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[10/12] Doc: usb: ci-hdrc-imx: add tx(rx)-burst-config-dword for binding doc

Message ID 1426727963-32280-11-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 override the default setting for burst size, changing
burst size takes effect only when the SBUSCFG.AHBBRST = 0.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
---
 Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt | 6 ++++++
 1 file changed, 6 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 a548502..892bac8 100644
--- a/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt
+++ b/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt
@@ -24,6 +24,10 @@  Optional properties:
   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.
+- tx-burst-size-dword: it is vendor dependent, the tx burst size in dword
+  (4 bytes)
+- rx-burst-size-dword: it is vendor dependent, the rx burst size in dword
+  (4 bytes)
 
 Examples:
 usb@02184000 { /* USB OTG */
@@ -38,4 +42,6 @@  usb@02184000 { /* USB OTG */
 	tpl-support;
 	gadget-itc-setting = <0x4>; /* 4 micro-frames */
 	ahb-burst-config = <0x0>; /* Incremental burst of unspecified length */
+	tx-burst-size-dword = <0x10>;
+	rx-burst-size-dword = <0x10>;
 };