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 11f4d58938SSuzuki K. Pouloseconfig ARM_CCI_PMU 12f4d58938SSuzuki K. Poulose bool 13f4d58938SSuzuki K. Poulose select ARM_CCI 14f4d58938SSuzuki K. Poulose 1547f36e49SOlof Johanssonconfig ARM_CCI400_COMMON 1647f36e49SOlof Johansson bool 1747f36e49SOlof Johansson select ARM_CCI 1847f36e49SOlof Johansson 1947f36e49SOlof Johanssonconfig ARM_CCI400_PMU 2047f36e49SOlof Johansson bool "ARM CCI400 PMU support" 2185bbba70SSuzuki K. Poulose depends on (ARM && CPU_V7) || ARM64 2285bbba70SSuzuki K. Poulose depends on PERF_EVENTS 2347f36e49SOlof Johansson select ARM_CCI400_COMMON 24f4d58938SSuzuki K. Poulose select ARM_CCI_PMU 2513fbf3c8SGeert Uytterhoeven help 2685bbba70SSuzuki K. Poulose Support for PMU events monitoring on the ARM CCI-400 (cache coherent 2785bbba70SSuzuki K. Poulose interconnect). CCI-400 supports counting events related to the 2885bbba70SSuzuki K. Poulose connected slave/master interfaces. 2947f36e49SOlof Johansson 3047f36e49SOlof Johanssonconfig ARM_CCI400_PORT_CTRL 3147f36e49SOlof Johansson bool 3247f36e49SOlof Johansson depends on ARM && OF && CPU_V7 3347f36e49SOlof Johansson select ARM_CCI400_COMMON 3447f36e49SOlof Johansson help 3547f36e49SOlof Johansson Low level power management driver for CCI400 cache coherent 3647f36e49SOlof Johansson interconnect for ARM platforms. 3713fbf3c8SGeert Uytterhoeven 383d2e8701SSuzuki K Pouloseconfig ARM_CCI5xx_PMU 39d7dd5fd7SSuzuki K Poulose bool "ARM CCI-500/CCI-550 PMU support" 40a95791efSSuzuki K. Poulose depends on (ARM && CPU_V7) || ARM64 41a95791efSSuzuki K. Poulose depends on PERF_EVENTS 42a95791efSSuzuki K. Poulose select ARM_CCI_PMU 43a95791efSSuzuki K. Poulose help 44d7dd5fd7SSuzuki K Poulose Support for PMU events monitoring on the ARM CCI-500/CCI-550 cache 45d7dd5fd7SSuzuki K Poulose coherent interconnects. Both of them provide 8 independent event counters, 46d7dd5fd7SSuzuki K Poulose which can count events pertaining to the slave/master interfaces as well 47a95791efSSuzuki K. Poulose as the internal events to the CCI. 48a95791efSSuzuki K. Poulose 49a95791efSSuzuki K. Poulose If unsure, say Y 50a95791efSSuzuki K. Poulose 5113fbf3c8SGeert Uytterhoevenconfig ARM_CCN 525420f9fdSSuzuki K Poulose tristate "ARM CCN driver support" 5313fbf3c8SGeert Uytterhoeven depends on ARM || ARM64 5413fbf3c8SGeert Uytterhoeven depends on PERF_EVENTS 5513fbf3c8SGeert Uytterhoeven help 5613fbf3c8SGeert Uytterhoeven PMU (perf) driver supporting the ARM CCN (Cache Coherent Network) 5713fbf3c8SGeert Uytterhoeven interconnect. 5813fbf3c8SGeert Uytterhoeven 5944127b77SFlorian Fainelliconfig BRCMSTB_GISB_ARB 6044127b77SFlorian Fainelli bool "Broadcom STB GISB bus arbiter" 618c7aa17aSDoug Berger depends on ARM || ARM64 || MIPS 62b0ec633cSFlorian Fainelli default ARCH_BRCMSTB || BMIPS_GENERIC 6344127b77SFlorian Fainelli help 6444127b77SFlorian Fainelli Driver for the Broadcom Set Top Box System-on-a-chip internal bus 6544127b77SFlorian Fainelli arbiter. This driver provides timeout and target abort error handling 6644127b77SFlorian Fainelli and internal bus master decoding. 6744127b77SFlorian Fainelli 6885bf6d4eSHuang Shijieconfig IMX_WEIM 6985bf6d4eSHuang Shijie bool "Freescale EIM DRIVER" 7085bf6d4eSHuang Shijie depends on ARCH_MXC 7185bf6d4eSHuang Shijie help 723f98b6baSAlexander Shiyan Driver for i.MX WEIM controller. 7385bf6d4eSHuang Shijie The WEIM(Wireless External Interface Module) works like a bus. 7485bf6d4eSHuang Shijie You can attach many different devices on it, such as NOR, onenand. 