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# SPDX-License-Identifier: GPL-2.0
#
# Bus Devices
#
menu "Bus devices"
config ARM_CCI
bool
config ARM_CCI400_COMMON
bool
select ARM_CCI
config ARM_CCI400_PORT_CTRL
bool
depends on ARM && OF && CPU_V7
select ARM_CCI400_COMMON
help
Low level power management driver for CCI400 cache coherent
interconnect for ARM platforms.
config BRCMSTB_GISB_ARB
bool "Broadcom STB GISB bus arbiter"
depends on ARM || ARM64 || MIPS
default ARCH_BRCMSTB || BMIPS_GENERIC
help
Driver for the Broadcom Set Top Box System-on-a-chip internal bus
arbiter. This driver provides timeout and target abort error handling
and internal bus master decoding.
config BT1_AXI
tristate "Baikal-T1 AXI-bus driver"
depends on MIPS_BAIKAL_T1 || COMPILE_TEST
select MFD_SYSCON
help
AXI3-bus is the main communication bus connecting all high-speed
peripheral IP-cores with RAM controller and with MIPS P5600 cores on
Baikal-T1 SoC. Traffic arbitration is done by means of DW AMBA 3 AXI
Interconnect (so called AXI Main Interconnect) routing IO requests
from one SoC block to another. This driver provides a way to detect
any bus protocol errors and device not responding situations by
means of an embedded on top of the interconnect errors handler
block (EHB). AXI Interconnect QoS arbitration tuning is currently
unsupported.
config MOXTET
tristate "CZ.NIC Turris Mox module configuration bus"
depends on SPI_MASTER && OF
help
Say yes here to add support for the module configuration bus found
on CZ.NIC's Turris Mox. This is needed for the ability to discover
the order in which the modules are connected and to get/set some of
their settings. For example the GPIOs on Mox SFP module are
configured through this bus.
config HISILICON_LPC
bool "Support for ISA I/O space on HiSilicon Hip06/7"
depends on (ARM64 && ARCH_HISI) || (COMPILE_TEST && !ALPHA && !HEXAGON && !PARISC && !C6X)
depends on HAS_IOMEM
select INDIRECT_PIO if ARM64
help
Driver to enable I/O access to devices attached to the Low Pin
Count bus on the HiSilicon Hip06/7 SoC.
config IMX_WEIM
bool "Freescale EIM DRIVER"
depends on ARCH_MXC
help
Driver for i.MX WEIM controller.
The WEIM(Wireless External Interface Module) works like a bus.
You can attach many different devices on it, such as NOR, onenand.
config MIPS_CDMM
bool "MIPS Common Device Memory Map (CDMM) Driver"
depends on CPU_MIPSR2
help
Driver needed for the MIPS Common Device Memory Map bus in MIPS
cores. This bus is for per-CPU tightly coupled devices such as the
Fast Debug Channel (FDC).
For this to work, either your bootloader needs to enable the CDMM
region at an unused physical address on the boot CPU, or else your
platform code needs to implement mips_cdmm_phys_base() (see
asm/cdmm.h).
config MVEBU_MBUS
bool
depends on PLAT_ORION
help
Driver needed for the MBus configuration on Marvell EBU SoCs
(Kirkwood, Dove, Orion5x, MV78XX0 and Armada 370/XP).
config OMAP_INTERCONNECT
tristate "OMAP INTERCONNECT DRIVER"
depends on ARCH_OMAP2PLUS
help
Driver to enable OMAP interconnect error handling driver.
config OMAP_OCP2SCP
tristate "OMAP OCP2SCP DRIVER"
depends on ARCH_OMAP2PLUS
help
Driver to enable ocp2scp module which transforms ocp interface
protocol to scp protocol. In OMAP4, USB PHY is connected via
OCP2SCP and in OMAP5, both USB PHY and SATA PHY is connected via
OCP2SCP.
