diff options
Diffstat (limited to 'arch/arm/plat-mxs')
| -rw-r--r-- | arch/arm/plat-mxs/usb_common.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/plat-mxs/usb_common.c b/arch/arm/plat-mxs/usb_common.c index 5d8d0b6d9285..fa9466090e34 100644 --- a/arch/arm/plat-mxs/usb_common.c +++ b/arch/arm/plat-mxs/usb_common.c @@ -271,6 +271,10 @@ int usbotg_init(struct platform_device *pdev) xops->init(xops); usb_phy_enable(pdata); } + /* Enable internal Phy clock */ + tmp = __raw_readl(pdata->regs + UOG_PORTSC1); + tmp &= ~PORTSC_PHCD; + __raw_writel(tmp, pdata->regs + UOG_PORTSC1); if (pdata->operating_mode == FSL_USB2_DR_HOST) { /* enable FS/LS device */ @@ -288,11 +292,17 @@ EXPORT_SYMBOL(usbotg_init); void usbotg_uninit(struct fsl_usb2_platform_data *pdata) { + int tmp; pr_debug("%s\n", __func__); if (pdata->xcvr_ops && pdata->xcvr_ops->uninit) pdata->xcvr_ops->uninit(pdata->xcvr_ops); + /* Disable internal Phy clock */ + tmp = __raw_readl(pdata->regs + UOG_PORTSC1); + tmp |= PORTSC_PHCD; + __raw_writel(tmp, pdata->regs + UOG_PORTSC1); + pdata->regs = NULL; otg_used--; } |