| Message ID | 1496044664-13297-3-git-send-email-patrice.chotard@st.com |
|---|---|
| State | Not Applicable |
| Headers | show |
On 29 May 2017 at 01:57, <patrice.chotard@st.com> wrote: > From: Patrice Chotard <patrice.chotard@st.com> > > DWC3 dual role mode is selected using DT "dr_mode" > property. If not found, DWC3 controller is configured > in HOST mode by default > > Signed-off-by: Patrice Chotard <patrice.chotard@st.com> > --- > d4: _ none > v3: _ none > v2: _ none > > drivers/usb/host/xhci-dwc3.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/usb/host/xhci-dwc3.c b/drivers/usb/host/xhci-dwc3.c index ab75fb7..8367ba2 100644 --- a/drivers/usb/host/xhci-dwc3.c +++ b/drivers/usb/host/xhci-dwc3.c @@ -15,6 +15,7 @@ #include "xhci.h" #include <asm/io.h> #include <linux/usb/dwc3.h> +#include <linux/usb/otg.h> DECLARE_GLOBAL_DATA_PTR; @@ -114,6 +115,7 @@ static int xhci_dwc3_probe(struct udevice *dev) struct xhci_hcor *hcor; struct xhci_hccr *hccr; struct dwc3 *dwc3_reg; + enum usb_dr_mode dr_mode; hccr = (struct xhci_hccr *)dev_get_addr(dev); hcor = (struct xhci_hcor *)((phys_addr_t)hccr + @@ -123,6 +125,13 @@ static int xhci_dwc3_probe(struct udevice *dev) dwc3_core_init(dwc3_reg); + dr_mode = usb_get_dr_mode(dev_of_offset(dev)); + if (dr_mode == USB_DR_MODE_UNKNOWN) + /* by default set dual role mode to HOST */ + dr_mode = USB_DR_MODE_HOST; + + dwc3_set_mode(dwc3_reg, dr_mode); + return xhci_register(dev, hccr, hcor); }