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Kconfig
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# SPDX-License-Identifier: GPL-2.0-only
#
# MDIO Layer Configuration
#
menuconfig MDIO_DEVICE
tristate "MDIO bus device drivers"
help
MDIO devices and driver infrastructure code.
if MDIO_DEVICE
config MDIO_BUS
tristate
default m if PHYLIB=m
default MDIO_DEVICE
help
This internal symbol is used for link time dependencies and it
reflects whether the mdio_bus/mdio_device code is built as a
loadable module or built-in.
config OF_MDIO
def_tristate PHYLIB
depends on OF
depends on PHYLIB
select FIXED_PHY
help
OpenFirmware MDIO bus (Ethernet PHY) accessors
if MDIO_BUS
config MDIO_DEVRES
tristate
config MDIO_SUN4I
tristate "Allwinner sun4i MDIO interface support"
depends on ARCH_SUNXI || COMPILE_TEST
help
This driver supports the MDIO interface found in the network
interface units of the Allwinner SoC that have an EMAC (A10,
A12, A10s, etc.)
config MDIO_XGENE
tristate "APM X-Gene SoC MDIO bus controller"
depends on ARCH_XGENE || COMPILE_TEST
help
This module provides a driver for the MDIO busses found in the
APM X-Gene SoC's.
config MDIO_ASPEED
tristate "ASPEED MDIO bus controller"
depends on ARCH_ASPEED || COMPILE_TEST
depends on OF_MDIO && HAS_IOMEM
help
This module provides a driver for the independent MDIO bus
controllers found in the ASPEED AST2600 SoC. This is a driver for the
third revision of the ASPEED MDIO register interface - the first two
revisions are the "old" and "new" interfaces found in the AST2400 and
AST2500, embedded in the MAC. For legacy reasons, FTGMAC100 driver
continues to drive the embedded MDIO controller for the AST2400 and
AST2500 SoCs, so say N if AST2600 support is not required.
config MDIO_BITBANG
tristate "Bitbanged MDIO buses"
help
This module implements the MDIO bus protocol in software,
for use by low level drivers that export the ability to
drive the relevant pins.
If in doubt, say N.
config MDIO_BCM_IPROC
tristate "Broadcom iProc MDIO bus controller"
depends on ARCH_BCM_IPROC || COMPILE_TEST
depends on HAS_IOMEM && OF_MDIO
default ARCH_BCM_IPROC
help
This module provides a driver for the MDIO busses found in the
Broadcom iProc SoC's.
config MDIO_BCM_UNIMAC
tristate "Broadcom UniMAC MDIO bus controller"
depends on HAS_IOMEM
help
This module provides a driver for the Broadcom UniMAC MDIO busses.
This hardware can be found in the Broadcom GENET Ethernet MAC
controllers as well as some Broadcom Ethernet switches such as the
Starfighter 2 switches.
config MDIO_CAVIUM
tristate
config MDIO_GPIO
tristate "GPIO lib-based bitbanged MDIO buses"
depends on MDIO_BITBANG
depends on GPIOLIB || COMPILE_TEST
help
Supports GPIO lib-based MDIO busses.
To compile this driver as a module, choose M here: the module
will be called mdio-gpio.
config MDIO_HISI_FEMAC
tristate "Hisilicon FEMAC MDIO bus controller"
depends on HAS_IOMEM && OF_MDIO
help
This module provides a driver for the MDIO busses found in the
Hisilicon SoC that have an Fast Ethernet MAC.
config MDIO_I2C
tristate
depends on I2C
help
Support I2C based PHYs. This provides a MDIO bus bridged
to I2C to allow PHYs connected in I2C mode to be accessed
using the existing infrastructure.
