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_JZ4740 141 tristate "JZ4740 DMA support" 142 depends on MACH_JZ4740 || COMPILE_TEST 143 select DMA_ENGINE 144 select DMA_VIRTUAL_CHANNELS 145 146config DMA_JZ4780 147 tristate "JZ4780 DMA support" 148 depends on MIPS || COMPILE_TEST 149 select DMA_ENGINE 150 select DMA_VIRTUAL_CHANNELS 151 help 152 This selects support for the DMA controller in Ingenic JZ4780 SoCs. 153 If you have a board based on such a SoC and wish to use DMA for 154 devices which can use the DMA controller, say Y or M here. 155 156config DMA_SA11X0 157 tristate "SA-11x0 DMA support" 158 depends on ARCH_SA1100 || COMPILE_TEST 159 select DMA_ENGINE 160 select DMA_VIRTUAL_CHANNELS 161 help 162 Support the DMA engine found on Intel StrongARM SA-1100 and 163 SA-1110 SoCs. This DMA engine can only be used with on-chip 164 devices. 165 166config DMA_SUN4I 167 tristate "Allwinner A10 DMA SoCs support" 168 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I 169 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I) 170 select DMA_ENGINE 171 select DMA_VIRTUAL_CHANNELS 172 help 173 Enable support for the DMA controller present in the sun4i, 174 sun5i and sun7i Allwinner ARM SoCs. 175 176config DMA_SUN6I 177 tristate "Allwinner A31 SoCs DMA support" 178 depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST 179 depends on RESET_CONTROLLER 180 select DMA_ENGINE 181 select DMA_VIRTUAL_CHANNELS 182 help 183 Support for the DMA engine first found in Allwinner A31 SoCs. 184 185config DW_AXI_DMAC 186 tristate "Synopsys DesignWare AXI DMA support" 187 depends on OF || COMPILE_TEST 188 select DMA_ENGINE 189 select DMA_VIRTUAL_CHANNELS 190 help 191 Enable support for Synopsys DesignWare AXI DMA controller. 192 NOTE: This driver wasn't tested on 64 bit platform because 193 of lack 64 bit platform with Synopsys DW AXI DMAC. 194 195config EP93XX_DMA 196 bool "Cirrus Logic EP93xx DMA support" 197 depends on ARCH_EP93XX || COMPILE_TEST 198 select DMA_ENGINE 199 help 200 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller. 201 202config FSL_DMA 203 tristate "Freescale Elo series DMA support" 204 depends on FSL_SOC 205 select DMA_ENGINE 206 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 207 ---help--- 208 Enable support for the Freescale Elo series DMA controllers. 209 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the 210 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on 211 some Txxx and Bxxx parts. 212 213config FSL_EDMA 214 tristate "Freescale eDMA engine support" 215 depends on OF 216 select DMA_ENGINE 217 select DMA_VIRTUAL_CHANNELS 218 help 219 Support the Freescale eDMA engine with programmable channel 220 multiplexing capability for DMA request sources(slot). 221 This module can be found on Freescale Vybrid and LS-1 SoCs. 222 223config FSL_QDMA 224 tristate "NXP Layerscape qDMA engine support" 225 depends on ARM || ARM64 226 select DMA_ENGINE 227 select DMA_VIRTUAL_CHANNELS 228 select DMA_ENGINE_RAID 229 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 230 help 231 Support the NXP Layerscape qDMA engine with command queue and legacy mode. 232 Channel virtualization is supported through enqueuing of DMA jobs to, 233 or dequeuing DMA jobs from, different work queues. 234 This module can be found on NXP Layerscape SoCs. 235 The qdma driver only work on SoCs with a DPAA hardware block. 236 237config FSL_RAID 238 tristate "Freescale RAID engine Support" 239 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH 240 select DMA_ENGINE 241 select DMA_ENGINE_RAID 242 ---help--- 243 Enable support for Freescale RAID Engine. RAID Engine is 244 available on some QorIQ SoCs (like P5020/P5040). It has 245 the capability to offload memcpy, xor and pq computation 246 for raid5/6. 