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@xxxxxxxxxxx>
---
drivers/usb/host/xhci-plat.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index b9f9625467d6..61c95349b998 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;
}
--
2.34.1
