netdev - [PATCH] b53: Add brcm5389 support

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Date:   Wed, 30 May 2018 15:33:05 +0000
From:   Damien Thébault <damien.thebault@...ec.com>
To:     "vivien.didelot@...oirfairelinux.com" 
        <vivien.didelot@...oirfairelinux.com>,
        "f.fainelli@...il.com" <f.fainelli@...il.com>,
        "andrew@...n.ch" <andrew@...n.ch>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: [PATCH] b53: Add brcm5389 support

This patch adds support for the BCM5389 switch connected through MDIO.

Signed-off-by: Damien Thébault <damien.thebault@...ec.com>
---
 drivers/net/dsa/b53/b53_common.c | 13 +++++++++++++
 drivers/net/dsa/b53/b53_mdio.c   |  5 ++++-
 drivers/net/dsa/b53/b53_priv.h   |  1 +
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index 78616787f2a3..3da5fca77cbd 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1711,6 +1711,18 @@ static const struct b53_chip_data b53_switch_chips[] = {
 		.cpu_port = B53_CPU_PORT_25,
 		.duplex_reg = B53_DUPLEX_STAT_FE,
 	},
+	{
+		.chip_id = BCM5389_DEVICE_ID,
+		.dev_name = "BCM5389",
+		.vlans = 4096,
+		.enabled_ports = 0x1f,
+		.arl_entries = 4,
+		.cpu_port = B53_CPU_PORT,
+		.vta_regs = B53_VTA_REGS,
+		.duplex_reg = B53_DUPLEX_STAT_GE,
+		.jumbo_pm_reg = B53_JUMBO_PORT_MASK,
+		.jumbo_size_reg = B53_JUMBO_MAX_SIZE,
+	},
 	{
 		.chip_id = BCM5395_DEVICE_ID,
 		.dev_name = "BCM5395",
@@ -2034,6 +2046,7 @@ int b53_switch_detect(struct b53_device *dev)
 		else
 			dev->chip_id = BCM5365_DEVICE_ID;
 		break;
+	case BCM5389_DEVICE_ID:
 	case BCM5395_DEVICE_ID:
 	case BCM5397_DEVICE_ID:
 	case BCM5398_DEVICE_ID:
diff --git a/drivers/net/dsa/b53/b53_mdio.c b/drivers/net/dsa/b53/b53_mdio.c
index fa7556f5d4fb..a533a90e3904 100644
--- a/drivers/net/dsa/b53/b53_mdio.c
+++ b/drivers/net/dsa/b53/b53_mdio.c
@@ -285,6 +285,7 @@ static const struct b53_io_ops b53_mdio_ops = {
 #define B53_BRCM_OUI_1	0x0143bc00
 #define B53_BRCM_OUI_2	0x03625c00
 #define B53_BRCM_OUI_3	0x00406000
+#define B53_BRCM_OUI_4	0x01410c00
 
 static int b53_mdio_probe(struct mdio_device *mdiodev)
 {
@@ -311,7 +312,8 @@ static int b53_mdio_probe(struct mdio_device *mdiodev)
 	 */
 	if ((phy_id & 0xfffffc00) != B53_BRCM_OUI_1 &&
 	    (phy_id & 0xfffffc00) != B53_BRCM_OUI_2 &&
-	    (phy_id & 0xfffffc00) != B53_BRCM_OUI_3) {
+	    (phy_id & 0xfffffc00) != B53_BRCM_OUI_3 &&
+	    (phy_id & 0xfffffc00) != B53_BRCM_OUI_4) {
 		dev_err(&mdiodev->dev, "Unsupported device: 0x%08x\n", phy_id);
 		return -ENODEV;
 	}
@@ -360,6 +362,7 @@ static const struct of_device_id b53_of_match[] = {
 	{ .compatible = "brcm,bcm53125" },
 	{ .compatible = "brcm,bcm53128" },
 	{ .compatible = "brcm,bcm5365" },
+	{ .compatible = "brcm,bcm5389" },
 	{ .compatible = "brcm,bcm5395" },
 	{ .compatible = "brcm,bcm5397" },
 	{ .compatible = "brcm,bcm5398" },
diff --git a/drivers/net/dsa/b53/b53_priv.h b/drivers/net/dsa/b53/b53_priv.h
index 1187ebd79287..3b57f47d0e79 100644
--- a/drivers/net/dsa/b53/b53_priv.h
+++ b/drivers/net/dsa/b53/b53_priv.h
@@ -48,6 +48,7 @@ struct b53_io_ops {
 enum {
 	BCM5325_DEVICE_ID = 0x25,
 	BCM5365_DEVICE_ID = 0x65,
+	BCM5389_DEVICE_ID = 0x89,
 	BCM5395_DEVICE_ID = 0x95,
 	BCM5397_DEVICE_ID = 0x97,
 	BCM5398_DEVICE_ID = 0x98,
-- 
2.17.0