xref: /openbmc/linux/drivers/dma/Kconfig (revision 0a04480d)
1# SPDX-License-Identifier: GPL-2.0-only
2#
3# DMA engine configuration
4#
5
6menuconfig DMADEVICES
7	bool "DMA Engine support"
8	depends on HAS_DMA
9	help
10	  DMA engines can do asynchronous data transfers without
11	  involving the host CPU.  Currently, this framework can be
12	  used to offload memory copies in the network stack and
13	  RAID operations in the MD driver.  This menu only presents
14	  DMA Device drivers supported by the configured arch, it may
15	  be empty in some cases.
16
17config DMADEVICES_DEBUG
18        bool "DMA Engine debugging"
19        depends on DMADEVICES != n
20        help
21          This is an option for use by developers; most people should
22          say N here.  This enables DMA engine core and driver debugging.
23
24config DMADEVICES_VDEBUG
25        bool "DMA Engine verbose debugging"
26        depends on DMADEVICES_DEBUG != n
27        help
28          This is an option for use by developers; most people should
29          say N here.  This enables deeper (more verbose) debugging of
30          the DMA engine core and drivers.
31
32
33if DMADEVICES
34
35comment "DMA Devices"
36
37#core
38config ASYNC_TX_ENABLE_CHANNEL_SWITCH
39	bool
40
41config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
42	bool
43
44config DMA_ENGINE
45	bool
46
47config DMA_VIRTUAL_CHANNELS
48	tristate
49
50config DMA_ACPI
51	def_bool y
52	depends on ACPI
53
54config DMA_OF
55	def_bool y
56	depends on OF
57	select DMA_ENGINE
58
59#devices
60config ALTERA_MSGDMA
61	tristate "Altera / Intel mSGDMA Engine"
62	select DMA_ENGINE
63	help
64	  Enable support for Altera / Intel mSGDMA controller.
65
66config AMBA_PL08X
67	bool "ARM PrimeCell PL080 or PL081 support"
68	depends on ARM_AMBA
69	select DMA_ENGINE
70	select DMA_VIRTUAL_CHANNELS
71	help
72	  Say yes if your platform has a PL08x DMAC device which can
73	  provide DMA engine support. This includes the original ARM
74	  PL080 and PL081, Samsungs PL080 derivative and Faraday
75	  Technology's FTDMAC020 PL080 derivative.
76
77config AMCC_PPC440SPE_ADMA
78	tristate "AMCC PPC440SPe ADMA support"
79	depends on 440SPe || 440SP
80	select DMA_ENGINE
81	select DMA_ENGINE_RAID
82	select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
83	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
84	help
85	  Enable support for the AMCC PPC440SPe RAID engines.
86
87config AT_HDMAC
88	tristate "Atmel AHB DMA support"
89	depends on ARCH_AT91
90	select DMA_ENGINE
91	help
92	  Support the Atmel AHB DMA controller.
93
94config AT_XDMAC
95	tristate "Atmel XDMA support"
96	depends on ARCH_AT91
97	select DMA_ENGINE
98	help
99	  Support the Atmel XDMA controller.
100
101config AXI_DMAC
102	tristate "Analog Devices AXI-DMAC DMA support"
103	depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_SOCFPGA || COMPILE_TEST
104	select DMA_ENGINE
105	select DMA_VIRTUAL_CHANNELS
106	select REGMAP_MMIO
107	help
108	  Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
109	  controller is often used in Analog Device's reference designs for FPGA
110	  platforms.
111
112config BCM_SBA_RAID
113	tristate "Broadcom SBA RAID engine support"
114	depends on ARM64 || COMPILE_TEST
115	depends on MAILBOX && RAID6_PQ
116	select DMA_ENGINE
117	select DMA_ENGINE_RAID
118	select ASYNC_TX_DISABLE_XOR_VAL_DMA
119	select ASYNC_TX_DISABLE_PQ_VAL_DMA
120	default m if ARCH_BCM_IPROC
121	help
122	  Enable support for Broadcom SBA RAID Engine. The SBA RAID
123	  engine is available on most of the Broadcom iProc SoCs. It
124	  has the capability to offload memcpy, xor and pq computation
125	  for raid5/6.
