net: add Socionext AVE ethernet driver support

Add driver for Socionext AVE ethernet controller that includes MAC and
MDIO bus supporting RGMII/RMII modes.
The driver behaves the ethernet driver model (DM_ETH) with devicetree.
Signed-off-by: NKunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: NMasahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: NJoe Hershberger <joe.hershberger@ni.com>

drivers/net/Kconfig

@@ -362,6 +362,16 @@ config MPC8XX_FEC
 	  This driver implements support for the Fast Ethernet Controller
 	  on MPC8XX
 
+config SNI_AVE
+	bool "Socionext AVE Ethernet support"
+	depends on DM_ETH && ARCH_UNIPHIER
+	select PHYLIB
+	select SYSCON
+	select REGMAP
+	help
+	  This driver implements support for the Socionext AVE Ethernet
+	  controller, as found on the Socionext UniPhier family.
+
 config ETHER_ON_FEC1
 	bool "FEC1"
 	depends on MPC8XX_FEC

drivers/net/Makefile

@@ -70,3 +70,4 @@ obj-$(CONFIG_VSC9953) += vsc9953.o
 obj-$(CONFIG_PIC32_ETH) += pic32_mdio.o pic32_eth.o
 obj-$(CONFIG_DWC_ETH_QOS) += dwc_eth_qos.o
 obj-$(CONFIG_FSL_PFE) += pfe_eth/
+obj-$(CONFIG_SNI_AVE) += sni_ave.o