[PATCH AUTOSEL 4.4 57/71] net: bcmgenet: Add RGMII_RXID support

Sasha Levin
2019-12-10T22:34:39Z

From: Stefan Wahren <wahrenst@gmx.net>

[ Upstream commit da38802211cc3fd294211a642932edb09e3af632 ]

This adds the missing support for the PHY mode RGMII_RXID.
It's necessary for the Raspberry Pi 4.

Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/ethernet/broadcom/genet/bcmmii.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c
index 3ad016f500b54..5c39630403a7c 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
@@ -318,6 +318,11 @@ int bcmgenet_mii_config(struct net_device *dev)
bcmgenet_sys_writel(priv,
PORT_MODE_EXT_GPHY, SYS_PORT_CTRL);
break;
+
+ case PHY_INTERFACE_MODE_RGMII_RXID:
+ phy_name = "external RGMII (RX delay)";
+ port_ctrl = PORT_MODE_EXT_GPHY;
+ break;
default:
dev_err(kdev, "unknown phy mode: %d\n", priv->phy_interface);
return -EINVAL;
--
2.20.1