Merge remote-tracking branch 'regulator/for-next'
[deliverable/linux.git] / drivers / dma / Kconfig
1 #
2 # DMA engine configuration
3 #
4
5 menuconfig DMADEVICES
6 bool "DMA Engine support"
7 depends on HAS_DMA
8 help
9 DMA engines can do asynchronous data transfers without
10 involving the host CPU. Currently, this framework can be
11 used to offload memory copies in the network stack and
12 RAID operations in the MD driver. This menu only presents
13 DMA Device drivers supported by the configured arch, it may
14 be empty in some cases.
15
16 config DMADEVICES_DEBUG
17 bool "DMA Engine debugging"
18 depends on DMADEVICES != n
19 help
20 This is an option for use by developers; most people should
21 say N here. This enables DMA engine core and driver debugging.
22
23 config DMADEVICES_VDEBUG
24 bool "DMA Engine verbose debugging"
25 depends on DMADEVICES_DEBUG != n
26 help
27 This is an option for use by developers; most people should
28 say N here. This enables deeper (more verbose) debugging of
29 the DMA engine core and drivers.
30
31
32 if DMADEVICES
33
34 comment "DMA Devices"
35
36 #core
37 config ASYNC_TX_ENABLE_CHANNEL_SWITCH
38 bool
39
40 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
41 bool
42
43 config DMA_ENGINE
44 bool
45
46 config DMA_VIRTUAL_CHANNELS
47 tristate
48
49 config DMA_ACPI
50 def_bool y
51 depends on ACPI
52
53 config DMA_OF
54 def_bool y
55 depends on OF
56 select DMA_ENGINE
57
58 #devices
59 config AMBA_PL08X
60 bool "ARM PrimeCell PL080 or PL081 support"
61 depends on ARM_AMBA
62 select DMA_ENGINE
63 select DMA_VIRTUAL_CHANNELS
64 help
65 Platform has a PL08x DMAC device
66 which can provide DMA engine support
67
68 config AMCC_PPC440SPE_ADMA
69 tristate "AMCC PPC440SPe ADMA support"
70 depends on 440SPe || 440SP
71 select DMA_ENGINE
72 select DMA_ENGINE_RAID
73 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
74 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
75 help
76 Enable support for the AMCC PPC440SPe RAID engines.
77
78 config AT_HDMAC
79 tristate "Atmel AHB DMA support"
80 depends on ARCH_AT91
81 select DMA_ENGINE
82 help
83 Support the Atmel AHB DMA controller.
84
85 config AT_XDMAC
86 tristate "Atmel XDMA support"
87 depends on ARCH_AT91
88 select DMA_ENGINE
89 help
90 Support the Atmel XDMA controller.
91
92 config AXI_DMAC
93 tristate "Analog Devices AXI-DMAC DMA support"
94 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_SOCFPGA || COMPILE_TEST
95 select DMA_ENGINE
96 select DMA_VIRTUAL_CHANNELS
97 help
98 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
99 controller is often used in Analog Device's reference designs for FPGA
100 platforms.
101
102 config COH901318
103 bool "ST-Ericsson COH901318 DMA support"
104 select DMA_ENGINE
105 depends on ARCH_U300
106 help
107 Enable support for ST-Ericsson COH 901 318 DMA.
108
109 config DMA_BCM2835
110 tristate "BCM2835 DMA engine support"
111 depends on ARCH_BCM2835
112 select DMA_ENGINE
113 select DMA_VIRTUAL_CHANNELS
114
115 config DMA_JZ4740
116 tristate "JZ4740 DMA support"
117 depends on MACH_JZ4740
118 select DMA_ENGINE
119 select DMA_VIRTUAL_CHANNELS
120
121 config DMA_JZ4780
122 tristate "JZ4780 DMA support"
123 depends on MACH_JZ4780
124 select DMA_ENGINE
125 select DMA_VIRTUAL_CHANNELS
126 help
127 This selects support for the DMA controller in Ingenic JZ4780 SoCs.
128 If you have a board based on such a SoC and wish to use DMA for
129 devices which can use the DMA controller, say Y or M here.
