xref: /openbmc/linux/drivers/dma/Kconfig (revision 74a22e8f)
1#
2# DMA engine configuration
3#
4
5menuconfig 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
16config 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
23config 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
32if DMADEVICES
33
34comment "DMA Devices"
35
36#core
37config ASYNC_TX_ENABLE_CHANNEL_SWITCH
38	bool
39
40config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
41	bool
42
43config DMA_ENGINE
44	bool
45
46config DMA_VIRTUAL_CHANNELS
47	tristate
48
49config DMA_ACPI
50	def_bool y
51	depends on ACPI
52
53config DMA_OF
54	def_bool y
55	depends on OF
56	select DMA_ENGINE
57
58#devices
59config ALTERA_MSGDMA
60	tristate "Altera / Intel mSGDMA Engine"
61	select DMA_ENGINE
62	help
63	  Enable support for Altera / Intel mSGDMA controller.
64
65config AMBA_PL08X
66	bool "ARM PrimeCell PL080 or PL081 support"
67	depends on ARM_AMBA
68	select DMA_ENGINE
69	select DMA_VIRTUAL_CHANNELS
70	help
71	  Say yes if your platform has a PL08x DMAC device which can
72	  provide DMA engine support. This includes the original ARM
73	  PL080 and PL081, Samsungs PL080 derivative and Faraday
74	  Technology's FTDMAC020 PL080 derivative.
75
76config AMCC_PPC440SPE_ADMA
77	tristate "AMCC PPC440SPe ADMA support"
78	depends on 440SPe || 440SP
79	select DMA_ENGINE
80	select DMA_ENGINE_RAID
81	select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
82	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
83	help
84	  Enable support for the AMCC PPC440SPe RAID engines.
85
86config AT_HDMAC
87	tristate "Atmel AHB DMA support"
88	depends on ARCH_AT91
89	select DMA_ENGINE
90	help
91	  Support the Atmel AHB DMA controller.
92
93config AT_XDMAC
94	tristate "Atmel XDMA support"
95	depends on ARCH_AT91
96	select DMA_ENGINE
97	help
98	  Support the Atmel XDMA controller.
99
100config AXI_DMAC
101	tristate "Analog Devices AXI-DMAC DMA support"
102	depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_SOCFPGA || COMPILE_TEST
103	select DMA_ENGINE
104	select DMA_VIRTUAL_CHANNELS
105	help
106	  Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
107	  controller is often used in Analog Device's reference designs for FPGA
108	  platforms.
109
110config BCM_SBA_RAID
111	tristate "Broadcom SBA RAID engine support"
112	depends on ARM64 || COMPILE_TEST
113	depends on MAILBOX && RAID6_PQ
114	select DMA_ENGINE
115	select DMA_ENGINE_RAID
116	select ASYNC_TX_DISABLE_XOR_VAL_DMA
117	select ASYNC_TX_DISABLE_PQ_VAL_DMA
118	default m if ARCH_BCM_IPROC
119	help
120	  Enable support for Broadcom SBA RAID Engine. The SBA RAID
121	  engine is available on most of the Broadcom iProc SoCs. It
122	  has the capability to offload memcpy, xor and pq computation
123	  for raid5/6.
124
125config COH901318
126	bool "ST-Ericsson COH901318 DMA support"
127	select DMA_ENGINE
128	depends on ARCH_U300 || COMPILE_TEST
129	help
130	  Enable support for ST-Ericsson COH 901 318 DMA.
131
132config DMA_BCM2835
133	tristate "BCM2835 DMA engine support"
134	depends on ARCH_BCM2835
135	select DMA_ENGINE
136	select DMA_VIRTUAL_CHANNELS
137
138config DMA_JZ4740
139	tristate "JZ4740 DMA support"
140	depends on MACH_JZ4740 || COMPILE_TEST
141	select DMA_ENGINE
142	select DMA_VIRTUAL_CHANNELS
143
144config DMA_JZ4780
145	tristate "JZ4780 DMA support"
146	depends on MIPS || COMPILE_TEST
147	select DMA_ENGINE
148	select DMA_VIRTUAL_CHANNELS
149	help
150	  This selects support for the DMA controller in Ingenic JZ4780 SoCs.
151	  If you have a board based on such a SoC and wish to use DMA for
152	  devices which can use the DMA controller, say Y or M here.
