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

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>

diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c
index b9589f6636832ce3255178be31b9a3d46bb6884c..eaf94b036571579dc1d60f425388d6818c05d018 100644 (file)
--- a/drivers/usb/phy/phy-mxs-usb.c
+++ b/drivers/usb/phy/phy-mxs-usb.c
@@ -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);