247 248config IMG_MDC_DMA 249 tristate "IMG MDC support" 250 depends on MIPS || COMPILE_TEST 251 depends on MFD_SYSCON 252 select DMA_ENGINE 253 select DMA_VIRTUAL_CHANNELS 254 help 255 Enable support for the IMG multi-threaded DMA controller (MDC). 256 257config IMX_DMA 258 tristate "i.MX DMA support" 259 depends on ARCH_MXC 260 select DMA_ENGINE 261 help 262 Support the i.MX DMA engine. This engine is integrated into 263 Freescale i.MX1/21/27 chips. 264 265config IMX_SDMA 266 tristate "i.MX SDMA support" 267 depends on ARCH_MXC 268 select DMA_ENGINE 269 select DMA_VIRTUAL_CHANNELS 270 help 271 Support the i.MX SDMA engine. This engine is integrated into 272 Freescale i.MX25/31/35/51/53/6 chips. 273 274config INTEL_IDMA64 275 tristate "Intel integrated DMA 64-bit support" 276 select DMA_ENGINE 277 select DMA_VIRTUAL_CHANNELS 278 help 279 Enable DMA support for Intel Low Power Subsystem such as found on 280 Intel Skylake PCH. 281 282config INTEL_IOATDMA 283 tristate "Intel I/OAT DMA support" 284 depends on PCI && X86_64 285 select DMA_ENGINE 286 select DMA_ENGINE_RAID 287 select DCA 288 help 289 Enable support for the Intel(R) I/OAT DMA engine present 290 in recent Intel Xeon chipsets. 291 292 Say Y here if you have such a chipset. 293 294 If unsure, say N. 295 296config INTEL_IOP_ADMA 297 tristate "Intel IOP ADMA support" 298 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX 299 select DMA_ENGINE 300 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 301 help 302 Enable support for the Intel(R) IOP Series RAID engines. 303 304config INTEL_MIC_X100_DMA 305 tristate "Intel MIC X100 DMA Driver" 306 depends on 64BIT && X86 && INTEL_MIC_BUS 307 select DMA_ENGINE 308 help 309 This enables DMA support for the Intel Many Integrated Core 310 (MIC) family of PCIe form factor coprocessor X100 devices that 311 run a 64 bit Linux OS. This driver will be used by both MIC 312 host and card drivers. 313 314 If you are building host kernel with a MIC device or a card 315 kernel for a MIC device, then say M (recommended) or Y, else 316 say N. If unsure say N. 317 318 More information about the Intel MIC family as well as the Linux 319 OS and tools for MIC to use with this driver are available from 320 <http://software.intel.com/en-us/mic-developer>. 321 322config K3_DMA 323 tristate "Hisilicon K3 DMA support" 324 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST 325 select DMA_ENGINE 326 select DMA_VIRTUAL_CHANNELS 327 help 328 Support the DMA engine for Hisilicon K3 platform 329 devices. 330 331config LPC18XX_DMAMUX 332 bool "NXP LPC18xx/43xx DMA MUX for PL080" 333 depends on ARCH_LPC18XX || COMPILE_TEST 334 depends on OF && AMBA_PL08X 335 select MFD_SYSCON 336 help 337 Enable support for DMA on NXP LPC18xx/43xx platforms 338 with PL080 and multiplexed DMA request lines. 339 340config MCF_EDMA 341 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs" 342 depends on M5441x || COMPILE_TEST 343 select DMA_ENGINE 344 select DMA_VIRTUAL_CHANNELS 345 help 346 Support the Freescale ColdFire eDMA engine, 64-channel 347 implementation that performs complex data transfers with 348 minimal intervention from a host processor. 349 This module can be found on Freescale ColdFire mcf5441x SoCs. 350 351config MMP_PDMA 352 bool "MMP PDMA support" 353 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST 354 select DMA_ENGINE 355 help 356 Support the MMP PDMA engine for PXA and MMP platform. 