[PATCH AUTOSEL 4.19 141/177] net: bcmgenet: Add RGMII_RXID support
From: Sasha Levin <sashal@kernel.org>
Date: 2019-12-10 21:38:38
Also in:
lkml, stable
Subsystem:
broadcom genet ethernet driver, networking drivers, the rest · Maintainers:
Doug Berger, Florian Fainelli, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 a5049d637791d..10dcf8cb523f2 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c@@ -283,6 +283,11 @@ int bcmgenet_mii_config(struct net_device *dev, bool init) 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