126
127config COH901318
128	bool "ST-Ericsson COH901318 DMA support"
129	select DMA_ENGINE
130	depends on ARCH_U300 || COMPILE_TEST
131	help
132	  Enable support for ST-Ericsson COH 901 318 DMA.
133
134config DMA_BCM2835
135	tristate "BCM2835 DMA engine support"
136	depends on ARCH_BCM2835
137	select DMA_ENGINE
138	select DMA_VIRTUAL_CHANNELS
139
140config DMA_JZ4780
141	tristate "JZ4780 DMA support"
142	depends on MIPS || COMPILE_TEST
143	select DMA_ENGINE
144	select DMA_VIRTUAL_CHANNELS
145	help
146	  This selects support for the DMA controller in Ingenic JZ4780 SoCs.
147	  If you have a board based on such a SoC and wish to use DMA for
148	  devices which can use the DMA controller, say Y or M here.
149
150config DMA_SA11X0
151	tristate "SA-11x0 DMA support"
152	depends on ARCH_SA1100 || COMPILE_TEST
153	select DMA_ENGINE
154	select DMA_VIRTUAL_CHANNELS
155	help
156	  Support the DMA engine found on Intel StrongARM SA-1100 and
157	  SA-1110 SoCs.  This DMA engine can only be used with on-chip
158	  devices.
159
160config DMA_SUN4I
161	tristate "Allwinner A10 DMA SoCs support"
162	depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
163	default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
164	select DMA_ENGINE
165	select DMA_VIRTUAL_CHANNELS
166	help
167	  Enable support for the DMA controller present in the sun4i,
168	  sun5i and sun7i Allwinner ARM SoCs.
169
170config DMA_SUN6I
171	tristate "Allwinner A31 SoCs DMA support"
172	depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
173	depends on RESET_CONTROLLER
174	select DMA_ENGINE
175	select DMA_VIRTUAL_CHANNELS
176	help
177	  Support for the DMA engine first found in Allwinner A31 SoCs.
178
179config DW_AXI_DMAC
180	tristate "Synopsys DesignWare AXI DMA support"
181	depends on OF || COMPILE_TEST
182	select DMA_ENGINE
183	select DMA_VIRTUAL_CHANNELS
184	help
185	  Enable support for Synopsys DesignWare AXI DMA controller.
186	  NOTE: This driver wasn't tested on 64 bit platform because
187	  of lack 64 bit platform with Synopsys DW AXI DMAC.
188
189config EP93XX_DMA
190	bool "Cirrus Logic EP93xx DMA support"
191	depends on ARCH_EP93XX || COMPILE_TEST
192	select DMA_ENGINE
193	help
194	  Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
195
196config FSL_DMA
197	tristate "Freescale Elo series DMA support"
198	depends on FSL_SOC
199	select DMA_ENGINE
200	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
201	---help---
202	  Enable support for the Freescale Elo series DMA controllers.
203	  The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
204	  EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
205	  some Txxx and Bxxx parts.
206
207config FSL_EDMA
208	tristate "Freescale eDMA engine support"
209	depends on OF
210	select DMA_ENGINE
211	select DMA_VIRTUAL_CHANNELS
212	help
213	  Support the Freescale eDMA engine with programmable channel
214	  multiplexing capability for DMA request sources(slot).
215	  This module can be found on Freescale Vybrid and LS-1 SoCs.
216
217config FSL_QDMA
218       tristate "NXP Layerscape qDMA engine support"
219       depends on ARM || ARM64
220       select DMA_ENGINE
221       select DMA_VIRTUAL_CHANNELS
222       select DMA_ENGINE_RAID
223       select ASYNC_TX_ENABLE_CHANNEL_SWITCH
224       help
225         Support the NXP Layerscape qDMA engine with command queue and legacy mode.
226         Channel virtualization is supported through enqueuing of DMA jobs to,
227         or dequeuing DMA jobs from, different work queues.
228         This module can be found on NXP Layerscape SoCs.
229	  The qdma driver only work on  SoCs with a DPAA hardware block.
230
231config FSL_RAID
232        tristate "Freescale RAID engine Support"
233        depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
234        select DMA_ENGINE
235        select DMA_ENGINE_RAID
236        ---help---
237          Enable support for Freescale RAID Engine. RAID Engine is
238          available on some QorIQ SoCs (like P5020/P5040). It has
239          the capability to offload memcpy, xor and pq computation
240	  for raid5/6.
