net: ftgmac100: Add DM_MDIO support
Add support for DM_MDIO to connect to PHY. For the systems that have a
stand-alone MDIO hardware block, enable CONFIG_DM_MDIO to use driver
model for MDIO devices.
Signed-off-by: Dylan Hung <dylan_hung@aspeedtech.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
diff --git a/drivers/net/ftgmac100.c b/drivers/net/ftgmac100.c
index 0687230..b6e9526 100644
--- a/drivers/net/ftgmac100.c
+++ b/drivers/net/ftgmac100.c
@@ -220,7 +220,11 @@
struct phy_device *phydev;
int ret;
- phydev = phy_connect(priv->bus, priv->phy_addr, dev, priv->phy_mode);
+ if (IS_ENABLED(CONFIG_DM_MDIO))
+ phydev = dm_eth_phy_connect(dev);
+ else
+ phydev = phy_connect(priv->bus, priv->phy_addr, dev, priv->phy_mode);
+
if (!phydev)
return -ENODEV;
@@ -589,10 +593,16 @@
if (ret)
goto out;
- ret = ftgmac100_mdio_init(dev);
- if (ret) {
- dev_err(dev, "Failed to initialize mdiobus: %d\n", ret);
- goto out;
+ /*
+ * If DM MDIO is enabled, the MDIO bus will be initialized later in
+ * dm_eth_phy_connect
+ */
+ if (!IS_ENABLED(CONFIG_DM_MDIO)) {
+ ret = ftgmac100_mdio_init(dev);
+ if (ret) {
+ dev_err(dev, "Failed to initialize mdiobus: %d\n", ret);
+ goto out;
+ }
}
ret = ftgmac100_phy_init(dev);