153
154config DMA_SA11X0
155	tristate "SA-11x0 DMA support"
156	depends on ARCH_SA1100 || COMPILE_TEST
157	select DMA_ENGINE
158	select DMA_VIRTUAL_CHANNELS
159	help
160	  Support the DMA engine found on Intel StrongARM SA-1100 and
161	  SA-1110 SoCs.  This DMA engine can only be used with on-chip
162	  devices.
163
164config DMA_SUN4I
165	tristate "Allwinner A10 DMA SoCs support"
166	depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
167	default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
168	select DMA_ENGINE
169	select DMA_VIRTUAL_CHANNELS
170	help
171	  Enable support for the DMA controller present in the sun4i,
172	  sun5i and sun7i Allwinner ARM SoCs.
173
174config DMA_SUN6I
175	tristate "Allwinner A31 SoCs DMA support"
176	depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
177	depends on RESET_CONTROLLER
178	select DMA_ENGINE
179	select DMA_VIRTUAL_CHANNELS
180	help
181	  Support for the DMA engine first found in Allwinner A31 SoCs.
182
183config DW_AXI_DMAC
184	tristate "Synopsys DesignWare AXI DMA support"
185	depends on OF || COMPILE_TEST
186	select DMA_ENGINE
187	select DMA_VIRTUAL_CHANNELS
188	help
189	  Enable support for Synopsys DesignWare AXI DMA controller.
190	  NOTE: This driver wasn't tested on 64 bit platform because
191	  of lack 64 bit platform with Synopsys DW AXI DMAC.
192
193config EP93XX_DMA
194	bool "Cirrus Logic EP93xx DMA support"
195	depends on ARCH_EP93XX || COMPILE_TEST
196	select DMA_ENGINE
197	help
198	  Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
199
200config FSL_DMA
201	tristate "Freescale Elo series DMA support"
202	depends on FSL_SOC
203	select DMA_ENGINE
204	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
205	---help---
206	  Enable support for the Freescale Elo series DMA controllers.
207	  The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
208	  EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
209	  some Txxx and Bxxx parts.
210
211config FSL_EDMA
212	tristate "Freescale eDMA engine support"
213	depends on OF
214	select DMA_ENGINE
215	select DMA_VIRTUAL_CHANNELS
216	help
217	  Support the Freescale eDMA engine with programmable channel
218	  multiplexing capability for DMA request sources(slot).
219	  This module can be found on Freescale Vybrid and LS-1 SoCs.
220
221config FSL_QDMA
222       tristate "NXP Layerscape qDMA engine support"
223       depends on ARM || ARM64
224       select DMA_ENGINE
225       select DMA_VIRTUAL_CHANNELS
226       select DMA_ENGINE_RAID
227       select ASYNC_TX_ENABLE_CHANNEL_SWITCH
228       help
229         Support the NXP Layerscape qDMA engine with command queue and legacy mode.
230         Channel virtualization is supported through enqueuing of DMA jobs to,
231         or dequeuing DMA jobs from, different work queues.
232         This module can be found on NXP Layerscape SoCs.
233	  The qdma driver only work on  SoCs with a DPAA hardware block.
234
235config FSL_RAID
236        tristate "Freescale RAID engine Support"
237        depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
238        select DMA_ENGINE
239        select DMA_ENGINE_RAID
240        ---help---
241          Enable support for Freescale RAID Engine. RAID Engine is
242          available on some QorIQ SoCs (like P5020/P5040). It has
243          the capability to offload memcpy, xor and pq computation
244	  for raid5/6.
