When usb3-phy label is found, PHY driver is called and serdes line is initialized. This is preparation for serdes/psgtr driver to configure GT lines based on description in DT.
Signed-off-by: Michal Simek michal.simek@xilinx.com ---
drivers/usb/dwc3/dwc3-generic.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/drivers/usb/dwc3/dwc3-generic.c b/drivers/usb/dwc3/dwc3-generic.c index 01bd0ca190e3..b1e019b5b91a 100644 --- a/drivers/usb/dwc3/dwc3-generic.c +++ b/drivers/usb/dwc3/dwc3-generic.c @@ -409,6 +409,17 @@ static int dwc3_glue_probe(struct udevice *dev) struct udevice *child = NULL; int index = 0; int ret; + struct phy phy; + + ret = generic_phy_get_by_name(dev, "usb3-phy", &phy); + if (!ret) { + ret = generic_phy_init(&phy); + if (ret) + return ret; + } else if (ret != -ENOENT) { + debug("could not get phy (err %d)\n", ret); + return ret; + }
glue->regs = dev_read_addr(dev);
@@ -420,6 +431,12 @@ static int dwc3_glue_probe(struct udevice *dev) if (ret) return ret;
+ if (phy.dev) { + ret = generic_phy_power_on(&phy); + if (ret) + return ret; + } + ret = device_find_first_child(dev, &child); if (ret) return ret;