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usb: phy: phy-mxs-usb: add power down and disable wakeup for .shutdown

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When we shut down the PHY, we need to power down all PHY's functions
as well as disable wakeup, it is the opposite operation we do at .init.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Peter Chen 2014-12-24 13:48:02 +08:00 committed by Felipe Balbi
parent 6b448af46e
commit fdf80e78ac
1 changed files with 11 additions and 0 deletions
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11
drivers/usb/phy/phy-mxs-usb.c
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@ -293,6 +293,17 @@ static int mxs_phy_init(struct usb_phy *phy)
static void mxs_phy_shutdown(struct usb_phy *phy)
{
struct mxs_phy *mxs_phy = to_mxs_phy(phy);
u32 value = BM_USBPHY_CTRL_ENVBUSCHG_WKUP |
BM_USBPHY_CTRL_ENDPDMCHG_WKUP |
BM_USBPHY_CTRL_ENIDCHG_WKUP |
BM_USBPHY_CTRL_ENAUTOSET_USBCLKS |
BM_USBPHY_CTRL_ENAUTOCLR_USBCLKGATE |
BM_USBPHY_CTRL_ENAUTOCLR_PHY_PWD |
BM_USBPHY_CTRL_ENAUTOCLR_CLKGATE |
BM_USBPHY_CTRL_ENAUTO_PWRON_PLL;
writel(value, phy->io_priv + HW_USBPHY_CTRL_CLR);
writel(0xffffffff, phy->io_priv + HW_USBPHY_PWD);
writel(BM_USBPHY_CTRL_CLKGATE,
phy->io_priv + HW_USBPHY_CTRL_SET);