diff options
Diffstat (limited to 'drivers/usb/host/ehci-mx6.c')
| -rw-r--r-- | drivers/usb/host/ehci-mx6.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/drivers/usb/host/ehci-mx6.c b/drivers/usb/host/ehci-mx6.c index 1bd6147c76..060b02accc 100644 --- a/drivers/usb/host/ehci-mx6.c +++ b/drivers/usb/host/ehci-mx6.c @@ -543,7 +543,7 @@ static int ehci_usb_phy_mode(struct udevice *dev) plat->init_type = USB_INIT_DEVICE; else plat->init_type = USB_INIT_HOST; - } else if (is_mx7()) { + } else if (is_mx7() || is_imx8mm() || is_imx8mn()) { phy_status = (void __iomem *)(addr + USBNC_PHY_STATUS_OFFSET); val = readl(phy_status); @@ -573,9 +573,8 @@ static int ehci_usb_of_to_plat(struct udevice *dev) case USB_DR_MODE_PERIPHERAL: plat->init_type = USB_INIT_DEVICE; break; - case USB_DR_MODE_OTG: - case USB_DR_MODE_UNKNOWN: - return ehci_usb_phy_mode(dev); + default: + plat->init_type = USB_INIT_UNKNOWN; }; return 0; @@ -677,6 +676,20 @@ static int ehci_usb_probe(struct udevice *dev) mdelay(1); #endif + /* + * If the device tree didn't specify host or device, + * the default is USB_INIT_UNKNOWN, so we need to check + * the register. For imx8mm and imx8mn, the clocks need to be + * running first, so we defer the check until they are. + */ + if (priv->init_type == USB_INIT_UNKNOWN) { + ret = ehci_usb_phy_mode(dev); + if (ret) + goto err_clk; + else + priv->init_type = plat->init_type; + } + #if CONFIG_IS_ENABLED(DM_REGULATOR) ret = device_get_supply_regulator(dev, "vbus-supply", &priv->vbus_supply); @@ -741,8 +754,8 @@ err_regulator: #if CONFIG_IS_ENABLED(DM_REGULATOR) if (priv->vbus_supply) regulator_set_enable(priv->vbus_supply, false); -err_clk: #endif +err_clk: #if CONFIG_IS_ENABLED(CLK) clk_disable(&priv->clk); #else |