator. This patch adds support for it. VBUS regulator is optional, to keep compatibility with boards, which have VBUS provided from some always-on power source. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Diffstat (limited to 'Documentation/devicetree/bindings/phy')
-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 60c6f2a..0289d3b 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: