diff options
| author | Michal Simek <michal.simek@xilinx.com> | 2022-03-09 10:05:45 +0100 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2022-04-22 10:35:14 +0200 |
| commit | 142d50fbce7c364a74f5e8204dba491b9f066e6c (patch) | |
| tree | c65a5484eae44f4917dffd0bd24c7e17c405e0d1 /drivers | |
| parent | e81782ab883552dd48f5109ba41327b879a92498 (diff) | |
usb: dwc3: Add support for usb3-phy PHY configuration
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/dwc3/dwc3-generic.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/dwc3-generic.c b/drivers/usb/dwc3/dwc3-generic.c index 01bd0ca190..2c5205df62 100644 --- a/drivers/usb/dwc3/dwc3-generic.c +++ b/drivers/usb/dwc3/dwc3-generic.c @@ -14,6 +14,7 @@ #include <dm/device-internal.h> #include <dm/lists.h> #include <dwc3-uboot.h> +#include <generic-phy.h> #include <linux/bitops.h> #include <linux/delay.h> #include <linux/usb/ch9.h> @@ -409,6 +410,17 @@ 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 +432,12 @@ 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; |