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[06/12] Doc: usb: ci-hdrc-imx: add ahb-burst-config for binding doc

Message ID 1426727963-32280-7-git-send-email-peter.chen@freescale.com
State Needs Review / ACK, archived
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Commit Message

Peter Chen March 19, 2015, 1:19 a.m. UTC 
It is used to change ahb burst configuration for platforms.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
---
 Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt
index c21171e..a548502 100644
--- a/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt
+++ b/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt
@@ -22,6 +22,8 @@  Optional properties:
 - tpl-support: TPL (Targeted Peripheral List) feature for targeted hosts
 - gadget-itc-setting: the ITC setting for gadget, the required value
   should be aligned with ITC bits at register USBCMD.
+- ahb-burst-config: it is vendor dependent, the required value should be
+  aligned with AHBBRST at SBUSCFG, the range is from 0x0 to 0x7.
 
 Examples:
 usb@02184000 { /* USB OTG */
@@ -35,4 +37,5 @@  usb@02184000 { /* USB OTG */
 	maximum-speed = "full-speed";
 	tpl-support;
 	gadget-itc-setting = <0x4>; /* 4 micro-frames */
+	ahb-burst-config = <0x0>; /* Incremental burst of unspecified length */
 };