usb: ehci-mx6: Add generic EHCI PHY support

In case PHY support is enabled, use the generic EHCI PHY support
to start and stop the PHY.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Ye Li <ye.li@nxp.com>
Cc: uboot-imx <uboot-imx@nxp.com>

diff --git a/drivers/usb/host/ehci-mx6.c b/drivers/usb/host/ehci-mx6.c
index 68f6ecc..8e20941 100644 (file)
--- a/drivers/usb/host/ehci-mx6.c
+++ b/drivers/usb/host/ehci-mx6.c
@@ -425,6 +425,7 @@ struct ehci_mx6_priv_data {
        struct usb_ehci *ehci;
        struct udevice *vbus_supply;
        struct clk clk;
+       struct phy phy;
        enum usb_init_type init_type;
        int portnr;
        void __iomem *phy_addr;
@@ -684,22 +685,32 @@ static int ehci_usb_probe(struct udevice *dev)
 
        mdelay(10);
 
+#if defined(CONFIG_PHY)
+       ret = ehci_setup_phy(dev, &priv->phy, 0);
+       if (ret)
+               goto err_regulator;
+#endif
+
        hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength);
        hcor = (struct ehci_hcor *)((uint32_t)hccr +
                        HC_LENGTH(ehci_readl(&(hccr)->cr_capbase)));
 
        ret = ehci_register(dev, hccr, hcor, &mx6_ehci_ops, 0, priv->init_type);
        if (ret)
-               goto err_regulator;
+               goto err_phy;
 
        return ret;
 
+err_phy:
+#if defined(CONFIG_PHY)
+       ehci_shutdown_phy(dev, &priv->phy);
 err_regulator:
+#endif
 #if CONFIG_IS_ENABLED(DM_REGULATOR)
        if (priv->vbus_supply)
                regulator_set_enable(priv->vbus_supply, false);
-#endif
 err_clk:
+#endif
 #if CONFIG_IS_ENABLED(CLK)
        clk_disable(&priv->clk);
 #else
@@ -715,6 +726,10 @@ int ehci_usb_remove(struct udevice *dev)
 
        ehci_deregister(dev);
 
+#if defined(CONFIG_PHY)
+       ehci_shutdown_phy(dev, &priv->phy);
+#endif
+
 #if CONFIG_IS_ENABLED(DM_REGULATOR)
        if (priv->vbus_supply)
                regulator_set_enable(priv->vbus_supply, false);