1a9770eacSAndrew Lunn# SPDX-License-Identifier: GPL-2.0-only 2a9770eacSAndrew Lunn# 3a9770eacSAndrew Lunn# MDIO Layer Configuration 4a9770eacSAndrew Lunn# 5a9770eacSAndrew Lunn 6a9770eacSAndrew Lunnmenuconfig MDIO_DEVICE 7a9770eacSAndrew Lunn tristate "MDIO bus device drivers" 8a9770eacSAndrew Lunn help 9a9770eacSAndrew Lunn MDIO devices and driver infrastructure code. 10a9770eacSAndrew Lunn 11a9770eacSAndrew Lunnif MDIO_DEVICE 12a9770eacSAndrew Lunn 13a9770eacSAndrew Lunnconfig MDIO_BUS 14a9770eacSAndrew Lunn tristate 15a9770eacSAndrew Lunn default m if PHYLIB=m 16a9770eacSAndrew Lunn default MDIO_DEVICE 17a9770eacSAndrew Lunn help 18a9770eacSAndrew Lunn This internal symbol is used for link time dependencies and it 19a9770eacSAndrew Lunn reflects whether the mdio_bus/mdio_device code is built as a 20a9770eacSAndrew Lunn loadable module or built-in. 21a9770eacSAndrew Lunn 22bc1bee3bSCalvin Johnsonconfig FWNODE_MDIO 23bc1bee3bSCalvin Johnson def_tristate PHYLIB 24bc1bee3bSCalvin Johnson depends on (ACPI || OF) || COMPILE_TEST 25bc1bee3bSCalvin Johnson select FIXED_PHY 26bc1bee3bSCalvin Johnson help 27bc1bee3bSCalvin Johnson FWNODE MDIO bus (Ethernet PHY) accessors 28bc1bee3bSCalvin Johnson 2914b26b12SCalvin Johnsonconfig OF_MDIO 3014b26b12SCalvin Johnson def_tristate PHYLIB 3114b26b12SCalvin Johnson depends on OF 3214b26b12SCalvin Johnson depends on PHYLIB 3314b26b12SCalvin Johnson select FIXED_PHY 3414b26b12SCalvin Johnson help 3514b26b12SCalvin Johnson OpenFirmware MDIO bus (Ethernet PHY) accessors 3614b26b12SCalvin Johnson 37*803ca24dSCalvin Johnsonconfig ACPI_MDIO 38*803ca24dSCalvin Johnson def_tristate PHYLIB 39*803ca24dSCalvin Johnson depends on ACPI 40*803ca24dSCalvin Johnson depends on PHYLIB 41*803ca24dSCalvin Johnson help 42*803ca24dSCalvin Johnson ACPI MDIO bus (Ethernet PHY) accessors 43*803ca24dSCalvin Johnson 44a9770eacSAndrew Lunnif MDIO_BUS 45a9770eacSAndrew Lunn 46a9770eacSAndrew Lunnconfig MDIO_DEVRES 47a9770eacSAndrew Lunn tristate 48a9770eacSAndrew Lunn 49a9770eacSAndrew Lunnconfig MDIO_SUN4I 50a9770eacSAndrew Lunn tristate "Allwinner sun4i MDIO interface support" 51a9770eacSAndrew Lunn depends on ARCH_SUNXI || COMPILE_TEST 52a9770eacSAndrew Lunn help 53a9770eacSAndrew Lunn This driver supports the MDIO interface found in the network 54a9770eacSAndrew Lunn interface units of the Allwinner SoC that have an EMAC (A10, 55a9770eacSAndrew Lunn A12, A10s, etc.) 56a9770eacSAndrew Lunn 57a9770eacSAndrew Lunnconfig MDIO_XGENE 58a9770eacSAndrew Lunn tristate "APM X-Gene SoC MDIO bus controller" 59a9770eacSAndrew Lunn depends on ARCH_XGENE || COMPILE_TEST 60a9770eacSAndrew Lunn help 61a9770eacSAndrew Lunn This module provides a driver for the MDIO busses found in the 62a9770eacSAndrew Lunn APM X-Gene SoC's. 63a9770eacSAndrew Lunn 64a9770eacSAndrew Lunnconfig MDIO_ASPEED 65a9770eacSAndrew Lunn tristate "ASPEED MDIO bus controller" 66a9770eacSAndrew Lunn