usb: phy: mxs: add controller id

It is used to access un-regulator registers according to
different controllers.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c
index cb71135..3009ab5 100644 (file)
--- a/drivers/usb/phy/phy-mxs-usb.c
+++ b/drivers/usb/phy/phy-mxs-usb.c
@@ -106,6 +106,7 @@ struct mxs_phy {
        struct clk *clk;
        const struct mxs_phy_data *data;
        struct regmap *regmap_anatop;
+       int port_id;
 };
 
 static int mxs_phy_hw_init(struct mxs_phy *mxs_phy)
@@ -250,6 +251,11 @@ static int mxs_phy_probe(struct platform_device *pdev)
                }
        }
 
+       ret = of_alias_get_id(np, "usbphy");
+       if (ret < 0)
+               dev_dbg(&pdev->dev, "failed to get alias id, errno %d\n", ret);
+       mxs_phy->port_id = ret;
+
        mxs_phy->phy.io_priv            = base;
        mxs_phy->phy.dev                = &pdev->dev;
        mxs_phy->phy.label              = DRIVER_NAME;