[PATCH net-next] net: lan966x: Extend lan966x with RGMII support

From: Horatiu Vultur
Date: Thu Sep 01 2022 - 08:20:41 EST


Extend lan966x with RGMII support. The MAC supports all RGMII_* modes.

Signed-off-by: Horatiu Vultur <horatiu.vultur@xxxxxxxxxxxxx>
---
drivers/net/ethernet/microchip/lan966x/lan966x_main.c | 8 ++++++++
drivers/net/ethernet/microchip/lan966x/lan966x_phylink.c | 3 +++
2 files changed, 11 insertions(+)

diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
index 1d6e3b641b2e..e2d250ed976b 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
@@ -772,6 +772,14 @@ static int lan966x_probe_port(struct lan966x *lan966x, u32 p,

__set_bit(PHY_INTERFACE_MODE_MII,
port->phylink_config.supported_interfaces);
+ __set_bit(PHY_INTERFACE_MODE_RGMII,
+ port->phylink_config.supported_interfaces);
+ __set_bit(PHY_INTERFACE_MODE_RGMII_ID,
+ port->phylink_config.supported_interfaces);
+ __set_bit(PHY_INTERFACE_MODE_RGMII_RXID,
+ port->phylink_config.supported_interfaces);
+ __set_bit(PHY_INTERFACE_MODE_RGMII_TXID,
+ port->phylink_config.supported_interfaces);
__set_bit(PHY_INTERFACE_MODE_GMII,
port->phylink_config.supported_interfaces);
__set_bit(PHY_INTERFACE_MODE_SGMII,
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_phylink.c b/drivers/net/ethernet/microchip/lan966x/lan966x_phylink.c
index 38a7e95d69b4..fb6aee509656 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_phylink.c
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_phylink.c
@@ -59,6 +59,9 @@ static void lan966x_phylink_mac_link_up(struct phylink_config *config,
port_config->pause |= tx_pause ? MLO_PAUSE_TX : 0;
port_config->pause |= rx_pause ? MLO_PAUSE_RX : 0;

+ if (phy_interface_mode_is_rgmii(interface))
+ phy_set_speed(port->serdes, speed);
+
lan966x_port_config_up(port);
}

--
2.33.0