241
242config IMG_MDC_DMA
243	tristate "IMG MDC support"
244	depends on MIPS || COMPILE_TEST
245	depends on MFD_SYSCON
246	select DMA_ENGINE
247	select DMA_VIRTUAL_CHANNELS
248	help
249	  Enable support for the IMG multi-threaded DMA controller (MDC).
250
251config IMX_DMA
252	tristate "i.MX DMA support"
253	depends on ARCH_MXC
254	select DMA_ENGINE
255	help
256	  Support the i.MX DMA engine. This engine is integrated into
257	  Freescale i.MX1/21/27 chips.
258
259config IMX_SDMA
260	tristate "i.MX SDMA support"
261	depends on ARCH_MXC
262	select DMA_ENGINE
263	select DMA_VIRTUAL_CHANNELS
264	help
265	  Support the i.MX SDMA engine. This engine is integrated into
266	  Freescale i.MX25/31/35/51/53/6 chips.
267
268config INTEL_IDMA64
269	tristate "Intel integrated DMA 64-bit support"
270	select DMA_ENGINE
271	select DMA_VIRTUAL_CHANNELS
272	help
273	  Enable DMA support for Intel Low Power Subsystem such as found on
274	  Intel Skylake PCH.
275
276config INTEL_IOATDMA
277	tristate "Intel I/OAT DMA support"
278	depends on PCI && X86_64
279	select DMA_ENGINE
280	select DMA_ENGINE_RAID
281	select DCA
282	help
283	  Enable support for the Intel(R) I/OAT DMA engine present
284	  in recent Intel Xeon chipsets.
285
286	  Say Y here if you have such a chipset.
287
288	  If unsure, say N.
289
290config INTEL_IOP_ADMA
291	tristate "Intel IOP32x ADMA support"
292	depends on ARCH_IOP32X || COMPILE_TEST
293	select DMA_ENGINE
294	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
295	help
296	  Enable support for the Intel(R) IOP Series RAID engines.
297
298config INTEL_MIC_X100_DMA
299	tristate "Intel MIC X100 DMA Driver"
300	depends on 64BIT && X86 && INTEL_MIC_BUS
301	select DMA_ENGINE
302	help
303	  This enables DMA support for the Intel Many Integrated Core
304	  (MIC) family of PCIe form factor coprocessor X100 devices that
305	  run a 64 bit Linux OS. This driver will be used by both MIC
306	  host and card drivers.
307
308	  If you are building host kernel with a MIC device or a card
309	  kernel for a MIC device, then say M (recommended) or Y, else
310	  say N. If unsure say N.
311
312	  More information about the Intel MIC family as well as the Linux
313	  OS and tools for MIC to use with this driver are available from
314	  <http://software.intel.com/en-us/mic-developer>.
315
316config K3_DMA
317	tristate "Hisilicon K3 DMA support"
318	depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
319	select DMA_ENGINE
320	select DMA_VIRTUAL_CHANNELS
321	help
322	  Support the DMA engine for Hisilicon K3 platform
323	  devices.
324
325config LPC18XX_DMAMUX
326	bool "NXP LPC18xx/43xx DMA MUX for PL080"
327	depends on ARCH_LPC18XX || COMPILE_TEST
328	depends on OF && AMBA_PL08X
329	select MFD_SYSCON
330	help
331	  Enable support for DMA on NXP LPC18xx/43xx platforms
332	  with PL080 and multiplexed DMA request lines.
333
334config MCF_EDMA
335	tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
336	depends on M5441x || COMPILE_TEST
337	select DMA_ENGINE
338	select DMA_VIRTUAL_CHANNELS
339	help
340	  Support the Freescale ColdFire eDMA engine, 64-channel
341	  implementation that performs complex data transfers with
342	  minimal intervention from a host processor.