357 358config MMP_TDMA 359 bool "MMP Two-Channel DMA support" 360 depends on ARCH_MMP || COMPILE_TEST 361 select DMA_ENGINE 362 select MMP_SRAM if ARCH_MMP 363 select GENERIC_ALLOCATOR 364 help 365 Support the MMP Two-Channel DMA engine. 366 This engine used for MMP Audio DMA and pxa910 SQU. 367 It needs sram driver under mach-mmp. 368 369config MOXART_DMA 370 tristate "MOXART DMA support" 371 depends on ARCH_MOXART 372 select DMA_ENGINE 373 select DMA_VIRTUAL_CHANNELS 374 help 375 Enable support for the MOXA ART SoC DMA controller. 376 377 Say Y here if you enabled MMP ADMA, otherwise say N. 378 379config MPC512X_DMA 380 tristate "Freescale MPC512x built-in DMA engine support" 381 depends on PPC_MPC512x || PPC_MPC831x 382 select DMA_ENGINE 383 ---help--- 384 Enable support for the Freescale MPC512x built-in DMA engine. 385 386config MV_XOR 387 bool "Marvell XOR engine support" 388 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 389 select DMA_ENGINE 390 select DMA_ENGINE_RAID 391 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 392 ---help--- 393 Enable support for the Marvell XOR engine. 394 395config MV_XOR_V2 396 bool "Marvell XOR engine version 2 support " 397 depends on ARM64 398 select DMA_ENGINE 399 select DMA_ENGINE_RAID 400 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 401 select GENERIC_MSI_IRQ_DOMAIN 402 ---help--- 403 Enable support for the Marvell version 2 XOR engine. 404 405 This engine provides acceleration for copy, XOR and RAID6 406 operations, and is available on Marvell Armada 7K and 8K 407 platforms. 408 409config MXS_DMA 410 bool "MXS DMA support" 411 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST 412 select STMP_DEVICE 413 select DMA_ENGINE 414 help 415 Support the MXS DMA engine. This engine including APBH-DMA 416 and APBX-DMA is integrated into some Freescale chips. 417 418config MX3_IPU 419 bool "MX3x Image Processing Unit support" 420 depends on ARCH_MXC 421 select DMA_ENGINE 422 default y 423 help 424 If you plan to use the Image Processing unit in the i.MX3x, say 425 Y here. If unsure, select Y. 426 427config MX3_IPU_IRQS 428 int "Number of dynamically mapped interrupts for IPU" 429 depends on MX3_IPU 430 range 2 137 431 default 4 432 help 433 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 434 To avoid bloating the irq_desc[] array we allocate a sufficient 435 number of IRQ slots and map them dynamically to specific sources. 436 437config NBPFAXI_DMA 438 tristate "Renesas Type-AXI NBPF DMA support" 439 select DMA_ENGINE 440 depends on ARM || COMPILE_TEST 441 help 442 Support for "Type-AXI" NBPF DMA IPs from Renesas 443 444config OWL_DMA 445 tristate "Actions Semi Owl SoCs DMA support" 446 depends on ARCH_ACTIONS 447 select DMA_ENGINE 448 select DMA_VIRTUAL_CHANNELS 449 help 450 Enable support for the Actions Semi Owl SoCs DMA controller. 451 452config PCH_DMA 453 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 454 depends on PCI && (X86_32 || COMPILE_TEST) 455 select DMA_ENGINE 456 help 457 Enable support for Intel EG20T PCH DMA engine. 458 459 This driver also can be used for LAPIS Semiconductor IOH(Input/ 460 Output Hub), ML7213, ML7223 and ML7831. 461 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 462 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 463 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 464 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 465 466config PL330_DMA 467 tristate "DMA API Driver for PL330" 468 select DMA_ENGINE 469 depends on ARM_AMBA 470 help 471 Select if your platform has one or more PL330 DMACs. 472 You need to provide platform specific settings via 473 platform_data for a dma-pl330 device. 