1# SPDX-License-Identifier: GPL-2.0-only 2# 3# MDIO Layer Configuration 4# 5 6if PHYLIB 7 8config FWNODE_MDIO 9 def_tristate (ACPI || OF) || COMPILE_TEST 10 help 11 FWNODE MDIO bus (Ethernet PHY) accessors 12 13config OF_MDIO 14 def_tristate OF 15 select FIXED_PHY 16 help 17 OpenFirmware MDIO bus (Ethernet PHY) accessors 18 19config ACPI_MDIO 20 def_tristate ACPI 21 help 22 ACPI MDIO bus (Ethernet PHY) accessors 23 24config MDIO_AIROHA 25 tristate "Airoha AN7583 MDIO bus controller" 26 depends on ARCH_AIROHA || COMPILE_TEST 27 help 28 This module provides a driver for the MDIO busses found in the 29 Airoha AN7583 SoC's. 30 31config MDIO_SUN4I 32 tristate "Allwinner sun4i MDIO interface support" 33 depends on ARCH_SUNXI || COMPILE_TEST 34 help 35 This driver supports the MDIO interface found in the network 36 interface units of the Allwinner SoC that have an EMAC (A10, 37 A12, A10s, etc.) 38 39config MDIO_XGENE 40 tristate "APM X-Gene SoC MDIO bus controller" 41 depends on ARCH_XGENE || COMPILE_TEST 42 help 43 This module provides a driver for the MDIO busses found in the 44 APM X-Gene SoC's. 45 46config MDIO_ASPEED 47 tristate "ASPEED MDIO bus controller" 48 depends on ARCH_ASPEED || COMPILE_TEST 49 depends on OF_MDIO && HAS_IOMEM 50 help 51 This module provides a driver for the independent MDIO bus 52 controllers found in the ASPEED AST2600 SoC. This is a driver for the 53 third revision of the ASPEED MDIO register interface - the first two 54 revisions are the "old" and "new" interfaces found in the AST2400 and 55 AST2500, embedded in the MAC. For legacy reasons, FTGMAC100 driver 56 continues to drive the embedded MDIO controller for the AST2400 and 57 AST2500 SoCs, so say N if AST2600 support is not required. 58 59config MDIO_BITBANG 60 tristate "Bitbanged MDIO buses" 61 help 62 This module implements the MDIO bus protocol in software, 63 for use by low level drivers that export the ability to 64 drive the relevant pins. 65 66 If in doubt, say N. 67 68config MDIO_BCM_IPROC 69 tristate "Broadcom iProc MDIO bus controller" 70 depends on ARCH_BCM_IPROC || COMPILE_TEST 71 depends on HAS_IOMEM && OF_MDIO 72 default ARCH_BCM_IPROC 73 help 74 This module provides a driver for the MDIO busses found in the 75 Broadcom iProc SoC's. 76 77config MDIO_BCM_UNIMAC 78 tristate "Broadcom UniMAC MDIO bus controller" 79 depends on HAS_IOMEM 80 help 81 This module provides a driver for the Broadcom UniMAC MDIO busses. 82 This hardware can be found in the Broadcom GENET Ethernet MAC 83 controllers as well as some Broadcom Ethernet switches such as the 84 Starfighter 2 switches. 85 86config MDIO_CAVIUM 87 tristate 88 89config MDIO_GPIO 90 tristate "GPIO lib-based bitbanged MDIO buses" 91 depends on MDIO_BITBANG 92 depends on GPIOLIB || COMPILE_TEST 93 help 94 Supports GPIO lib-based MDIO busses. 95 96 To compile this driver as a module, choose M here: the module 97 will be called mdio-gpio. 98 99config MDIO_HISI_FEMAC 100 tristate "Hisilicon FEMAC MDIO bus controller" 101 depends on HAS_IOMEM && OF_MDIO 102 help 103 This module provides a driver for the MDIO busses found in the 104 Hisilicon SoC that have an Fast Ethernet MAC. 105 106config MDIO_I2C 107 tristate 108 depends on I2C 109 help 110 Support I2C based PHYs. This provides a MDIO bus bridged 111 to I2C to allow PHYs connected in I2C mode to be accessed 112 using the existing infrastructure. 