xref: /openbmc/linux/drivers/bus/Kconfig (revision b9b77222)
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 BRCMSTB_GISB_ARB
24	bool "Broadcom STB GISB bus arbiter"
25	depends on ARM || ARM64 || MIPS
26	default ARCH_BRCMSTB || BMIPS_GENERIC
27	help
28	  Driver for the Broadcom Set Top Box System-on-a-chip internal bus
29	  arbiter. This driver provides timeout and target abort error handling
30	  and internal bus master decoding.
31
32config HISILICON_LPC
33	bool "Support for ISA I/O space on HiSilicon Hip06/7"
34	depends on ARM64 && (ARCH_HISI || COMPILE_TEST)
35	select INDIRECT_PIO
36	help
37	  Driver to enable I/O access to devices attached to the Low Pin
38	  Count bus on the HiSilicon Hip06/7 SoC.
39
40config IMX_WEIM
41	bool "Freescale EIM DRIVER"
42	depends on ARCH_MXC
43	help
44	  Driver for i.MX WEIM controller.
45	  The WEIM(Wireless External Interface Module) works like a bus.
46	  You can attach many different devices on it, such as NOR, onenand.
47
48config MIPS_CDMM
49	bool "MIPS Common Device Memory Map (CDMM) Driver"
50	depends on CPU_MIPSR2
51	help
52	  Driver needed for the MIPS Common Device Memory Map bus in MIPS
53	  cores. This bus is for per-CPU tightly coupled devices such as the
54	  Fast Debug Channel (FDC).
55
56	  For this to work, either your bootloader needs to enable the CDMM
57	  region at an unused physical address on the boot CPU, or else your
58	  platform code needs to implement mips_cdmm_phys_base() (see
59	  asm/cdmm.h).
60
61config MVEBU_MBUS
62	bool
63	depends on PLAT_ORION
64	help
65	  Driver needed for the MBus configuration on Marvell EBU SoCs
66	  (Kirkwood, Dove, Orion5x, MV78XX0 and Armada 370/XP).
67
68config OMAP_INTERCONNECT
69	tristate "OMAP INTERCONNECT DRIVER"
70	depends on ARCH_OMAP2PLUS
71
72	help
73	  Driver to enable OMAP interconnect error handling driver.
74
75config OMAP_OCP2SCP
76	tristate "OMAP OCP2SCP DRIVER"
77	depends on ARCH_OMAP2PLUS
78	help
79	  Driver to enable ocp2scp module which transforms ocp interface
80	  protocol to scp protocol. In OMAP4, USB PHY is connected via
81	  OCP2SCP and in OMAP5, both USB PHY and SATA PHY is connected via
82	  OCP2SCP.
83
84config QCOM_EBI2
85	bool "Qualcomm External Bus Interface 2 (EBI2)"
86	depends on HAS_IOMEM
87	depends on ARCH_QCOM || COMPILE_TEST
88	default ARCH_QCOM
89	help
90	  Say y here to enable support for the Qualcomm External Bus
91	  Interface 2, which can be used to connect things like NAND Flash,
92	  SRAM, ethernet adapters, FPGAs and LCD displays.
93
94config SIMPLE_PM_BUS
95	tristate "Simple Power-Managed Bus Driver"
96	depends on OF && PM
97	help
98	  Driver for transparent busses that don't need a real driver, but
99	  where the bus controller is part of a PM domain, or under the control
100	  of a functional clock, and thus relies on runtime PM for managing
101	  this PM domain and/or clock.
102	  An example of such a bus controller is the Renesas Bus State
103	  Controller (BSC, sometimes called "LBSC within Bus Bridge", or
104	  "External Bus Interface") as found on several Renesas ARM SoCs.
105
106config SUNXI_RSB
107	tristate "Allwinner sunXi Reduced Serial Bus Driver"
108	  default MACH_SUN8I || MACH_SUN9I || ARM64
109	  depends on ARCH_SUNXI
110	  select REGMAP
111	  help
112	  Say y here to enable support for Allwinner's Reduced Serial Bus
113	  (RSB) support. This controller is responsible for communicating
114	  with various RSB based devices, such as AXP223, AXP8XX PMICs,
115	  and AC100/AC200 ICs.
116
117config TEGRA_ACONNECT
118	tristate "Tegra ACONNECT Bus Driver"
119	depends on ARCH_TEGRA_210_SOC
120	depends on OF && PM
121	select PM_CLK
122	help
123	  Driver for the Tegra ACONNECT bus which is used to interface with
124	  the devices inside the Audio Processing Engine (APE) for Tegra210.
125
126config TEGRA_GMI
127	tristate "Tegra Generic Memory Interface bus driver"
128	depends on ARCH_TEGRA
129	help
130	  Driver for the Tegra Generic Memory Interface bus which can be used
131	  to attach devices such as NOR, UART, FPGA and more.
132
133config TI_SYSC
134	bool "TI sysc interconnect target module driver"
135	depends on ARCH_OMAP2PLUS
136	help
137	  Generic driver for Texas Instruments interconnect target module
138	  found on many TI SoCs.
139
140config TS_NBUS
141	tristate "Technologic Systems NBUS Driver"
142	depends on SOC_IMX28
143	depends on OF_GPIO && PWM
144	help
145	  Driver for the Technologic Systems NBUS which is used to interface
146	  with the peripherals in the FPGA of the TS-4600 SoM.
147
148config UNIPHIER_SYSTEM_BUS
149	tristate "UniPhier System Bus driver"
150	depends on ARCH_UNIPHIER && OF
151	default y
152	help
153	  Support for UniPhier System Bus, a simple external bus.  This is
154	  needed to use on-board devices connected to UniPhier SoCs.
155
156config VEXPRESS_CONFIG
157	bool "Versatile Express configuration bus"
158	default y if ARCH_VEXPRESS
159	depends on ARM || ARM64
160	depends on OF
161	select REGMAP
162	help
163	  Platform configuration infrastructure for the ARM Ltd.
164	  Versatile Express.
165
166config DA8XX_MSTPRI
167	bool "TI da8xx master peripheral priority driver"
168	depends on ARCH_DAVINCI_DA8XX
169	help
170	  Driver for Texas Instruments da8xx master peripheral priority
171	  configuration. Allows to adjust the priorities of all master
172	  peripherals.
173
174source "drivers/bus/fsl-mc/Kconfig"
175
176endmenu
177