130
131 config DMA_OMAP
132 tristate "OMAP DMA support"
133 depends on ARCH_OMAP
134 select DMA_ENGINE
135 select DMA_VIRTUAL_CHANNELS
136 select TI_DMA_CROSSBAR if SOC_DRA7XX
137
138 config DMA_SA11X0
139 tristate "SA-11x0 DMA support"
140 depends on ARCH_SA1100
141 select DMA_ENGINE
142 select DMA_VIRTUAL_CHANNELS
143 help
144 Support the DMA engine found on Intel StrongARM SA-1100 and
145 SA-1110 SoCs. This DMA engine can only be used with on-chip
146 devices.
147
148 config DMA_SUN4I
149 tristate "Allwinner A10 DMA SoCs support"
150 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
151 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
152 select DMA_ENGINE
153 select DMA_OF
154 select DMA_VIRTUAL_CHANNELS
155 help
156 Enable support for the DMA controller present in the sun4i,
157 sun5i and sun7i Allwinner ARM SoCs.
158
159 config DMA_SUN6I
160 tristate "Allwinner A31 SoCs DMA support"
161 depends on MACH_SUN6I || MACH_SUN8I || COMPILE_TEST
162 depends on RESET_CONTROLLER
163 select DMA_ENGINE
164 select DMA_VIRTUAL_CHANNELS
165 help
166 Support for the DMA engine first found in Allwinner A31 SoCs.
167
168 config EP93XX_DMA
169 bool "Cirrus Logic EP93xx DMA support"
170 depends on ARCH_EP93XX
171 select DMA_ENGINE
172 help
173 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
174
175 config FSL_DMA
176 tristate "Freescale Elo series DMA support"
177 depends on FSL_SOC
178 select DMA_ENGINE
179 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
180 ---help---
181 Enable support for the Freescale Elo series DMA controllers.
182 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
183 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
184 some Txxx and Bxxx parts.
185
186 config FSL_EDMA
187 tristate "Freescale eDMA engine support"
188 depends on OF
189 select DMA_ENGINE
190 select DMA_VIRTUAL_CHANNELS
191 help
192 Support the Freescale eDMA engine with programmable channel
193 multiplexing capability for DMA request sources(slot).
194 This module can be found on Freescale Vybrid and LS-1 SoCs.
195
196 config FSL_RAID
197 tristate "Freescale RAID engine Support"
198 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
199 select DMA_ENGINE
200 select DMA_ENGINE_RAID
201 ---help---
202 Enable support for Freescale RAID Engine. RAID Engine is
203 available on some QorIQ SoCs (like P5020/P5040). It has
204 the capability to offload memcpy, xor and pq computation
205 for raid5/6.
206
207 config IMG_MDC_DMA
208 tristate "IMG MDC support"
209 depends on MIPS || COMPILE_TEST
210 depends on MFD_SYSCON
211 select DMA_ENGINE
212 select DMA_VIRTUAL_CHANNELS
213 help
214 Enable support for the IMG multi-threaded DMA controller (MDC).
215
216 config IMX_DMA
217 tristate "i.MX DMA support"
218 depends on ARCH_MXC
219 select DMA_ENGINE
220 help
221 Support the i.MX DMA engine. This engine is integrated into
222 Freescale i.MX1/21/27 chips.
223
224 config IMX_SDMA
225 tristate "i.MX SDMA support"
226 depends on ARCH_MXC
227 select DMA_ENGINE
228 help
229 Support the i.MX SDMA engine. This engine is integrated into
230 Freescale i.MX25/31/35/51/53/6 chips.
231
232 config INTEL_IDMA64
233 tristate "Intel integrated DMA 64-bit support"
234 select DMA_ENGINE
235 select DMA_VIRTUAL_CHANNELS
236 help
237 Enable DMA support for Intel Low Power Subsystem such as found on
238 Intel Skylake PCH.
239
240 config INTEL_IOATDMA
241 tristate "Intel I/OAT DMA support"
242 depends on PCI && X86_64
243 select DMA_ENGINE
244 select DMA_ENGINE_RAID
245 select DCA
246 help
247 Enable support for the Intel(R) I/OAT DMA engine present
248 in recent Intel Xeon chipsets.
