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 b9589f6..eaf94b0 100644
--- a/drivers/usb/phy/phy-mxs-usb.c
+++ b/drivers/usb/phy/phy-mxs-usb.c
@@ -293,6 +293,17 @@
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);