113 114 This is library mode. 115 116config MDIO_MVUSB 117 tristate "Marvell USB to MDIO Adapter" 118 depends on USB 119 help 120 A USB to MDIO converter present on development boards for 121 Marvell's Link Street family of Ethernet switches. 122 123config MDIO_MSCC_MIIM 124 tristate "Microsemi MIIM interface support" 125 depends on HAS_IOMEM && REGMAP_MMIO 126 help 127 This driver supports the MIIM (MDIO) interface found in the network 128 switches of the Microsemi SoCs; it is recommended to switch on 129 CONFIG_HIGH_RES_TIMERS 130 131config MDIO_MOXART 132 tristate "MOXA ART MDIO interface support" 133 depends on ARCH_MOXART || COMPILE_TEST 134 help 135 This driver supports the MDIO interface found in the network 136 interface units of the MOXA ART SoC 137 138config MDIO_OCTEON 139 tristate "Octeon and some ThunderX SOCs MDIO buses" 140 depends on (64BIT && OF_MDIO) || COMPILE_TEST 141 depends on HAS_IOMEM 142 select MDIO_CAVIUM 143 help 144 This module provides a driver for the Octeon and ThunderX MDIO 145 buses. It is required by the Octeon and ThunderX ethernet device 146 drivers on some systems. 147 148config MDIO_PIC64HPSC 149 tristate "PIC64-HPSC/HX MDIO interface support" 150 depends on HAS_IOMEM && OF_MDIO 151 help 152 This driver supports the MDIO interface found on the PIC64-HPSC/HX 153 SoCs. 154 155config MDIO_IPQ4019 156 tristate "Qualcomm IPQ4019 MDIO interface support" 157 depends on HAS_IOMEM && OF_MDIO 158 depends on COMMON_CLK 159 help 160 This driver supports the MDIO interface found in Qualcomm 161 IPQ40xx, IPQ60xx, IPQ807x and IPQ50xx series Soc-s. 162 163config MDIO_IPQ8064 164 tristate "Qualcomm IPQ8064 MDIO interface support" 165 depends on HAS_IOMEM && OF_MDIO 166 depends on MFD_SYSCON 167 help 168 This driver supports the MDIO interface found in the network 169 interface units of the IPQ8064 SoC 170 171config MDIO_REALTEK_RTL9300 172 tristate "Realtek RTL9300 MDIO interface support" 173 depends on MACH_REALTEK_RTL || COMPILE_TEST 174 help 175 This driver supports the MDIO interface found in the Realtek 176 RTL9300 family of Ethernet switches with integrated SoC. 177 178config MDIO_REGMAP 179 tristate 180 help 181 This driver allows using MDIO devices that are not sitting on a 182 regular MDIO bus, but still exposes the standard 802.3 register 183 layout. It's regmap-based so that it can be used on integrated, 184 memory-mapped PHYs, SPI PHYs and so on. A new virtual MDIO bus is 185 created, and its read/write operations are mapped to the underlying 186 regmap. Users willing to use this driver must explicitly select 187 REGMAP. 188 189config MDIO_THUNDER 190 tristate "ThunderX SOCs MDIO buses" 191 depends on 64BIT 192 depends on PCI 193 select MDIO_CAVIUM 194 help 195 This driver supports the MDIO interfaces found on Cavium 196 ThunderX SoCs when the MDIO bus device appears as a PCI 197 device. 198 199comment "MDIO Multiplexers" 200 201config MDIO_BUS_MUX 202 tristate 203 depends on OF_MDIO 204 help 205 This module provides a driver framework for MDIO bus 206 multiplexers which connect one of several child MDIO busses 207 to a parent bus. Switching between child busses is done by 208 device specific drivers. 