usb: fsl: Set USB_EN bit to select ULPI phy

Set USB_EN bit to select ULPI phy for USB controller version 2.5

Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com>
Signed-off-by: Yinbo Zhu <yinbo.zhu@nxp.com>
Link: https://lore.kernel.org/r/20190624072219.15258-1-yinbo.zhu@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index e3d0c1c251603315ad20c121dde0886d810a65ed..38674b7aa51e99c9e23a898ad80d64aab440daf8 100644 (file)
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -122,6 +122,12 @@ static int fsl_ehci_drv_probe(struct platform_device *pdev)
                tmp |= 0x4;
                iowrite32be(tmp, hcd->regs + FSL_SOC_USB_CTRL);
        }
+
+       /* Set USB_EN bit to select ULPI phy for USB controller version 2.5 */
+       if (pdata->controller_ver == FSL_USB_VER_2_5 &&
+           pdata->phy_mode == FSL_USB2_PHY_ULPI)
+               iowrite32be(USB_CTRL_USB_EN, hcd->regs + FSL_SOC_USB_CTRL);
+
        /*
         * Enable UTMI phy and program PTS field in UTMI mode before asserting
         * controller reset for USB Controller version 2.5