diff options
Diffstat (limited to 'drivers/net/ethernet/wiznet/Kconfig')
| -rw-r--r-- | drivers/net/ethernet/wiznet/Kconfig | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/drivers/net/ethernet/wiznet/Kconfig b/drivers/net/ethernet/wiznet/Kconfig index b4d281626fb4..4bac2ad2d6a1 100644 --- a/drivers/net/ethernet/wiznet/Kconfig +++ b/drivers/net/ethernet/wiznet/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only # # WIZnet devices configuration # @@ -6,10 +7,8 @@ config NET_VENDOR_WIZNET bool "WIZnet devices" depends on HAS_IOMEM default y - ---help--- - If you have a network (Ethernet) card belonging to this class, say Y - and read the Ethernet-HOWTO, available from - <http://www.tldp.org/docs.html#howto>. + help + If you have a network (Ethernet) card belonging to this class, say Y. Note that the answer to this question doesn't directly affect the kernel: saying N will just cause the configurator to skip all @@ -21,7 +20,7 @@ if NET_VENDOR_WIZNET config WIZNET_W5100 tristate "WIZnet W5100 Ethernet support" depends on HAS_IOMEM - ---help--- + help Support for WIZnet W5100 chips. W5100 is a single chip with integrated 10/100 Ethernet MAC, @@ -34,7 +33,7 @@ config WIZNET_W5100 config WIZNET_W5300 tristate "WIZnet W5300 Ethernet support" depends on HAS_IOMEM - ---help--- + help Support for WIZnet W5300 chips. W5300 is a single chip with integrated 10/100 Ethernet MAC, @@ -51,24 +50,38 @@ choice config WIZNET_BUS_DIRECT bool "Direct address bus mode" - ---help--- + help In direct address mode host system can directly access all registers after mapping to Memory-Mapped I/O space. config WIZNET_BUS_INDIRECT bool "Indirect address bus mode" - ---help--- + help In indirect address mode host system indirectly accesses registers using Indirect Mode Address Register and Indirect Mode Data Register, which are directly mapped to Memory-Mapped I/O space. config WIZNET_BUS_ANY bool "Select interface mode in runtime" - ---help--- + help If interface mode is unknown in compile time, it can be selected in runtime from board/platform resources configuration. Performance may decrease compared to explicitly selected bus mode. endchoice +config WIZNET_W5100_SPI + tristate "WIZnet W5100/W5200/W5500 Ethernet support for SPI mode" + depends on WIZNET_BUS_ANY && WIZNET_W5100 + depends on SPI + help + In SPI mode host system accesses registers using SPI protocol + (mode 0) on the SPI bus. + + Performance decreases compared to other bus interface mode. + In W5100 SPI mode, burst READ/WRITE processing are not provided. + + To compile this driver as a module, choose M here: the module + will be called w5100-spi. + endif # NET_VENDOR_WIZNET |