net: dsa: ksz: Add Microchip KSZ8795 DSA driver

Add Microchip KSZ8795 DSA driver.

Signed-off-by: Tristram Ha <Tristram.Ha@microchip.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: David S. Miller <davem@davemloft.net>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Tristram Ha <Tristram.Ha@microchip.com>
Cc: Vivien Didelot <vivien.didelot@gmail.com>
Cc: Woojung Huh <woojung.huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/microchip/Kconfig

@@ -16,3 +16,20 @@ config NET_DSA_MICROCHIP_KSZ9477_SPI
 	select REGMAP_SPI
 	help
 	  Select to enable support for registering switches configured through SPI.
+
+menuconfig NET_DSA_MICROCHIP_KSZ8795
+	tristate "Microchip KSZ8795 series switch support"
+	depends on NET_DSA
+	select NET_DSA_MICROCHIP_KSZ_COMMON
+	help
+	  This driver adds support for Microchip KSZ8795 switch chips.
+
+config NET_DSA_MICROCHIP_KSZ8795_SPI
+	tristate "KSZ8795 series SPI connected switch driver"
+	depends on NET_DSA_MICROCHIP_KSZ8795 && SPI
+	select REGMAP_SPI
+	help
+	  This driver accesses KSZ8795 chip through SPI.
+
+	  It is required to use the KSZ8795 switch driver as the only access
+	  is through SPI.

drivers/net/dsa/microchip/Makefile

@@ -2,3 +2,5 @@
 obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ_COMMON)	+= ksz_common.o
 obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ9477)		+= ksz9477.o
 obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ9477_SPI)	+= ksz9477_spi.o
+obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ8795)		+= ksz8795.o
+obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ8795_SPI)	+= ksz8795_spi.o