net: davinci_emac: Add support for fixed-link PHY

In case the DaVinci Emac is directly connected to a
non-mdio PHY/device, it should be possible to provide
a fixed link configuration in the DT.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c
index 39a54b2..33bd3b9 100644 (file)
--- a/drivers/net/ethernet/ti/davinci_emac.c
+++ b/drivers/net/ethernet/ti/davinci_emac.c
@@ -1861,8 +1861,12 @@ davinci_emac_of_get_pdata(struct platform_device *pdev, struct emac_priv *priv)
        pdata->no_bd_ram = of_property_read_bool(np, "ti,davinci-no-bd-ram");
 
        priv->phy_node = of_parse_phandle(np, "phy-handle", 0);
-       if (!priv->phy_node)
-               pdata->phy_id = NULL;
+       if (!priv->phy_node) {
+               if (!of_phy_is_fixed_link(np))
+                       pdata->phy_id = NULL;
+               else if (of_phy_register_fixed_link(np) >= 0)
+                       priv->phy_node = of_node_get(np);
+       }
 
        auxdata = pdev->dev.platform_data;
        if (auxdata) {