Allow passing in a custom configuration of the gotgctl register via platform data. This allows for example to override the A/B session valid signals by setting AvalidOvEn / AvalidOvVal and BvalidOvEn / BvalidOvVal bits in GOTGCTL reg.
Signed-off-by: Patrice Chotard patrice.chotard@st.com ---
drivers/usb/gadget/dwc2_udc_otg.c | 3 +++ include/usb/dwc2_udc.h | 1 + 2 files changed, 4 insertions(+)
diff --git a/drivers/usb/gadget/dwc2_udc_otg.c b/drivers/usb/gadget/dwc2_udc_otg.c index 088811c19136..c6c2edf7affa 100644 --- a/drivers/usb/gadget/dwc2_udc_otg.c +++ b/drivers/usb/gadget/dwc2_udc_otg.c @@ -426,6 +426,9 @@ static void reconfig_usbd(struct dwc2_udc *dev)
writel(dflt_gusbcfg, ®->gusbcfg);
+ if (dev->pdata->usb_gotgctl) + writel(dev->pdata->usb_gotgctl, ®->gotgctl); + /* 3. Put the OTG device core in the disconnected state.*/ uTemp = readl(®->dctl); uTemp |= SOFT_DISCONNECT; diff --git a/include/usb/dwc2_udc.h b/include/usb/dwc2_udc.h index 1a370e0e86b5..36ab78dfb7e8 100644 --- a/include/usb/dwc2_udc.h +++ b/include/usb/dwc2_udc.h @@ -20,6 +20,7 @@ struct dwc2_plat_otg_data { unsigned int usb_phy_ctrl; unsigned int usb_flags; unsigned int usb_gusbcfg; + unsigned int usb_gotgctl; unsigned int rx_fifo_sz; unsigned int np_tx_fifo_sz; unsigned int tx_fifo_sz;