depends on ARCH_ASPEED || COMPILE_TEST 67a9770eacSAndrew Lunn depends on OF_MDIO && HAS_IOMEM 68a9770eacSAndrew Lunn help 69a9770eacSAndrew Lunn This module provides a driver for the independent MDIO bus 70a9770eacSAndrew Lunn controllers found in the ASPEED AST2600 SoC. This is a driver for the 71a9770eacSAndrew Lunn third revision of the ASPEED MDIO register interface - the first two 72a9770eacSAndrew Lunn revisions are the "old" and "new" interfaces found in the AST2400 and 73a9770eacSAndrew Lunn AST2500, embedded in the MAC. For legacy reasons, FTGMAC100 driver 74a9770eacSAndrew Lunn continues to drive the embedded MDIO controller for the AST2400 and 75a9770eacSAndrew Lunn AST2500 SoCs, so say N if AST2600 support is not required. 76a9770eacSAndrew Lunn 77a9770eacSAndrew Lunnconfig MDIO_BITBANG 78a9770eacSAndrew Lunn tristate "Bitbanged MDIO buses" 79a9770eacSAndrew Lunn help 80a9770eacSAndrew Lunn This module implements the MDIO bus protocol in software, 81a9770eacSAndrew Lunn for use by low level drivers that export the ability to 82a9770eacSAndrew Lunn drive the relevant pins. 83a9770eacSAndrew Lunn 84a9770eacSAndrew Lunn If in doubt, say N. 85a9770eacSAndrew Lunn 86a9770eacSAndrew Lunnconfig MDIO_BCM_IPROC 87a9770eacSAndrew Lunn tristate "Broadcom iProc MDIO bus controller" 88a9770eacSAndrew Lunn depends on ARCH_BCM_IPROC || COMPILE_TEST 89a9770eacSAndrew Lunn depends on HAS_IOMEM && OF_MDIO 90a9770eacSAndrew Lunn default ARCH_BCM_IPROC 91a9770eacSAndrew Lunn help 92a9770eacSAndrew Lunn This module provides a driver for the MDIO busses found in the 93a9770eacSAndrew Lunn Broadcom iProc SoC's. 94a9770eacSAndrew Lunn 95a9770eacSAndrew Lunnconfig MDIO_BCM_UNIMAC 96a9770eacSAndrew Lunn tristate "Broadcom UniMAC MDIO bus controller" 97a9770eacSAndrew Lunn depends on HAS_IOMEM 98a9770eacSAndrew Lunn help 99a9770eacSAndrew Lunn This module provides a driver for the Broadcom UniMAC MDIO busses. 100a9770eacSAndrew Lunn This hardware can be found in the Broadcom GENET Ethernet MAC 101a9770eacSAndrew Lunn controllers as well as some Broadcom Ethernet switches such as the 102a9770eacSAndrew Lunn Starfighter 2 switches. 103a9770eacSAndrew Lunn 104a9770eacSAndrew Lunnconfig MDIO_CAVIUM 105a9770eacSAndrew Lunn tristate 106a9770eacSAndrew Lunn 107a9770eacSAndrew Lunnconfig MDIO_GPIO 108a9770eacSAndrew Lunn tristate "GPIO lib-based bitbanged MDIO buses" 109a9770eacSAndrew Lunn depends on MDIO_BITBANG 110a9770eacSAndrew Lunn depends on GPIOLIB || COMPILE_TEST 111a9770eacSAndrew Lunn help 112a9770eacSAndrew Lunn Supports GPIO lib-based MDIO busses. 