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 depends on HAS_IOMEM 63 select DMA_ENGINE 64 help 65 Enable support for Altera / Intel mSGDMA controller. 66 67config AMBA_PL08X 68 bool "ARM PrimeCell PL080 or PL081 support" 69 depends on ARM_AMBA 70 select DMA_ENGINE 71 select DMA_VIRTUAL_CHANNELS 72 help 73 Say yes if your platform has a PL08x DMAC device which can 74 provide DMA engine support. This includes the original ARM 75 PL080 and PL081, Samsungs PL080 derivative and Faraday 76 Technology's FTDMAC020 PL080 derivative. 77 78config AMCC_PPC440SPE_ADMA 79 tristate "AMCC PPC440SPe ADMA support" 80 depends on 440SPe || 440SP 81 select DMA_ENGINE 82 select DMA_ENGINE_RAID 83 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL 84 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 85 help 86 Enable support for the AMCC PPC440SPe RAID engines. 87 88config AT_HDMAC 89 tristate "Atmel AHB DMA support" 90 depends on ARCH_AT91 91 select DMA_ENGINE 92 help 93 Support the Atmel AHB DMA controller. 94 95config AT_XDMAC 96 tristate "Atmel XDMA support" 97 depends on ARCH_AT91 98 select DMA_ENGINE 99 help 100 Support the Atmel XDMA controller. 101 102config AXI_DMAC 103 tristate "Analog Devices AXI-DMAC DMA support" 104 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_SOCFPGA || COMPILE_TEST 105 select DMA_ENGINE 106 select DMA_VIRTUAL_CHANNELS 107 select REGMAP_MMIO 108 help 109 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA 110 controller is often used in Analog Device's reference designs for FPGA 111 platforms. 112 113config BCM_SBA_RAID 114 tristate "Broadcom SBA RAID engine support" 115 depends on ARM64 || COMPILE_TEST 116 depends on MAILBOX && RAID6_PQ 117 select DMA_ENGINE 118 select DMA_ENGINE_RAID 119 select ASYNC_TX_DISABLE_XOR_VAL_DMA 120 select ASYNC_TX_DISABLE_PQ_VAL_DMA 121 default m if ARCH_BCM_IPROC 122 help 123 Enable support for Broadcom SBA RAID Engine. The SBA RAID 124 engine is available on most of the Broadcom iProc SoCs. It 125 has the capability to offload memcpy, xor and pq computation 126 for raid5/6. 127 128config COH901318 129 bool "ST-Ericsson COH901318 DMA support" 130 select DMA_ENGINE 131 depends on ARCH_U300 || COMPILE_TEST 132 help 133 Enable support for ST-Ericsson COH 901 318 DMA. 134 135config DMA_BCM2835 136 tristate "BCM2835 DMA engine support" 137 depends on ARCH_BCM2835 138 select DMA_ENGINE 139 select DMA_VIRTUAL_CHANNELS 140 141config DMA_JZ4780 142 tristate "JZ4780 DMA support" 143 depends on MIPS || COMPILE_TEST 144 select DMA_ENGINE 145 select DMA_VIRTUAL_CHANNELS 146 help 147 This selects support for the DMA controller in Ingenic JZ4780 SoCs. 148 If you have a board based on such a SoC and wish to use DMA for 149 devices which can use the DMA controller, say Y or M here. 150 151config DMA_SA11X0 152 tristate "SA-11x0 DMA support" 153 depends on ARCH_SA1100 || COMPILE_TEST 154 select DMA_ENGINE 155 select DMA_VIRTUAL_CHANNELS 156 help 157 Support the DMA engine found on Intel StrongARM SA-1100 and 158 SA-1110 SoCs. This DMA engine can only be used with on-chip 159 devices. 