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 2344127b77SFlorian Fainelliconfig BRCMSTB_GISB_ARB 2444127b77SFlorian Fainelli bool "Broadcom STB GISB bus arbiter" 258c7aa17aSDoug Berger depends on ARM || ARM64 || MIPS 26b0ec633cSFlorian Fainelli default ARCH_BRCMSTB || BMIPS_GENERIC 2744127b77SFlorian Fainelli help 2844127b77SFlorian Fainelli Driver for the Broadcom Set Top Box System-on-a-chip internal bus 2944127b77SFlorian Fainelli arbiter. This driver provides timeout and target abort error handling 3044127b77SFlorian Fainelli and internal bus master decoding. 3144127b77SFlorian Fainelli 325bc7f990SMarek Behúnconfig MOXTET 335bc7f990SMarek Behún tristate "CZ.NIC Turris Mox module configuration bus" 345bc7f990SMarek Behún depends on SPI_MASTER && OF 355bc7f990SMarek Behún help 365bc7f990SMarek Behún Say yes here to add support for the module configuration bus found 375bc7f990SMarek Behún on CZ.NIC's Turris Mox. This is needed for the ability to discover 385bc7f990SMarek Behún the order in which the modules are connected and to get/set some of 395bc7f990SMarek Behún their settings. For example the GPIOs on Mox SFP module are 405bc7f990SMarek Behún configured through this bus. 415bc7f990SMarek Behún 42adf38bb0SZhichang Yuanconfig HISILICON_LPC 43adf38bb0SZhichang Yuan bool "Support for ISA I/O space on HiSilicon Hip06/7" 443e5cd20dSJohn Garry depends on (ARM64 && ARCH_HISI) || (COMPILE_TEST && !ALPHA && !HEXAGON && !PARISC && !C6X) 453e5cd20dSJohn Garry depends on HAS_IOMEM 463e5cd20dSJohn Garry select INDIRECT_PIO if ARM64 47adf38bb0SZhichang Yuan help 48adf38bb0SZhichang Yuan Driver to enable I/O access to devices attached to the Low Pin 49adf38bb0SZhichang Yuan Count bus on the HiSilicon Hip06/7 SoC. 50adf38bb0SZhichang Yuan 5185bf6d4eSHuang Shijieconfig IMX_WEIM 5285bf6d4eSHuang Shijie bool "Freescale EIM DRIVER" 5385bf6d4eSHuang Shijie depends on ARCH_MXC 5485bf6d4eSHuang Shijie help 553f98b6baSAlexander Shiyan Driver for i.MX WEIM controller. 5685bf6d4eSHuang Shijie The WEIM(Wireless External Interface Module) works like a bus. 5785bf6d4eSHuang Shijie You can attach many different devices on it, such as NOR, onenand. 5885bf6d4eSHuang Shijie 598286ae03SJames Hoganconfig MIPS_CDMM 608286ae03SJames Hogan bool "MIPS Common Device Memory Map (CDMM) Driver" 618286ae03SJames Hogan depends on CPU_MIPSR2 628286ae03SJames Hogan help 638286ae03SJames Hogan Driver needed for the MIPS Common Device Memory Map bus in MIPS 648286ae03SJames Hogan cores. This bus is for per-CPU tightly coupled devices such as the 658286ae03SJames Hogan Fast Debug Channel (FDC). 668286ae03SJames Hogan 678286ae03SJames Hogan For this to work, either your bootloader needs to enable the CDMM 688286ae03SJames Hogan region at an unused physical address on the boot CPU, or else your 698286ae03SJames Hogan platform code needs to implement mips_cdmm_phys_base() (see 708286ae03SJames Hogan asm/cdmm.h). 718286ae03SJames Hogan 72fddddb52SThomas Petazzoniconfig MVEBU_MBUS 73fddddb52SThomas Petazzoni bool 74fddddb52SThomas Petazzoni depends on PLAT_ORION 75fddddb52SThomas Petazzoni help 76fddddb52SThomas Petazzoni Driver needed for the MBus configuration on Marvell EBU SoCs 77fddddb52SThomas Petazzoni (Kirkwood, Dove, Orion5x, MV78XX0 and Armada 370/XP). 78fddddb52SThomas Petazzoni 7913fbf3c8SGeert Uytterhoevenconfig OMAP_INTERCONNECT 8013fbf3c8SGeert Uytterhoeven tristate "OMAP INTERCONNECT DRIVER" 8113fbf3c8SGeert Uytterhoeven depends on ARCH_OMAP2PLUS 8213fbf3c8SGeert Uytterhoeven 8313fbf3c8SGeert Uytterhoeven help 8413fbf3c8SGeert Uytterhoeven Driver to enable OMAP interconnect error handling driver. 