209 210config MDIO_BUS_MUX_MESON_G12A 211 tristate "Amlogic G12a based MDIO bus multiplexer" 212 depends on ARCH_MESON || COMPILE_TEST 213 depends on OF_MDIO && HAS_IOMEM && COMMON_CLK 214 select MDIO_BUS_MUX 215 default m if ARCH_MESON 216 help 217 This module provides a driver for the MDIO multiplexer/glue of 218 the amlogic g12a SoC. The multiplexers connects either the external 219 or the internal MDIO bus to the parent bus. 220 221config MDIO_BUS_MUX_MESON_GXL 222 tristate "Amlogic GXL based MDIO bus multiplexer" 223 depends on ARCH_MESON || COMPILE_TEST 224 depends on OF_MDIO && HAS_IOMEM && COMMON_CLK 225 select MDIO_BUS_MUX 226 default m if ARCH_MESON 227 help 228 This module provides a driver for the MDIO multiplexer/glue of 229 the amlogic GXL SoC. The multiplexer connects either the external 230 or the internal MDIO bus to the parent bus. 231 232config MDIO_BUS_MUX_BCM6368 233 tristate "Broadcom BCM6368 MDIO bus multiplexers" 234 depends on OF && OF_MDIO && (BMIPS_GENERIC || COMPILE_TEST) 235 select MDIO_BUS_MUX 236 default BMIPS_GENERIC 237 help 238 This module provides a driver for MDIO bus multiplexers found in 239 BCM6368 based Broadcom SoCs. This multiplexer connects one of several 240 child MDIO bus to a parent bus. Buses could be internal as well as 241 external and selection logic lies inside the same multiplexer. 242 243config MDIO_BUS_MUX_BCM_IPROC 244 tristate "Broadcom iProc based MDIO bus multiplexers" 245 depends on OF && OF_MDIO && (ARCH_BCM_IPROC || COMPILE_TEST) 246 select MDIO_BUS_MUX 247 default ARCH_BCM_IPROC 248 help 249 This module provides a driver for MDIO bus multiplexers found in 250 iProc based Broadcom SoCs. This multiplexer connects one of several 251 child MDIO bus to a parent bus. Buses could be internal as well as 252 external and selection logic lies inside the same multiplexer. 253 254config MDIO_BUS_MUX_GPIO 255 tristate "GPIO controlled MDIO bus multiplexers" 256 depends on OF_GPIO && OF_MDIO 257 select MDIO_BUS_MUX 258 help 259 This module provides a driver for MDIO bus multiplexers that 260 are controlled via GPIO lines. The multiplexer connects one of 261 several child MDIO busses to a parent bus. Child bus 262 selection is under the control of GPIO lines. 263 264config MDIO_BUS_MUX_MULTIPLEXER 265 tristate "MDIO bus multiplexer using kernel multiplexer subsystem" 266 depends on OF_MDIO 267 select MULTIPLEXER 268 select MDIO_BUS_MUX 269 help 270 This module provides a driver for MDIO bus multiplexer 271 that is controlled via the kernel multiplexer subsystem. The 272 bus multiplexer connects one of several child MDIO busses to 273 a parent bus. Child bus selection is under the control of 274 the kernel multiplexer subsystem. 275 276config MDIO_BUS_MUX_MMIOREG 277 tristate "MMIO device-controlled MDIO bus multiplexers" 278 depends on OF_MDIO && HAS_IOMEM 279 select MDIO_BUS_MUX 280 help 281 This module provides a driver for MDIO bus multiplexers that 282 are controlled via a simple memory-mapped device, like an FPGA. 283 The multiplexer connects one of several child MDIO busses to a 284 parent bus. Child bus selection is under the control of one of 285 the FPGA's registers. 286 287 Currently, only 8/16/32 bits registers are supported. 288 289 290endif 291