1# SPDX-License-Identifier: GPL-2.0-only 2 3config MTK_HSDMA 4 tristate "MediaTek High-Speed DMA controller support" 5 depends on ARCH_MEDIATEK || COMPILE_TEST 6 select DMA_ENGINE 7 select DMA_VIRTUAL_CHANNELS 8 help 9 Enable support for High-Speed DMA controller on MediaTek 10 SoCs. 11 12 This controller provides the channels which is dedicated to 13 memory-to-memory transfer to offload from CPU through ring- 14 based descriptor management. 15 16config MTK_CQDMA 17 tristate "MediaTek Command-Queue DMA controller support" 18 depends on ARCH_MEDIATEK || COMPILE_TEST 19 select DMA_ENGINE 20 select DMA_VIRTUAL_CHANNELS 21 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 22 help 23 Enable support for Command-Queue DMA controller on MediaTek 24 SoCs. 25 26 This controller provides the channels which is dedicated to 27 memory-to-memory transfer to offload from CPU. 28 29config MTK_UART_APDMA 30 tristate "MediaTek SoCs APDMA support for UART" 31 depends on OF && SERIAL_8250_MT6577 32 select DMA_ENGINE 33 select DMA_VIRTUAL_CHANNELS 34 help 35 Support for the UART DMA engine found on MediaTek MTK SoCs. 36 When SERIAL_8250_MT6577 is enabled, and if you want to use DMA, 37 you can enable the config. The DMA engine can only be used 38 with MediaTek SoCs. 39