160 161config DMA_SUN4I 162 tristate "Allwinner A10 DMA SoCs support" 163 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I 164 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I) 165 select DMA_ENGINE 166 select DMA_VIRTUAL_CHANNELS 167 help 168 Enable support for the DMA controller present in the sun4i, 169 sun5i and sun7i Allwinner ARM SoCs. 170 171config DMA_SUN6I 172 tristate "Allwinner A31 SoCs DMA support" 173 depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST 174 depends on RESET_CONTROLLER 175 select DMA_ENGINE 176 select DMA_VIRTUAL_CHANNELS 177 help 178 Support for the DMA engine first found in Allwinner A31 SoCs. 179 180config DW_AXI_DMAC 181 tristate "Synopsys DesignWare AXI DMA support" 182 depends on OF || COMPILE_TEST 183 select DMA_ENGINE 184 select DMA_VIRTUAL_CHANNELS 185 help 186 Enable support for Synopsys DesignWare AXI DMA controller. 187 NOTE: This driver wasn't tested on 64 bit platform because 188 of lack 64 bit platform with Synopsys DW AXI DMAC. 189 190config EP93XX_DMA 191 bool "Cirrus Logic EP93xx DMA support" 192 depends on ARCH_EP93XX || COMPILE_TEST 193 select DMA_ENGINE 194 help 195 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller. 196 197config FSL_DMA 198 tristate "Freescale Elo series DMA support" 199 depends on FSL_SOC 200 select DMA_ENGINE 201 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 202 ---help--- 203 Enable support for the Freescale Elo series DMA controllers. 204 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the 205 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on 206 some Txxx and Bxxx parts. 207 208config FSL_EDMA 209 tristate "Freescale eDMA engine support" 210 depends on OF 211 depends on HAS_IOMEM 212 select DMA_ENGINE 213 select DMA_VIRTUAL_CHANNELS 214 help 215 Support the Freescale eDMA engine with programmable channel 216 multiplexing capability for DMA request sources(slot). 217 This module can be found on Freescale Vybrid and LS-1 SoCs. 218 219config FSL_QDMA 220 tristate "NXP Layerscape qDMA engine support" 221 depends on ARM || ARM64 222 select DMA_ENGINE 223 select DMA_VIRTUAL_CHANNELS 224 select DMA_ENGINE_RAID 225 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 226 help 227 Support the NXP Layerscape qDMA engine with command queue and legacy mode. 228 Channel virtualization is supported through enqueuing of DMA jobs to, 229 or dequeuing DMA jobs from, different work queues. 230 This module can be found on NXP Layerscape SoCs. 231 The qdma driver only work on SoCs with a DPAA hardware block. 232 233config FSL_RAID 234 tristate "Freescale RAID engine Support" 235 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH 236 select DMA_ENGINE 237 select DMA_ENGINE_RAID 238 ---help--- 239 Enable support for Freescale RAID Engine. RAID Engine is 240 available on some QorIQ SoCs (like P5020/P5040). It has 241 the capability to offload memcpy, xor and pq computation 242 for raid5/6. 243 244config IMG_MDC_DMA 245 tristate "IMG MDC support" 246 depends on MIPS || COMPILE_TEST 247 depends on MFD_SYSCON 248 select DMA_ENGINE 249 select DMA_VIRTUAL_CHANNELS 250 help 251 Enable support for the IMG multi-threaded DMA controller (MDC). 252 253config IMX_DMA 254 tristate "i.MX DMA support" 255 depends on ARCH_MXC 256 select DMA_ENGINE 257 help 258 Support the i.MX DMA engine. This engine is integrated into 259 Freescale i.MX1/21/27 chips. 260 261config IMX_SDMA 262 tristate "i.MX SDMA support" 263 depends on ARCH_MXC 264 select DMA_ENGINE 265 select DMA_VIRTUAL_CHANNELS 266 help 267 Support the i.MX SDMA engine. This engine is integrated into 268 Freescale i.MX25/31/35/51/53/6 chips. 