1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 226a84b3eSKishon Vijay Abraham I# 326a84b3eSKishon Vijay Abraham I# Bus Devices 426a84b3eSKishon Vijay Abraham I# 526a84b3eSKishon Vijay Abraham I 626a84b3eSKishon Vijay Abraham Imenu "Bus devices" 726a84b3eSKishon Vijay Abraham I 813fbf3c8SGeert Uytterhoevenconfig ARM_CCI 947f36e49SOlof Johansson bool 1047f36e49SOlof Johansson 1147f36e49SOlof Johanssonconfig ARM_CCI400_COMMON 1247f36e49SOlof Johansson bool 1347f36e49SOlof Johansson select ARM_CCI 1447f36e49SOlof Johansson 1547f36e49SOlof Johanssonconfig ARM_CCI400_PORT_CTRL 1647f36e49SOlof Johansson bool 1747f36e49SOlof Johansson depends on ARM && OF && CPU_V7 1847f36e49SOlof Johansson select ARM_CCI400_COMMON 1947f36e49SOlof Johansson help 2047f36e49SOlof Johansson Low level power management driver for CCI400 cache coherent 2147f36e49SOlof Johansson interconnect for ARM platforms. 2213fbf3c8SGeert Uytterhoeven 23ccea5e8aSLinus Walleijconfig ARM_INTEGRATOR_LM 24ccea5e8aSLinus Walleij bool "ARM Integrator Logic Module bus" 25ccea5e8aSLinus Walleij depends on HAS_IOMEM 26ccea5e8aSLinus Walleij depends on ARCH_INTEGRATOR || COMPILE_TEST 27ccea5e8aSLinus Walleij default ARCH_INTEGRATOR 28ccea5e8aSLinus Walleij help 29ccea5e8aSLinus Walleij Say y here to enable support for the ARM Logic Module bus 30ccea5e8aSLinus Walleij found on the ARM Integrator AP (Application Platform) 31ccea5e8aSLinus Walleij 3244127b77SFlorian Fainelliconfig BRCMSTB_GISB_ARB 33707a4cdfSFlorian Fainelli tristate "Broadcom STB GISB bus arbiter" 34112cd2f9SPeter Robinson depends on ARCH_BRCMSTB || BMIPS_GENERIC 35b0ec633cSFlorian Fainelli default ARCH_BRCMSTB || BMIPS_GENERIC 3644127b77SFlorian Fainelli help 3744127b77SFlorian Fainelli Driver for the Broadcom Set Top Box System-on-a-chip internal bus 3844127b77SFlorian Fainelli arbiter. This driver provides timeout and target abort error handling 3944127b77SFlorian Fainelli and internal bus master decoding. 4044127b77SFlorian Fainelli 418f93662dSSerge Seminconfig BT1_APB 42dc20e93bSSerge Semin bool "Baikal-T1 APB-bus driver" 438f93662dSSerge Semin depends on MIPS_BAIKAL_T1 || COMPILE_TEST 448f93662dSSerge Semin select REGMAP_MMIO 458f93662dSSerge Semin help 468f93662dSSerge Semin Baikal-T1 AXI-APB bridge is used to access the SoC subsystem CSRs. 478f93662dSSerge Semin IO requests are routed to this bus by means of the DW AMBA 3 AXI 488f93662dSSerge Semin Interconnect. In case of any APB protocol collisions, slave device 498f93662dSSerge Semin not responding on timeout an IRQ is raised with an erroneous address 508f93662dSSerge Semin reported to the APB terminator (APB Errors Handler Block). This 518f93662dSSerge Semin driver provides the interrupt handler to detect the erroneous 528f93662dSSerge Semin address, prints an error message about the address fault, updates an 538f93662dSSerge Semin errors counter. The counter and the APB-bus operations timeout can be 548f93662dSSerge Semin accessed via corresponding sysfs nodes. 