343	  This module can be found on Freescale ColdFire mcf5441x SoCs.
344
345config MMP_PDMA
346	bool "MMP PDMA support"
347	depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
348	select DMA_ENGINE
349	help
350	  Support the MMP PDMA engine for PXA and MMP platform.
351
352config MMP_TDMA
353	bool "MMP Two-Channel DMA support"
354	depends on ARCH_MMP || COMPILE_TEST
355	select DMA_ENGINE
356	select MMP_SRAM if ARCH_MMP
357	select GENERIC_ALLOCATOR
358	help
359	  Support the MMP Two-Channel DMA engine.
360	  This engine used for MMP Audio DMA and pxa910 SQU.
361	  It needs sram driver under mach-mmp.
362
363config MOXART_DMA
364	tristate "MOXART DMA support"
365	depends on ARCH_MOXART
366	select DMA_ENGINE
367	select DMA_VIRTUAL_CHANNELS
368	help
369	  Enable support for the MOXA ART SoC DMA controller.
370
371	  Say Y here if you enabled MMP ADMA, otherwise say N.
372
373config MPC512X_DMA
374	tristate "Freescale MPC512x built-in DMA engine support"
375	depends on PPC_MPC512x || PPC_MPC831x
376	select DMA_ENGINE
377	---help---
378	  Enable support for the Freescale MPC512x built-in DMA engine.
379
380config MV_XOR
381	bool "Marvell XOR engine support"
382	depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
383	select DMA_ENGINE
384	select DMA_ENGINE_RAID
385	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
386	---help---
387	  Enable support for the Marvell XOR engine.
388
389config MV_XOR_V2
390	bool "Marvell XOR engine version 2 support "
391	depends on ARM64
392	select DMA_ENGINE
393	select DMA_ENGINE_RAID
394	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
395	select GENERIC_MSI_IRQ_DOMAIN
396	---help---
397	  Enable support for the Marvell version 2 XOR engine.
398
399	  This engine provides acceleration for copy, XOR and RAID6
400	  operations, and is available on Marvell Armada 7K and 8K
401	  platforms.
402
403config MXS_DMA
404	bool "MXS DMA support"
405	depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
406	select STMP_DEVICE
407	select DMA_ENGINE
408	help
409	  Support the MXS DMA engine. This engine including APBH-DMA
410	  and APBX-DMA is integrated into some Freescale chips.
411
412config MX3_IPU
413	bool "MX3x Image Processing Unit support"
414	depends on ARCH_MXC
415	select DMA_ENGINE
416	default y
417	help
418	  If you plan to use the Image Processing unit in the i.MX3x, say
419	  Y here. If unsure, select Y.
420
421config MX3_IPU_IRQS
422	int "Number of dynamically mapped interrupts for IPU"
423	depends on MX3_IPU
424	range 2 137
425	default 4
426	help
427	  Out of 137 interrupt sources on i.MX31 IPU only very few are used.
428	  To avoid bloating the irq_desc[] array we allocate a sufficient
429	  number of IRQ slots and map them dynamically to specific sources.
430
431config NBPFAXI_DMA
432	tristate "Renesas Type-AXI NBPF DMA support"
433	select DMA_ENGINE
434	depends on ARM || COMPILE_TEST
435	help
436	  Support for "Type-AXI" NBPF DMA IPs from Renesas
437
438config OWL_DMA
439	tristate "Actions Semi Owl SoCs DMA support"
440	depends on ARCH_ACTIONS
441	select DMA_ENGINE
442	select DMA_VIRTUAL_CHANNELS
443	help
444	  Enable support for the Actions Semi Owl SoCs DMA controller.
445
446config PCH_DMA
447	tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
448	depends on PCI && (X86_32 || COMPILE_TEST)
449	select DMA_ENGINE
450	help
451	  Enable support for Intel EG20T PCH DMA engine.
452
453	  This driver also can be used for LAPIS Semiconductor IOH(Input/
454	  Output Hub), ML7213, ML7223 and ML7831.
455	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
456	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
457	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
458	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
459
460config PL330_DMA
461	tristate "DMA API Driver for PL330"
462	select DMA_ENGINE
463	depends on ARM_AMBA
464	help
465	  Select if your platform has one or more PL330 DMACs.
466	  You need to provide platform specific settings via
467	  platform_data for a dma-pl330 device.
468
469config PXA_DMA
470	bool "PXA DMA support"
471	depends on (ARCH_MMP || ARCH_PXA)
472	select DMA_ENGINE
473	select DMA_VIRTUAL_CHANNELS
474	help
475	  Support the DMA engine for PXA. It is also compatible with MMP PDMA
476	  platform. The internal DMA IP of all PXA variants is supported, with
477	  16 to 32 channels for peripheral to memory or memory to memory
478	  transfers.
