diff options
| author | Mark Kettenis | 2021-09-16 16:00:09 +0200 |
|---|---|---|
| committer | Ramon Fried | 2021-09-28 18:50:55 +0300 |
| commit | 275c4f25f752f313d8284b4176889c4dd0a7940b (patch) | |
| tree | cd8be5e61c792ba194c2bcf4fd7f40c470455efa /drivers | |
| parent | e2a41bf63836e9336b4b301d26719445efb828c7 (diff) | |
usb: xhci-dwc3: Add support for USB 3.1 controllers
This adds support for the DWC_sub31 controllers such as those
found on Apple's M1 SoC. This version of the controller
seems to work fine with the existing driver.
Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/xhci-dwc3.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-dwc3.c b/drivers/usb/host/xhci-dwc3.c index 5b12d1358e4..bec0d980811 100644 --- a/drivers/usb/host/xhci-dwc3.c +++ b/drivers/usb/host/xhci-dwc3.c @@ -74,7 +74,8 @@ int dwc3_core_init(struct dwc3 *dwc3_reg) revision = readl(&dwc3_reg->g_snpsid); /* This should read as U3 followed by revision number */ - if ((revision & DWC3_GSNPSID_MASK) != 0x55330000) { + if ((revision & DWC3_GSNPSID_MASK) != 0x55330000 && + (revision & DWC3_GSNPSID_MASK) != 0x33310000) { puts("this is not a DesignWare USB3 DRD Core\n"); return -1; } |