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Message-Id: <20220715215954.1449214-13-sean.anderson@seco.com>
Date:   Fri, 15 Jul 2022 17:59:19 -0400
From:   Sean Anderson <sean.anderson@...o.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Madalin Bucur <madalin.bucur@....com>, netdev@...r.kernel.org
Cc:     Paolo Abeni <pabeni@...hat.com>,
        Eric Dumazet <edumazet@...gle.com>,
        linux-arm-kernel@...ts.infradead.org,
        Russell King <linux@...linux.org.uk>,
        linux-kernel@...r.kernel.org,
        Sean Anderson <sean.anderson@...o.com>,
        Alexandru Marginean <alexandru.marginean@....com>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Vladimir Oltean <olteanv@...il.com>
Subject: [PATCH net-next v3 12/47] net: phy: aquantia: Add support for AQR115

This adds support for the AQR115 (which I have on my LS1046A RDB). I had a
quick look over the registers, and it seems to be compatible with the
AQR107. I couldn't find this oui anywhere, but that's what I have on my
board. It's possible that NXP used a substitute here; I can't confirm
the part number since there is a heatsink on top of the phy.

To avoid breaking <10G ethernet on the LS1046ARDB, we must add this
vendor id as an exception to dpaa_phy_init. This will be removed once
the DPAA driver is converted to phylink.

Signed-off-by: Sean Anderson <sean.anderson@...o.com>
---

Changes in v3:
- New

 .../net/ethernet/freescale/dpaa/dpaa_eth.c    |  6 +++++-
 drivers/net/phy/aquantia_main.c               | 20 +++++++++++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
index 45634579adb6..a770bab4d1ed 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
@@ -2886,6 +2886,7 @@ static void dpaa_adjust_link(struct net_device *net_dev)
 
 /* The Aquantia PHYs are capable of performing rate adaptation */
 #define PHY_VEND_AQUANTIA	0x03a1b400
+#define PHY_VEND_AQUANTIA2	0x31c31c00
 
 static int dpaa_phy_init(struct net_device *net_dev)
 {
@@ -2893,6 +2894,7 @@ static int dpaa_phy_init(struct net_device *net_dev)
 	struct mac_device *mac_dev;
 	struct phy_device *phy_dev;
 	struct dpaa_priv *priv;
+	u32 phy_vendor;
 
 	priv = netdev_priv(net_dev);
 	mac_dev = priv->mac_dev;
@@ -2905,9 +2907,11 @@ static int dpaa_phy_init(struct net_device *net_dev)
 		return -ENODEV;
 	}
 
+	phy_vendor = phy_dev->drv->phy_id & GENMASK(31, 10);
 	/* Unless the PHY is capable of rate adaptation */
 	if (mac_dev->phy_if != PHY_INTERFACE_MODE_XGMII ||
-	    ((phy_dev->drv->phy_id & GENMASK(31, 10)) != PHY_VEND_AQUANTIA)) {
+	    (phy_vendor != PHY_VEND_AQUANTIA &&
+	     phy_vendor != PHY_VEND_AQUANTIA2)) {
 		/* remove any features not supported by the controller */
 		ethtool_convert_legacy_u32_to_link_mode(mask,
 							mac_dev->if_support);
diff --git a/drivers/net/phy/aquantia_main.c b/drivers/net/phy/aquantia_main.c
index 8b7a46db30e0..f9e2d20d0ec5 100644
--- a/drivers/net/phy/aquantia_main.c
+++ b/drivers/net/phy/aquantia_main.c
@@ -21,6 +21,7 @@
 #define PHY_ID_AQR106	0x03a1b4d0
 #define PHY_ID_AQR107	0x03a1b4e0
 #define PHY_ID_AQCS109	0x03a1b5c2
+#define PHY_ID_AQR115	0x31c31c12
 #define PHY_ID_AQR405	0x03a1b4b0
 #define PHY_ID_AQR113C	0x31c31c12
 
@@ -672,6 +673,24 @@ static struct phy_driver aqr_driver[] = {
 	.get_stats	= aqr107_get_stats,
 	.link_change_notify = aqr107_link_change_notify,
 },
+{
+	PHY_ID_MATCH_MODEL(PHY_ID_AQR115),
+	.name		= "Aquantia AQR115",
+	.probe		= aqr107_probe,
+	.config_init	= aqr107_config_init,
+	.config_aneg    = aqr_config_aneg,
+	.config_intr	= aqr_config_intr,
+	.handle_interrupt = aqr_handle_interrupt,
+	.read_status	= aqr107_read_status,
+	.get_tunable    = aqr107_get_tunable,
+	.set_tunable    = aqr107_set_tunable,
+	.suspend	= aqr107_suspend,
+	.resume		= aqr107_resume,
+	.get_sset_count	= aqr107_get_sset_count,
+	.get_strings	= aqr107_get_strings,
+	.get_stats	= aqr107_get_stats,
+	.link_change_notify = aqr107_link_change_notify,
+},
 {
 	PHY_ID_MATCH_MODEL(PHY_ID_AQCS109),
 	.name		= "Aquantia AQCS109",
@@ -726,6 +745,7 @@ static struct mdio_device_id __maybe_unused aqr_tbl[] = {
 	{ PHY_ID_MATCH_MODEL(PHY_ID_AQR105) },
 	{ PHY_ID_MATCH_MODEL(PHY_ID_AQR106) },
 	{ PHY_ID_MATCH_MODEL(PHY_ID_AQR107) },
+	{ PHY_ID_MATCH_MODEL(PHY_ID_AQR115) },
 	{ PHY_ID_MATCH_MODEL(PHY_ID_AQCS109) },
 	{ PHY_ID_MATCH_MODEL(PHY_ID_AQR405) },
 	{ PHY_ID_MATCH_MODEL(PHY_ID_AQR113C) },
-- 
2.35.1.1320.gc452695387.dirty

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