WIP: net: dsa: add driver for MaxLinear 2.5G switches

Add support for the MXL862xx family of switches offering 4 or 8
2500M/1000M/100M/10M user ports as well as 1 or 2 USXGMII SerDes
interfaces.

WORK IN PROGRESS

Author: dangowrt

drivers/net/dsa/Kconfig

@@ -78,6 +78,8 @@ source "drivers/net/dsa/ocelot/Kconfig"
 
 source "drivers/net/dsa/qca/Kconfig"
 
+source "drivers/net/dsa/mxl862xx/Kconfig"
+
 source "drivers/net/dsa/sja1105/Kconfig"
 
 source "drivers/net/dsa/xrs700x/Kconfig"

drivers/net/dsa/Makefile

@@ -19,6 +19,7 @@ obj-y				+= hirschmann/
 obj-y				+= lantiq/
 obj-y				+= microchip/
 obj-y				+= mv88e6xxx/
+obj-y				+= mxl862xx/
 obj-y				+= ocelot/
 obj-y				+= qca/
 obj-y				+= realtek/

drivers/net/dsa/mxl862xx/Kconfig

@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0-only
+config NET_DSA_MXL862
+	tristate "MaxLinear MxL862xx"
+	depends on NET_DSA
+	select NET_DSA_TAG_MXL862
+	help
+	  This enables support for the MaxLinear MxL862xx switch family.

drivers/net/dsa/mxl862xx/Makefile

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_NET_DSA_MXL862) += mxl862xx_dsa.o
+mxl862xx_dsa-y := mxl862xx.o mxl862xx-host.o