linux/linux-5.4.31/drivers/dma/mediatek/Kconfig

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# SPDX-License-Identifier: GPL-2.0-only
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_CQDMA
tristate "MediaTek Command-Queue DMA controller support"
depends on ARCH_MEDIATEK || COMPILE_TEST
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_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.