netdev - [PATCH net-next] net: phy: broadcom: Add entry for 5395 switch PHYs

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Date:   Thu, 14 Dec 2017 17:48:16 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     netdev@...r.kernel.org
Cc:     andrew@...n.ch, cphealy@...il.com,
        Florian Fainelli <f.fainelli@...il.com>
Subject: [PATCH net-next] net: phy: broadcom: Add entry for 5395 switch PHYs

Add an entry for the builtin PHYs present in the Broadcom BCM5395 switch. This
allows us to retrieve the PHY statistics among other things.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 drivers/net/phy/broadcom.c | 42 ++++++++++++++++++++++++++++++++++++++++++
 include/linux/brcmphy.h    |  1 +
 2 files changed, 43 insertions(+)

diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
index a8f69c5777bc..3bb6b66dc7bf 100644
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -540,6 +540,37 @@ static int brcm_fet_config_intr(struct phy_device *phydev)
 	return err;
 }
 
+struct bcm53xx_phy_priv {
+	u64	*stats;
+};
+
+static int bcm53xx_phy_probe(struct phy_device *phydev)
+{
+	struct bcm53xx_phy_priv *priv;
+
+	priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	phydev->priv = priv;
+
+	priv->stats = devm_kcalloc(&phydev->mdio.dev,
+				   bcm_phy_get_sset_count(phydev), sizeof(u64),
+				   GFP_KERNEL);
+	if (!priv->stats)
+		return -ENOMEM;
+
+	return 0;
+}
+
+static void bcm53xx_phy_get_stats(struct phy_device *phydev,
+				  struct ethtool_stats *stats, u64 *data)
+{
+	struct bcm53xx_phy_priv *priv = phydev->priv;
+
+	bcm_phy_get_stats(phydev, priv->stats, stats, data);
+}
+
 static struct phy_driver broadcom_drivers[] = {
 {
 	.phy_id		= PHY_ID_BCM5411,
@@ -679,6 +710,16 @@ static struct phy_driver broadcom_drivers[] = {
 	.config_init	= brcm_fet_config_init,
 	.ack_interrupt	= brcm_fet_ack_interrupt,
 	.config_intr	= brcm_fet_config_intr,
+}, {
+	.phy_id		= PHY_ID_BCM5395,
+	.phy_id_mask	= 0xfffffff0,
+	.name		= "Broadcom BCM5395",
+	.flags		= PHY_IS_INTERNAL,
+	.features	= PHY_GBIT_FEATURES,
+	.get_sset_count	= bcm_phy_get_sset_count,
+	.get_strings	= bcm_phy_get_strings,
+	.get_stats	= bcm53xx_phy_get_stats,
+	.probe		= bcm53xx_phy_probe,
 } };
 
 module_phy_driver(broadcom_drivers);
@@ -699,6 +740,7 @@ static struct mdio_device_id __maybe_unused broadcom_tbl[] = {
 	{ PHY_ID_BCM57780, 0xfffffff0 },
 	{ PHY_ID_BCMAC131, 0xfffffff0 },
 	{ PHY_ID_BCM5241, 0xfffffff0 },
+	{ PHY_ID_BCM5395, 0xfffffff0 },
 	{ }
 };
 
diff --git a/include/linux/brcmphy.h b/include/linux/brcmphy.h
index 8ff86b4c1b8a..d3339dd48b1a 100644
--- a/include/linux/brcmphy.h
+++ b/include/linux/brcmphy.h
@@ -14,6 +14,7 @@
 #define PHY_ID_BCM5241			0x0143bc30
 #define PHY_ID_BCMAC131			0x0143bc70
 #define PHY_ID_BCM5481			0x0143bca0
+#define PHY_ID_BCM5395			0x0143bcf0
 #define PHY_ID_BCM54810			0x03625d00
 #define PHY_ID_BCM5482			0x0143bcb0
 #define PHY_ID_BCM5411			0x00206070
-- 
2.7.4