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Message-Id: <20191210213221.11921-141-sashal@kernel.org>
Date:   Tue, 10 Dec 2019 16:31:45 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Stefan Wahren <wahrenst@....net>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>,
        bcm-kernel-feedback-list@...adcom.com, netdev@...r.kernel.org
Subject: [PATCH AUTOSEL 4.19 141/177] net: bcmgenet: Add RGMII_RXID support

From: Stefan Wahren <wahrenst@....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@....net>
Acked-by: Florian Fainelli <f.fainelli@...il.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.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

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