113a9770eacSAndrew Lunn 114a9770eacSAndrew Lunn To compile this driver as a module, choose M here: the module 115a9770eacSAndrew Lunn will be called mdio-gpio. 116a9770eacSAndrew Lunn 117a9770eacSAndrew Lunnconfig MDIO_HISI_FEMAC 118a9770eacSAndrew Lunn tristate "Hisilicon FEMAC MDIO bus controller" 119a9770eacSAndrew Lunn depends on HAS_IOMEM && OF_MDIO 120a9770eacSAndrew Lunn help 121a9770eacSAndrew Lunn This module provides a driver for the MDIO busses found in the 122a9770eacSAndrew Lunn Hisilicon SoC that have an Fast Ethernet MAC. 123a9770eacSAndrew Lunn 124a9770eacSAndrew Lunnconfig MDIO_I2C 125a9770eacSAndrew Lunn tristate 126a9770eacSAndrew Lunn depends on I2C 127a9770eacSAndrew Lunn help 128a9770eacSAndrew Lunn Support I2C based PHYs. This provides a MDIO bus bridged 129a9770eacSAndrew Lunn to I2C to allow PHYs connected in I2C mode to be accessed 130a9770eacSAndrew Lunn using the existing infrastructure. 131a9770eacSAndrew Lunn 132a9770eacSAndrew Lunn This is library mode. 133a9770eacSAndrew Lunn 134a9770eacSAndrew Lunnconfig MDIO_MVUSB 135a9770eacSAndrew Lunn tristate "Marvell USB to MDIO Adapter" 136a9770eacSAndrew Lunn depends on USB 137a9770eacSAndrew Lunn select MDIO_DEVRES 138a9770eacSAndrew Lunn help 139a9770eacSAndrew Lunn A USB to MDIO converter present on development boards for 140a9770eacSAndrew Lunn Marvell's Link Street family of Ethernet switches. 141a9770eacSAndrew Lunn 142a9770eacSAndrew Lunnconfig MDIO_MSCC_MIIM 143a9770eacSAndrew Lunn tristate "Microsemi MIIM interface support" 144a9770eacSAndrew Lunn depends on HAS_IOMEM 145a9770eacSAndrew Lunn select MDIO_DEVRES 146a9770eacSAndrew Lunn help 147a9770eacSAndrew Lunn This driver supports the MIIM (MDIO) interface found in the network 148a9770eacSAndrew Lunn switches of the Microsemi SoCs; it is recommended to switch on 149a9770eacSAndrew Lunn CONFIG_HIGH_RES_TIMERS 150a9770eacSAndrew Lunn 151a9770eacSAndrew Lunnconfig MDIO_MOXART 152a9770eacSAndrew Lunn tristate "MOXA ART MDIO interface support" 153a9770eacSAndrew Lunn depends on ARCH_MOXART || COMPILE_TEST 154a9770eacSAndrew Lunn help 155a9770eacSAndrew Lunn This driver supports the MDIO interface found in the network 156a9770eacSAndrew Lunn interface units of the MOXA ART SoC 157a9770eacSAndrew Lunn 158a9770eacSAndrew Lunnconfig MDIO_OCTEON 159a9770eacSAndrew Lunn tristate "Octeon and some ThunderX SOCs MDIO buses" 160a9770eacSAndrew Lunn depends on (64BIT && OF_MDIO) || COMPILE_TEST 161a9770eacSAndrew Lunn depends on HAS_IOMEM 162a9770eacSAndrew Lunn select MDIO_CAVIUM 163529d1fdfSAndrew Lunn select MDIO_DEVRES 164a9770eacSAndrew Lunn help 165a9770eacSAndrew Lunn This module provides a driver for the Octeon and ThunderX MDIO 166a9770eacSAndrew Lunn buses. It is required by the Octeon and ThunderX ethernet device 167a9770eacSAndrew Lunn drivers on some systems. 