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_CCI400_COMMON 12 bool 13 select ARM_CCI 14 15config ARM_CCI400_PORT_CTRL 16 bool 17 depends on ARM && OF && CPU_V7 18 select ARM_CCI400_COMMON 19 help 20 Low level power management driver for CCI400 cache coherent 21 interconnect for ARM platforms. 22 23config ARM_INTEGRATOR_LM 24 bool "ARM Integrator Logic Module bus" 25 depends on HAS_IOMEM 26 depends on ARCH_INTEGRATOR || COMPILE_TEST 27 default ARCH_INTEGRATOR 28 help 29 Say y here to enable support for the ARM Logic Module bus 30 found on the ARM Integrator AP (Application Platform) 31 32config BRCMSTB_GISB_ARB 33 bool "Broadcom STB GISB bus arbiter" 34 depends on ARM || ARM64 || MIPS 35 default ARCH_BRCMSTB || BMIPS_GENERIC 36 help 37 Driver for the Broadcom Set Top Box System-on-a-chip internal bus 38 arbiter. This driver provides timeout and target abort error handling 39 and internal bus master decoding. 40 41config BT1_APB 42 bool "Baikal-T1 APB-bus driver" 43 depends on MIPS_BAIKAL_T1 || COMPILE_TEST 44 select REGMAP_MMIO 45 help 46 Baikal-T1 AXI-APB bridge is used to access the SoC subsystem CSRs. 47 IO requests are routed to this bus by means of the DW AMBA 3 AXI 48 Interconnect. In case of any APB protocol collisions, slave device 49 not responding on timeout an IRQ is raised with an erroneous address 50 reported to the APB terminator (APB Errors Handler Block). This 51 driver provides the interrupt handler to detect the erroneous 52 address, prints an error message about the address fault, updates an 53 errors counter. The counter and the APB-bus operations timeout can be 54 accessed via corresponding sysfs nodes. 55 56config BT1_AXI 57 bool "Baikal-T1 AXI-bus driver" 58 depends on MIPS_BAIKAL_T1 || COMPILE_TEST 59 select MFD_SYSCON 60 help 61 AXI3-bus is the main communication bus connecting all high-speed 62 peripheral IP-cores with RAM controller and with MIPS P5600 cores on 63 Baikal-T1 SoC. Traffic arbitration is done by means of DW AMBA 3 AXI 64 Interconnect (so called AXI Main Interconnect) routing IO requests 65 from one SoC block to another. This driver provides a way to detect 66 any bus protocol errors and device not responding situations by 67 means of an embedded on top of the interconnect errors handler 68 block (EHB). AXI Interconnect QoS arbitration tuning is currently 69 unsupported. 70 71config MOXTET 72 tristate "CZ.NIC Turris Mox module configuration bus" 73 depends on SPI_MASTER && OF 74 help 75 Say yes here to add support for the module configuration bus found 76 on CZ.NIC's Turris Mox. This is needed for the ability to discover 77 the order in which the modules are connected and to get/set some of 78 their settings. For example the GPIOs on Mox SFP module are 79 configured through this bus. 80 81config HISILICON_LPC 82 bool "Support for ISA I/O space on HiSilicon Hip06/7" 83 depends on (ARM64 && ARCH_HISI) || (COMPILE_TEST && !ALPHA && !HEXAGON && !PARISC && !C6X) 84 depends on HAS_IOMEM 85 select INDIRECT_PIO if ARM64 86 help 87 Driver to enable I/O access to devices attached to the Low Pin 88 Count bus on the HiSilicon Hip06/7 SoC. 89 90config IMX_WEIM 91 bool "Freescale EIM DRIVER" 92 depends on ARCH_MXC 93 help 94 Driver for i.MX WEIM controller. 95 The WEIM(Wireless External Interface Module) works like a bus. 96 You can attach many different devices on it, such as NOR, onenand. 97 98config MIPS_CDMM 99 bool "MIPS Common Device Memory Map (CDMM) Driver" 100 depends on CPU_MIPSR2 || CPU_MIPSR5 101 help 102 Driver needed for the MIPS Common Device Memory Map bus in MIPS 103 cores. This bus is for per-CPU tightly coupled devices such as the 104 Fast Debug Channel (FDC). 105 106 For this to work, either your bootloader needs to enable the CDMM 107 region at an unused physical address on the boot CPU, or else your 108 platform code needs to implement mips_cdmm_phys_base() (see 109 asm/cdmm.h). 110 111config MVEBU_MBUS 112 bool 113 depends on PLAT_ORION 114 help 115 Driver needed for the MBus configuration on Marvell EBU SoCs 116 (Kirkwood, Dove, Orion5x, MV78XX0 and Armada 370/XP). 117 118config OMAP_INTERCONNECT 119 tristate "OMAP INTERCONNECT DRIVER" 120 depends on ARCH_OMAP2PLUS 121 122 help 123 Driver to enable OMAP interconnect error handling driver. 