8513fbf3c8SGeert Uytterhoeven 8626a84b3eSKishon Vijay Abraham Iconfig OMAP_OCP2SCP 8726a84b3eSKishon Vijay Abraham I tristate "OMAP OCP2SCP DRIVER" 88770b6cb4STony Lindgren depends on ARCH_OMAP2PLUS 8926a84b3eSKishon Vijay Abraham I help 9026a84b3eSKishon Vijay Abraham I Driver to enable ocp2scp module which transforms ocp interface 9126a84b3eSKishon Vijay Abraham I protocol to scp protocol. In OMAP4, USB PHY is connected via 9226a84b3eSKishon Vijay Abraham I OCP2SCP and in OMAP5, both USB PHY and SATA PHY is connected via 9326a84b3eSKishon Vijay Abraham I OCP2SCP. 9426a84b3eSKishon Vijay Abraham I 95335a1275SLinus Walleijconfig QCOM_EBI2 96335a1275SLinus Walleij bool "Qualcomm External Bus Interface 2 (EBI2)" 97d6db68b2SLinus Walleij depends on HAS_IOMEM 985fac7e84SLinus Walleij depends on ARCH_QCOM || COMPILE_TEST 99c5d8ccfeSLinus Walleij default ARCH_QCOM 100335a1275SLinus Walleij help 101335a1275SLinus Walleij Say y here to enable support for the Qualcomm External Bus 102335a1275SLinus Walleij Interface 2, which can be used to connect things like NAND Flash, 103335a1275SLinus Walleij SRAM, ethernet adapters, FPGAs and LCD displays. 104335a1275SLinus Walleij 10589d463eaSGeert Uytterhoevenconfig SIMPLE_PM_BUS 106a248efb3SPaul Gortmaker tristate "Simple Power-Managed Bus Driver" 10789d463eaSGeert Uytterhoeven depends on OF && PM 1080ee7261cSSantosh Shilimkar help 10989d463eaSGeert Uytterhoeven Driver for transparent busses that don't need a real driver, but 11089d463eaSGeert Uytterhoeven where the bus controller is part of a PM domain, or under the control 11189d463eaSGeert Uytterhoeven of a functional clock, and thus relies on runtime PM for managing 11289d463eaSGeert Uytterhoeven this PM domain and/or clock. 11389d463eaSGeert Uytterhoeven An example of such a bus controller is the Renesas Bus State 11489d463eaSGeert Uytterhoeven Controller (BSC, sometimes called "LBSC within Bus Bridge", or 11589d463eaSGeert Uytterhoeven "External Bus Interface") as found on several Renesas ARM SoCs. 116a33b0daaSPawel Moll 1178818e865SIcenowy Zhengconfig SUN50I_DE2_BUS 1188818e865SIcenowy Zheng bool "Allwinner A64 DE2 Bus Driver" 1198818e865SIcenowy Zheng default ARM64 1208818e865SIcenowy Zheng depends on ARCH_SUNXI 1218818e865SIcenowy Zheng select SUNXI_SRAM 1228818e865SIcenowy Zheng help 1238818e865SIcenowy Zheng Say y here to enable support for Allwinner A64 DE2 bus driver. It's 1248818e865SIcenowy Zheng mostly transparent, but a SRAM region needs to be claimed in the SRAM 1258818e865SIcenowy Zheng controller to make the all blocks in the DE2 part accessible. 1268818e865SIcenowy Zheng 127d787dcdbSChen-Yu Tsaiconfig SUNXI_RSB 128d787dcdbSChen-Yu Tsai tristate "Allwinner sunXi Reduced Serial Bus Driver" 129dc1a37b2SJagan Teki default MACH_SUN8I || MACH_SUN9I || ARM64 130d787dcdbSChen-Yu Tsai depends on ARCH_SUNXI 131d787dcdbSChen-Yu Tsai select REGMAP 132d787dcdbSChen-Yu Tsai help 133d787dcdbSChen-Yu Tsai Say y here to enable support for Allwinner's Reduced Serial Bus 134d787dcdbSChen-Yu Tsai (RSB) support. This controller is responsible for communicating 135d787dcdbSChen-Yu Tsai with various RSB based devices, such as AXP223, AXP8XX PMICs, 136d787dcdbSChen-Yu Tsai and AC100/AC200 ICs. 137d787dcdbSChen-Yu Tsai 13846a88534SJon Hunterconfig TEGRA_ACONNECT 1392d301c07SThierry Reding tristate "Tegra ACONNECT Bus Driver" 14046a88534SJon Hunter depends on ARCH_TEGRA_210_SOC 14146a88534SJon Hunter depends on OF && PM 14246a88534SJon Hunter help 14346a88534SJon Hunter Driver for the Tegra ACONNECT bus which is used to interface with 14446a88534SJon Hunter the devices inside the Audio Processing Engine (APE) for Tegra210. 