diff options
| author | Caleb Connolly <caleb.connolly@linaro.org> | 2024-04-23 16:15:06 +0200 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2024-08-11 19:45:36 +0200 |
| commit | ef1e322f3e1d9a221a1ee6109f6571429ee9fb4a (patch) | |
| tree | 124ccf0a10d134744b0a36fdc7dc4c94f55b7401 /drivers/usb/dwc3/core.c | |
| parent | 7bd2559cb30a4e800db519e88a22a25f13c753ec (diff) | |
usb: dwc3: support USB 3.1 controllers
The revision is different for these, add the additional check as in
xhci-dwc3 core_init code.
Equivalent upstream Linux patch:
690fb3718a70 ("usb: dwc3: Support Synopsys USB 3.1 IP")
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
Reviewed-by: Marek Vasut <marex@denx.de>
Diffstat (limited to 'drivers/usb/dwc3/core.c')
| -rw-r--r-- | drivers/usb/dwc3/core.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index c443d56746d..a35b8c2f646 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -594,7 +594,8 @@ static int dwc3_core_init(struct dwc3 *dwc) reg = dwc3_readl(dwc->regs, DWC3_GSNPSID); /* This should read as U3 followed by revision number */ - if ((reg & DWC3_GSNPSID_MASK) != 0x55330000) { + if ((reg & DWC3_GSNPSID_MASK) != 0x55330000 && + (reg & DWC3_GSNPSID_MASK) != 0x33310000) { dev_err(dwc->dev, "this is not a DesignWare USB3 DRD Core\n"); ret = -ENODEV; goto err0; |