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usb: phy: mxs-phy: add set_suspend API

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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>
This commit is contained in:
Peter Chen 2013-01-10 16:35:53 +08:00 committed by Felipe Balbi
parent d1c3ed669a
commit 04a6221c50
1 changed files with 20 additions and 0 deletions
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20
drivers/usb/otg/mxs-phy.c
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@ -76,6 +76,25 @@ static void mxs_phy_shutdown(struct usb_phy *phy)
clk_disable_unprepare(mxs_phy->clk); 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, static int mxs_phy_on_connect(struct usb_phy *phy,
enum usb_device_speed speed) 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.label = DRIVER_NAME;
mxs_phy->phy.init = mxs_phy_init; mxs_phy->phy.init = mxs_phy_init;
mxs_phy->phy.shutdown = mxs_phy_shutdown; 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_connect = mxs_phy_on_connect;
mxs_phy->phy.notify_disconnect = mxs_phy_on_disconnect; mxs_phy->phy.notify_disconnect = mxs_phy_on_disconnect;