1# SPDX-License-Identifier: GPL-2.0 2# 3# Bus Devices 4# 5 6menu "Bus devices" 7 8config ARM_CCI 9 bool 10 11config ARM_CCI_PMU 12 bool 13 select ARM_CCI 14 15config ARM_CCI400_COMMON 16 bool 17 select ARM_CCI 18 19config ARM_CCI400_PMU 20 bool "ARM CCI400 PMU support" 21 depends on (ARM && CPU_V7) || ARM64 22 depends on PERF_EVENTS 23 select ARM_CCI400_COMMON 24 select ARM_CCI_PMU 25 help 26 Support for PMU events monitoring on the ARM CCI-400 (cache coherent 27 interconnect). CCI-400 supports counting events related to the 28 connected slave/master interfaces. 29 30config ARM_CCI400_PORT_CTRL 31 bool 32 depends on ARM && OF && CPU_V7 33 select ARM_CCI400_COMMON 34 help 35 Low level power management driver for CCI400 cache coherent 36 interconnect for ARM platforms. 37 38config ARM_CCI5xx_PMU 39 bool "ARM CCI-500/CCI-550 PMU support" 40 depends on (ARM && CPU_V7) || ARM64 41 depends on PERF_EVENTS 42 select ARM_CCI_PMU 43 help 44 Support for PMU events monitoring on the ARM CCI-500/CCI-550 cache 45 coherent interconnects. Both of them provide 8 independent event counters, 46 which can count events pertaining to the slave/master interfaces as well 47 as the internal events to the CCI. 48 49 If unsure, say Y 50 51config ARM_CCN 52 tristate "ARM CCN driver support" 53 depends on ARM || ARM64 54 depends on PERF_EVENTS 55 help 56 PMU (perf) driver supporting the ARM CCN (Cache Coherent Network) 57 interconnect. 58 59config BRCMSTB_GISB_ARB 60 bool "Broadcom STB GISB bus arbiter" 61 depends on ARM || ARM64 || MIPS 62 default ARCH_BRCMSTB || BMIPS_GENERIC 63 help 64 Driver for the Broadcom Set Top Box System-on-a-chip internal bus 65 arbiter. This driver provides timeout and target abort error handling 66 and internal bus master decoding. 67 68config IMX_WEIM 69 bool "Freescale EIM DRIVER" 70 depends on ARCH_MXC 71 help 72 Driver for i.MX WEIM controller. 73 The WEIM(Wireless External Interface Module) works like a bus. 74 You can attach many different devices on it, such as NOR, onenand. 75 76config MIPS_CDMM 77 bool "MIPS Common Device Memory Map (CDMM) Driver" 78 depends on CPU_MIPSR2 79 help 80 Driver needed for the MIPS Common Device Memory Map bus in MIPS 81 cores. This bus is for per-CPU tightly coupled devices such as the 82 Fast Debug Channel (FDC). 83 84 For this to work, either your bootloader needs to enable the CDMM 85 region at an unused physical address on the boot CPU, or else your 86 platform code needs to implement mips_cdmm_phys_base() (see 87 asm/cdmm.h). 88 89config MVEBU_MBUS 90 bool 91 depends on PLAT_ORION 92 help 93 Driver needed for the MBus configuration on Marvell EBU SoCs 94 (Kirkwood, Dove, Orion5x, MV78XX0 and Armada 370/XP). 95 96config OMAP_INTERCONNECT 97 tristate "OMAP INTERCONNECT DRIVER" 98 depends on ARCH_OMAP2PLUS 99 100 help 101 Driver to enable OMAP interconnect error handling driver. 102 103config OMAP_OCP2SCP 104 tristate "OMAP OCP2SCP DRIVER" 105 depends on ARCH_OMAP2PLUS 106 help 107 Driver to enable ocp2scp module which transforms ocp interface 108 protocol to scp protocol. In OMAP4, USB PHY is connected via 109 OCP2SCP and in OMAP5, both USB PHY and SATA PHY is connected via 110 OCP2SCP. 111 112config QCOM_EBI2 113 bool "Qualcomm External Bus Interface 2 (EBI2)" 114 depends on HAS_IOMEM 115 depends on ARCH_QCOM || COMPILE_TEST 116 default ARCH_QCOM 117 help 118 Say y here to enable support for the Qualcomm External Bus 119 Interface 2, which can be used to connect things like NAND Flash, 120 SRAM, ethernet adapters, FPGAs and LCD displays. 121 122config SIMPLE_PM_BUS 123 bool "Simple Power-Managed Bus Driver" 124 depends on OF && PM 125 help 126 Driver for transparent busses that don't need a real driver, but 127 where the bus controller is part of a PM domain, or under the control 128 of a functional clock, and thus relies on runtime PM for managing 129 this PM domain and/or clock. 130 An example of such a bus controller is the Renesas Bus State 131 Controller (BSC, sometimes called "LBSC within Bus Bridge", or 132 "External Bus Interface") as found on several Renesas ARM SoCs. 133 134config SUNXI_RSB 135 tristate "Allwinner sunXi Reduced Serial Bus Driver" 136 default MACH_SUN8I || MACH_SUN9I || ARM64 137 depends on ARCH_SUNXI 138 select REGMAP 139 help 140 Say y here to enable support for Allwinner's Reduced Serial Bus 141 (RSB) support. This controller is responsible for communicating 142 with various RSB based devices, such as AXP223, AXP8XX PMICs, 143 and AC100/AC200 ICs. 144 145config TEGRA_ACONNECT 146 tristate "Tegra ACONNECT Bus Driver" 147 depends on ARCH_TEGRA_210_SOC 148 depends on OF && PM 149 select PM_CLK 150 help 151 Driver for the Tegra ACONNECT bus which is used to interface with 152 the devices inside the Audio Processing Engine (APE) for Tegra210. 153 154config TEGRA_GMI 155 tristate "Tegra Generic Memory Interface bus driver" 156 depends on ARCH_TEGRA 157 help 158 Driver for the Tegra Generic Memory Interface bus which can be used 159 to attach devices such as NOR, UART, FPGA and more. 160 161config TI_SYSC 162 bool "TI sysc interconnect target module driver" 163 depends on ARCH_OMAP2PLUS 164 help 165 Generic driver for Texas Instruments interconnect target module 166 found on many TI SoCs. 167 168config TS_NBUS 169 tristate "Technologic Systems NBUS Driver" 170 depends on SOC_IMX28 171 depends on OF_GPIO && PWM 172 help 173 Driver for the Technologic Systems NBUS which is used to interface 174 with the peripherals in the FPGA of the TS-4600 SoM. 175 176config UNIPHIER_SYSTEM_BUS 177 tristate "UniPhier System Bus driver" 178 depends on ARCH_UNIPHIER && OF 179 default y 180 help 181 Support for UniPhier System Bus, a simple external bus. This is 182 needed to use on-board devices connected to UniPhier SoCs. 183 184config VEXPRESS_CONFIG 185 bool "Versatile Express configuration bus" 186 default y if ARCH_VEXPRESS 187 depends on ARM || ARM64 188 depends on OF 189 select REGMAP 190 help 191 Platform configuration infrastructure for the ARM Ltd. 192 Versatile Express. 193 194config DA8XX_MSTPRI 195 bool "TI da8xx master peripheral priority driver" 196 depends on ARCH_DAVINCI_DA8XX 197 help 198 Driver for Texas Instruments da8xx master peripheral priority 199 configuration. Allows to adjust the priorities of all master 200 peripherals. 201 202endmenu 203