7585bf6d4eSHuang Shijie 768286ae03SJames Hoganconfig MIPS_CDMM 778286ae03SJames Hogan bool "MIPS Common Device Memory Map (CDMM) Driver" 788286ae03SJames Hogan depends on CPU_MIPSR2 798286ae03SJames Hogan help 808286ae03SJames Hogan Driver needed for the MIPS Common Device Memory Map bus in MIPS 818286ae03SJames Hogan cores. This bus is for per-CPU tightly coupled devices such as the 828286ae03SJames Hogan Fast Debug Channel (FDC). 838286ae03SJames Hogan 848286ae03SJames Hogan For this to work, either your bootloader needs to enable the CDMM 858286ae03SJames Hogan region at an unused physical address on the boot CPU, or else your 868286ae03SJames Hogan platform code needs to implement mips_cdmm_phys_base() (see 878286ae03SJames Hogan asm/cdmm.h). 888286ae03SJames Hogan 89fddddb52SThomas Petazzoniconfig MVEBU_MBUS 90fddddb52SThomas Petazzoni bool 91fddddb52SThomas Petazzoni depends on PLAT_ORION 92fddddb52SThomas Petazzoni help 93fddddb52SThomas Petazzoni Driver needed for the MBus configuration on Marvell EBU SoCs 94fddddb52SThomas Petazzoni (Kirkwood, Dove, Orion5x, MV78XX0 and Armada 370/XP). 95fddddb52SThomas Petazzoni 9613fbf3c8SGeert Uytterhoevenconfig OMAP_INTERCONNECT 9713fbf3c8SGeert Uytterhoeven tristate "OMAP INTERCONNECT DRIVER" 9813fbf3c8SGeert Uytterhoeven depends on ARCH_OMAP2PLUS 9913fbf3c8SGeert Uytterhoeven 10013fbf3c8SGeert Uytterhoeven help 10113fbf3c8SGeert Uytterhoeven Driver to enable OMAP interconnect error handling driver. 10213fbf3c8SGeert Uytterhoeven 10326a84b3eSKishon Vijay Abraham Iconfig OMAP_OCP2SCP 10426a84b3eSKishon Vijay Abraham I tristate "OMAP OCP2SCP DRIVER" 105770b6cb4STony Lindgren depends on ARCH_OMAP2PLUS 10626a84b3eSKishon Vijay Abraham I help 10726a84b3eSKishon Vijay Abraham I Driver to enable ocp2scp module which transforms ocp interface 10826a84b3eSKishon Vijay Abraham I protocol to scp protocol. In OMAP4, USB PHY is connected via 10926a84b3eSKishon Vijay Abraham I OCP2SCP and in OMAP5, both USB PHY and SATA PHY is connected via 11026a84b3eSKishon Vijay Abraham I OCP2SCP. 11126a84b3eSKishon Vijay Abraham I 112335a1275SLinus Walleijconfig QCOM_EBI2 113335a1275SLinus Walleij bool "Qualcomm External Bus Interface 2 (EBI2)" 114d6db68b2SLinus Walleij depends on HAS_IOMEM 1155fac7e84SLinus Walleij depends on ARCH_QCOM || COMPILE_TEST 116c5d8ccfeSLinus Walleij default ARCH_QCOM 117335a1275SLinus Walleij help 118335a1275SLinus Walleij Say y here to enable support for the Qualcomm External Bus 119335a1275SLinus Walleij Interface 2, which can be used to connect things like NAND Flash, 120335a1275SLinus Walleij SRAM, ethernet adapters, FPGAs and LCD displays. 121335a1275SLinus Walleij 12289d463eaSGeert Uytterhoevenconfig SIMPLE_PM_BUS 123a248efb3SPaul Gortmaker tristate "Simple Power-Managed Bus Driver" 12489d463eaSGeert Uytterhoeven depends on OF && PM 1250ee7261cSSantosh Shilimkar help 12689d463eaSGeert Uytterhoeven Driver for transparent busses that don't need a real driver, but 12789d463eaSGeert Uytterhoeven where the bus controller is part of a PM domain, or under the control 12889d463eaSGeert Uytterhoeven of a functional clock, and thus relies on runtime PM for managing 12989d463eaSGeert Uytterhoeven this PM domain and/or clock. 