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