245
246config IMG_MDC_DMA
247	tristate "IMG MDC support"
248	depends on MIPS || COMPILE_TEST
249	depends on MFD_SYSCON
250	select DMA_ENGINE
251	select DMA_VIRTUAL_CHANNELS
252	help
253	  Enable support for the IMG multi-threaded DMA controller (MDC).
254
255config IMX_DMA
256	tristate "i.MX DMA support"
257	depends on ARCH_MXC
258	select DMA_ENGINE
259	help
260	  Support the i.MX DMA engine. This engine is integrated into
261	  Freescale i.MX1/21/27 chips.
262
263config IMX_SDMA
264	tristate "i.MX SDMA support"
265	depends on ARCH_MXC
266	select DMA_ENGINE
267	select DMA_VIRTUAL_CHANNELS
268	help
269	  Support the i.MX SDMA engine. This engine is integrated into
270	  Freescale i.MX25/31/35/51/53/6 chips.
271
272config INTEL_IDMA64
273	tristate "Intel integrated DMA 64-bit support"
274	select DMA_ENGINE
275	select DMA_VIRTUAL_CHANNELS
276	help
277	  Enable DMA support for Intel Low Power Subsystem such as found on
278	  Intel Skylake PCH.
279
280config INTEL_IOATDMA
281	tristate "Intel I/OAT DMA support"
282	depends on PCI && X86_64
283	select DMA_ENGINE
284	select DMA_ENGINE_RAID
285	select DCA
286	help
287	  Enable support for the Intel(R) I/OAT DMA engine present
288	  in recent Intel Xeon chipsets.
289
290	  Say Y here if you have such a chipset.
291
292	  If unsure, say N.
293
294config INTEL_IOP_ADMA
295	tristate "Intel IOP ADMA support"
296	depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
297	select DMA_ENGINE
298	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
299	help
300	  Enable support for the Intel(R) IOP Series RAID engines.
301
302config INTEL_MIC_X100_DMA
303	tristate "Intel MIC X100 DMA Driver"
304	depends on 64BIT && X86 && INTEL_MIC_BUS
305	select DMA_ENGINE
306	help
307	  This enables DMA support for the Intel Many Integrated Core
308	  (MIC) family of PCIe form factor coprocessor X100 devices that
309	  run a 64 bit Linux OS. This driver will be used by both MIC
310	  host and card drivers.
311
312	  If you are building host kernel with a MIC device or a card
313	  kernel for a MIC device, then say M (recommended) or Y, else
314	  say N. If unsure say N.
315
316	  More information about the Intel MIC family as well as the Linux
317	  OS and tools for MIC to use with this driver are available from
318	  <http://software.intel.com/en-us/mic-developer>.
319
320config K3_DMA
321	tristate "Hisilicon K3 DMA support"
322	depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
323	select DMA_ENGINE
324	select DMA_VIRTUAL_CHANNELS
325	help
326	  Support the DMA engine for Hisilicon K3 platform
327	  devices.
328
329config LPC18XX_DMAMUX
330	bool "NXP LPC18xx/43xx DMA MUX for PL080"
331	depends on ARCH_LPC18XX || COMPILE_TEST
332	depends on OF && AMBA_PL08X
333	select MFD_SYSCON
334	help
335	  Enable support for DMA on NXP LPC18xx/43xx platforms
336	  with PL080 and multiplexed DMA request lines.
337
338config MCF_EDMA
339	tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
340	depends on M5441x || COMPILE_TEST
341	select DMA_ENGINE
342	select DMA_VIRTUAL_CHANNELS
343	help
344	  Support the Freescale ColdFire eDMA engine, 64-channel
345	  implementation that performs complex data transfers with
346	  minimal intervention from a host processor.
347	  This module can be found on Freescale ColdFire mcf5441x SoCs.
348
349config MMP_PDMA
350	bool "MMP PDMA support"
351	depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
352	select DMA_ENGINE
353	help
354	  Support the MMP PDMA engine for PXA and MMP platform.
355
356config MMP_TDMA
357	bool "MMP Two-Channel DMA support"
