# SPDX-License-Identifier: GPL-2.0-only config MEDIATEK_CQDMA tristate "MediaTek Command-Queue DMA controller support" select DMA_ENGINE select DMA_VIRTUAL_CHANNELS select ASYNC_TX_ENABLE_CHANNEL_SWITCH help Enable support for Command-Queue DMA controller on MediaTek SoCs. This controller provides the channels which is dedicated to memory-to-memory transfer to offload from CPU. config MTK_HSDMA tristate "MediaTek High-Speed DMA controller support" depends on ARCH_MEDIATEK || COMPILE_TEST select DMA_ENGINE select DMA_VIRTUAL_CHANNELS ---help--- Enable support for High-Speed DMA controller on MediaTek SoCs. This controller provides the channels which is dedicated to memory-to-memory transfer to offload from CPU through ring- based descriptor management. config MTK_UART_APDMA tristate "MediaTek SoCs APDMA support for UART" depends on OF && SERIAL_8250_MT6577 select DMA_ENGINE select DMA_VIRTUAL_CHANNELS help Support for the UART DMA engine found on MediaTek MTK SoCs. When SERIAL_8250_MT6577 is enabled, and if you want to use DMA, you can enable the config. The DMA engine can only be used with MediaTek SoCs.