This is library mode.
config MDIO_MVUSB
tristate "Marvell USB to MDIO Adapter"
depends on USB
select MDIO_DEVRES
help
A USB to MDIO converter present on development boards for
Marvell's Link Street family of Ethernet switches.
config MDIO_MSCC_MIIM
tristate "Microsemi MIIM interface support"
depends on HAS_IOMEM
select MDIO_DEVRES
help
This driver supports the MIIM (MDIO) interface found in the network
switches of the Microsemi SoCs; it is recommended to switch on
CONFIG_HIGH_RES_TIMERS
config MDIO_MOXART
tristate "MOXA ART MDIO interface support"
depends on ARCH_MOXART || COMPILE_TEST
help
This driver supports the MDIO interface found in the network
interface units of the MOXA ART SoC
config MDIO_OCTEON
tristate "Octeon and some ThunderX SOCs MDIO buses"
depends on (64BIT && OF_MDIO) || COMPILE_TEST
depends on HAS_IOMEM
select MDIO_CAVIUM
select MDIO_DEVRES
help
This module provides a driver for the Octeon and ThunderX MDIO
buses. It is required by the Octeon and ThunderX ethernet device
drivers on some systems.
config MDIO_IPQ4019
tristate "Qualcomm IPQ4019 MDIO interface support"
depends on HAS_IOMEM && OF_MDIO
help
This driver supports the MDIO interface found in Qualcomm
IPQ40xx series Soc-s.
config MDIO_IPQ8064
tristate "Qualcomm IPQ8064 MDIO interface support"
depends on HAS_IOMEM && OF_MDIO
depends on MFD_SYSCON
help
This driver supports the MDIO interface found in the network
interface units of the IPQ8064 SoC
config MDIO_THUNDER
tristate "ThunderX SOCs MDIO buses"
depends on 64BIT
depends on PCI
select MDIO_CAVIUM
select MDIO_DEVRES
help
This driver supports the MDIO interfaces found on Cavium
ThunderX SoCs when the MDIO bus device appears as a PCI
device.
comment "MDIO Multiplexers"
config MDIO_BUS_MUX
tristate
depends on OF_MDIO
help
This module provides a driver framework for MDIO bus
multiplexers which connect one of several child MDIO busses
to a parent bus. Switching between child busses is done by
device specific drivers.
config MDIO_BUS_MUX_MESON_G12A
tristate "Amlogic G12a based MDIO bus multiplexer"
depends on ARCH_MESON || COMPILE_TEST
depends on OF_MDIO && HAS_IOMEM && COMMON_CLK
select MDIO_BUS_MUX
default m if ARCH_MESON
help
This module provides a driver for the MDIO multiplexer/glue of
the amlogic g12a SoC. The multiplexers connects either the external
or the internal MDIO bus to the parent bus.
config MDIO_BUS_MUX_BCM_IPROC
tristate "Broadcom iProc based MDIO bus multiplexers"
depends on OF && OF_MDIO && (ARCH_BCM_IPROC || COMPILE_TEST)
select MDIO_BUS_MUX
default ARCH_BCM_IPROC
help
This module provides a driver for MDIO bus multiplexers found in
iProc based Broadcom SoCs. This multiplexer connects one of several
child MDIO bus to a parent bus. Buses could be internal as well as
external and selection logic lies inside the same multiplexer.
config MDIO_BUS_MUX_GPIO
tristate "GPIO controlled MDIO bus multiplexers"
depends on OF_GPIO && OF_MDIO
select MDIO_BUS_MUX
help
This module provides a driver for MDIO bus multiplexers that
are controlled via GPIO lines. The multiplexer connects one of
several child MDIO busses to a parent bus. Child bus
selection is under the control of GPIO lines.
config MDIO_BUS_MUX_MULTIPLEXER
tristate "MDIO bus multiplexer using kernel multiplexer subsystem"
depends on OF_MDIO
select MULTIPLEXER
select MDIO_BUS_MUX
help
This module provides a driver for MDIO bus multiplexer
that is controlled via the kernel multiplexer subsystem. The
bus multiplexer connects one of several child MDIO busses to
a parent bus. Child bus selection is under the control of
the kernel multiplexer subsystem.
config MDIO_BUS_MUX_MMIOREG
tristate "MMIO device-controlled MDIO bus multiplexers"
depends on OF_MDIO && HAS_IOMEM
select MDIO_BUS_MUX
help
This module provides a driver for MDIO bus multiplexers that
are controlled via a simple memory-mapped device, like an FPGA.
The multiplexer connects one of several child MDIO busses to a
parent bus. Child bus selection is under the control of one of
the FPGA's registers.
Currently, only 8/16/32 bits registers are supported.
endif
endif