358	depends on ARCH_MMP || COMPILE_TEST
359	select DMA_ENGINE
360	select MMP_SRAM if ARCH_MMP
361	select GENERIC_ALLOCATOR
362	help
363	  Support the MMP Two-Channel DMA engine.
364	  This engine used for MMP Audio DMA and pxa910 SQU.
365	  It needs sram driver under mach-mmp.
366
367config MOXART_DMA
368	tristate "MOXART DMA support"
369	depends on ARCH_MOXART
370	select DMA_ENGINE
371	select DMA_VIRTUAL_CHANNELS
372	help
373	  Enable support for the MOXA ART SoC DMA controller.
374
375	  Say Y here if you enabled MMP ADMA, otherwise say N.
376
377config MPC512X_DMA
378	tristate "Freescale MPC512x built-in DMA engine support"
379	depends on PPC_MPC512x || PPC_MPC831x
380	select DMA_ENGINE
381	---help---
382	  Enable support for the Freescale MPC512x built-in DMA engine.
383
384config MV_XOR
385	bool "Marvell XOR engine support"
386	depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
387	select DMA_ENGINE
388	select DMA_ENGINE_RAID
389	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
390	---help---
391	  Enable support for the Marvell XOR engine.
392
393config MV_XOR_V2
394	bool "Marvell XOR engine version 2 support "
395	depends on ARM64
396	select DMA_ENGINE
397	select DMA_ENGINE_RAID
398	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
399	select GENERIC_MSI_IRQ_DOMAIN
400	---help---
401	  Enable support for the Marvell version 2 XOR engine.
402
403	  This engine provides acceleration for copy, XOR and RAID6
404	  operations, and is available on Marvell Armada 7K and 8K
405	  platforms.
406
407config MXS_DMA
408	bool "MXS DMA support"
409	depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
410	select STMP_DEVICE
411	select DMA_ENGINE
412	help
413	  Support the MXS DMA engine. This engine including APBH-DMA
414	  and APBX-DMA is integrated into some Freescale chips.
415
416config MX3_IPU
417	bool "MX3x Image Processing Unit support"
418	depends on ARCH_MXC
419	select DMA_ENGINE
420	default y
421	help
422	  If you plan to use the Image Processing unit in the i.MX3x, say
423	  Y here. If unsure, select Y.
424
425config MX3_IPU_IRQS
426	int "Number of dynamically mapped interrupts for IPU"
427	depends on MX3_IPU
428	range 2 137
429	default 4
430	help
431	  Out of 137 interrupt sources on i.MX31 IPU only very few are used.
432	  To avoid bloating the irq_desc[] array we allocate a sufficient
433	  number of IRQ slots and map them dynamically to specific sources.
434
435config NBPFAXI_DMA
436	tristate "Renesas Type-AXI NBPF DMA support"
437	select DMA_ENGINE
438	depends on ARM || COMPILE_TEST
439	help
440	  Support for "Type-AXI" NBPF DMA IPs from Renesas
441
442config OWL_DMA
443	tristate "Actions Semi Owl SoCs DMA support"
444	depends on ARCH_ACTIONS
445	select DMA_ENGINE
446	select DMA_VIRTUAL_CHANNELS
447	help
448	  Enable support for the Actions Semi Owl SoCs DMA controller.
449
450config PCH_DMA
451	tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
452	depends on PCI && (X86_32 || COMPILE_TEST)
453	select DMA_ENGINE
454	help
455	  Enable support for Intel EG20T PCH DMA engine.
456
457	  This driver also can be used for LAPIS Semiconductor IOH(Input/
458	  Output Hub), ML7213, ML7223 and ML7831.
459	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
460	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
461	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
462	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
463
464config PL330_DMA
465	tristate "DMA API Driver for PL330"
466	select DMA_ENGINE
467	depends on ARM_AMBA
468	help
469	  Select if your platform has one or more PL330 DMACs.
470	  You need to provide platform specific settings via
471	  platform_data for a dma-pl330 device.
472
473config PXA_DMA
474	bool "PXA DMA support"
475	depends on (ARCH_MMP || ARCH_PXA)
476	select DMA_ENGINE
477	select DMA_VIRTUAL_CHANNELS
478	help
479	  Support the DMA engine for PXA. It is also compatible with MMP PDMA
480	  platform. The internal DMA IP of all PXA variants is supported, with
481	  16 to 32 channels for peripheral to memory or memory to memory
482	  transfers.
