[PATCH] Documentation: dts: fsl-usb: Document USB node compatible string for IP version

[Nikhil Badola]

Document compatible string containing IP version in USB device tree node

Signed-off-by: Nikhil Badola <nikhil.badola at freescale.com>
---
 Documentation/devicetree/bindings/usb/fsl-usb.txt | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/usb/fsl-usb.txt b/Documentation/devicetree/bindings/usb/fsl-usb.txt
index 4779c02..5a3a0a8 100644
--- a/Documentation/devicetree/bindings/usb/fsl-usb.txt
+++ b/Documentation/devicetree/bindings/usb/fsl-usb.txt
@@ -10,7 +10,10 @@ Required properties :
    controllers, or "fsl-usb2-dr" for dual role USB controllers
    or "fsl,mpc5121-usb2-dr" for dual role USB controllers of MPC5121.
    Wherever applicable, the IP version of the USB controller should
-   also be mentioned (for eg. fsl-usb2-dr-v2.2 for bsc9132).
+   also be mentioned in another string.
+   For multi port host USB controller with IP version <IP_Ver>, it should be
+   "fsl-usb2-mph-<IP_Ver>". For dual role USB controller with IP version
+   <IP_Ver>, it should be "fsl-usb2-dr-<IP_Ver>".
  - phy_type : For multi port host USB controllers, should be one of
    "ulpi", or "serial". For dual role USB controllers, should be
    one of "ulpi", "utmi", "utmi_wide", or "serial".
@@ -42,9 +45,9 @@ Optional properties :
  - fsl,invert-pwr-fault : boolean; for MPC5121 USB0 only. Indicates
    the PWR_FAULT signal polarity is inverted.
 
-Example multi port host USB controller device node :
+Example multi port host USB controller version 2.5 device node :
 	usb at 22000 {
-		compatible = "fsl-usb2-mph";
+		compatible = "fsl-usb2-mph-v2.5", "fsl-usb2-mph";
 		reg = <22000 1000>;
 		#address-cells = <1>;
 		#size-cells = <0>;
@@ -55,9 +58,9 @@ Example multi port host USB controller device node :
 		port1;
 	};
 
-Example dual role USB controller device node :
+Example dual role USB controller version 2.5 device node :
 	usb at 23000 {
-		compatible = "fsl-usb2-dr";
+		compatible = "fsl-usb2-dr-v2.5", "fsl-usb2-dr";
 		reg = <23000 1000>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-- 
1.7.11.7