558f93662dSSerge Semin 5663cb7713SSerge Seminconfig BT1_AXI 5722e795b4SSerge Semin bool "Baikal-T1 AXI-bus driver" 5863cb7713SSerge Semin depends on MIPS_BAIKAL_T1 || COMPILE_TEST 5963cb7713SSerge Semin select MFD_SYSCON 6063cb7713SSerge Semin help 6163cb7713SSerge Semin AXI3-bus is the main communication bus connecting all high-speed 6263cb7713SSerge Semin peripheral IP-cores with RAM controller and with MIPS P5600 cores on 6363cb7713SSerge Semin Baikal-T1 SoC. Traffic arbitration is done by means of DW AMBA 3 AXI 6463cb7713SSerge Semin Interconnect (so called AXI Main Interconnect) routing IO requests 6563cb7713SSerge Semin from one SoC block to another. This driver provides a way to detect 6663cb7713SSerge Semin any bus protocol errors and device not responding situations by 6763cb7713SSerge Semin means of an embedded on top of the interconnect errors handler 6863cb7713SSerge Semin block (EHB). AXI Interconnect QoS arbitration tuning is currently 6963cb7713SSerge Semin unsupported. 7063cb7713SSerge Semin 715bc7f990SMarek Behúnconfig MOXTET 725bc7f990SMarek Behún tristate "CZ.NIC Turris Mox module configuration bus" 735bc7f990SMarek Behún depends on SPI_MASTER && OF 745bc7f990SMarek Behún help 755bc7f990SMarek Behún Say yes here to add support for the module configuration bus found 765bc7f990SMarek Behún on CZ.NIC's Turris Mox. This is needed for the ability to discover 775bc7f990SMarek Behún the order in which the modules are connected and to get/set some of 785bc7f990SMarek Behún their settings. For example the GPIOs on Mox SFP module are 795bc7f990SMarek Behún configured through this bus. 805bc7f990SMarek Behún 81adf38bb0SZhichang Yuanconfig HISILICON_LPC 82adf38bb0SZhichang Yuan bool "Support for ISA I/O space on HiSilicon Hip06/7" 83a579fcfaSArnd Bergmann depends on (ARM64 && ARCH_HISI) || (COMPILE_TEST && !ALPHA && !HEXAGON && !PARISC) 84fcbfe812SNiklas Schnelle depends on HAS_IOPORT 853e5cd20dSJohn Garry select INDIRECT_PIO if ARM64 86adf38bb0SZhichang Yuan help 87adf38bb0SZhichang Yuan Driver to enable I/O access to devices attached to the Low Pin 88adf38bb0SZhichang Yuan Count bus on the HiSilicon Hip06/7 SoC. 89adf38bb0SZhichang Yuan 9085bf6d4eSHuang Shijieconfig IMX_WEIM 9185bf6d4eSHuang Shijie bool "Freescale EIM DRIVER" 92*ce6697a6SWu Bo depends on ARCH_MXC || COMPILE_TEST 9385bf6d4eSHuang Shijie help 943f98b6baSAlexander Shiyan Driver for i.MX WEIM controller. 9585bf6d4eSHuang Shijie The WEIM(Wireless External Interface Module) works like a bus. 9685bf6d4eSHuang Shijie You can attach many different devices on it, such as NOR, onenand. 9785bf6d4eSHuang Shijie 981c953bdaSLinus Walleijconfig INTEL_IXP4XX_EB 991c953bdaSLinus Walleij bool "Intel IXP4xx expansion bus interface driver" 1001c953bdaSLinus Walleij depends on HAS_IOMEM 1011c953bdaSLinus Walleij depends on ARCH_IXP4XX || COMPILE_TEST 1021c953bdaSLinus Walleij default ARCH_IXP4XX 1031c953bdaSLinus Walleij select MFD_SYSCON 1041c953bdaSLinus Walleij help 1051c953bdaSLinus Walleij Driver for the Intel IXP4xx expansion bus interface. The driver is 1061c953bdaSLinus Walleij needed to set up various chip select configuration parameters before 1071c953bdaSLinus Walleij devices on the expansion bus can be discovered. 