168a9770eacSAndrew Lunn 169a9770eacSAndrew Lunnconfig MDIO_IPQ4019 170a9770eacSAndrew Lunn tristate "Qualcomm IPQ4019 MDIO interface support" 171a9770eacSAndrew Lunn depends on HAS_IOMEM && OF_MDIO 172a9770eacSAndrew Lunn help 173a9770eacSAndrew Lunn This driver supports the MDIO interface found in Qualcomm 174a9770eacSAndrew Lunn IPQ40xx series Soc-s. 175a9770eacSAndrew Lunn 176a9770eacSAndrew Lunnconfig MDIO_IPQ8064 177a9770eacSAndrew Lunn tristate "Qualcomm IPQ8064 MDIO interface support" 178a9770eacSAndrew Lunn depends on HAS_IOMEM && OF_MDIO 179a9770eacSAndrew Lunn depends on MFD_SYSCON 180a9770eacSAndrew Lunn help 181a9770eacSAndrew Lunn This driver supports the MDIO interface found in the network 182a9770eacSAndrew Lunn interface units of the IPQ8064 SoC 183a9770eacSAndrew Lunn 184a9770eacSAndrew Lunnconfig MDIO_THUNDER 185a9770eacSAndrew Lunn tristate "ThunderX SOCs MDIO buses" 186a9770eacSAndrew Lunn depends on 64BIT 187a9770eacSAndrew Lunn depends on PCI 188a9770eacSAndrew Lunn select MDIO_CAVIUM 1898b0308feSDavid S. Miller select MDIO_DEVRES 190a9770eacSAndrew Lunn help 191a9770eacSAndrew Lunn This driver supports the MDIO interfaces found on Cavium 192a9770eacSAndrew Lunn ThunderX SoCs when the MDIO bus device appears as a PCI 193a9770eacSAndrew Lunn device. 194a9770eacSAndrew Lunn 195a9770eacSAndrew Lunncomment "MDIO Multiplexers" 196a9770eacSAndrew Lunn 197a9770eacSAndrew Lunnconfig MDIO_BUS_MUX 198a9770eacSAndrew Lunn tristate 199a9770eacSAndrew Lunn depends on OF_MDIO 200a9770eacSAndrew Lunn help 201a9770eacSAndrew Lunn This module provides a driver framework for MDIO bus 202a9770eacSAndrew Lunn multiplexers which connect one of several child MDIO busses 203a9770eacSAndrew Lunn to a parent bus. Switching between child busses is done by 204a9770eacSAndrew Lunn device specific drivers. 205a9770eacSAndrew Lunn 206a9770eacSAndrew Lunnconfig MDIO_BUS_MUX_MESON_G12A 207a9770eacSAndrew Lunn tristate "Amlogic G12a based MDIO bus multiplexer" 208a9770eacSAndrew Lunn depends on ARCH_MESON || COMPILE_TEST 209a9770eacSAndrew Lunn depends on OF_MDIO && HAS_IOMEM && COMMON_CLK 210a9770eacSAndrew Lunn select MDIO_BUS_MUX 211a9770eacSAndrew Lunn default m if ARCH_MESON 212a9770eacSAndrew Lunn help 213a9770eacSAndrew Lunn This module provides a driver for the MDIO multiplexer/glue of 214a9770eacSAndrew Lunn the amlogic g12a SoC. The multiplexers connects either the external 215a9770eacSAndrew Lunn or the internal MDIO bus to the parent bus. 216a9770eacSAndrew Lunn 217e2397567SÁlvaro Fernández Rojasconfig MDIO_BUS_MUX_BCM6368 218e2397567SÁlvaro Fernández Rojas tristate "Broadcom BCM6368 MDIO bus multiplexers" 219e2397567SÁlvaro Fernández Rojas depends on OF && OF_MDIO && (BMIPS_GENERIC || COMPILE_TEST) 220e2397567SÁlvaro Fernández Rojas select MDIO_BUS_MUX 221e2397567SÁlvaro Fernández Rojas default BMIPS_GENERIC 222e2397567SÁlvaro Fernández Rojas help 223e2397567SÁlvaro Fernández Rojas This module provides a driver for MDIO bus multiplexers found in 224e2397567SÁlvaro Fernández Rojas BCM6368 based Broadcom SoCs. This multiplexer connects one of several 225e2397567SÁlvaro Fernández Rojas child MDIO bus to a parent bus. Buses could be internal as well as 226e2397567SÁlvaro Fernández Rojas external and selection logic lies inside the same multiplexer. 