netdev - [PATCH net-next 1/4] net: mvpp2: populate supported

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Message-Id: <E1mffYY-001vqU-K3@rmk-PC.armlinux.org.uk>
Date:   Wed, 27 Oct 2021 10:49:14 +0100
From:   Russell King <rmk+kernel@...linux.org.uk>
To:     Marcin Wojtas <mw@...ihalf.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org
Subject: [PATCH net-next 1/4] net: mvpp2: populate supported_interfaces member

Populate the phy interface mode bitmap for the Marvell mvpp2 driver
with interfaces modes supported by the MAC.

Signed-off-by: Russell King <rmk+kernel@...linux.org.uk>
---
 .../net/ethernet/marvell/mvpp2/mvpp2_main.c   | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index 8ddf58f379ac..43ffff01bd44 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -6937,6 +6937,40 @@ static int mvpp2_port_probe(struct platform_device *pdev,
 		port->phylink_config.dev = &dev->dev;
 		port->phylink_config.type = PHYLINK_NETDEV;
 
+		if (mvpp2_port_supports_xlg(port)) {
+			__set_bit(PHY_INTERFACE_MODE_10GBASER,
+				  port->phylink_config.supported_interfaces);
+			__set_bit(PHY_INTERFACE_MODE_XAUI,
+				  port->phylink_config.supported_interfaces);
+		}
+
+		if (mvpp2_port_supports_rgmii(port))
+			phy_interface_set_rgmii(port->phylink_config.supported_interfaces);
+
+		if (comphy) {
+			/* If a COMPHY is present, we can support any of the
+			 * serdes modes and switch between them.
+			 */
+			__set_bit(PHY_INTERFACE_MODE_SGMII,
+				  port->phylink_config.supported_interfaces);
+			__set_bit(PHY_INTERFACE_MODE_1000BASEX,
+				  port->phylink_config.supported_interfaces);
+			__set_bit(PHY_INTERFACE_MODE_2500BASEX,
+				  port->phylink_config.supported_interfaces);
+		} else if (phy_mode == PHY_INTERFACE_MODE_2500BASEX) {
+			/* No COMPHY, with only 2500BASE-X mode supported */
+			__set_bit(PHY_INTERFACE_MODE_2500BASEX,
+				  port->phylink_config.supported_interfaces);
+		} else if (phy_mode == PHY_INTERFACE_MODE_1000BASEX ||
+			   phy_mode == PHY_INTERFACE_MODE_SGMII) {
+			/* No COMPHY, we can switch between 1000BASE-X and SGMII
+			 */
+			__set_bit(PHY_INTERFACE_MODE_1000BASEX,
+				  port->phylink_config.supported_interfaces);
+			__set_bit(PHY_INTERFACE_MODE_SGMII,
+				  port->phylink_config.supported_interfaces);
+		}
+
 		phylink = phylink_create(&port->phylink_config, port_fwnode,
 					 phy_mode, &mvpp2_phylink_ops);
 		if (IS_ERR(phylink)) {
-- 
2.30.2