linux-kernel - [PATCH net-next 4/8] net: dsa: b53: Define chip IDs for more bcm63xx SoCs

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Message-ID: <20250716002922.230807-5-kylehendrydev@gmail.com>
Date: Tue, 15 Jul 2025 17:29:03 -0700
From: Kyle Hendry <kylehendrydev@...il.com>
To: Florian Fainelli <florian.fainelli@...adcom.com>,
	Andrew Lunn <andrew@...n.ch>,
	Vladimir Oltean <olteanv@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Russell King <linux@...linux.org.uk>
Cc: noltari@...il.com,
	jonas.gorski@...il.com,
	Kyle Hendry <kylehendrydev@...il.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	netdev@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH net-next 4/8] net: dsa: b53: Define chip IDs for more bcm63xx SoCs

Add defines for bcm6318, bcm6328, bcm6362, bcm6368 chip IDs,
update tables and switch init.

Signed-off-by: Kyle Hendry <kylehendrydev@...il.com>
---
 drivers/net/dsa/b53/b53_common.c | 21 ++++++---------------
 drivers/net/dsa/b53/b53_mmap.c   |  8 ++++----
 drivers/net/dsa/b53/b53_priv.h   | 13 +++++++++++--
 3 files changed, 21 insertions(+), 21 deletions(-)

diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index 77acc7b8abfb..9942fb6f7f4b 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1410,7 +1410,7 @@ static void b53_adjust_63xx_rgmii(struct dsa_switch *ds, int port,
 	b53_read8(dev, B53_CTRL_PAGE, B53_RGMII_CTRL_P(port), &rgmii_ctrl);
 	rgmii_ctrl &= ~(RGMII_CTRL_DLL_RXC | RGMII_CTRL_DLL_TXC);
 
-	if (is63268(dev))
+	if (is6318_268(dev))
 		rgmii_ctrl |= RGMII_CTRL_MII_OVERRIDE;
 
 	rgmii_ctrl |= RGMII_CTRL_ENABLE_GMII;
@@ -2774,19 +2774,6 @@ static const struct b53_chip_data b53_switch_chips[] = {
 		.jumbo_pm_reg = B53_JUMBO_PORT_MASK_63XX,
 		.jumbo_size_reg = B53_JUMBO_MAX_SIZE_63XX,
 	},
-	{
-		.chip_id = BCM63268_DEVICE_ID,
-		.dev_name = "BCM63268",
-		.vlans = 4096,
-		.enabled_ports = 0, /* pdata must provide them */
-		.arl_bins = 4,
-		.arl_buckets = 1024,
-		.imp_port = 8,
-		.vta_regs = B53_VTA_REGS_63XX,
-		.duplex_reg = B53_DUPLEX_STAT_63XX,
-		.jumbo_pm_reg = B53_JUMBO_PORT_MASK_63XX,
-		.jumbo_size_reg = B53_JUMBO_MAX_SIZE_63XX,
-	},
 	{
 		.chip_id = BCM53010_DEVICE_ID,
 		.dev_name = "BCM53010",
@@ -2936,13 +2923,17 @@ static const struct b53_chip_data b53_switch_chips[] = {
 
 static int b53_switch_init(struct b53_device *dev)
 {
+	u32 chip_id = dev->chip_id;
 	unsigned int i;
 	int ret;
 
+	if (is63xx(dev))
+		chip_id = BCM63XX_DEVICE_ID;
+
 	for (i = 0; i < ARRAY_SIZE(b53_switch_chips); i++) {
 		const struct b53_chip_data *chip = &b53_switch_chips[i];
 
-		if (chip->chip_id == dev->chip_id) {
+		if (chip->chip_id == chip_id) {
 			if (!dev->enabled_ports)
 				dev->enabled_ports = chip->enabled_ports;
 			dev->name = chip->dev_name;
diff --git a/drivers/net/dsa/b53/b53_mmap.c b/drivers/net/dsa/b53/b53_mmap.c
index a0c06d703861..09631792049c 100644
--- a/drivers/net/dsa/b53/b53_mmap.c
+++ b/drivers/net/dsa/b53/b53_mmap.c
@@ -352,16 +352,16 @@ static const struct of_device_id b53_mmap_of_table[] = {
 		.data = (void *)BCM63XX_DEVICE_ID,
 	}, {
 		.compatible = "brcm,bcm6318-switch",
-		.data = (void *)BCM63268_DEVICE_ID,
+		.data = (void *)BCM6318_DEVICE_ID,
 	}, {
 		.compatible = "brcm,bcm6328-switch",
-		.data = (void *)BCM63XX_DEVICE_ID,
+		.data = (void *)BCM6328_DEVICE_ID,
 	}, {
 		.compatible = "brcm,bcm6362-switch",
-		.data = (void *)BCM63XX_DEVICE_ID,
+		.data = (void *)BCM6362_DEVICE_ID,
 	}, {
 		.compatible = "brcm,bcm6368-switch",
-		.data = (void *)BCM63XX_DEVICE_ID,
+		.data = (void *)BCM6368_DEVICE_ID,
 	}, {
 		.compatible = "brcm,bcm63268-switch",
 		.data = (void *)BCM63268_DEVICE_ID,
diff --git a/drivers/net/dsa/b53/b53_priv.h b/drivers/net/dsa/b53/b53_priv.h
index f1124f5e50da..458775f95164 100644
--- a/drivers/net/dsa/b53/b53_priv.h
+++ b/drivers/net/dsa/b53/b53_priv.h
@@ -73,6 +73,10 @@ enum {
 	BCM53125_DEVICE_ID = 0x53125,
 	BCM53128_DEVICE_ID = 0x53128,
 	BCM63XX_DEVICE_ID = 0x6300,
+	BCM6318_DEVICE_ID = 0x6318,
+	BCM6328_DEVICE_ID = 0x6328,
+	BCM6362_DEVICE_ID = 0x6362,
+	BCM6368_DEVICE_ID = 0x6368,
 	BCM63268_DEVICE_ID = 0x63268,
 	BCM53010_DEVICE_ID = 0x53010,
 	BCM53011_DEVICE_ID = 0x53011,
@@ -220,12 +224,17 @@ static inline int is531x5(struct b53_device *dev)
 static inline int is63xx(struct b53_device *dev)
 {
 	return dev->chip_id == BCM63XX_DEVICE_ID ||
+		dev->chip_id == BCM6318_DEVICE_ID ||
+		dev->chip_id == BCM6328_DEVICE_ID ||
+		dev->chip_id == BCM6362_DEVICE_ID ||
+		dev->chip_id == BCM6368_DEVICE_ID ||
 		dev->chip_id == BCM63268_DEVICE_ID;
 }
 
-static inline int is63268(struct b53_device *dev)
+static inline int is6318_268(struct b53_device *dev)
 {
-	return dev->chip_id == BCM63268_DEVICE_ID;
+	return dev->chip_id == BCM6318_DEVICE_ID ||
+		dev->chip_id == BCM63268_DEVICE_ID;
 }
 
 static inline int is5301x(struct b53_device *dev)
-- 
2.43.0