227e2397567SÁlvaro Fernández Rojas 228a9770eacSAndrew Lunnconfig MDIO_BUS_MUX_BCM_IPROC 229a9770eacSAndrew Lunn tristate "Broadcom iProc based MDIO bus multiplexers" 230a9770eacSAndrew Lunn depends on OF && OF_MDIO && (ARCH_BCM_IPROC || COMPILE_TEST) 231a9770eacSAndrew Lunn select MDIO_BUS_MUX 232a9770eacSAndrew Lunn default ARCH_BCM_IPROC 233a9770eacSAndrew Lunn help 234a9770eacSAndrew Lunn This module provides a driver for MDIO bus multiplexers found in 235a9770eacSAndrew Lunn iProc based Broadcom SoCs. This multiplexer connects one of several 236a9770eacSAndrew Lunn child MDIO bus to a parent bus. Buses could be internal as well as 237a9770eacSAndrew Lunn external and selection logic lies inside the same multiplexer. 238a9770eacSAndrew Lunn 239a9770eacSAndrew Lunnconfig MDIO_BUS_MUX_GPIO 240a9770eacSAndrew Lunn tristate "GPIO controlled MDIO bus multiplexers" 241a9770eacSAndrew Lunn depends on OF_GPIO && OF_MDIO 242a9770eacSAndrew Lunn select MDIO_BUS_MUX 243a9770eacSAndrew Lunn help 244a9770eacSAndrew Lunn This module provides a driver for MDIO bus multiplexers that 245a9770eacSAndrew Lunn are controlled via GPIO lines. The multiplexer connects one of 246a9770eacSAndrew Lunn several child MDIO busses to a parent bus. Child bus 247a9770eacSAndrew Lunn selection is under the control of GPIO lines. 248a9770eacSAndrew Lunn 249a9770eacSAndrew Lunnconfig MDIO_BUS_MUX_MULTIPLEXER 250a9770eacSAndrew Lunn tristate "MDIO bus multiplexer using kernel multiplexer subsystem" 251a9770eacSAndrew Lunn depends on OF_MDIO 252a9770eacSAndrew Lunn select MULTIPLEXER 253a9770eacSAndrew Lunn select MDIO_BUS_MUX 254a9770eacSAndrew Lunn help 255a9770eacSAndrew Lunn This module provides a driver for MDIO bus multiplexer 256a9770eacSAndrew Lunn that is controlled via the kernel multiplexer subsystem. The 257a9770eacSAndrew Lunn bus multiplexer connects one of several child MDIO busses to 258a9770eacSAndrew Lunn a parent bus. Child bus selection is under the control of 259a9770eacSAndrew Lunn the kernel multiplexer subsystem. 260a9770eacSAndrew Lunn 261a9770eacSAndrew Lunnconfig MDIO_BUS_MUX_MMIOREG 262a9770eacSAndrew Lunn tristate "MMIO device-controlled MDIO bus multiplexers" 263a9770eacSAndrew Lunn depends on OF_MDIO && HAS_IOMEM 264a9770eacSAndrew Lunn select MDIO_BUS_MUX 265a9770eacSAndrew Lunn help 266a9770eacSAndrew Lunn This module provides a driver for MDIO bus multiplexers that 267a9770eacSAndrew Lunn are controlled via a simple memory-mapped device, like an FPGA. 268a9770eacSAndrew Lunn The multiplexer connects one of several child MDIO busses to a 269a9770eacSAndrew Lunn parent bus. Child bus selection is under the control of one of 270a9770eacSAndrew Lunn the FPGA's registers. 271a9770eacSAndrew Lunn 272a9770eacSAndrew Lunn Currently, only 8/16/32 bits registers are supported. 273a9770eacSAndrew Lunn 274a9770eacSAndrew Lunn 275a9770eacSAndrew Lunnendif 276a9770eacSAndrew Lunnendif 277