124 125config OMAP_OCP2SCP 126 tristate "OMAP OCP2SCP DRIVER" 127 depends on ARCH_OMAP2PLUS 128 help 129 Driver to enable ocp2scp module which transforms ocp interface 130 protocol to scp protocol. In OMAP4, USB PHY is connected via 131 OCP2SCP and in OMAP5, both USB PHY and SATA PHY is connected via 132 OCP2SCP. 133 134config QCOM_EBI2 135 bool "Qualcomm External Bus Interface 2 (EBI2)" 136 depends on HAS_IOMEM 137 depends on ARCH_QCOM || COMPILE_TEST 138 default ARCH_QCOM 139 help 140 Say y here to enable support for the Qualcomm External Bus 141 Interface 2, which can be used to connect things like NAND Flash, 142 SRAM, ethernet adapters, FPGAs and LCD displays. 143 144config SIMPLE_PM_BUS 145 tristate "Simple Power-Managed Bus Driver" 146 depends on OF && PM 147 help 148 Driver for transparent busses that don't need a real driver, but 149 where the bus controller is part of a PM domain, or under the control 150 of a functional clock, and thus relies on runtime PM for managing 151 this PM domain and/or clock. 152 An example of such a bus controller is the Renesas Bus State 153 Controller (BSC, sometimes called "LBSC within Bus Bridge", or 154 "External Bus Interface") as found on several Renesas ARM SoCs. 155 156config SUN50I_DE2_BUS 157 bool "Allwinner A64 DE2 Bus Driver" 158 default ARM64 159 depends on ARCH_SUNXI 160 select SUNXI_SRAM 161 help 162 Say y here to enable support for Allwinner A64 DE2 bus driver. It's 163 mostly transparent, but a SRAM region needs to be claimed in the SRAM 164 controller to make the all blocks in the DE2 part accessible. 165 166config SUNXI_RSB 167 tristate "Allwinner sunXi Reduced Serial Bus Driver" 168 default MACH_SUN8I || MACH_SUN9I || ARM64 169 depends on ARCH_SUNXI 170 select REGMAP 171 help 172 Say y here to enable support for Allwinner's Reduced Serial Bus 173 (RSB) support. This controller is responsible for communicating 174 with various RSB based devices, such as AXP223, AXP8XX PMICs, 175 and AC100/AC200 ICs. 176 177config TEGRA_ACONNECT 178 tristate "Tegra ACONNECT Bus Driver" 179 depends on ARCH_TEGRA_210_SOC 180 depends on OF && PM 181 help 182 Driver for the Tegra ACONNECT bus which is used to interface with 183 the devices inside the Audio Processing Engine (APE) for Tegra210. 184 185config TEGRA_GMI 186 tristate "Tegra Generic Memory Interface bus driver" 187 depends on ARCH_TEGRA 188 help 189 Driver for the Tegra Generic Memory Interface bus which can be used 190 to attach devices such as NOR, UART, FPGA and more. 191 192config TI_PWMSS 193 bool 194 default y if (ARCH_OMAP2PLUS) && (PWM_TIECAP || PWM_TIEHRPWM || TI_EQEP) 195 help 196 PWM Subsystem driver support for AM33xx SOC. 197 198 PWM submodules require PWM config space access from submodule 199 drivers and require common parent driver support. 200 201config TI_SYSC 202 bool "TI sysc interconnect target module driver" 203 depends on ARCH_OMAP2PLUS 204 help 205 Generic driver for Texas Instruments interconnect target module 206 found on many TI SoCs. 207 208config TS_NBUS 209 tristate "Technologic Systems NBUS Driver" 210 depends on SOC_IMX28 211 depends on OF_GPIO && PWM 212 help 213 Driver for the Technologic Systems NBUS which is used to interface 214 with the peripherals in the FPGA of the TS-4600 SoM. 215 216config UNIPHIER_SYSTEM_BUS 217 tristate "UniPhier System Bus driver" 218 depends on ARCH_UNIPHIER && OF 219 default y 220 help 221 Support for UniPhier System Bus, a simple external bus. This is 222 needed to use on-board devices connected to UniPhier SoCs. 223 224config VEXPRESS_CONFIG 225 tristate "Versatile Express configuration bus" 226 default y if ARCH_VEXPRESS 227 depends on ARM || ARM64 228 depends on OF 229 select REGMAP 230 help 231 Platform configuration infrastructure for the ARM Ltd. 232 Versatile Express. 233 234config DA8XX_MSTPRI 235 bool "TI da8xx master peripheral priority driver" 236 depends on ARCH_DAVINCI_DA8XX 237 help 238 Driver for Texas Instruments da8xx master peripheral priority 239 configuration. Allows to adjust the priorities of all master 240 peripherals. 241 242source "drivers/bus/fsl-mc/Kconfig" 243source "drivers/bus/mhi/Kconfig" 244 245endmenu 246