483
484config SIRF_DMA
485	tristate "CSR SiRFprimaII/SiRFmarco DMA support"
486	depends on ARCH_SIRF
487	select DMA_ENGINE
488	help
489	  Enable support for the CSR SiRFprimaII DMA engine.
490
491config STE_DMA40
492	bool "ST-Ericsson DMA40 support"
493	depends on ARCH_U8500
494	select DMA_ENGINE
495	help
496	  Support for ST-Ericsson DMA40 controller
497
498config ST_FDMA
499	tristate "ST FDMA dmaengine support"
500	depends on ARCH_STI
501	depends on REMOTEPROC
502	select ST_SLIM_REMOTEPROC
503	select DMA_ENGINE
504	select DMA_VIRTUAL_CHANNELS
505	help
506	  Enable support for ST FDMA controller.
507	  It supports 16 independent DMA channels, accepts up to 32 DMA requests
508
509	  Say Y here if you have such a chipset.
510	  If unsure, say N.
511
512config STM32_DMA
513	bool "STMicroelectronics STM32 DMA support"
514	depends on ARCH_STM32 || COMPILE_TEST
515	select DMA_ENGINE
516	select DMA_VIRTUAL_CHANNELS
517	help
518	  Enable support for the on-chip DMA controller on STMicroelectronics
519	  STM32 MCUs.
520	  If you have a board based on such a MCU and wish to use DMA say Y
521	  here.
522
523config STM32_DMAMUX
524	bool "STMicroelectronics STM32 dma multiplexer support"
525	depends on STM32_DMA || COMPILE_TEST
526	help
527	  Enable support for the on-chip DMA multiplexer on STMicroelectronics
528	  STM32 MCUs.
529	  If you have a board based on such a MCU and wish to use DMAMUX say Y
530	  here.
531
532config STM32_MDMA
533	bool "STMicroelectronics STM32 master dma support"
534	depends on ARCH_STM32 || COMPILE_TEST
535	depends on OF
536	select DMA_ENGINE
537	select DMA_VIRTUAL_CHANNELS
538	help
539	  Enable support for the on-chip MDMA controller on STMicroelectronics
540	  STM32 platforms.
541	  If you have a board based on STM32 SoC and wish to use the master DMA
542	  say Y here.
543
544config SPRD_DMA
545	tristate "Spreadtrum DMA support"
546	depends on ARCH_SPRD || COMPILE_TEST
547	select DMA_ENGINE
548	select DMA_VIRTUAL_CHANNELS
549	help
550	  Enable support for the on-chip DMA controller on Spreadtrum platform.
551
552config S3C24XX_DMAC
553	bool "Samsung S3C24XX DMA support"
554	depends on ARCH_S3C24XX || COMPILE_TEST
555	select DMA_ENGINE
556	select DMA_VIRTUAL_CHANNELS
557	help
558	  Support for the Samsung S3C24XX DMA controller driver. The
559	  DMA controller is having multiple DMA channels which can be
560	  configured for different peripherals like audio, UART, SPI.
561	  The DMA controller can transfer data from memory to peripheral,
562	  periphal to memory, periphal to periphal and memory to memory.
563
564config TXX9_DMAC
565	tristate "Toshiba TXx9 SoC DMA support"
566	depends on MACH_TX49XX || MACH_TX39XX
567	select DMA_ENGINE
568	help
569	  Support the TXx9 SoC internal DMA controller.  This can be
570	  integrated in chips such as the Toshiba TX4927/38/39.
571
572config TEGRA20_APB_DMA
573	bool "NVIDIA Tegra20 APB DMA support"
574	depends on ARCH_TEGRA
575	select DMA_ENGINE
576	help
577	  Support for the NVIDIA Tegra20 APB DMA controller driver. The
578	  DMA controller is having multiple DMA channel which can be
579	  configured for different peripherals like audio, UART, SPI,
580	  I2C etc which is in APB bus.
581	  This DMA controller transfers data from memory to peripheral fifo
582	  or vice versa. It does not support memory to memory data transfer.