479
480config SIRF_DMA
481	tristate "CSR SiRFprimaII/SiRFmarco DMA support"
482	depends on ARCH_SIRF
483	select DMA_ENGINE
484	help
485	  Enable support for the CSR SiRFprimaII DMA engine.
486
487config STE_DMA40
488	bool "ST-Ericsson DMA40 support"
489	depends on ARCH_U8500
490	select DMA_ENGINE
491	help
492	  Support for ST-Ericsson DMA40 controller
493
494config ST_FDMA
495	tristate "ST FDMA dmaengine support"
496	depends on ARCH_STI
497	depends on REMOTEPROC
498	select ST_SLIM_REMOTEPROC
499	select DMA_ENGINE
500	select DMA_VIRTUAL_CHANNELS
501	help
502	  Enable support for ST FDMA controller.
503	  It supports 16 independent DMA channels, accepts up to 32 DMA requests
504
505	  Say Y here if you have such a chipset.
506	  If unsure, say N.
507
508config STM32_DMA
509	bool "STMicroelectronics STM32 DMA support"
510	depends on ARCH_STM32 || COMPILE_TEST
511	select DMA_ENGINE
512	select DMA_VIRTUAL_CHANNELS
513	help
514	  Enable support for the on-chip DMA controller on STMicroelectronics
515	  STM32 MCUs.
516	  If you have a board based on such a MCU and wish to use DMA say Y
517	  here.
518
519config STM32_DMAMUX
520	bool "STMicroelectronics STM32 dma multiplexer support"
521	depends on STM32_DMA || COMPILE_TEST
522	help
523	  Enable support for the on-chip DMA multiplexer on STMicroelectronics
524	  STM32 MCUs.
525	  If you have a board based on such a MCU and wish to use DMAMUX say Y
526	  here.
527
528config STM32_MDMA
529	bool "STMicroelectronics STM32 master dma support"
530	depends on ARCH_STM32 || COMPILE_TEST
531	depends on OF
532	select DMA_ENGINE
533	select DMA_VIRTUAL_CHANNELS
534	help
535	  Enable support for the on-chip MDMA controller on STMicroelectronics
536	  STM32 platforms.
537	  If you have a board based on STM32 SoC and wish to use the master DMA
538	  say Y here.
539
540config SPRD_DMA
541	tristate "Spreadtrum DMA support"
542	depends on ARCH_SPRD || COMPILE_TEST
543	select DMA_ENGINE
544	select DMA_VIRTUAL_CHANNELS
545	help
546	  Enable support for the on-chip DMA controller on Spreadtrum platform.
547
548config S3C24XX_DMAC
549	bool "Samsung S3C24XX DMA support"
550	depends on ARCH_S3C24XX || COMPILE_TEST
551	select DMA_ENGINE
552	select DMA_VIRTUAL_CHANNELS
553	help
554	  Support for the Samsung S3C24XX DMA controller driver. The
555	  DMA controller is having multiple DMA channels which can be
556	  configured for different peripherals like audio, UART, SPI.
557	  The DMA controller can transfer data from memory to peripheral,
558	  periphal to memory, periphal to periphal and memory to memory.
559
560config TXX9_DMAC
561	tristate "Toshiba TXx9 SoC DMA support"
562	depends on MACH_TX49XX || MACH_TX39XX
563	select DMA_ENGINE
564	help
565	  Support the TXx9 SoC internal DMA controller.  This can be
566	  integrated in chips such as the Toshiba TX4927/38/39.
567
568config TEGRA20_APB_DMA
569	bool "NVIDIA Tegra20 APB DMA support"
570	depends on ARCH_TEGRA
571	select DMA_ENGINE
572	help
573	  Support for the NVIDIA Tegra20 APB DMA controller driver. The
574	  DMA controller is having multiple DMA channel which can be
575	  configured for different peripherals like audio, UART, SPI,
576	  I2C etc which is in APB bus.
577	  This DMA controller transfers data from memory to peripheral fifo
578	  or vice versa. It does not support memory to memory data transfer.