249
250 Say Y here if you have such a chipset.
251
252 If unsure, say N.
253
254 config INTEL_IOP_ADMA
255 tristate "Intel IOP ADMA support"
256 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
257 select DMA_ENGINE
258 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
259 help
260 Enable support for the Intel(R) IOP Series RAID engines.
261
262 config INTEL_MIC_X100_DMA
263 tristate "Intel MIC X100 DMA Driver"
264 depends on 64BIT && X86 && INTEL_MIC_BUS
265 select DMA_ENGINE
266 help
267 This enables DMA support for the Intel Many Integrated Core
268 (MIC) family of PCIe form factor coprocessor X100 devices that
269 run a 64 bit Linux OS. This driver will be used by both MIC
270 host and card drivers.
271
272 If you are building host kernel with a MIC device or a card
273 kernel for a MIC device, then say M (recommended) or Y, else
274 say N. If unsure say N.
275
276 More information about the Intel MIC family as well as the Linux
277 OS and tools for MIC to use with this driver are available from
278 <http://software.intel.com/en-us/mic-developer>.
279
280 config K3_DMA
281 tristate "Hisilicon K3 DMA support"
282 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
283 select DMA_ENGINE
284 select DMA_VIRTUAL_CHANNELS
285 help
286 Support the DMA engine for Hisilicon K3 platform
287 devices.
288
289 config LPC18XX_DMAMUX
290 bool "NXP LPC18xx/43xx DMA MUX for PL080"
291 depends on ARCH_LPC18XX || COMPILE_TEST
292 depends on OF && AMBA_PL08X
293 select MFD_SYSCON
294 help
295 Enable support for DMA on NXP LPC18xx/43xx platforms
296 with PL080 and multiplexed DMA request lines.
297
298 config MMP_PDMA
299 bool "MMP PDMA support"
300 depends on (ARCH_MMP || ARCH_PXA)
301 select DMA_ENGINE
302 help
303 Support the MMP PDMA engine for PXA and MMP platform.
304
305 config MMP_TDMA
306 bool "MMP Two-Channel DMA support"
307 depends on ARCH_MMP
308 select DMA_ENGINE
309 select MMP_SRAM
310 help
311 Support the MMP Two-Channel DMA engine.
312 This engine used for MMP Audio DMA and pxa910 SQU.
313 It needs sram driver under mach-mmp.
314
315 config MOXART_DMA
316 tristate "MOXART DMA support"
317 depends on ARCH_MOXART
318 select DMA_ENGINE
319 select DMA_OF
320 select DMA_VIRTUAL_CHANNELS
321 help
322 Enable support for the MOXA ART SoC DMA controller.
323
324 Say Y here if you enabled MMP ADMA, otherwise say N.
325
326 config MPC512X_DMA
327 tristate "Freescale MPC512x built-in DMA engine support"
328 depends on PPC_MPC512x || PPC_MPC831x
329 select DMA_ENGINE
330 ---help---
331 Enable support for the Freescale MPC512x built-in DMA engine.
332
333 config MV_XOR
334 bool "Marvell XOR engine support"
335 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
336 select DMA_ENGINE
337 select DMA_ENGINE_RAID
338 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
339 ---help---
340 Enable support for the Marvell XOR engine.
341
342 config MV_XOR_V2
343 bool "Marvell XOR engine version 2 support "
344 depends on ARM64
345 select DMA_ENGINE
346 select DMA_ENGINE_RAID
347 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
348 select GENERIC_MSI_IRQ_DOMAIN
349 ---help---
350 Enable support for the Marvell version 2 XOR engine.
351
352 This engine provides acceleration for copy, XOR and RAID6
353 operations, and is available on Marvell Armada 7K and 8K
354 platforms.
355
356 config MXS_DMA
357 bool "MXS DMA support"
358 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q || SOC_IMX6UL
359 select STMP_DEVICE
360 select DMA_ENGINE
361 help
362 Support the MXS DMA engine. This engine including APBH-DMA
363 and APBX-DMA is integrated into Freescale
364 i.MX23/28/MX6Q/MX6DL/MX6UL chips.