config QCOM_EBI2
bool "Qualcomm External Bus Interface 2 (EBI2)"
depends on HAS_IOMEM
depends on ARCH_QCOM || COMPILE_TEST
default ARCH_QCOM
help
Say y here to enable support for the Qualcomm External Bus
Interface 2, which can be used to connect things like NAND Flash,
SRAM, ethernet adapters, FPGAs and LCD displays.
config SIMPLE_PM_BUS
tristate "Simple Power-Managed Bus Driver"
depends on OF && PM
help
Driver for transparent busses that don't need a real driver, but
where the bus controller is part of a PM domain, or under the control
of a functional clock, and thus relies on runtime PM for managing
this PM domain and/or clock.
An example of such a bus controller is the Renesas Bus State
Controller (BSC, sometimes called "LBSC within Bus Bridge", or
"External Bus Interface") as found on several Renesas ARM SoCs.
config SUN50I_DE2_BUS
bool "Allwinner A64 DE2 Bus Driver"
default ARM64
depends on ARCH_SUNXI
select SUNXI_SRAM
help
Say y here to enable support for Allwinner A64 DE2 bus driver. It's
mostly transparent, but a SRAM region needs to be claimed in the SRAM
controller to make the all blocks in the DE2 part accessible.
config SUNXI_RSB
tristate "Allwinner sunXi Reduced Serial Bus Driver"
default MACH_SUN8I || MACH_SUN9I || ARM64
depends on ARCH_SUNXI
select REGMAP
help
Say y here to enable support for Allwinner's Reduced Serial Bus
(RSB) support. This controller is responsible for communicating
with various RSB based devices, such as AXP223, AXP8XX PMICs,
and AC100/AC200 ICs.
config TEGRA_ACONNECT
tristate "Tegra ACONNECT Bus Driver"
depends on ARCH_TEGRA_210_SOC
depends on OF && PM
help
Driver for the Tegra ACONNECT bus which is used to interface with
the devices inside the Audio Processing Engine (APE) for Tegra210.
config TEGRA_GMI
tristate "Tegra Generic Memory Interface bus driver"
depends on ARCH_TEGRA
help
Driver for the Tegra Generic Memory Interface bus which can be used
to attach devices such as NOR, UART, FPGA and more.
config TI_PWMSS
bool
default y if (ARCH_OMAP2PLUS) && (PWM_TIECAP || PWM_TIEHRPWM || TI_EQEP)
help
PWM Subsystem driver support for AM33xx SOC.
PWM submodules require PWM config space access from submodule
drivers and require common parent driver support.
config TI_SYSC
bool "TI sysc interconnect target module driver"
depends on ARCH_OMAP2PLUS
help
Generic driver for Texas Instruments interconnect target module
found on many TI SoCs.
config TS_NBUS
tristate "Technologic Systems NBUS Driver"
depends on SOC_IMX28
depends on OF_GPIO && PWM
help
Driver for the Technologic Systems NBUS which is used to interface
with the peripherals in the FPGA of the TS-4600 SoM.
config UNIPHIER_SYSTEM_BUS
tristate "UniPhier System Bus driver"
depends on ARCH_UNIPHIER && OF
default y
help
Support for UniPhier System Bus, a simple external bus. This is
needed to use on-board devices connected to UniPhier SoCs.
config VEXPRESS_CONFIG
bool "Versatile Express configuration bus"
default y if ARCH_VEXPRESS
depends on ARM || ARM64
depends on OF
select REGMAP
help
Platform configuration infrastructure for the ARM Ltd.
Versatile Express.
config DA8XX_MSTPRI
bool "TI da8xx master peripheral priority driver"
depends on ARCH_DAVINCI_DA8XX
help
Driver for Texas Instruments da8xx master peripheral priority
configuration. Allows to adjust the priorities of all master
peripherals.
source "drivers/bus/fsl-mc/Kconfig"
source "drivers/bus/mhi/Kconfig"
endmenu
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