usb: ohci-exynos: Add facility to use phy provided by the generic phy framework

[cascardo/linux.git] / Documentation / devicetree / bindings / usb / exynos-usb.txt

diff --git a/Documentation/devicetree/bindings/usb/exynos-usb.txt b/Documentation/devicetree/bindings/usb/exynos-usb.txt
index d967ba1..49a9c6f 100644 (file)
--- a/Documentation/devicetree/bindings/usb/exynos-usb.txt
+++ b/Documentation/devicetree/bindings/usb/exynos-usb.txt
@@ -38,6 +38,13 @@ Required properties:
  - interrupts: interrupt number to the cpu.
  - clocks: from common clock binding: handle to usb clock.
  - clock-names: from common clock binding: Shall be "usbhost".
+ - port: if in the SoC there are OHCI phys, they should be listed here.
+   One phy per port. Each port should have following entries:
+       - reg: port number on OHCI controller, e.g
+              On Exynos5250, port 0 is USB2.0 otg phy
+                             port 1 is HSIC phy0
+                             port 2 is HSIC phy1
+       - phys: from the *Generic PHY* bindings, specifying phy used by port.
 
 Example:
        usb@12120000 {
@@ -47,6 +54,15 @@ Example:
 
                clocks = <&clock 285>;
                clock-names = "usbhost";
+
+               #address-cells = <1>;
+               #size-cells = <0>;
+               port@0 {
+                   reg = <0>;
+                   phys = <&usb2phy 1>;
+                   status = "disabled";
+               };
+
        };
 
 DWC3