On Fri, Sep 10, 2021 at 07:38:42PM +0300, cristian.birsan@xxxxxxxxxxxxx wrote: > From: Cristian Birsan <cristian.birsan@xxxxxxxxxxxxx> > > Add support for USB Host High Speed Port HSIC phy. > > Signed-off-by: Cristian Birsan <cristian.birsan@xxxxxxxxxxxxx> > --- Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> > drivers/usb/host/ehci-atmel.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c > index e893467d659c..05d41fd65f25 100644 > --- a/drivers/usb/host/ehci-atmel.c > +++ b/drivers/usb/host/ehci-atmel.c > @@ -18,6 +18,8 @@ > #include <linux/platform_device.h> > #include <linux/usb.h> > #include <linux/usb/hcd.h> > +#include <linux/usb/phy.h> > +#include <linux/usb/of.h> > > #include "ehci.h" > > @@ -25,6 +27,9 @@ > > static const char hcd_name[] = "ehci-atmel"; > > +#define EHCI_INSNREG(index) ((index) * 4 + 0x90) > +#define EHCI_INSNREG08_HSIC_EN BIT(2) > + > /* interface and function clocks */ > #define hcd_to_atmel_ehci_priv(h) \ > ((struct atmel_ehci_priv *)hcd_to_ehci(h)->priv) > @@ -154,6 +159,9 @@ static int ehci_atmel_drv_probe(struct platform_device *pdev) > goto fail_add_hcd; > device_wakeup_enable(hcd->self.controller); > > + if (of_usb_get_phy_mode(pdev->dev.of_node) == USBPHY_INTERFACE_MODE_HSIC) > + writel(EHCI_INSNREG08_HSIC_EN, hcd->regs + EHCI_INSNREG(8)); > + > return retval; > > fail_add_hcd: > -- > 2.25.1 >
