net: phy: gmii2rgmii: Support external rgmii-id phy
Read the phy mode of the external phy from the device tree if available
and check that it is a RGMII variant.
Signed-off-by: Stefan Herbrechtsmeier <stefan.herbrechtsmeier@weidmueller.com>
diff --git a/drivers/net/phy/xilinx_gmii2rgmii.c b/drivers/net/phy/xilinx_gmii2rgmii.c
index 0b7436a..e2969bc 100644
--- a/drivers/net/phy/xilinx_gmii2rgmii.c
+++ b/drivers/net/phy/xilinx_gmii2rgmii.c
@@ -48,7 +48,14 @@
return -EINVAL;
}
- ext_phydev->interface = PHY_INTERFACE_MODE_RGMII;
+ ext_phydev->interface = ofnode_read_phy_mode(node);
+ if (ext_phydev->interface == PHY_INTERFACE_MODE_NA) {
+ ext_phydev->interface = PHY_INTERFACE_MODE_RGMII;
+ } else if (!phy_interface_is_rgmii(ext_phydev)) {
+ printf("Incorrect external interface type\n");
+ return -EINVAL;
+ }
+
ext_phydev->node = phandle.node;
phydev->priv = ext_phydev;