365
366 config MX3_IPU
367 bool "MX3x Image Processing Unit support"
368 depends on ARCH_MXC
369 select DMA_ENGINE
370 default y
371 help
372 If you plan to use the Image Processing unit in the i.MX3x, say
373 Y here. If unsure, select Y.
374
375 config MX3_IPU_IRQS
376 int "Number of dynamically mapped interrupts for IPU"
377 depends on MX3_IPU
378 range 2 137
379 default 4
380 help
381 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
382 To avoid bloating the irq_desc[] array we allocate a sufficient
383 number of IRQ slots and map them dynamically to specific sources.
384
385 config NBPFAXI_DMA
386 tristate "Renesas Type-AXI NBPF DMA support"
387 select DMA_ENGINE
388 depends on ARM || COMPILE_TEST
389 help
390 Support for "Type-AXI" NBPF DMA IPs from Renesas
391
392 config PCH_DMA
393 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
394 depends on PCI && (X86_32 || COMPILE_TEST)
395 select DMA_ENGINE
396 help
397 Enable support for Intel EG20T PCH DMA engine.
398
399 This driver also can be used for LAPIS Semiconductor IOH(Input/
400 Output Hub), ML7213, ML7223 and ML7831.
401 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
402 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
403 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
404 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
405
406 config PL330_DMA
407 tristate "DMA API Driver for PL330"
408 select DMA_ENGINE
409 depends on ARM_AMBA
410 help
411 Select if your platform has one or more PL330 DMACs.
412 You need to provide platform specific settings via
413 platform_data for a dma-pl330 device.
414
415 config PXA_DMA
416 bool "PXA DMA support"
417 depends on (ARCH_MMP || ARCH_PXA)
418 select DMA_ENGINE
419 select DMA_VIRTUAL_CHANNELS
420 help
421 Support the DMA engine for PXA. It is also compatible with MMP PDMA
422 platform. The internal DMA IP of all PXA variants is supported, with
423 16 to 32 channels for peripheral to memory or memory to memory
424 transfers.
425
426 config SIRF_DMA
427 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
428 depends on ARCH_SIRF
429 select DMA_ENGINE
430 help
431 Enable support for the CSR SiRFprimaII DMA engine.
432
433 config STE_DMA40
434 bool "ST-Ericsson DMA40 support"
435 depends on ARCH_U8500
436 select DMA_ENGINE
437 help
438 Support for ST-Ericsson DMA40 controller
439
440 config STM32_DMA
441 bool "STMicroelectronics STM32 DMA support"
442 depends on ARCH_STM32
443 select DMA_ENGINE
444 select DMA_OF
445 select DMA_VIRTUAL_CHANNELS
446 help
447 Enable support for the on-chip DMA controller on STMicroelectronics
448 STM32 MCUs.
449 If you have a board based on such a MCU and wish to use DMA say Y or M
450 here.
451
452 config S3C24XX_DMAC
453 bool "Samsung S3C24XX DMA support"
454 depends on ARCH_S3C24XX
455 select DMA_ENGINE
456 select DMA_VIRTUAL_CHANNELS
457 help
458 Support for the Samsung S3C24XX DMA controller driver. The
459 DMA controller is having multiple DMA channels which can be
460 configured for different peripherals like audio, UART, SPI.
461 The DMA controller can transfer data from memory to peripheral,
462 periphal to memory, periphal to periphal and memory to memory.
463
464 config TXX9_DMAC
465 tristate "Toshiba TXx9 SoC DMA support"
466 depends on MACH_TX49XX || MACH_TX39XX
467 select DMA_ENGINE
468 help
469 Support the TXx9 SoC internal DMA controller. This can be
470 integrated in chips such as the Toshiba TX4927/38/39.
471
472 config TEGRA20_APB_DMA
473 bool "NVIDIA Tegra20 APB DMA support"
474 depends on ARCH_TEGRA
475 select DMA_ENGINE
476 help
477 Support for the NVIDIA Tegra20 APB DMA controller driver. The
478 DMA controller is having multiple DMA channel which can be
479 configured for different peripherals like audio, UART, SPI,
480 I2C etc which is in APB bus.
481 This DMA controller transfers data from memory to peripheral fifo
482 or vice versa. It does not support memory to memory data transfer.
