[v2,08/14] usb: dwc3: Make TX/RX threshold configurable

Message ID 6f1173cd1b3ec99f6d90c302f755cdad6ba377b2.1515618218.git.thinhn@synopsys.com
State Superseded, archived
Headers show
  • usb: dwc3: Add new updates for DWC_usb31
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Commit Message

Thinh Nguyen Jan. 10, 2018, 9:15 p.m.
DWC_usb31 periodic transfer at 48K+ bytes per interval may need
modification to the TX/RX packet threshold to achieve optimal result.
Add properties to make it configurable.

Cc: John Youn <johnyoun@synopsys.com>
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
 Documentation/devicetree/bindings/usb/dwc3.txt | 4 ++++
 1 file changed, 4 insertions(+)


diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt
index 52fb41046b34..a532fa6bf884 100644
--- a/Documentation/devicetree/bindings/usb/dwc3.txt
+++ b/Documentation/devicetree/bindings/usb/dwc3.txt
@@ -55,6 +55,10 @@  Optional properties:
  - snps,quirk-frame-length-adjustment: Value for GFLADJ_30MHZ field of GFLADJ
 	register for post-silicon frame length adjustment when the
 	fladj_30mhz_sdbnd signal is invalid or incorrect.
+ - snps,rx-thr-num-pkt-prd: periodic ESS RX packet threshold count.
+ - snps,rx-max-burst-prd: Max periodic ESS RX burst size.
+ - snps,tx-thr-num-pkt-prd: periodic ESS TX packet threshold count.
+ - snps,tx-max-burst-prd: Max periodic ESS TX burst size.
  - <DEPRECATED> tx-fifo-resize: determines if the FIFO *has* to be reallocated.