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authorHemant Kumar <hemantk@codeaurora.org>2015-08-27 14:49:21 -0700
committerJeevan Shriram <jshriram@codeaurora.org>2016-04-22 15:03:29 -0700
commitb279a34274f95aef623b75aa18de939e15c66006 (patch)
tree746e98fc6b563973a095df2d6da9c05b0cae5280 /Documentation/devicetree
parent6a4f3ec86c9e205575d57a4c3132c31433a921c6 (diff)
usb: dwc3: Add support for GSI event buffer configuration
Add additional event buffers for GSI based hardware accelerated endpoints and its related configuration. CRs-Fixed: 1003784 Change-Id: Ibedf73690040b8bd872f5621835680a66c22e265 Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r--Documentation/devicetree/bindings/usb/dwc3.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt
index f681f3f47e5f..a38104faf261 100644
--- a/Documentation/devicetree/bindings/usb/dwc3.txt
+++ b/Documentation/devicetree/bindings/usb/dwc3.txt
@@ -53,6 +53,9 @@ Optional properties:
- snps,disable-clk-gating: If present, disable controller's internal clock gating. Default it is enabled.
- snps,bus-suspend-enable: If present then controller supports low power mode
during bus suspend.
+ - snps,num-normal-evt-buffs: If present, specifies number of normal event buffers. Default is 1.
+ - snps,num-gsi-evt-buffs: If present, specifies number of GSI based hardware accelerated event buffers.
+ 1 event buffer is needed per h/w accelerated endpoint.
This is usually a subnode to DWC3 glue to which it is connected.
@@ -63,4 +66,5 @@ dwc3@4a030000 {
usb-phy = <&usb2_phy>, <&usb3,phy>;
tx-fifo-resize;
snps,usb3-u1u2-disable;
+ snps,num-gsi-evt-buffs = <0x2>;
};