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authorNikhil Badola <nikhil.badola@freescale.com>2019-06-24 15:22:15 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-07-03 18:52:20 +0200
commit4f182835508c2d3dc6f5cc0e56b65b4c1ca325f8 (patch)
tree7b026d07f6bb5666fc182ac374f53e187ebbd5d9 /drivers/usb
parente244c4699f859cf7149b0781b1894c7996a8a1df (diff)
downloadlinux-4f182835508c2d3dc6f5cc0e56b65b4c1ca325f8.tar.bz2
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>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/host/ehci-fsl.c6
1 files changed, 6 insertions, 0 deletions
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