diff options
Diffstat (limited to 'drivers/usb/chipidea/host.c')
| -rw-r--r-- | drivers/usb/chipidea/host.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c index 21fe1a314313..6cf87b8b13a8 100644 --- a/drivers/usb/chipidea/host.c +++ b/drivers/usb/chipidea/host.c @@ -37,12 +37,14 @@ static int (*orig_bus_suspend)(struct usb_hcd *hcd); struct ehci_ci_priv { struct regulator *reg_vbus; + struct ci_hdrc *ci; }; static int ehci_ci_portpower(struct usb_hcd *hcd, int portnum, bool enable) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); struct ehci_ci_priv *priv = (struct ehci_ci_priv *)ehci->priv; + struct ci_hdrc *ci = priv->ci; struct device *dev = hcd->self.controller; int ret = 0; int port = HCS_N_PORTS(ehci->hcs_params); @@ -64,6 +66,15 @@ static int ehci_ci_portpower(struct usb_hcd *hcd, int portnum, bool enable) return ret; } } + + if (enable && (ci->platdata->phy_mode == USBPHY_INTERFACE_MODE_HSIC)) { + /* + * Marvell 28nm HSIC PHY requires forcing the port to HS mode. + * As HSIC is always HS, this should be safe for others. + */ + hw_port_test_set(ci, 5); + hw_port_test_set(ci, 0); + } return 0; }; @@ -112,6 +123,7 @@ static int host_start(struct ci_hdrc *ci) priv = (struct ehci_ci_priv *)ehci->priv; priv->reg_vbus = NULL; + priv->ci = ci; if (ci->platdata->reg_vbus && !ci_otg_is_fsm_mode(ci)) { if (ci->platdata->flags & CI_HDRC_TURN_VBUS_EARLY_ON) { |