1081c953bdaSLinus Walleij 1098286ae03SJames Hoganconfig MIPS_CDMM 1108286ae03SJames Hogan bool "MIPS Common Device Memory Map (CDMM) Driver" 11116274e58SSerge Semin depends on CPU_MIPSR2 || CPU_MIPSR5 1128286ae03SJames Hogan help 1138286ae03SJames Hogan Driver needed for the MIPS Common Device Memory Map bus in MIPS 1148286ae03SJames Hogan cores. This bus is for per-CPU tightly coupled devices such as the 1158286ae03SJames Hogan Fast Debug Channel (FDC). 1168286ae03SJames Hogan 1178286ae03SJames Hogan For this to work, either your bootloader needs to enable the CDMM 1188286ae03SJames Hogan region at an unused physical address on the boot CPU, or else your 1198286ae03SJames Hogan platform code needs to implement mips_cdmm_phys_base() (see 1208286ae03SJames Hogan asm/cdmm.h). 1218286ae03SJames Hogan 122fddddb52SThomas Petazzoniconfig MVEBU_MBUS 123fddddb52SThomas Petazzoni bool 124fddddb52SThomas Petazzoni depends on PLAT_ORION 125fddddb52SThomas Petazzoni help 126fddddb52SThomas Petazzoni Driver needed for the MBus configuration on Marvell EBU SoCs 127fddddb52SThomas Petazzoni (Kirkwood, Dove, Orion5x, MV78XX0 and Armada 370/XP). 128fddddb52SThomas Petazzoni 12913fbf3c8SGeert Uytterhoevenconfig OMAP_INTERCONNECT 13013fbf3c8SGeert Uytterhoeven tristate "OMAP INTERCONNECT DRIVER" 13113fbf3c8SGeert Uytterhoeven depends on ARCH_OMAP2PLUS 13213fbf3c8SGeert Uytterhoeven 13313fbf3c8SGeert Uytterhoeven help 13413fbf3c8SGeert Uytterhoeven Driver to enable OMAP interconnect error handling driver. 13513fbf3c8SGeert Uytterhoeven 13626a84b3eSKishon Vijay Abraham Iconfig OMAP_OCP2SCP 13726a84b3eSKishon Vijay Abraham I tristate "OMAP OCP2SCP DRIVER" 138770b6cb4STony Lindgren depends on ARCH_OMAP2PLUS 13926a84b3eSKishon Vijay Abraham I help 14026a84b3eSKishon Vijay Abraham I Driver to enable ocp2scp module which transforms ocp interface 14126a84b3eSKishon Vijay Abraham I protocol to scp protocol. In OMAP4, USB PHY is connected via 14226a84b3eSKishon Vijay Abraham I OCP2SCP and in OMAP5, both USB PHY and SATA PHY is connected via 14326a84b3eSKishon Vijay Abraham I OCP2SCP. 14426a84b3eSKishon Vijay Abraham I 145335a1275SLinus Walleijconfig QCOM_EBI2 146335a1275SLinus Walleij bool "Qualcomm External Bus Interface 2 (EBI2)" 147d6db68b2SLinus Walleij depends on HAS_IOMEM 1485fac7e84SLinus Walleij depends on ARCH_QCOM || COMPILE_TEST 149c5d8ccfeSLinus Walleij default ARCH_QCOM 150335a1275SLinus Walleij help 151335a1275SLinus Walleij Say y here to enable support for the Qualcomm External Bus 152335a1275SLinus Walleij Interface 2, which can be used to connect things like NAND Flash, 153335a1275SLinus Walleij SRAM, ethernet adapters, FPGAs and LCD displays. 