269 270config INTEL_IDMA64 271 tristate "Intel integrated DMA 64-bit support" 272 depends on HAS_IOMEM 273 select DMA_ENGINE 274 select DMA_VIRTUAL_CHANNELS 275 help 276 Enable DMA support for Intel Low Power Subsystem such as found on 277 Intel Skylake PCH. 278 279config INTEL_IOATDMA 280 tristate "Intel I/OAT DMA support" 281 depends on PCI && X86_64 && !UML 282 select DMA_ENGINE 283 select DMA_ENGINE_RAID 284 select DCA 285 help 286 Enable support for the Intel(R) I/OAT DMA engine present 287 in recent Intel Xeon chipsets. 288 289 Say Y here if you have such a chipset. 290 291 If unsure, say N. 292 293config INTEL_IOP_ADMA 294 tristate "Intel IOP32x ADMA support" 295 depends on ARCH_IOP32X || COMPILE_TEST 296 select DMA_ENGINE 297 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 298 help 299 Enable support for the Intel(R) IOP Series RAID engines. 300 301config INTEL_MIC_X100_DMA 302 tristate "Intel MIC X100 DMA Driver" 303 depends on 64BIT && X86 && INTEL_MIC_BUS 304 select DMA_ENGINE 305 help 306 This enables DMA support for the Intel Many Integrated Core 307 (MIC) family of PCIe form factor coprocessor X100 devices that 308 run a 64 bit Linux OS. This driver will be used by both MIC 309 host and card drivers. 310 311 If you are building host kernel with a MIC device or a card 312 kernel for a MIC device, then say M (recommended) or Y, else 313 say N. If unsure say N. 314 315 More information about the Intel MIC family as well as the Linux 316 OS and tools for MIC to use with this driver are available from 317 <http://software.intel.com/en-us/mic-developer>. 318 319config K3_DMA 320 tristate "Hisilicon K3 DMA support" 321 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST 322 select DMA_ENGINE 323 select DMA_VIRTUAL_CHANNELS 324 help 325 Support the DMA engine for Hisilicon K3 platform 326 devices. 327 328config LPC18XX_DMAMUX 329 bool "NXP LPC18xx/43xx DMA MUX for PL080" 330 depends on ARCH_LPC18XX || COMPILE_TEST 331 depends on OF && AMBA_PL08X 332 select MFD_SYSCON 333 help 334 Enable support for DMA on NXP LPC18xx/43xx platforms 335 with PL080 and multiplexed DMA request lines. 336 337config MCF_EDMA 338 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs" 339 depends on M5441x || COMPILE_TEST 340 select DMA_ENGINE 341 select DMA_VIRTUAL_CHANNELS 342 help 343 Support the Freescale ColdFire eDMA engine, 64-channel 344 implementation that performs complex data transfers with 345 minimal intervention from a host processor. 346 This module can be found on Freescale ColdFire mcf5441x SoCs. 347 348config MMP_PDMA 349 bool "MMP PDMA support" 350 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST 351 select DMA_ENGINE 352 help 353 Support the MMP PDMA engine for PXA and MMP platform. 354 355config MMP_TDMA 356 bool "MMP Two-Channel DMA support" 357 depends on ARCH_MMP || COMPILE_TEST 358 select DMA_ENGINE 359 select MMP_SRAM if ARCH_MMP 360 select GENERIC_ALLOCATOR 361 help 362 Support the MMP Two-Channel DMA engine. 363 This engine used for MMP Audio DMA and pxa910 SQU. 364 It needs sram driver under mach-mmp. 365 366config MOXART_DMA 367 tristate "MOXART DMA support" 368 depends on ARCH_MOXART 369 select DMA_ENGINE 370 select DMA_VIRTUAL_CHANNELS 371 help 372 Enable support for the MOXA ART SoC DMA controller. 373 374 Say Y here if you enabled MMP ADMA, otherwise say N. 375 376config MPC512X_DMA 377 tristate "Freescale MPC512x built-in DMA engine support" 378 depends on PPC_MPC512x || PPC_MPC831x 379 select DMA_ENGINE 380 ---help--- 381 Enable support for the Freescale MPC512x built-in DMA engine. 