netdev - [PATCH net-next 1/2] phy: marvell: phy-mvebu-cp110-comphy: add support for 5gbase-r

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Date:   Mon, 22 Nov 2021 21:51:10 +0100
From:   Marek Behún <kabel@...nel.org>
To:     netdev@...r.kernel.org
Cc:     Russell King <rmk+kernel@...linux.org.uk>,
        Jakub Kicinski <kuba@...nel.org>, Andrew Lunn <andrew@...n.ch>,
        davem@...emloft.net,
        Marek Behún <kabel@...nel.org>
Subject: [PATCH net-next 1/2] phy: marvell: phy-mvebu-cp110-comphy: add support for 5gbase-r

Add support for PHY_INTERFACE_MODE_5GBASER mode within the Marvell CP110
common PHY driver.

This is currently only supported via SMC calls to TF-A. Legacy support
may be added later, if needed.

Signed-off-by: Marek Behún <kabel@...nel.org>
---
 drivers/phy/marvell/phy-mvebu-cp110-comphy.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/phy/marvell/phy-mvebu-cp110-comphy.c b/drivers/phy/marvell/phy-mvebu-cp110-comphy.c
index bbd6f2ad6f24..34672e868a1e 100644
--- a/drivers/phy/marvell/phy-mvebu-cp110-comphy.c
+++ b/drivers/phy/marvell/phy-mvebu-cp110-comphy.c
@@ -141,6 +141,7 @@
 #define COMPHY_FW_SPEED_1250	0
 #define COMPHY_FW_SPEED_3125	2
 #define COMPHY_FW_SPEED_5000	3
+#define COMPHY_FW_SPEED_515625	4
 #define COMPHY_FW_SPEED_103125	6
 #define COMPHY_FW_PORT_OFFSET	8
 #define COMPHY_FW_PORT_MASK	GENMASK(11, 8)
@@ -220,6 +221,7 @@ static const struct mvebu_comphy_conf mvebu_comphy_cp110_modes[] = {
 	ETH_CONF(2, 0, PHY_INTERFACE_MODE_SGMII, 0x1, COMPHY_FW_MODE_SGMII),
 	ETH_CONF(2, 0, PHY_INTERFACE_MODE_2500BASEX, 0x1, COMPHY_FW_MODE_2500BASEX),
 	ETH_CONF(2, 0, PHY_INTERFACE_MODE_RXAUI, 0x1, COMPHY_FW_MODE_RXAUI),
+	ETH_CONF(2, 0, PHY_INTERFACE_MODE_5GBASER, 0x1, COMPHY_FW_MODE_XFI),
 	ETH_CONF(2, 0, PHY_INTERFACE_MODE_10GBASER, 0x1, COMPHY_FW_MODE_XFI),
 	GEN_CONF(2, 0, PHY_MODE_USB_HOST_SS, COMPHY_FW_MODE_USB3H),
 	GEN_CONF(2, 0, PHY_MODE_SATA, COMPHY_FW_MODE_SATA),
@@ -234,6 +236,7 @@ static const struct mvebu_comphy_conf mvebu_comphy_cp110_modes[] = {
 	/* lane 4 */
 	ETH_CONF(4, 0, PHY_INTERFACE_MODE_SGMII, 0x2, COMPHY_FW_MODE_SGMII),
 	ETH_CONF(4, 0, PHY_INTERFACE_MODE_2500BASEX, 0x2, COMPHY_FW_MODE_2500BASEX),
+	ETH_CONF(4, 0, PHY_INTERFACE_MODE_5GBASER, 0x2, COMPHY_FW_MODE_XFI),
 	ETH_CONF(4, 0, PHY_INTERFACE_MODE_10GBASER, 0x2, COMPHY_FW_MODE_XFI),
 	ETH_CONF(4, 0, PHY_INTERFACE_MODE_RXAUI, 0x2, COMPHY_FW_MODE_RXAUI),
 	GEN_CONF(4, 0, PHY_MODE_USB_DEVICE_SS, COMPHY_FW_MODE_USB3D),
@@ -241,6 +244,7 @@ static const struct mvebu_comphy_conf mvebu_comphy_cp110_modes[] = {
 	GEN_CONF(4, 1, PHY_MODE_PCIE, COMPHY_FW_MODE_PCIE),
 	ETH_CONF(4, 1, PHY_INTERFACE_MODE_SGMII, 0x1, COMPHY_FW_MODE_SGMII),
 	ETH_CONF(4, 1, PHY_INTERFACE_MODE_2500BASEX, -1, COMPHY_FW_MODE_2500BASEX),
+	ETH_CONF(4, 1, PHY_INTERFACE_MODE_5GBASER, -1, COMPHY_FW_MODE_XFI),
 	ETH_CONF(4, 1, PHY_INTERFACE_MODE_10GBASER, -1, COMPHY_FW_MODE_XFI),
 	/* lane 5 */
 	ETH_CONF(5, 1, PHY_INTERFACE_MODE_RXAUI, 0x2, COMPHY_FW_MODE_RXAUI),
@@ -790,6 +794,11 @@ static int mvebu_comphy_power_on(struct phy *phy)
 				lane->id);
 			fw_speed = COMPHY_FW_SPEED_3125;
 			break;
+		case PHY_INTERFACE_MODE_5GBASER:
+			dev_dbg(priv->dev, "set lane %d to 5GBASE-R mode\n",
+				lane->id);
+			fw_speed = COMPHY_FW_SPEED_515625;
+			break;
 		case PHY_INTERFACE_MODE_10GBASER:
 			dev_dbg(priv->dev, "set lane %d to 10GBASE-R mode\n",
 				lane->id);
-- 
2.32.0