583
584config TEGRA210_ADMA
585	tristate "NVIDIA Tegra210 ADMA support"
586	depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) && PM_CLK
587	select DMA_ENGINE
588	select DMA_VIRTUAL_CHANNELS
589	help
590	  Support for the NVIDIA Tegra210 ADMA controller driver. The
591	  DMA controller has multiple DMA channels and is used to service
592	  various audio clients in the Tegra210 audio processing engine
593	  (APE). This DMA controller transfers data from memory to
594	  peripheral and vice versa. It does not support memory to
595	  memory data transfer.
596
597config TIMB_DMA
598	tristate "Timberdale FPGA DMA support"
599	depends on MFD_TIMBERDALE || COMPILE_TEST
600	select DMA_ENGINE
601	help
602	  Enable support for the Timberdale FPGA DMA engine.
603
604config UNIPHIER_MDMAC
605	tristate "UniPhier MIO DMAC"
606	depends on ARCH_UNIPHIER || COMPILE_TEST
607	depends on OF
608	select DMA_ENGINE
609	select DMA_VIRTUAL_CHANNELS
610	help
611	  Enable support for the MIO DMAC (Media I/O DMA controller) on the
612	  UniPhier platform.  This DMA controller is used as the external
613	  DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
614
615config XGENE_DMA
616	tristate "APM X-Gene DMA support"
617	depends on ARCH_XGENE || COMPILE_TEST
618	select DMA_ENGINE
619	select DMA_ENGINE_RAID
620	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
621	help
622	  Enable support for the APM X-Gene SoC DMA engine.
623
624config XILINX_DMA
625	tristate "Xilinx AXI DMAS Engine"
626	depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
627	select DMA_ENGINE
628	help
629	  Enable support for Xilinx AXI VDMA Soft IP.
630
631	  AXI VDMA engine provides high-bandwidth direct memory access
632	  between memory and AXI4-Stream video type target
633	  peripherals including peripherals which support AXI4-
634	  Stream Video Protocol.  It has two stream interfaces/
635	  channels, Memory Mapped to Stream (MM2S) and Stream to
636	  Memory Mapped (S2MM) for the data transfers.
637	  AXI CDMA engine provides high-bandwidth direct memory access
638	  between a memory-mapped source address and a memory-mapped
639	  destination address.
640	  AXI DMA engine provides high-bandwidth one dimensional direct
641	  memory access between memory and AXI4-Stream target peripherals.
642
643config XILINX_ZYNQMP_DMA
644	tristate "Xilinx ZynqMP DMA Engine"
645	depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
646	select DMA_ENGINE
647	help
648	  Enable support for Xilinx ZynqMP DMA controller.
649
650config ZX_DMA
651	tristate "ZTE ZX DMA support"
652	depends on ARCH_ZX || COMPILE_TEST
653	select DMA_ENGINE
654	select DMA_VIRTUAL_CHANNELS
655	help
656	  Support the DMA engine for ZTE ZX family platform devices.
657
658
659# driver files
660source "drivers/dma/bestcomm/Kconfig"
661
662source "drivers/dma/mediatek/Kconfig"
663
664source "drivers/dma/qcom/Kconfig"
665
666source "drivers/dma/dw/Kconfig"
667
668source "drivers/dma/hsu/Kconfig"
669
670source "drivers/dma/sh/Kconfig"
671
672source "drivers/dma/ti/Kconfig"
673
674# clients
675comment "DMA Clients"
676	depends on DMA_ENGINE
677
678config ASYNC_TX_DMA
679	bool "Async_tx: Offload support for the async_tx api"
680	depends on DMA_ENGINE
681	help
682	  This allows the async_tx api to take advantage of offload engines for
683	  memcpy, memset, xor, and raid6 p+q operations.  If your platform has
684	  a dma engine that can perform raid operations and you have enabled
685	  MD_RAID456 say Y.
686
687	  If unsure, say N.
688
689config DMATEST
690	tristate "DMA Test client"
691	depends on DMA_ENGINE
692	select DMA_ENGINE_RAID
693	help
694	  Simple DMA test client. Say N unless you're debugging a
695	  DMA Device driver.
696
697config DMA_ENGINE_RAID
698	bool
699
700endif
701