14546a88534SJon Hunter 14640eb4776SMirza Krakconfig TEGRA_GMI 14740eb4776SMirza Krak tristate "Tegra Generic Memory Interface bus driver" 14840eb4776SMirza Krak depends on ARCH_TEGRA 14940eb4776SMirza Krak help 15040eb4776SMirza Krak Driver for the Tegra Generic Memory Interface bus which can be used 15140eb4776SMirza Krak to attach devices such as NOR, UART, FPGA and more. 15240eb4776SMirza Krak 1537cabf925SDavid Lechnerconfig TI_PWMSS 1547cabf925SDavid Lechner bool 155f213729fSDavid Lechner default y if (ARCH_OMAP2PLUS) && (PWM_TIECAP || PWM_TIEHRPWM || TI_EQEP) 1567cabf925SDavid Lechner help 1577cabf925SDavid Lechner PWM Subsystem driver support for AM33xx SOC. 1587cabf925SDavid Lechner 1597cabf925SDavid Lechner PWM submodules require PWM config space access from submodule 1607cabf925SDavid Lechner drivers and require common parent driver support. 1617cabf925SDavid Lechner 1620eecc636STony Lindgrenconfig TI_SYSC 1630eecc636STony Lindgren bool "TI sysc interconnect target module driver" 1640eecc636STony Lindgren depends on ARCH_OMAP2PLUS 1650eecc636STony Lindgren help 1660eecc636STony Lindgren Generic driver for Texas Instruments interconnect target module 1670eecc636STony Lindgren found on many TI SoCs. 1680eecc636STony Lindgren 1695b143d2aSSebastien Bourdelinconfig TS_NBUS 1705b143d2aSSebastien Bourdelin tristate "Technologic Systems NBUS Driver" 1715b143d2aSSebastien Bourdelin depends on SOC_IMX28 1725b143d2aSSebastien Bourdelin depends on OF_GPIO && PWM 1735b143d2aSSebastien Bourdelin help 1745b143d2aSSebastien Bourdelin Driver for the Technologic Systems NBUS which is used to interface 1755b143d2aSSebastien Bourdelin with the peripherals in the FPGA of the TS-4600 SoM. 1765b143d2aSSebastien Bourdelin 1774b7f48d3SMasahiro Yamadaconfig UNIPHIER_SYSTEM_BUS 178047a555fSMasahiro Yamada tristate "UniPhier System Bus driver" 1794b7f48d3SMasahiro Yamada depends on ARCH_UNIPHIER && OF 1804b7f48d3SMasahiro Yamada default y 1814b7f48d3SMasahiro Yamada help 1824b7f48d3SMasahiro Yamada Support for UniPhier System Bus, a simple external bus. This is 1834b7f48d3SMasahiro Yamada needed to use on-board devices connected to UniPhier SoCs. 1844b7f48d3SMasahiro Yamada 1853b9334acSPawel Mollconfig VEXPRESS_CONFIG 18670e4758aSRob Herring tristate "Versatile Express configuration bus" 1873b9334acSPawel Moll default y if ARCH_VEXPRESS 1883b9334acSPawel Moll depends on ARM || ARM64 189b33cdd28SArnd Bergmann depends on OF 1903b9334acSPawel Moll select REGMAP 1913b9334acSPawel Moll help 1923b9334acSPawel Moll Platform configuration infrastructure for the ARM Ltd. 1933b9334acSPawel Moll Versatile Express. 1948e7223fcSBartosz Golaszewski 1958e7223fcSBartosz Golaszewskiconfig DA8XX_MSTPRI 1968e7223fcSBartosz Golaszewski bool "TI da8xx master peripheral priority driver" 1978e7223fcSBartosz Golaszewski depends on ARCH_DAVINCI_DA8XX 1988e7223fcSBartosz Golaszewski help 1998e7223fcSBartosz Golaszewski Driver for Texas Instruments da8xx master peripheral priority 2008e7223fcSBartosz Golaszewski configuration. Allows to adjust the priorities of all master 2018e7223fcSBartosz Golaszewski peripherals. 2028e7223fcSBartosz Golaszewski 2036bd067c4SBogdan Purcareatasource "drivers/bus/fsl-mc/Kconfig" 2040cbf2608SManivannan Sadhasivamsource "drivers/bus/mhi/Kconfig" 2056bd067c4SBogdan Purcareata 20626a84b3eSKishon Vijay Abraham Iendmenu 207