382 383config MV_XOR 384 bool "Marvell XOR engine support" 385 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 386 select DMA_ENGINE 387 select DMA_ENGINE_RAID 388 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 389 ---help--- 390 Enable support for the Marvell XOR engine. 391 392config MV_XOR_V2 393 bool "Marvell XOR engine version 2 support " 394 depends on ARM64 395 select DMA_ENGINE 396 select DMA_ENGINE_RAID 397 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 398 select GENERIC_MSI_IRQ_DOMAIN 399 ---help--- 400 Enable support for the Marvell version 2 XOR engine. 401 402 This engine provides acceleration for copy, XOR and RAID6 403 operations, and is available on Marvell Armada 7K and 8K 404 platforms. 405 406config MXS_DMA 407 bool "MXS DMA support" 408 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST 409 select STMP_DEVICE 410 select DMA_ENGINE 411 help 412 Support the MXS DMA engine. This engine including APBH-DMA 413 and APBX-DMA is integrated into some Freescale chips. 414 415config MX3_IPU 416 bool "MX3x Image Processing Unit support" 417 depends on ARCH_MXC 418 select DMA_ENGINE 419 default y 420 help 421 If you plan to use the Image Processing unit in the i.MX3x, say 422 Y here. If unsure, select Y. 423 424config MX3_IPU_IRQS 425 int "Number of dynamically mapped interrupts for IPU" 426 depends on MX3_IPU 427 range 2 137 428 default 4 429 help 430 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 431 To avoid bloating the irq_desc[] array we allocate a sufficient 432 number of IRQ slots and map them dynamically to specific sources. 433 434config NBPFAXI_DMA 435 tristate "Renesas Type-AXI NBPF DMA support" 436 select DMA_ENGINE 437 depends on ARM || COMPILE_TEST 438 help 439 Support for "Type-AXI" NBPF DMA IPs from Renesas 440 441config OWL_DMA 442 tristate "Actions Semi Owl SoCs DMA support" 443 depends on ARCH_ACTIONS 444 select DMA_ENGINE 445 select DMA_VIRTUAL_CHANNELS 446 help 447 Enable support for the Actions Semi Owl SoCs DMA controller. 448 449config PCH_DMA 450 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 451 depends on PCI && (X86_32 || COMPILE_TEST) 452 select DMA_ENGINE 453 help 454 Enable support for Intel EG20T PCH DMA engine. 455 456 This driver also can be used for LAPIS Semiconductor IOH(Input/ 457 Output Hub), ML7213, ML7223 and ML7831. 458 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 459 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 460 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 461 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 462 463config PL330_DMA 464 tristate "DMA API Driver for PL330" 465 select DMA_ENGINE 466 depends on ARM_AMBA 467 help 468 Select if your platform has one or more PL330 DMACs. 469 You need to provide platform specific settings via 470 platform_data for a dma-pl330 device. 471 472config PXA_DMA 473 bool "PXA DMA support" 474 depends on (ARCH_MMP || ARCH_PXA) 475 select DMA_ENGINE 476 select DMA_VIRTUAL_CHANNELS 477 help 478 Support the DMA engine for PXA. It is also compatible with MMP PDMA 479 platform. The internal DMA IP of all PXA variants is supported, with 480 16 to 32 channels for peripheral to memory or memory to memory 481 transfers. 482 483config SIRF_DMA 484 tristate "CSR SiRFprimaII/SiRFmarco DMA support" 485 depends on ARCH_SIRF 486 select DMA_ENGINE 487 help 488 Enable support for the CSR SiRFprimaII DMA engine. 