In DWC_usb31 version 1.70a-ea06 and prior needs a SW workaround for isoc
START TRANSFER command failure. However, some affected versions may have
RTL patches to fix this without a SW workaround. Add this quirk to
disable the SW workaround when it is not needed.
Synopsys STAR 9001202023: Wrong microframe number for isochronous IN
endpoints.
Cc: John Youn <johny...@synopsys.com>
Signed-off-by: Thinh Nguyen <thi...@synopsys.com>
---
Documentation/devicetree/bindings/usb/dwc3.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt
b/Documentation/devicetree/bindings/usb/dwc3.txt
index 02dde83d02fa..c03a3b363cde 100644
--- a/Documentation/devicetree/bindings/usb/dwc3.txt
+++ b/Documentation/devicetree/bindings/usb/dwc3.txt
@@ -15,6 +15,9 @@ Optional properties:
- phys: from the *Generic PHY* bindings
- phy-names: from the *Generic PHY* bindings; supported names are "usb2-phy"
or "usb3-phy".
+ - snps,dis_start_transfer_quirk: when set, disable isoc START TRANSFER command
+ failure SW work-around for DWC_usb31 version 1.70a-ea06
+ and prior.
- snps,usb3_lpm_capable: determines if platform is USB3 LPM capable
- snps,disable_scramble_quirk: true when SW should disable data scrambling.
Only really useful for FPGA builds.
--
2.11.0
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