diff options
| author | Stanley Chang <stanley_chang@realtek.com> | 2023-04-07 09:07:31 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-04-20 11:13:21 +0300 |
| commit | 9134c1fd05034dd29a1a2f010abd178af409171e (patch) | |
| tree | 19387d109bac62dd45594dfaae2f1efbcca00142 /drivers/usb | |
| parent | f3588ea40aa17273c3303789b1828b3aa6b80748 (diff) | |
| download | linux-9134c1fd05034dd29a1a2f010abd178af409171e.tar.xz | |
usb: xhci: plat: Add USB 3.0 phy support
For Realtek SoC, the usb xhci uses different driver for u2phy and u3phy.
Therefore, add a hook to retrieve the USB 3.0 PHY to XHCI plat.
Signed-off-by: Stanley Chang <stanley_chang@realtek.com>
Link: https://lore.kernel.org/r/20230407060731.20537-1-stanley_chang@realtek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/xhci-plat.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index 76c5a84616ea..b0c8e8efc43b 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -291,6 +291,21 @@ int xhci_plat_probe(struct platform_device *pdev, struct device *sysdev, const s goto dealloc_usb2_hcd; } + xhci->shared_hcd->usb_phy = devm_usb_get_phy_by_phandle(sysdev, + "usb-phy", 1); + if (IS_ERR(xhci->shared_hcd->usb_phy)) { + if (PTR_ERR(xhci->shared_hcd->usb_phy) != -ENODEV) + dev_err(sysdev, "%s get usb3phy fail (ret=%d)\n", + __func__, + (int)PTR_ERR(xhci->shared_hcd->usb_phy)); + xhci->shared_hcd->usb_phy = NULL; + } else { + ret = usb_phy_init(xhci->shared_hcd->usb_phy); + if (ret) + dev_err(sysdev, "%s init usb3phy fail (ret=%d)\n", + __func__, ret); + } + xhci->shared_hcd->tpl_support = hcd->tpl_support; } |