489 490config STE_DMA40 491 bool "ST-Ericsson DMA40 support" 492 depends on ARCH_U8500 493 select DMA_ENGINE 494 help 495 Support for ST-Ericsson DMA40 controller 496 497config ST_FDMA 498 tristate "ST FDMA dmaengine support" 499 depends on ARCH_STI 500 depends on REMOTEPROC 501 select ST_SLIM_REMOTEPROC 502 select DMA_ENGINE 503 select DMA_VIRTUAL_CHANNELS 504 help 505 Enable support for ST FDMA controller. 506 It supports 16 independent DMA channels, accepts up to 32 DMA requests 507 508 Say Y here if you have such a chipset. 509 If unsure, say N. 510 511config STM32_DMA 512 bool "STMicroelectronics STM32 DMA support" 513 depends on ARCH_STM32 || COMPILE_TEST 514 select DMA_ENGINE 515 select DMA_VIRTUAL_CHANNELS 516 help 517 Enable support for the on-chip DMA controller on STMicroelectronics 518 STM32 MCUs. 519 If you have a board based on such a MCU and wish to use DMA say Y 520 here. 521 522config STM32_DMAMUX 523 bool "STMicroelectronics STM32 dma multiplexer support" 524 depends on STM32_DMA || COMPILE_TEST 525 help 526 Enable support for the on-chip DMA multiplexer on STMicroelectronics 527 STM32 MCUs. 528 If you have a board based on such a MCU and wish to use DMAMUX say Y 529 here. 530 531config STM32_MDMA 532 bool "STMicroelectronics STM32 master dma support" 533 depends on ARCH_STM32 || COMPILE_TEST 534 depends on OF 535 select DMA_ENGINE 536 select DMA_VIRTUAL_CHANNELS 537 help 538 Enable support for the on-chip MDMA controller on STMicroelectronics 539 STM32 platforms. 540 If you have a board based on STM32 SoC and wish to use the master DMA 541 say Y here. 542 543config SPRD_DMA 544 tristate "Spreadtrum DMA support" 545 depends on ARCH_SPRD || COMPILE_TEST 546 select DMA_ENGINE 547 select DMA_VIRTUAL_CHANNELS 548 help 549 Enable support for the on-chip DMA controller on Spreadtrum platform. 550 551config S3C24XX_DMAC 552 bool "Samsung S3C24XX DMA support" 553 depends on ARCH_S3C24XX || COMPILE_TEST 554 select DMA_ENGINE 555 select DMA_VIRTUAL_CHANNELS 556 help 557 Support for the Samsung S3C24XX DMA controller driver. The 558 DMA controller is having multiple DMA channels which can be 559 configured for different peripherals like audio, UART, SPI. 560 The DMA controller can transfer data from memory to peripheral, 561 periphal to memory, periphal to periphal and memory to memory. 562 563config TXX9_DMAC 564 tristate "Toshiba TXx9 SoC DMA support" 565 depends on MACH_TX49XX || MACH_TX39XX 566 select DMA_ENGINE 567 help 568 Support the TXx9 SoC internal DMA controller. This can be 569 integrated in chips such as the Toshiba TX4927/38/39. 570 571config TEGRA20_APB_DMA 572 bool "NVIDIA Tegra20 APB DMA support" 573 depends on ARCH_TEGRA 574 select DMA_ENGINE 575 help 576 Support for the NVIDIA Tegra20 APB DMA controller driver. The 577 DMA controller is having multiple DMA channel which can be 578 configured for different peripherals like audio, UART, SPI, 579 I2C etc which is in APB bus. 580 This DMA controller transfers data from memory to peripheral fifo 581 or vice versa. It does not support memory to memory data transfer. 582 583config TEGRA210_ADMA 584 tristate "NVIDIA Tegra210 ADMA support" 585 depends on (ARCH_TEGRA || COMPILE_TEST) 586 select DMA_ENGINE 587 select DMA_VIRTUAL_CHANNELS 588 help 589 Support for the NVIDIA Tegra210/Tegra186/Tegra194/Tegra234 ADMA 590 controller driver. The DMA controller has multiple DMA channels 591 and is used to service various audio clients in the Tegra210 592 audio processing engine (APE). This DMA controller transfers 593 data from memory to peripheral and vice versa. It does not 594 support memory to memory data transfer. 