474 475config PXA_DMA 476 bool "PXA DMA support" 477 depends on (ARCH_MMP || ARCH_PXA) 478 select DMA_ENGINE 479 select DMA_VIRTUAL_CHANNELS 480 help 481 Support the DMA engine for PXA. It is also compatible with MMP PDMA 482 platform. The internal DMA IP of all PXA variants is supported, with 483 16 to 32 channels for peripheral to memory or memory to memory 484 transfers. 485 486config SIRF_DMA 487 tristate "CSR SiRFprimaII/SiRFmarco DMA support" 488 depends on ARCH_SIRF 489 select DMA_ENGINE 490 help 491 Enable support for the CSR SiRFprimaII DMA engine. 492 493config STE_DMA40 494 bool "ST-Ericsson DMA40 support" 495 depends on ARCH_U8500 496 select DMA_ENGINE 497 help 498 Support for ST-Ericsson DMA40 controller 499 500config ST_FDMA 501 tristate "ST FDMA dmaengine support" 502 depends on ARCH_STI 503 depends on REMOTEPROC 504 select ST_SLIM_REMOTEPROC 505 select DMA_ENGINE 506 select DMA_VIRTUAL_CHANNELS 507 help 508 Enable support for ST FDMA controller. 509 It supports 16 independent DMA channels, accepts up to 32 DMA requests 510 511 Say Y here if you have such a chipset. 512 If unsure, say N. 513 514config STM32_DMA 515 bool "STMicroelectronics STM32 DMA support" 516 depends on ARCH_STM32 || COMPILE_TEST 517 select DMA_ENGINE 518 select DMA_VIRTUAL_CHANNELS 519 help 520 Enable support for the on-chip DMA controller on STMicroelectronics 521 STM32 MCUs. 522 If you have a board based on such a MCU and wish to use DMA say Y 523 here. 524 525config STM32_DMAMUX 526 bool "STMicroelectronics STM32 dma multiplexer support" 527 depends on STM32_DMA || COMPILE_TEST 528 help 529 Enable support for the on-chip DMA multiplexer on STMicroelectronics 530 STM32 MCUs. 531 If you have a board based on such a MCU and wish to use DMAMUX say Y 532 here. 533 534config STM32_MDMA 535 bool "STMicroelectronics STM32 master dma support" 536 depends on ARCH_STM32 || COMPILE_TEST 537 depends on OF 538 select DMA_ENGINE 539 select DMA_VIRTUAL_CHANNELS 540 help 541 Enable support for the on-chip MDMA controller on STMicroelectronics 542 STM32 platforms. 543 If you have a board based on STM32 SoC and wish to use the master DMA 544 say Y here. 545 546config SPRD_DMA 547 tristate "Spreadtrum DMA support" 548 depends on ARCH_SPRD || COMPILE_TEST 549 select DMA_ENGINE 550 select DMA_VIRTUAL_CHANNELS 551 help 552 Enable support for the on-chip DMA controller on Spreadtrum platform. 553 554config S3C24XX_DMAC 555 bool "Samsung S3C24XX DMA support" 556 depends on ARCH_S3C24XX || COMPILE_TEST 557 select DMA_ENGINE 558 select DMA_VIRTUAL_CHANNELS 559 help 560 Support for the Samsung S3C24XX DMA controller driver. The 561 DMA controller is having multiple DMA channels which can be 562 configured for different peripherals like audio, UART, SPI. 563 The DMA controller can transfer data from memory to peripheral, 564 periphal to memory, periphal to periphal and memory to memory. 565 566config TXX9_DMAC 567 tristate "Toshiba TXx9 SoC DMA support" 568 depends on MACH_TX49XX || MACH_TX39XX 569 select DMA_ENGINE 570 help 571 Support the TXx9 SoC internal DMA controller. This can be 572 integrated in chips such as the Toshiba TX4927/38/39. 573 574config TEGRA20_APB_DMA 575 bool "NVIDIA Tegra20 APB DMA support" 576 depends on ARCH_TEGRA 577 select DMA_ENGINE 578 help 579 Support for the NVIDIA Tegra20 APB DMA controller driver. The 580 DMA controller is having multiple DMA channel which can be 581 configured for different peripherals like audio, UART, SPI, 582 I2C etc which is in APB bus. 583 This DMA controller transfers data from memory to peripheral fifo 584 or vice versa. It does not support memory to memory data transfer. 