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Commit fdf80e78 authored by Peter Chen's avatar Peter Chen Committed by Felipe Balbi
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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: default avatarPeter Chen <peter.chen@freescale.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 6b448af4

drivers/usb/phy/phy-mxs-usb.c

+11 −0
Original line number Diff line number Diff line
@@ -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);