595 596config TIMB_DMA 597 tristate "Timberdale FPGA DMA support" 598 depends on MFD_TIMBERDALE || COMPILE_TEST 599 select DMA_ENGINE 600 help 601 Enable support for the Timberdale FPGA DMA engine. 602 603config UNIPHIER_MDMAC 604 tristate "UniPhier MIO DMAC" 605 depends on ARCH_UNIPHIER || COMPILE_TEST 606 depends on OF 607 select DMA_ENGINE 608 select DMA_VIRTUAL_CHANNELS 609 help 610 Enable support for the MIO DMAC (Media I/O DMA controller) on the 611 UniPhier platform. This DMA controller is used as the external 612 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs. 613 614config XGENE_DMA 615 tristate "APM X-Gene DMA support" 616 depends on ARCH_XGENE || COMPILE_TEST 617 select DMA_ENGINE 618 select DMA_ENGINE_RAID 619 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 620 help 621 Enable support for the APM X-Gene SoC DMA engine. 622 623config XILINX_DMA 624 tristate "Xilinx AXI DMAS Engine" 625 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 626 select DMA_ENGINE 627 help 628 Enable support for Xilinx AXI VDMA Soft IP. 629 630 AXI VDMA engine provides high-bandwidth direct memory access 631 between memory and AXI4-Stream video type target 632 peripherals including peripherals which support AXI4- 633 Stream Video Protocol. It has two stream interfaces/ 634 channels, Memory Mapped to Stream (MM2S) and Stream to 635 Memory Mapped (S2MM) for the data transfers. 636 AXI CDMA engine provides high-bandwidth direct memory access 637 between a memory-mapped source address and a memory-mapped 638 destination address. 639 AXI DMA engine provides high-bandwidth one dimensional direct 640 memory access between memory and AXI4-Stream target peripherals. 641 642config XILINX_ZYNQMP_DMA 643 tristate "Xilinx ZynqMP DMA Engine" 644 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 645 select DMA_ENGINE 646 help 647 Enable support for Xilinx ZynqMP DMA controller. 648 649config ZX_DMA 650 tristate "ZTE ZX DMA support" 651 depends on ARCH_ZX || COMPILE_TEST 652 select DMA_ENGINE 653 select DMA_VIRTUAL_CHANNELS 654 help 655 Support the DMA engine for ZTE ZX family platform devices. 656 657 658# driver files 659source "drivers/dma/bestcomm/Kconfig" 660 661source "drivers/dma/mediatek/Kconfig" 662 663source "drivers/dma/qcom/Kconfig" 664 665source "drivers/dma/dw/Kconfig" 666 667source "drivers/dma/dw-edma/Kconfig" 668 669source "drivers/dma/hsu/Kconfig" 670 671source "drivers/dma/sh/Kconfig" 672 673source "drivers/dma/ti/Kconfig" 674 675# clients 676comment "DMA Clients" 677 depends on DMA_ENGINE 678 679config ASYNC_TX_DMA 680 bool "Async_tx: Offload support for the async_tx api" 681 depends on DMA_ENGINE 682 help 683 This allows the async_tx api to take advantage of offload engines for 684 memcpy, memset, xor, and raid6 p+q operations. If your platform has 685 a dma engine that can perform raid operations and you have enabled 686 MD_RAID456 say Y. 687 688 If unsure, say N. 689 690config DMATEST 691 tristate "DMA Test client" 692 depends on DMA_ENGINE 693 select DMA_ENGINE_RAID 694 help 695 Simple DMA test client. Say N unless you're debugging a 696 DMA Device driver. 697 698config DMA_ENGINE_RAID 699 bool 700 701endif 702