483
484 config TEGRA210_ADMA
485 bool "NVIDIA Tegra210 ADMA support"
486 depends on ARCH_TEGRA_210_SOC
487 select DMA_ENGINE
488 select DMA_VIRTUAL_CHANNELS
489 select PM_CLK
490 help
491 Support for the NVIDIA Tegra210 ADMA controller driver. The
492 DMA controller has multiple DMA channels and is used to service
493 various audio clients in the Tegra210 audio processing engine
494 (APE). This DMA controller transfers data from memory to
495 peripheral and vice versa. It does not support memory to
496 memory data transfer.
497
498 config TIMB_DMA
499 tristate "Timberdale FPGA DMA support"
500 depends on MFD_TIMBERDALE
501 select DMA_ENGINE
502 help
503 Enable support for the Timberdale FPGA DMA engine.
504
505 config TI_CPPI41
506 tristate "AM33xx CPPI41 DMA support"
507 depends on ARCH_OMAP
508 select DMA_ENGINE
509 help
510 The Communications Port Programming Interface (CPPI) 4.1 DMA engine
511 is currently used by the USB driver on AM335x platforms.
512
513 config TI_DMA_CROSSBAR
514 bool
515
516 config TI_EDMA
517 bool "TI EDMA support"
518 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE
519 select DMA_ENGINE
520 select DMA_VIRTUAL_CHANNELS
521 select TI_DMA_CROSSBAR if ARCH_OMAP
522 default n
523 help
524 Enable support for the TI EDMA controller. This DMA
525 engine is found on TI DaVinci and AM33xx parts.
526
527 config XGENE_DMA
528 tristate "APM X-Gene DMA support"
529 depends on ARCH_XGENE || COMPILE_TEST
530 select DMA_ENGINE
531 select DMA_ENGINE_RAID
532 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
533 help
534 Enable support for the APM X-Gene SoC DMA engine.
535
536 config XILINX_DMA
537 tristate "Xilinx AXI DMAS Engine"
538 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
539 select DMA_ENGINE
540 help
541 Enable support for Xilinx AXI VDMA Soft IP.
542
543 AXI VDMA engine provides high-bandwidth direct memory access
544 between memory and AXI4-Stream video type target
545 peripherals including peripherals which support AXI4-
546 Stream Video Protocol. It has two stream interfaces/
547 channels, Memory Mapped to Stream (MM2S) and Stream to
548 Memory Mapped (S2MM) for the data transfers.
549 AXI CDMA engine provides high-bandwidth direct memory access
550 between a memory-mapped source address and a memory-mapped
551 destination address.
552 AXI DMA engine provides high-bandwidth one dimensional direct
553 memory access between memory and AXI4-Stream target peripherals.
554
555 config XILINX_ZYNQMP_DMA
556 tristate "Xilinx ZynqMP DMA Engine"
557 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
558 select DMA_ENGINE
559 help
560 Enable support for Xilinx ZynqMP DMA controller.
561
562 config ZX_DMA
563 tristate "ZTE ZX296702 DMA support"
564 depends on ARCH_ZX
565 select DMA_ENGINE
566 select DMA_VIRTUAL_CHANNELS
567 help
568 Support the DMA engine for ZTE ZX296702 platform devices.
569
570
571 # driver files
572 source "drivers/dma/bestcomm/Kconfig"
573
574 source "drivers/dma/qcom/Kconfig"
575
576 source "drivers/dma/dw/Kconfig"
577
578 source "drivers/dma/hsu/Kconfig"
579
580 source "drivers/dma/sh/Kconfig"
581
582 # clients
583 comment "DMA Clients"
584 depends on DMA_ENGINE
585
586 config ASYNC_TX_DMA
587 bool "Async_tx: Offload support for the async_tx api"
588 depends on DMA_ENGINE
589 help
590 This allows the async_tx api to take advantage of offload engines for
591 memcpy, memset, xor, and raid6 p+q operations. If your platform has
592 a dma engine that can perform raid operations and you have enabled
593 MD_RAID456 say Y.
594
595 If unsure, say N.
596
597 config DMATEST
598 tristate "DMA Test client"
599 depends on DMA_ENGINE
600 help
601 Simple DMA test client. Say N unless you're debugging a
602 DMA Device driver.
603
604 config DMA_ENGINE_RAID
605 bool
606
607 endif
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