net: dsa: b53: Add support for BCM585xx/586xx/88312 integrated switch

Update the SRAB, core driver and binding document to support the
BCM585xx/586xx/88312 integrated switch (Northstar Plus SoCs family).

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Documentation/devicetree/bindings/net/dsa/b53.txt

@@ -20,6 +20,15 @@ Required properties:
       "brcm,bcm53018-srab"
       "brcm,bcm53019-srab" and the mandatory "brcm,bcm5301x-srab" string
 
+  For the BCM585xx/586XX/88312 SoCs with an integrated switch, must be one of:
+      "brcm,bcm58522-srab"
+      "brcm,bcm58523-srab"
+      "brcm,bcm58525-srab"
+      "brcm,bcm58622-srab"
+      "brcm,bcm58623-srab"
+      "brcm,bcm58625-srab"
+      "brcm,bcm88312-srab" and the mandatory "brcm,nsp-srab string
+
   For the BCM63xx/33xx SoCs with an integrated switch, must be one of:
       "brcm,bcm3384-switch"
       "brcm,bcm6328-switch"

drivers/net/dsa/b53/b53_common.c

@@ -1581,6 +1581,18 @@ static const struct b53_chip_data b53_switch_chips[] = {
 		.jumbo_pm_reg = B53_JUMBO_PORT_MASK,
 		.jumbo_size_reg = B53_JUMBO_MAX_SIZE,
 	},
+	{
+		.chip_id = BCM58XX_DEVICE_ID,
+		.dev_name = "BCM585xx/586xx/88312",
+		.vlans	= 4096,
+		.enabled_ports = 0x1ff,
+		.arl_entries = 4,
+		.cpu_port = B53_CPU_PORT_25,
+		.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,
+	},
 };
 
 static int b53_switch_init(struct b53_device *dev)

drivers/net/dsa/b53/b53_priv.h

@@ -59,6 +59,7 @@ enum {
 	BCM53012_DEVICE_ID = 0x53012,
 	BCM53018_DEVICE_ID = 0x53018,
 	BCM53019_DEVICE_ID = 0x53019,
+	BCM58XX_DEVICE_ID = 0x5800,
 };
 
 #define B53_N_PORTS	9

drivers/net/dsa/b53/b53_srab.c

@@ -364,6 +364,14 @@ static const struct of_device_id b53_srab_of_match[] = {
 	{ .compatible = "brcm,bcm53018-srab" },
 	{ .compatible = "brcm,bcm53019-srab" },
 	{ .compatible = "brcm,bcm5301x-srab" },
+	{ .compatible = "brcm,bcm58522-srab", .data = (void *)BCM58XX_DEVICE_ID },
+	{ .compatible = "brcm,bcm58525-srab", .data = (void *)BCM58XX_DEVICE_ID },
+	{ .compatible = "brcm,bcm58535-srab", .data = (void *)BCM58XX_DEVICE_ID },
+	{ .compatible = "brcm,bcm58622-srab", .data = (void *)BCM58XX_DEVICE_ID },
+	{ .compatible = "brcm,bcm58623-srab", .data = (void *)BCM58XX_DEVICE_ID },
+	{ .compatible = "brcm,bcm58625-srab", .data = (void *)BCM58XX_DEVICE_ID },
+	{ .compatible = "brcm,bcm88312-srab", .data = (void *)BCM58XX_DEVICE_ID },
+	{ .compatible = "brcm,nsp-srab", .data = (void *)BCM58XX_DEVICE_ID },
 	{ /* sentinel */ },
 };
 MODULE_DEVICE_TABLE(of, b53_srab_of_match);