usb: dwc3: Add new updates for DWC_usb31

This patch series adds new updates and some fixes for DWC_usb31.

Changes in v2:
- Add another patch to the series to increase mass_storage max_speed
- Separate "usb: dwc3: ep0: Reset TRB counter for ep0 IN" from series
- Separate "usb: dwc3: gadget: Set maxpacket size for ep0 IN" from series
- Use msleep() instead of mdelay() for SoftReset PHY sync delay
- Rename new USB31 macros from DWC3_USB31_* to DWC31_*
- Rename device properties and replace '_' with '-'
- Minor fixes in the commit messages

Thinh Nguyen (14):
usb: dwc3: Add SoftReset PHY synchonization delay
usb: core: urb: Check SSP isoc ep comp descriptor
usb: dwc3: Update DWC_usb31 GTXFIFOSIZ reg fields
usb: dwc3: Check IP revision for GTXFIFOSIZ
usb: dwc3: Add DWC_usb31 GRXTHRCFG bit fields
usb: dwc3: gadget: Check IP revision for GRXTHRCFG
usb: dwc3: Add DWC_usb31 GTXTHRCFG reg fields
usb: dwc3: Make TX/RX threshold configurable
usb: dwc3: Check for ESS TX/RX threshold config
usb: dwc3: Dump LSP and BMU debug info
usb: dwc3: Track DWC_usb31 VERSIONTYPE
usb: dwc3: Add disabling of start_transfer failure quirk
usb: dwc3: Add workaround for isoc start transfer failure
usb: gadget: mass_storage: Set max_speed to SSP

 Documentation/devicetree/bindings/usb/dwc3.txt |   7 +
 drivers/usb/core/urb.c                         |   8 +
 drivers/usb/dwc3/core.c                        |  72 ++++++++-
 drivers/usb/dwc3/core.h                        |  53 +++++++
 drivers/usb/dwc3/debugfs.c                     |   5 +
 drivers/usb/dwc3/gadget.c                      | 200 ++++++++++++++++++++++++-
 drivers/usb/gadget/legacy/mass_storage.c       |   2 +-
 7 files changed, 338 insertions(+), 9 deletions(-)

2.11.0

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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.

---
 Documentation/devicetree/bindings/usb/dwc3.txt | 4 ++++
 1 file changed, 4 insertions(+)

index 52fb41046b34..a532fa6bf884 100644
@@ -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.
 

2.11.0

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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.

---
 Documentation/devicetree/bindings/usb/dwc3.txt | 3 +++
 1 file changed, 3 insertions(+)

index a532fa6bf884..db53d8506084 100644
@@ -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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