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e2d10998e4293a27c0389870b5fdf736a71d61ef
linux/drivers/bus/Kconfig
Linus Torvalds e2d10998e4 Merge tag 'devicetree-for-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux 
Pull devicetree updates from Rob Herring:
 "DT core:

   - Cleanup of the reserved memory code to keep CMA specifics in CMA
     code

   - Add and convert several users to new of_machine_get_match() helper

   - Validate nul termination in string properties

   - Update dtc to upstream v1.7.2-69-g53373d135579

   - Limit matching reserved memory devices to /reserved-memory nodes

   - Fix some UAF in unittests

   - Remove Baikal SoC bus driver

   - Fix false DT_SPLIT_BINDING_PATCH checkpatch warning

   - Allow fw_devlink device-tree on x86

   - Fix kerneldoc return description for of_property_count_elems_of_size()

  DT bindings:

   - Add fsl,imx25-aips, fsl,imx25-tcq, qcom,eliza-pdc,
     qcom,eliza-spmi-pmic-arb, qcom,hawi-imem, qcom,milos-imem,
     qcom,hawi-pdc, and lg,sw49410 bindings

   - Convert arm,vexpress-scc to DT schema

   - Deprecate Qualcomm generic CPU compatibles. Add Apple M3 CPU cores.

   - Move some dual-link display panels to the dual-link schema

   - Drop mux controller node name constraints

   - Remove Baikal SoC bus bindings

   - Fix a false warning in the thermal trip node binding"

* tag 'devicetree-for-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (39 commits)
  dt-bindings: display: panel: panel-simple: Add lg,sw49410 compatible
  dt-bindings: display: ti, am65x-dss: Fix AM62L DSS reg and clock constraints
  dt-bindings: display: simple: Move Innolux G156HCE-L01 panel to dual-link
  dt-bindings: display: simple: Move AUO 21.5" FHD to dual-link
  dt-bindings: thermal: Fix false warning with 'phandle' in trips nodes
  of: unittest: fix use-after-free in testdrv_probe()
  of: unittest: fix use-after-free in of_unittest_changeset()
  dt-bindings: qcom,pdc: document the Hawi Power Domain Controller
  dt-bindings: ARM: arm,vexpress-scc: convert to DT schema
  drivers/of: fdt: validate flat DT string properties before string use
  drivers/of: fdt: validate stdout-path properties before parsing them
  dt-bindings: sram: Document qcom,hawi-imem compatible
  dt-bindings: sram: Allow multiple-word prefixes to sram subnode
  dt-bindings: sram: Document qcom,milos-imem
  scripts/dtc: Update to upstream version v1.7.2-69-g53373d135579
  of: property: Allow fw_devlink device-tree on x86
  dt-bindings: arm: cpus: Add Apple M3 CPU core compatibles
  dt-bindings: display: lt8912b: Drop redundant endpoint properties
  dt-bindings: opp-v2: Fix example 3 CPU reg value
  dt-bindings: connector: add pd-disable dependency
  ...
2026-04-17 14:09:02 -07:00

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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 ARM_INTEGRATOR_LM
bool "ARM Integrator Logic Module bus"
depends on HAS_IOMEM
depends on ARCH_INTEGRATOR || COMPILE_TEST
default ARCH_INTEGRATOR
help
Say y here to enable support for the ARM Logic Module bus
found on the ARM Integrator AP (Application Platform)
config BRCMSTB_GISB_ARB
tristate "Broadcom STB GISB bus arbiter"
depends on ARCH_BRCMSTB || BMIPS_GENERIC
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 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)
depends on HAS_IOPORT
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_AIPSTZ
tristate "Support for IMX Secure AHB to IP Slave bus (AIPSTZ) bridge"
depends on ARCH_MXC
help
Enable support for IMX AIPSTZ bridge.
config IMX_WEIM
bool "Freescale EIM DRIVER"
depends on ARCH_MXC || COMPILE_TEST
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 INTEL_IXP4XX_EB
bool "Intel IXP4xx expansion bus interface driver"
depends on HAS_IOMEM
depends on ARCH_IXP4XX || COMPILE_TEST
default ARCH_IXP4XX
select MFD_SYSCON
help
Driver for the Intel IXP4xx expansion bus interface. The driver is
needed to set up various chip select configuration parameters before
devices on the expansion bus can be discovered.
config MIPS_CDMM
bool "MIPS Common Device Memory Map (CDMM) Driver"
depends on CPU_MIPSR2 || CPU_MIPSR5
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 || COMPILE_TEST
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 QCOM_SSC_BLOCK_BUS
bool "Qualcomm SSC Block Bus Init Driver"
depends on ARCH_QCOM
help
Say y here to enable support for initializing the bus that connects
the SSC block's internal bus to the cNoC (configurantion NoC) on
(some) qcom SoCs.
The SSC (Snapdragon Sensor Core) block contains a gpio controller,
i2c/spi/uart controllers, a hexagon core, and a clock controller
which provides clocks for the above.
config STM32_DBG_BUS
tristate "OP-TEE based debug access bus"
depends on OPTEE && STM32_FIREWALL
depends on ARCH_STM32 || COMPILE_TEST
help
Select this to get the support for the OP-TEE based STM32 debug bus
driver that is used to handle debug-related peripherals on STM32
platforms when the debug configuration is not accessible by the
normal world.
config STM32_FIREWALL
bool "STM32 Firewall framework"
depends on (ARCH_STM32 || COMPILE_TEST) && OF
select OF_DYNAMIC
help
Say y to enable STM32 firewall framework and its services. Firewall
controllers will be able to register to the framework. Access for
hardware resources linked to a firewall controller can be requested
through this STM32 framework.
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
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 and later.
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 || ARCH_K3
default y
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
tristate "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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