585 586config TEGRA210_ADMA 587 tristate "NVIDIA Tegra210 ADMA support" 588 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) 589 select DMA_ENGINE 590 select DMA_VIRTUAL_CHANNELS 591 help 592 Support for the NVIDIA Tegra210 ADMA controller driver. The 593 DMA controller has multiple DMA channels and is used to service 594 various audio clients in the Tegra210 audio processing engine 595 (APE). This DMA controller transfers data from memory to 596 peripheral and vice versa. It does not support memory to 597 memory data transfer. 598 599config TIMB_DMA 600 tristate "Timberdale FPGA DMA support" 601 depends on MFD_TIMBERDALE || COMPILE_TEST 602 select DMA_ENGINE 603 help 604 Enable support for the Timberdale FPGA DMA engine. 605 606config UNIPHIER_MDMAC 607 tristate "UniPhier MIO DMAC" 608 depends on ARCH_UNIPHIER || COMPILE_TEST 609 depends on OF 610 select DMA_ENGINE 611 select DMA_VIRTUAL_CHANNELS 612 help 613 Enable support for the MIO DMAC (Media I/O DMA controller) on the 614 UniPhier platform. This DMA controller is used as the external 615 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs. 616 617config XGENE_DMA 618 tristate "APM X-Gene DMA support" 619 depends on ARCH_XGENE || COMPILE_TEST 620 select DMA_ENGINE 621 select DMA_ENGINE_RAID 622 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 623 help 624 Enable support for the APM X-Gene SoC DMA engine. 625 626config XILINX_DMA 627 tristate "Xilinx AXI DMAS Engine" 628 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 629 select DMA_ENGINE 630 help 631 Enable support for Xilinx AXI VDMA Soft IP. 632 633 AXI VDMA engine provides high-bandwidth direct memory access 634 between memory and AXI4-Stream video type target 635 peripherals including peripherals which support AXI4- 636 Stream Video Protocol. It has two stream interfaces/ 637 channels, Memory Mapped to Stream (MM2S) and Stream to 638 Memory Mapped (S2MM) for the data transfers. 639 AXI CDMA engine provides high-bandwidth direct memory access 640 between a memory-mapped source address and a memory-mapped 641 destination address. 642 AXI DMA engine provides high-bandwidth one dimensional direct 643 memory access between memory and AXI4-Stream target peripherals. 644 645config XILINX_ZYNQMP_DMA 646 tristate "Xilinx ZynqMP DMA Engine" 647 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 648 select DMA_ENGINE 649 help 650 Enable support for Xilinx ZynqMP DMA controller. 651 652config ZX_DMA 653 tristate "ZTE ZX DMA support" 654 depends on ARCH_ZX || COMPILE_TEST 655 select DMA_ENGINE 656 select DMA_VIRTUAL_CHANNELS 657 help 658 Support the DMA engine for ZTE ZX family platform devices. 659 660 661# driver files 662source "drivers/dma/bestcomm/Kconfig" 663 664source "drivers/dma/mediatek/Kconfig" 665 666source "drivers/dma/qcom/Kconfig" 667 668source "drivers/dma/dw/Kconfig" 669 670source "drivers/dma/dw-edma/Kconfig" 671 672source "drivers/dma/hsu/Kconfig" 673 674source "drivers/dma/sh/Kconfig" 675 676source "drivers/dma/ti/Kconfig" 677 678# clients 679comment "DMA Clients" 680 depends on DMA_ENGINE 681 682config ASYNC_TX_DMA 683 bool "Async_tx: Offload support for the async_tx api" 684 depends on DMA_ENGINE 685 help 686 This allows the async_tx api to take advantage of offload engines for 687 memcpy, memset, xor, and raid6 p+q operations. If your platform has 688 a dma engine that can perform raid operations and you have enabled 689 MD_RAID456 say Y. 690 691 If unsure, say N. 692 693config DMATEST 694 tristate "DMA Test client" 695 depends on DMA_ENGINE 696 select DMA_ENGINE_RAID 697 help 698 Simple DMA test client. Say N unless you're debugging a 699 DMA Device driver. 700 701config DMA_ENGINE_RAID 702 bool 703 704endif 705