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 tristate "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) 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 INTEL_IXP4XX_EB 99 bool "Intel IXP4xx expansion bus interface driver" 100 depends on HAS_IOMEM 101 depends on ARCH_IXP4XX || COMPILE_TEST 102 default ARCH_IXP4XX 103 select MFD_SYSCON 104 help 105 Driver for the Intel IXP4xx expansion bus interface. The driver is 106 needed to set up various chip select configuration parameters before 107 devices on the expansion bus can be discovered. 108 109config MIPS_CDMM 110 bool "MIPS Common Device Memory Map (CDMM) Driver" 111 depends on CPU_MIPSR2 || CPU_MIPSR5 112 help 113 Driver needed for the MIPS Common Device Memory Map bus in MIPS 114 cores. This bus is for per-CPU tightly coupled devices such as the 115 Fast Debug Channel (FDC). 116 117 For this to work, either your bootloader needs to enable the CDMM 118 region at an unused physical address on the boot CPU, or else your 119 platform code needs to implement mips_cdmm_phys_base() (see 120 asm/cdmm.h). 121 122config MVEBU_MBUS 123 bool 124 depends on PLAT_ORION 125 help 126 Driver needed for the MBus configuration on Marvell EBU SoCs 127 (Kirkwood, Dove, Orion5x, MV78XX0 and Armada 370/XP). 128 129config OMAP_INTERCONNECT 130 tristate "OMAP INTERCONNECT DRIVER" 131 depends on ARCH_OMAP2PLUS 132 133 help 134 Driver to enable OMAP interconnect error handling driver. 135 136config OMAP_OCP2SCP 137 tristate "OMAP OCP2SCP DRIVER" 138 depends on ARCH_OMAP2PLUS 139 help 140 Driver to enable ocp2scp module which transforms ocp interface 141 protocol to scp protocol. In OMAP4, USB PHY is connected via 142 OCP2SCP and in OMAP5, both USB PHY and SATA PHY is connected via 143 OCP2SCP. 144 145config QCOM_EBI2 146 bool "Qualcomm External Bus Interface 2 (EBI2)" 147 depends on HAS_IOMEM 148 depends on ARCH_QCOM || COMPILE_TEST 149 default ARCH_QCOM 150 help 151 Say y here to enable support for the Qualcomm External Bus 152 Interface 2, which can be used to connect things like NAND Flash, 153 SRAM, ethernet adapters, FPGAs and LCD displays. 154 155config SUN50I_DE2_BUS 156 bool "Allwinner A64 DE2 Bus Driver" 157 default ARM64 158 depends on ARCH_SUNXI 159 select SUNXI_SRAM 160 help 161 Say y here to enable support for Allwinner A64 DE2 bus driver. It's 162 mostly transparent, but a SRAM region needs to be claimed in the SRAM 163 controller to make the all blocks in the DE2 part accessible. 164 165config SUNXI_RSB 166 tristate "Allwinner sunXi Reduced Serial Bus Driver" 167 default MACH_SUN8I || MACH_SUN9I || ARM64 168 depends on ARCH_SUNXI 169 select REGMAP 170 help 171 Say y here to enable support for Allwinner's Reduced Serial Bus 172 (RSB) support. This controller is responsible for communicating 173 with various RSB based devices, such as AXP223, AXP8XX PMICs, 174 and AC100/AC200 ICs. 175 176config TEGRA_ACONNECT 177 tristate "Tegra ACONNECT Bus Driver" 178 depends on ARCH_TEGRA_210_SOC 179 depends on OF && PM 180 help 181 Driver for the Tegra ACONNECT bus which is used to interface with 182 the devices inside the Audio Processing Engine (APE) for Tegra210. 183 184config TEGRA_GMI 185 tristate "Tegra Generic Memory Interface bus driver" 186 depends on ARCH_TEGRA 187 help 188 Driver for the Tegra Generic Memory Interface bus which can be used 189 to attach devices such as NOR, UART, FPGA and more. 190 191config TI_PWMSS 192 bool 193 default y if (ARCH_OMAP2PLUS) && (PWM_TIECAP || PWM_TIEHRPWM || TI_EQEP) 194 help 195 PWM Subsystem driver support for AM33xx SOC. 196 197 PWM submodules require PWM config space access from submodule 198 drivers and require common parent driver support. 199 200config TI_SYSC 201 bool "TI sysc interconnect target module driver" 202 depends on ARCH_OMAP2PLUS 203 help 204 Generic driver for Texas Instruments interconnect target module 205 found on many TI SoCs. 206 207config TS_NBUS 208 tristate "Technologic Systems NBUS Driver" 209 depends on SOC_IMX28 210 depends on OF_GPIO && PWM 211 help 212 Driver for the Technologic Systems NBUS which is used to interface 213 with the peripherals in the FPGA of the TS-4600 SoM. 214 215config UNIPHIER_SYSTEM_BUS 216 tristate "UniPhier System Bus driver" 217 depends on ARCH_UNIPHIER && OF 218 default y 219 help 220 Support for UniPhier System Bus, a simple external bus. This is 221 needed to use on-board devices connected to UniPhier SoCs. 222 223config VEXPRESS_CONFIG 224 tristate "Versatile Express configuration bus" 225 default y if ARCH_VEXPRESS 226 depends on ARM || ARM64 227 depends on OF 228 select REGMAP 229 help 230 Platform configuration infrastructure for the ARM Ltd. 231 Versatile Express. 232 233config DA8XX_MSTPRI 234 bool "TI da8xx master peripheral priority driver" 235 depends on ARCH_DAVINCI_DA8XX 236 help 237 Driver for Texas Instruments da8xx master peripheral priority 238 configuration. Allows to adjust the priorities of all master 239 peripherals. 240 241source "drivers/bus/fsl-mc/Kconfig" 242source "drivers/bus/mhi/Kconfig" 243 244endmenu 245