[PATCH v6 1/5] usb: fsl: Set USB_EN bit to select ULPI phy

From: Yinbo Zhu
Date: Wed Jun 05 2019 - 01:52:16 EST


From: Nikhil Badola <nikhil.badola@xxxxxxxxxxxxx>

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

Signed-off-by: Nikhil Badola <nikhil.badola@xxxxxxxxxxxxx>
Signed-off-by: Yinbo Zhu <yinbo.zhu@xxxxxxx>
---
drivers/usb/host/ehci-fsl.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index e3d0c1c25160..38674b7aa51e 100644
--- 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
--
2.17.1