From 26910f977c3f966ce0e513ada42c741f243085ce Mon Sep 17 00:00:00 2001 From: Minda Chen Date: Fri, 21 Jul 2023 17:59:23 +0800 Subject: [PATCH] usb: cdns3: Add PHY mode switch to usb2 PHY cdns3 just set PHY mode switch for USB3.0 PHY. If USB 2.0 PHY contains PHY mode switch setting, USB 2.0 PHY mode function can't be called. So add PHY mode switch function for USB 2.0 PHY. Signed-off-by: Minda Chen Reviewed-by: Roger Quadros Link: https://lore.kernel.org/r/20230721095923.20445-1-minda.chen@starfivetech.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/cdns3/drd.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/usb/cdns3/drd.c b/drivers/usb/cdns3/drd.c index d00ff98dffabf..04b6d12f2b9a3 100644 --- a/drivers/usb/cdns3/drd.c +++ b/drivers/usb/cdns3/drd.c @@ -196,6 +196,7 @@ int cdns_drd_host_on(struct cdns *cdns) if (ret) dev_err(cdns->dev, "timeout waiting for xhci_ready\n"); + phy_set_mode(cdns->usb2_phy, PHY_MODE_USB_HOST); phy_set_mode(cdns->usb3_phy, PHY_MODE_USB_HOST); return ret; } @@ -216,6 +217,7 @@ void cdns_drd_host_off(struct cdns *cdns) readl_poll_timeout_atomic(&cdns->otg_regs->state, val, !(val & OTGSTATE_HOST_STATE_MASK), 1, 2000000); + phy_set_mode(cdns->usb2_phy, PHY_MODE_INVALID); phy_set_mode(cdns->usb3_phy, PHY_MODE_INVALID); } @@ -248,6 +250,7 @@ int cdns_drd_gadget_on(struct cdns *cdns) return ret; } + phy_set_mode(cdns->usb2_phy, PHY_MODE_USB_DEVICE); phy_set_mode(cdns->usb3_phy, PHY_MODE_USB_DEVICE); return 0; } @@ -273,6 +276,7 @@ void cdns_drd_gadget_off(struct cdns *cdns) readl_poll_timeout_atomic(&cdns->otg_regs->state, val, !(val & OTGSTATE_DEV_STATE_MASK), 1, 2000000); + phy_set_mode(cdns->usb2_phy, PHY_MODE_INVALID); phy_set_mode(cdns->usb3_phy, PHY_MODE_INVALID); } EXPORT_SYMBOL_GPL(cdns_drd_gadget_off); -- 2.50.1