diff options
| author | Peter Chen <peter.chen@freescale.com> | 2013-01-10 09:35:53 +0100 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2013-01-18 14:03:25 +0100 |
| commit | 04a6221c509e90b5f921d408bbf0afcf91147280 (patch) | |
| tree | 11958c3d3585b5d6dea36338499dc4c39644d258 /drivers/usb/otg | |
| parent | Linux 3.8-rc2 (diff) | |
| download | linux-04a6221c509e90b5f921d408bbf0afcf91147280.tar.xz linux-04a6221c509e90b5f921d408bbf0afcf91147280.zip | |
usb: phy: mxs-phy: add set_suspend API
It needs to call set_suspend during USB suspend/resume
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/otg')
| -rw-r--r-- | drivers/usb/otg/mxs-phy.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/usb/otg/mxs-phy.c b/drivers/usb/otg/mxs-phy.c index 76302720055a..5158332522b1 100644 --- a/drivers/usb/otg/mxs-phy.c +++ b/drivers/usb/otg/mxs-phy.c @@ -76,6 +76,25 @@ static void mxs_phy_shutdown(struct usb_phy *phy) clk_disable_unprepare(mxs_phy->clk); } +static int mxs_phy_suspend(struct usb_phy *x, int suspend) +{ + struct mxs_phy *mxs_phy = to_mxs_phy(x); + + if (suspend) { + writel_relaxed(0xffffffff, x->io_priv + HW_USBPHY_PWD); + writel_relaxed(BM_USBPHY_CTRL_CLKGATE, + x->io_priv + HW_USBPHY_CTRL_SET); + clk_disable_unprepare(mxs_phy->clk); + } else { + clk_prepare_enable(mxs_phy->clk); + writel_relaxed(BM_USBPHY_CTRL_CLKGATE, + x->io_priv + HW_USBPHY_CTRL_CLR); + writel_relaxed(0, x->io_priv + HW_USBPHY_PWD); + } + + return 0; +} + static int mxs_phy_on_connect(struct usb_phy *phy, enum usb_device_speed speed) { @@ -137,6 +156,7 @@ static int mxs_phy_probe(struct platform_device *pdev) mxs_phy->phy.label = DRIVER_NAME; mxs_phy->phy.init = mxs_phy_init; mxs_phy->phy.shutdown = mxs_phy_shutdown; + mxs_phy->phy.set_suspend = mxs_phy_suspend; mxs_phy->phy.notify_connect = mxs_phy_on_connect; mxs_phy->phy.notify_disconnect = mxs_phy_on_disconnect; |