diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/stmmac.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h index b2ccd827bb80..ce89cc3e4913 100644 --- a/include/linux/stmmac.h +++ b/include/linux/stmmac.h @@ -223,7 +223,20 @@ struct dwmac4_addrs { struct plat_stmmacenet_data { int bus_id; int phy_addr; - int interface; + /* MAC ----- optional PCS ----- SerDes ----- optional PHY ----- Media + * ^ ^ + * mac_interface phy_interface + * + * mac_interface is the MAC-side interface, which may be the same + * as phy_interface if there is no intervening PCS. If there is a + * PCS, then mac_interface describes the interface mode between the + * MAC and PCS, and phy_interface describes the interface mode + * between the PCS and PHY. + */ + phy_interface_t mac_interface; + /* phy_interface is the PHY-side interface - the interface used by + * an attached PHY. + */ phy_interface_t phy_interface; struct stmmac_mdio_bus_data *mdio_bus_data; struct device_node *phy_node; |