diff options
Diffstat (limited to 'drivers/net/dsa/b53/b53_serdes.c')
| -rw-r--r-- | drivers/net/dsa/b53/b53_serdes.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/dsa/b53/b53_serdes.c b/drivers/net/dsa/b53/b53_serdes.c index 5ae3d9783b68..e4cc6442c113 100644 --- a/drivers/net/dsa/b53/b53_serdes.c +++ b/drivers/net/dsa/b53/b53_serdes.c @@ -180,6 +180,35 @@ void b53_serdes_phylink_validate(struct b53_device *dev, int port, } EXPORT_SYMBOL(b53_serdes_phylink_validate); +void b53_serdes_phylink_get_caps(struct b53_device *dev, int port, + struct phylink_config *config) +{ + u8 lane = b53_serdes_map_lane(dev, port); + + if (lane == B53_INVALID_LANE) + return; + + switch (lane) { + case 0: + /* It appears lane 0 supports 2500base-X and 1000base-X */ + __set_bit(PHY_INTERFACE_MODE_2500BASEX, + config->supported_interfaces); + config->mac_capabilities |= MAC_2500FD; + fallthrough; + case 1: + /* It appears lane 1 only supports 1000base-X and SGMII */ + __set_bit(PHY_INTERFACE_MODE_1000BASEX, + config->supported_interfaces); + __set_bit(PHY_INTERFACE_MODE_SGMII, + config->supported_interfaces); + config->mac_capabilities |= MAC_1000FD; + break; + default: + break; + } +} +EXPORT_SYMBOL(b53_serdes_phylink_get_caps); + int b53_serdes_init(struct b53_device *dev, int port) { u8 lane = b53_serdes_map_lane(dev, port); |