net: zynq_gem: Add the passing of the phy-handle node

Add the ability to pass the phy-handle node offset
to the phy driver.  This allows the phy driver
to access the DT subnode's data and parse accordingly.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Tested-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>

diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
index aec8077f10b3e2b7f82e0c2bf504f5183ce89058..f9b22c4de277d15aa5b08cbd206214d9517c8021 100644 (file)
--- a/drivers/net/zynq_gem.c
+++ b/drivers/net/zynq_gem.c
@@ -179,6 +179,7 @@ struct zynq_gem_priv {
        struct zynq_gem_regs *iobase;
        phy_interface_t interface;
        struct phy_device *phydev;
+       int phy_of_handle;
        struct mii_dev *bus;
 };
 
@@ -352,6 +353,10 @@ static int zynq_phy_init(struct udevice *dev)
        priv->phydev->supported = supported | ADVERTISED_Pause |
                                  ADVERTISED_Asym_Pause;
        priv->phydev->advertising = priv->phydev->supported;
+
+       if (priv->phy_of_handle > 0)
+               priv->phydev->dev->of_offset = priv->phy_of_handle;
+
        phy_config(priv->phydev);
 
        return 0;
@@ -675,7 +680,6 @@ static int zynq_gem_ofdata_to_platdata(struct udevice *dev)
 {
        struct eth_pdata *pdata = dev_get_platdata(dev);
        struct zynq_gem_priv *priv = dev_get_priv(dev);
-       int offset = 0;
        const char *phy_mode;
 
        pdata->iobase = (phys_addr_t)dev_get_addr(dev);
@@ -684,10 +688,11 @@ static int zynq_gem_ofdata_to_platdata(struct udevice *dev)
        priv->emio = 0;
        priv->phyaddr = -1;
 
-       offset = fdtdec_lookup_phandle(gd->fdt_blob, dev->of_offset,
-                                      "phy-handle");
-       if (offset > 0)
-               priv->phyaddr = fdtdec_get_int(gd->fdt_blob, offset, "reg", -1);
+       priv->phy_of_handle = fdtdec_lookup_phandle(gd->fdt_blob,
+                                       dev->of_offset, "phy-handle");
+       if (priv->phy_of_handle > 0)
+               priv->phyaddr = fdtdec_get_int(gd->fdt_blob,
+                                       priv->phy_of_handle, "reg", -1);
 
        phy_mode = fdt_getprop(gd->fdt_blob, dev->of_offset, "phy-mode", NULL);
        if (phy_mode)