diff options
| author | Patrice Chotard | 2017-07-18 11:38:41 +0200 |
|---|---|---|
| committer | Marek Vasut | 2017-07-28 23:34:03 +0200 |
| commit | 576e3cc700c598487fed741ee85103373a3f69d6 (patch) | |
| tree | 2226e13c5883ce1ad9902445f0497b3fdda39730 /drivers | |
| parent | b7c1c7d2bad9eb052e80b28af6005d7f0ba1db30 (diff) | |
usb: host: xhci-dwc3: Add dual role mode support from DT
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>
Reviewed-by: Marek Vasut <marex@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/xhci-dwc3.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-dwc3.c b/drivers/usb/host/xhci-dwc3.c index fb106f328a5..93ae986b4d7 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; @@ -110,6 +111,7 @@ 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 *)devfdt_get_addr(dev); hcor = (struct xhci_hcor *)((phys_addr_t)hccr + @@ -119,6 +121,13 @@ 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); } |