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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>
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1 changed files with 20 additions and 0 deletions
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@ -76,6 +76,25 @@ static void mxs_phy_shutdown(struct usb_phy *phy)
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clk_disable_unprepare(mxs_phy->clk);
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}
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static int mxs_phy_suspend(struct usb_phy *x, int suspend)
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{
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struct mxs_phy *mxs_phy = to_mxs_phy(x);
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if (suspend) {
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writel_relaxed(0xffffffff, x->io_priv + HW_USBPHY_PWD);
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writel_relaxed(BM_USBPHY_CTRL_CLKGATE,
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x->io_priv + HW_USBPHY_CTRL_SET);
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clk_disable_unprepare(mxs_phy->clk);
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} else {
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clk_prepare_enable(mxs_phy->clk);
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writel_relaxed(BM_USBPHY_CTRL_CLKGATE,
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x->io_priv + HW_USBPHY_CTRL_CLR);
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writel_relaxed(0, x->io_priv + HW_USBPHY_PWD);
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}
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return 0;
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}
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static int mxs_phy_on_connect(struct usb_phy *phy,
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enum usb_device_speed speed)
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{
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@ -137,6 +156,7 @@ static int mxs_phy_probe(struct platform_device *pdev)
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mxs_phy->phy.label = DRIVER_NAME;
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mxs_phy->phy.init = mxs_phy_init;
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mxs_phy->phy.shutdown = mxs_phy_shutdown;
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mxs_phy->phy.set_suspend = mxs_phy_suspend;
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mxs_phy->phy.notify_connect = mxs_phy_on_connect;
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mxs_phy->phy.notify_disconnect = mxs_phy_on_disconnect;
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