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 126 select REGMAP_MMIO 127 help 128 This driver supports the MIIM (MDIO) interface found in the network 129 switches of the Microsemi SoCs; it is recommended to switch on 130 CONFIG_HIGH_RES_TIMERS 131 132config MDIO_MOXART 133 tristate "MOXA ART MDIO interface support" 134 depends on ARCH_MOXART || COMPILE_TEST 135 help 136 This driver supports the MDIO interface found in the network 137 interface units of the MOXA ART SoC 138 139config MDIO_OCTEON 140 tristate "Octeon and some ThunderX SOCs MDIO buses" 141 depends on (64BIT && OF_MDIO) || COMPILE_TEST 142 depends on HAS_IOMEM 143 select MDIO_CAVIUM 144 help 145 This module provides a driver for the Octeon and ThunderX MDIO 146 buses. It is required by the Octeon and ThunderX ethernet device 147 drivers on some systems. 148 149config MDIO_PIC64HPSC 150 tristate "PIC64-HPSC/HX MDIO interface support" 151 depends on ARCH_MICROCHIP || COMPILE_TEST 152 depends on HAS_IOMEM && OF_MDIO 153 help 154 This driver supports the MDIO interface found on the PIC64-HPSC/HX 155 SoCs. 156 157config MDIO_IPQ4019 158 tristate "Qualcomm IPQ4019 MDIO interface support" 159 depends on HAS_IOMEM && OF_MDIO 160 depends on COMMON_CLK 161 help 162 This driver supports the MDIO interface found in Qualcomm 163 IPQ40xx, IPQ60xx, IPQ807x and IPQ50xx series Soc-s. 164 165config MDIO_IPQ8064 166 tristate "Qualcomm IPQ8064 MDIO interface support" 167 depends on HAS_IOMEM && OF_MDIO 168 depends on MFD_SYSCON 169 help 170 This driver supports the MDIO interface found in the network 171 interface units of the IPQ8064 SoC 172 173config MDIO_REALTEK_RTL9300 174 tristate "Realtek RTL9300 MDIO interface support" 175 depends on MACH_REALTEK_RTL || COMPILE_TEST 176 help 177 This driver supports the MDIO interface found in the Realtek 178 RTL9300 family of Ethernet switches with integrated SoC. 179 180config MDIO_REGMAP 181 tristate 182 help 183 This driver allows using MDIO devices that are not sitting on a 184 regular MDIO bus, but still exposes the standard 802.3 register 185 layout. It's regmap-based so that it can be used on integrated, 186 memory-mapped PHYs, SPI PHYs and so on. A new virtual MDIO bus is 187 created, and its read/write operations are mapped to the underlying 188 regmap. Users willing to use this driver must explicitly select 189 REGMAP. 190 191config MDIO_THUNDER 192 tristate "ThunderX SOCs MDIO buses" 193 depends on 64BIT 194 depends on PCI 195 select MDIO_CAVIUM 196 help 197 This driver supports the MDIO interfaces found on Cavium 198 ThunderX SoCs when the MDIO bus device appears as a PCI 199 device. 200 201comment "MDIO Multiplexers" 202 203config MDIO_BUS_MUX 204 tristate 205 depends on OF_MDIO 206 help 207 This module provides a driver framework for MDIO bus 208 multiplexers which connect one of several child MDIO busses 209 to a parent bus. Switching between child busses is done by 210 device specific drivers. 211 212config MDIO_BUS_MUX_MESON_G12A 213 tristate "Amlogic G12a based MDIO bus multiplexer" 214 depends on ARCH_MESON || COMPILE_TEST 215 depends on OF_MDIO && HAS_IOMEM && COMMON_CLK 216 select MDIO_BUS_MUX 217 default m if ARCH_MESON 218 help 219 This module provides a driver for the MDIO multiplexer/glue of 220 the amlogic g12a SoC. The multiplexers connects either the external 221 or the internal MDIO bus to the parent bus. 222 223config MDIO_BUS_MUX_MESON_GXL 224 tristate "Amlogic GXL based MDIO bus multiplexer" 225 depends on ARCH_MESON || COMPILE_TEST 226 depends on OF_MDIO && HAS_IOMEM && COMMON_CLK 227 select MDIO_BUS_MUX 228 default m if ARCH_MESON 229 help 230 This module provides a driver for the MDIO multiplexer/glue of 231 the amlogic GXL SoC. The multiplexer connects either the external 232 or the internal MDIO bus to the parent bus. 233 234config MDIO_BUS_MUX_BCM6368 235 tristate "Broadcom BCM6368 MDIO bus multiplexers" 236 depends on OF && OF_MDIO && (BMIPS_GENERIC || COMPILE_TEST) 237 select MDIO_BUS_MUX 238 default BMIPS_GENERIC 239 help 240 This module provides a driver for MDIO bus multiplexers found in 241 BCM6368 based Broadcom SoCs. This multiplexer connects one of several 242 child MDIO bus to a parent bus. Buses could be internal as well as 243 external and selection logic lies inside the same multiplexer. 244 245config MDIO_BUS_MUX_BCM_IPROC 246 tristate "Broadcom iProc based MDIO bus multiplexers" 247 depends on OF && OF_MDIO && (ARCH_BCM_IPROC || COMPILE_TEST) 248 select MDIO_BUS_MUX 249 default ARCH_BCM_IPROC 250 help 251 This module provides a driver for MDIO bus multiplexers found in 252 iProc based Broadcom SoCs. This multiplexer connects one of several 253 child MDIO bus to a parent bus. Buses could be internal as well as 254 external and selection logic lies inside the same multiplexer. 255 256config MDIO_BUS_MUX_GPIO 257 tristate "GPIO controlled MDIO bus multiplexers" 258 depends on OF_MDIO 259 select MDIO_BUS_MUX 260 help 261 This module provides a driver for MDIO bus multiplexers that 262 are controlled via GPIO lines. The multiplexer connects one of 263 several child MDIO busses to a parent bus. Child bus 264 selection is under the control of GPIO lines. 265 266config MDIO_BUS_MUX_MULTIPLEXER 267 tristate "MDIO bus multiplexer using kernel multiplexer subsystem" 268 depends on OF_MDIO 269 select MULTIPLEXER 270 select MDIO_BUS_MUX 271 help 272 This module provides a driver for MDIO bus multiplexer 273 that is controlled via the kernel multiplexer subsystem. The 274 bus multiplexer connects one of several child MDIO busses to 275 a parent bus. Child bus selection is under the control of 276 the kernel multiplexer subsystem. 277 278config MDIO_BUS_MUX_MMIOREG 279 tristate "MMIO device-controlled MDIO bus multiplexers" 280 depends on OF_MDIO && HAS_IOMEM 281 select MDIO_BUS_MUX 282 help 283 This module provides a driver for MDIO bus multiplexers that 284 are controlled via a simple memory-mapped device, like an FPGA. 285 The multiplexer connects one of several child MDIO busses to a 286 parent bus. Child bus selection is under the control of one of 287 the FPGA's registers. 288 289 Currently, only 8/16/32 bits registers are supported. 290 291 292endif 293