579
580config TEGRA210_ADMA
581	tristate "NVIDIA Tegra210 ADMA support"
582	depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
583	select DMA_ENGINE
584	select DMA_VIRTUAL_CHANNELS
585	help
586	  Support for the NVIDIA Tegra210 ADMA controller driver. The
587	  DMA controller has multiple DMA channels and is used to service
588	  various audio clients in the Tegra210 audio processing engine
589	  (APE). This DMA controller transfers data from memory to
590	  peripheral and vice versa. It does not support memory to
591	  memory data transfer.
592
593config TIMB_DMA
594	tristate "Timberdale FPGA DMA support"
595	depends on MFD_TIMBERDALE || COMPILE_TEST
596	select DMA_ENGINE
597	help
598	  Enable support for the Timberdale FPGA DMA engine.
599
600config UNIPHIER_MDMAC
601	tristate "UniPhier MIO DMAC"
602	depends on ARCH_UNIPHIER || COMPILE_TEST
603	depends on OF
604	select DMA_ENGINE
605	select DMA_VIRTUAL_CHANNELS
606	help
607	  Enable support for the MIO DMAC (Media I/O DMA controller) on the
608	  UniPhier platform.  This DMA controller is used as the external
609	  DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
610
611config XGENE_DMA
612	tristate "APM X-Gene DMA support"
613	depends on ARCH_XGENE || COMPILE_TEST
614	select DMA_ENGINE
615	select DMA_ENGINE_RAID
616	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
617	help
618	  Enable support for the APM X-Gene SoC DMA engine.
619
620config XILINX_DMA
621	tristate "Xilinx AXI DMAS Engine"
622	depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
623	select DMA_ENGINE
624	help
625	  Enable support for Xilinx AXI VDMA Soft IP.
626
627	  AXI VDMA engine provides high-bandwidth direct memory access
628	  between memory and AXI4-Stream video type target
629	  peripherals including peripherals which support AXI4-
630	  Stream Video Protocol.  It has two stream interfaces/
631	  channels, Memory Mapped to Stream (MM2S) and Stream to
632	  Memory Mapped (S2MM) for the data transfers.
633	  AXI CDMA engine provides high-bandwidth direct memory access
634	  between a memory-mapped source address and a memory-mapped
635	  destination address.
636	  AXI DMA engine provides high-bandwidth one dimensional direct
637	  memory access between memory and AXI4-Stream target peripherals.
638
639config XILINX_ZYNQMP_DMA
640	tristate "Xilinx ZynqMP DMA Engine"
641	depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
642	select DMA_ENGINE
643	help
644	  Enable support for Xilinx ZynqMP DMA controller.
645
646config ZX_DMA
647	tristate "ZTE ZX DMA support"
648	depends on ARCH_ZX || COMPILE_TEST
649	select DMA_ENGINE
650	select DMA_VIRTUAL_CHANNELS
651	help
652	  Support the DMA engine for ZTE ZX family platform devices.
653
654
655# driver files
656source "drivers/dma/bestcomm/Kconfig"
657
658source "drivers/dma/mediatek/Kconfig"
659
660source "drivers/dma/qcom/Kconfig"
661
662source "drivers/dma/dw/Kconfig"
663
664source "drivers/dma/dw-edma/Kconfig"
665
666source "drivers/dma/hsu/Kconfig"
667
668source "drivers/dma/sh/Kconfig"
669
670source "drivers/dma/ti/Kconfig"
671
672# clients
673comment "DMA Clients"
674	depends on DMA_ENGINE
675
676config ASYNC_TX_DMA
677	bool "Async_tx: Offload support for the async_tx api"
678	depends on DMA_ENGINE
679	help
680	  This allows the async_tx api to take advantage of offload engines for
681	  memcpy, memset, xor, and raid6 p+q operations.  If your platform has
682	  a dma engine that can perform raid operations and you have enabled
683	  MD_RAID456 say Y.
684
685	  If unsure, say N.
686
687config DMATEST
688	tristate "DMA Test client"
689	depends on DMA_ENGINE
690	select DMA_ENGINE_RAID
691	help
692	  Simple DMA test client. Say N unless you're debugging a
693	  DMA Device driver.
694
695config DMA_ENGINE_RAID
696	bool
697
698endif
699