154335a1275SLinus Walleij 15597d485edSMichael Srbaconfig QCOM_SSC_BLOCK_BUS 15697d485edSMichael Srba bool "Qualcomm SSC Block Bus Init Driver" 15797d485edSMichael Srba depends on ARCH_QCOM 15897d485edSMichael Srba help 15997d485edSMichael Srba Say y here to enable support for initializing the bus that connects 16097d485edSMichael Srba the SSC block's internal bus to the cNoC (configurantion NoC) on 16197d485edSMichael Srba (some) qcom SoCs. 16297d485edSMichael Srba The SSC (Snapdragon Sensor Core) block contains a gpio controller, 16397d485edSMichael Srba i2c/spi/uart controllers, a hexagon core, and a clock controller 16497d485edSMichael Srba which provides clocks for the above. 16597d485edSMichael Srba 1665c9668cfSGatien Chevallierconfig STM32_FIREWALL 1675c9668cfSGatien Chevallier bool "STM32 Firewall framework" 1685c9668cfSGatien Chevallier depends on (ARCH_STM32 || COMPILE_TEST) && OF 1695c9668cfSGatien Chevallier select OF_DYNAMIC 1705c9668cfSGatien Chevallier help 1715c9668cfSGatien Chevallier Say y to enable STM32 firewall framework and its services. Firewall 1725c9668cfSGatien Chevallier controllers will be able to register to the framework. Access for 1735c9668cfSGatien Chevallier hardware resources linked to a firewall controller can be requested 1745c9668cfSGatien Chevallier through this STM32 framework. 1755c9668cfSGatien Chevallier 1768818e865SIcenowy Zhengconfig SUN50I_DE2_BUS 1778818e865SIcenowy Zheng bool "Allwinner A64 DE2 Bus Driver" 1788818e865SIcenowy Zheng default ARM64 1798818e865SIcenowy Zheng depends on ARCH_SUNXI 1808818e865SIcenowy Zheng select SUNXI_SRAM 1818818e865SIcenowy Zheng help 1828818e865SIcenowy Zheng Say y here to enable support for Allwinner A64 DE2 bus driver. It's 1838818e865SIcenowy Zheng mostly transparent, but a SRAM region needs to be claimed in the SRAM 1848818e865SIcenowy Zheng controller to make the all blocks in the DE2 part accessible. 1858818e865SIcenowy Zheng 186d787dcdbSChen-Yu Tsaiconfig SUNXI_RSB 187d787dcdbSChen-Yu Tsai tristate "Allwinner sunXi Reduced Serial Bus Driver" 188dc1a37b2SJagan Teki default MACH_SUN8I || MACH_SUN9I || ARM64 189d787dcdbSChen-Yu Tsai depends on ARCH_SUNXI 190d787dcdbSChen-Yu Tsai select REGMAP 191d787dcdbSChen-Yu Tsai help 192d787dcdbSChen-Yu Tsai Say y here to enable support for Allwinner's Reduced Serial Bus 193d787dcdbSChen-Yu Tsai (RSB) support. This controller is responsible for communicating 194d787dcdbSChen-Yu Tsai with various RSB based devices, such as AXP223, AXP8XX PMICs, 195d787dcdbSChen-Yu Tsai and AC100/AC200 ICs. 196d787dcdbSChen-Yu Tsai 19746a88534SJon Hunterconfig TEGRA_ACONNECT 1982d301c07SThierry Reding tristate "Tegra ACONNECT Bus Driver" 1994acd21a4SPeter Robinson depends on ARCH_TEGRA 20046a88534SJon Hunter depends on OF && PM 20146a88534SJon Hunter help 20246a88534SJon Hunter Driver for the Tegra ACONNECT bus which is used to interface with 2034acd21a4SPeter Robinson the devices inside the Audio Processing Engine (APE) for 2044acd21a4SPeter Robinson Tegra210 and later. 