MLK-10088-14 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>

diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c
index 0e0c41587a08b77cea9e49178de1c420a67405dc..cca00b7fa42584761b3c039a109c391c31f5cff8 100644 (file)
--- a/drivers/usb/phy/phy-mxs-usb.c
+++ b/drivers/usb/phy/phy-mxs-usb.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2014 Freescale Semiconductor, Inc.
+ * Copyright 2012-2015 Freescale Semiconductor, Inc.
  * Copyright (C) 2012 Marek Vasut <marex@denx.de>
  * on behalf of DENX Software Engineering GmbH
  *
@@ -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);