[PATCH v3 4/5] usb: doc: chipidea: imx: add compatiable string for imx28 SoC

[Peter Chen]

Due to imx28 usb has special write requirement compared to other imx SoCs.

Signed-off-by: Peter Chen <peter.chen at freescale.com>
---
Changes for v3:
- 4/5, 5/5 are added

 .../devicetree/bindings/usb/ci13xxx-imx.txt        |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/Documentation/devicetree/bindings/usb/ci13xxx-imx.txt b/Documentation/devicetree/bindings/usb/ci13xxx-imx.txt
index b4b5b79..a502d41 100644
--- a/Documentation/devicetree/bindings/usb/ci13xxx-imx.txt
+++ b/Documentation/devicetree/bindings/usb/ci13xxx-imx.txt
@@ -1,7 +1,8 @@
 * Freescale i.MX ci13xxx usb controllers
 
 Required properties:
-- compatible: Should be "fsl,imx27-usb"
+- compatible: "fsl,imx28-usb" for imx28 SoC, "fsl,imx27-usb" for
+non-imx28 SoC.
 - reg: Should contain registers location and length
 - interrupts: Should contain controller interrupt
 
-- 
1.7.1