diff options
Diffstat (limited to 'drivers/usb/host')
| -rw-r--r-- | drivers/usb/host/ehci-mv.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-mv.c b/drivers/usb/host/ehci-mv.c index bd4f6ef534d9..ddb668963955 100644 --- a/drivers/usb/host/ehci-mv.c +++ b/drivers/usb/host/ehci-mv.c @@ -110,6 +110,7 @@ static int mv_ehci_probe(struct platform_device *pdev) struct resource *r; int retval = -ENODEV; u32 offset; + u32 status; if (usb_disabled()) return -ENODEV; @@ -213,6 +214,14 @@ static int mv_ehci_probe(struct platform_device *pdev) device_wakeup_enable(hcd->self.controller); } + if (of_usb_get_phy_mode(pdev->dev.of_node) == USBPHY_INTERFACE_MODE_HSIC) { + status = ehci_readl(ehci, &ehci->regs->port_status[0]); + /* These "reserved" bits actually enable HSIC mode. */ + status |= BIT(25); + status &= ~GENMASK(31, 30); + ehci_writel(ehci, status, &ehci->regs->port_status[0]); + } + dev_info(&pdev->dev, "successful find EHCI device with regs 0x%p irq %d" " working in %s mode\n", hcd->regs, hcd->irq, |