netdev - [PATCH V3 net-next 6/7] net: bcmgenet: Add RGMII_RXID and RGMII

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Message-Id: <1573326009-2275-7-git-send-email-wahrenst@gmx.net>
Date:   Sat,  9 Nov 2019 20:00:08 +0100
From:   Stefan Wahren <wahrenst@....net>
To:     Matthias Brugger <matthias.bgg@...nel.org>,
        Matthias Brugger <mbrugger@...e.com>,
        "David S . Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>
Cc:     Eric Anholt <eric@...olt.net>,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Doug Berger <opendmb@...il.com>, netdev@...r.kernel.org,
        bcm-kernel-feedback-list@...adcom.com,
        linux-arm-kernel@...ts.infradead.org,
        Stefan Wahren <wahrenst@....net>
Subject: [PATCH V3 net-next 6/7] net: bcmgenet: Add RGMII_RXID and RGMII_ID support

This adds the missing support for the PHY modes RGMII_RXID and
RGMII_ID. Based on the used register settings in the downstream tree
the mode RGMII_RXID is necessary for the Raspberry Pi 4.

Signed-off-by: Stefan Wahren <wahrenst@....net>
---
 drivers/net/ethernet/broadcom/genet/bcmmii.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c
index 8f7b2c0..9091e5b 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
@@ -273,6 +273,16 @@ int bcmgenet_mii_config(struct net_device *dev, bool init)
 		phy_name = "external RGMII (TX delay)";
 		port_ctrl = PORT_MODE_EXT_GPHY;
 		break;
+
+	case PHY_INTERFACE_MODE_RGMII_RXID:
+		phy_name = "external RGMII (RX delay)";
+		port_ctrl = PORT_MODE_EXT_GPHY;
+		break;
+
+	case PHY_INTERFACE_MODE_RGMII_ID:
+		phy_name = "external RGMII (RX/TX delay)";
+		port_ctrl = PORT_MODE_EXT_GPHY;
+		break;
 	default:
 		dev_err(kdev, "unknown phy mode: %d\n", priv->phy_interface);
 		return -EINVAL;
--
2.7.4