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-rw-r--r--Documentation/devicetree/bindings/usb/samsung-usbphy.txt12
1 files changed, 10 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/usb/samsung-usbphy.txt b/Documentation/devicetree/bindings/usb/samsung-usbphy.txt
index 22d06cfdb07..033194934f6 100644
--- a/Documentation/devicetree/bindings/usb/samsung-usbphy.txt
+++ b/Documentation/devicetree/bindings/usb/samsung-usbphy.txt
@@ -1,15 +1,23 @@
* Samsung's usb phy transceiver
-The Samsung's phy transceiver is used for controlling usb otg phy for
-s3c-hsotg usb device controller.
+The Samsung's phy transceiver is used for controlling usb phy for
+s3c-hsotg as well as ehci-s5p and ohci-exynos usb controllers
+across Samsung SOCs.
TODO: Adding the PHY binding with controller(s) according to the under
developement generic PHY driver.
Required properties:
+
+Exynos4210:
- compatible : should be "samsung,exynos4210-usbphy"
- reg : base physical address of the phy registers and length of memory mapped
region.
+Exynos5250:
+- compatible : should be "samsung,exynos5250-usbphy"
+- reg : base physical address of the phy registers and length of memory mapped
+ region.
+
Optional properties:
- #address-cells: should be '1' when usbphy node has a child node with 'reg'
property.