13089d463eaSGeert Uytterhoeven An example of such a bus controller is the Renesas Bus State 13189d463eaSGeert Uytterhoeven Controller (BSC, sometimes called "LBSC within Bus Bridge", or 13289d463eaSGeert Uytterhoeven "External Bus Interface") as found on several Renesas ARM SoCs. 133a33b0daaSPawel Moll 134d787dcdbSChen-Yu Tsaiconfig SUNXI_RSB 135d787dcdbSChen-Yu Tsai tristate "Allwinner sunXi Reduced Serial Bus Driver" 136dc1a37b2SJagan Teki default MACH_SUN8I || MACH_SUN9I || ARM64 137d787dcdbSChen-Yu Tsai depends on ARCH_SUNXI 138d787dcdbSChen-Yu Tsai select REGMAP 139d787dcdbSChen-Yu Tsai help 140d787dcdbSChen-Yu Tsai Say y here to enable support for Allwinner's Reduced Serial Bus 141d787dcdbSChen-Yu Tsai (RSB) support. This controller is responsible for communicating 142d787dcdbSChen-Yu Tsai with various RSB based devices, such as AXP223, AXP8XX PMICs, 143d787dcdbSChen-Yu Tsai and AC100/AC200 ICs. 144d787dcdbSChen-Yu Tsai 14546a88534SJon Hunterconfig TEGRA_ACONNECT 1462d301c07SThierry Reding tristate "Tegra ACONNECT Bus Driver" 14746a88534SJon Hunter depends on ARCH_TEGRA_210_SOC 14846a88534SJon Hunter depends on OF && PM 14946a88534SJon Hunter select PM_CLK 15046a88534SJon Hunter help 15146a88534SJon Hunter Driver for the Tegra ACONNECT bus which is used to interface with 15246a88534SJon Hunter the devices inside the Audio Processing Engine (APE) for Tegra210. 15346a88534SJon Hunter 15440eb4776SMirza Krakconfig TEGRA_GMI 15540eb4776SMirza Krak tristate "Tegra Generic Memory Interface bus driver" 15640eb4776SMirza Krak depends on ARCH_TEGRA 15740eb4776SMirza Krak help 15840eb4776SMirza Krak Driver for the Tegra Generic Memory Interface bus which can be used 15940eb4776SMirza Krak to attach devices such as NOR, UART, FPGA and more. 16040eb4776SMirza Krak 1610eecc636STony Lindgrenconfig TI_SYSC 1620eecc636STony Lindgren bool "TI sysc interconnect target module driver" 1630eecc636STony Lindgren depends on ARCH_OMAP2PLUS 1640eecc636STony Lindgren help 1650eecc636STony Lindgren Generic driver for Texas Instruments interconnect target module 1660eecc636STony Lindgren found on many TI SoCs. 1670eecc636STony Lindgren 1685b143d2aSSebastien Bourdelinconfig TS_NBUS 1695b143d2aSSebastien Bourdelin tristate "Technologic Systems NBUS Driver" 1705b143d2aSSebastien Bourdelin depends on SOC_IMX28 1715b143d2aSSebastien Bourdelin depends on OF_GPIO && PWM 1725b143d2aSSebastien Bourdelin help 1735b143d2aSSebastien Bourdelin Driver for the Technologic Systems NBUS which is used to interface 1745b143d2aSSebastien Bourdelin with the peripherals in the FPGA of the TS-4600 SoM. 1755b143d2aSSebastien Bourdelin 1764b7f48d3SMasahiro Yamadaconfig UNIPHIER_SYSTEM_BUS 177047a555fSMasahiro Yamada tristate "UniPhier System Bus driver" 1784b7f48d3SMasahiro Yamada depends on ARCH_UNIPHIER && OF 1794b7f48d3SMasahiro Yamada default y 1804b7f48d3SMasahiro Yamada help 1814b7f48d3SMasahiro Yamada Support for UniPhier System Bus, a simple external bus. This is 1824b7f48d3SMasahiro Yamada needed to use on-board devices connected to UniPhier SoCs. 1834b7f48d3SMasahiro Yamada 1843b9334acSPawel Mollconfig VEXPRESS_CONFIG 1853b9334acSPawel Moll bool "Versatile Express configuration bus" 1863b9334acSPawel Moll default y if ARCH_VEXPRESS 1873b9334acSPawel Moll depends on ARM || ARM64 188b33cdd28SArnd Bergmann depends on OF 1893b9334acSPawel Moll select REGMAP 1903b9334acSPawel Moll help 1913b9334acSPawel Moll Platform configuration infrastructure for the ARM Ltd. 1923b9334acSPawel Moll Versatile Express. 1938e7223fcSBartosz Golaszewski 1948e7223fcSBartosz Golaszewskiconfig DA8XX_MSTPRI 1958e7223fcSBartosz Golaszewski bool "TI da8xx master peripheral priority driver" 1968e7223fcSBartosz Golaszewski depends on ARCH_DAVINCI_DA8XX 1978e7223fcSBartosz Golaszewski help 1988e7223fcSBartosz Golaszewski Driver for Texas Instruments da8xx master peripheral priority 1998e7223fcSBartosz Golaszewski configuration. Allows to adjust the priorities of all master 2008e7223fcSBartosz Golaszewski peripherals. 2018e7223fcSBartosz Golaszewski 20226a84b3eSKishon Vijay Abraham Iendmenu 203