diff options
| -rw-r--r-- | drivers/usb/host/ehci-mx6.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-mx6.c b/drivers/usb/host/ehci-mx6.c index ffe702b..9268e21 100644 --- a/drivers/usb/host/ehci-mx6.c +++ b/drivers/usb/host/ehci-mx6.c @@ -492,6 +492,25 @@ static const struct ehci_ops mx6_ehci_ops = { .init_after_reset = mx6_init_after_reset }; +/** + * board_ehci_usb_phy_mode - override usb phy mode + * @port: usb host/otg port + * + * Target board specific, override usb_phy_mode. + * When usb-otg is used as usb host port, iomux pad usb_otg_id can be + * left disconnected in this case usb_phy_mode will not be able to identify + * the phy mode that usb port is used. + * Machine file overrides board_usb_phy_mode. + * When the extcon property is set in DTB, machine must provide this function, otherwise + * it will default return HOST. + * + * Return: USB_INIT_DEVICE or USB_INIT_HOST + */ +int __weak board_ehci_usb_phy_mode(struct udevice *dev) +{ + return USB_INIT_HOST; +} + static int ehci_usb_phy_mode(struct udevice *dev) { struct usb_platdata *plat = dev_get_platdata(dev); @@ -544,6 +563,7 @@ static int ehci_usb_ofdata_to_platdata(struct udevice *dev) { struct usb_platdata *plat = dev_get_platdata(dev); const char *mode; + const struct fdt_property *extcon; mode = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "dr_mode", NULL); if (mode) { @@ -557,6 +577,13 @@ static int ehci_usb_ofdata_to_platdata(struct udevice *dev) return -EINVAL; return 0; + } else { + extcon = fdt_get_property(gd->fdt_blob, dev_of_offset(dev), + "extcon", NULL); + if (extcon) { + plat->init_type = board_ehci_usb_phy_mode(dev); + return 0; + } } return ehci_usb_phy_mode(dev); |