20546a88534SJon Hunter 20640eb4776SMirza Krakconfig TEGRA_GMI 20740eb4776SMirza Krak tristate "Tegra Generic Memory Interface bus driver" 20840eb4776SMirza Krak depends on ARCH_TEGRA 20940eb4776SMirza Krak help 21040eb4776SMirza Krak Driver for the Tegra Generic Memory Interface bus which can be used 21140eb4776SMirza Krak to attach devices such as NOR, UART, FPGA and more. 21240eb4776SMirza Krak 2137cabf925SDavid Lechnerconfig TI_PWMSS 2147cabf925SDavid Lechner bool 215f213729fSDavid Lechner default y if (ARCH_OMAP2PLUS) && (PWM_TIECAP || PWM_TIEHRPWM || TI_EQEP) 2167cabf925SDavid Lechner help 2177cabf925SDavid Lechner PWM Subsystem driver support for AM33xx SOC. 2187cabf925SDavid Lechner 2197cabf925SDavid Lechner PWM submodules require PWM config space access from submodule 2207cabf925SDavid Lechner drivers and require common parent driver support. 2217cabf925SDavid Lechner 2220eecc636STony Lindgrenconfig TI_SYSC 2230eecc636STony Lindgren bool "TI sysc interconnect target module driver" 224063dc062STony Lindgren depends on ARCH_OMAP2PLUS || ARCH_K3 225063dc062STony Lindgren default y 2260eecc636STony Lindgren help 2270eecc636STony Lindgren Generic driver for Texas Instruments interconnect target module 2280eecc636STony Lindgren found on many TI SoCs. 2290eecc636STony Lindgren 2305b143d2aSSebastien Bourdelinconfig TS_NBUS 2315b143d2aSSebastien Bourdelin tristate "Technologic Systems NBUS Driver" 2325b143d2aSSebastien Bourdelin depends on SOC_IMX28 2335b143d2aSSebastien Bourdelin depends on OF_GPIO && PWM 2345b143d2aSSebastien Bourdelin help 2355b143d2aSSebastien Bourdelin Driver for the Technologic Systems NBUS which is used to interface 2365b143d2aSSebastien Bourdelin with the peripherals in the FPGA of the TS-4600 SoM. 2375b143d2aSSebastien Bourdelin 2384b7f48d3SMasahiro Yamadaconfig UNIPHIER_SYSTEM_BUS 239047a555fSMasahiro Yamada tristate "UniPhier System Bus driver" 2404b7f48d3SMasahiro Yamada depends on ARCH_UNIPHIER && OF 2414b7f48d3SMasahiro Yamada default y 2424b7f48d3SMasahiro Yamada help 2434b7f48d3SMasahiro Yamada Support for UniPhier System Bus, a simple external bus. This is 2444b7f48d3SMasahiro Yamada needed to use on-board devices connected to UniPhier SoCs. 2454b7f48d3SMasahiro Yamada 2463b9334acSPawel Mollconfig VEXPRESS_CONFIG 24770e4758aSRob Herring tristate "Versatile Express configuration bus" 2483b9334acSPawel Moll default y if ARCH_VEXPRESS 2493b9334acSPawel Moll depends on ARM || ARM64 250b33cdd28SArnd Bergmann depends on OF 2513b9334acSPawel Moll select REGMAP 2523b9334acSPawel Moll help 2533b9334acSPawel Moll Platform configuration infrastructure for the ARM Ltd. 2543b9334acSPawel Moll Versatile Express. 2558e7223fcSBartosz Golaszewski 2568e7223fcSBartosz Golaszewskiconfig DA8XX_MSTPRI 2578e7223fcSBartosz Golaszewski bool "TI da8xx master peripheral priority driver" 2588e7223fcSBartosz Golaszewski depends on ARCH_DAVINCI_DA8XX 2598e7223fcSBartosz Golaszewski help 2608e7223fcSBartosz Golaszewski Driver for Texas Instruments da8xx master peripheral priority 2618e7223fcSBartosz Golaszewski configuration. Allows to adjust the priorities of all master 2628e7223fcSBartosz Golaszewski peripherals. 2638e7223fcSBartosz Golaszewski 2646bd067c4SBogdan Purcareatasource "drivers/bus/fsl-mc/Kconfig" 2650cbf2608SManivannan Sadhasivamsource "drivers/bus/mhi/Kconfig" 2666bd067c4SBogdan Purcareata 26726a84b3eSKishon Vijay Abraham Iendmenu 268