diff options
Diffstat (limited to 'drivers/dma/loongson/Kconfig')
| -rw-r--r-- | drivers/dma/loongson/Kconfig | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/dma/loongson/Kconfig b/drivers/dma/loongson/Kconfig new file mode 100644 index 000000000..c4e62dce5 --- /dev/null +++ b/drivers/dma/loongson/Kconfig @@ -0,0 +1,41 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# Loongson DMA controllers drivers +# +if MACH_LOONGSON32 || MACH_LOONGSON64 || COMPILE_TEST + +config LOONGSON1_APB_DMA + tristate "Loongson1 APB DMA support" + depends on MACH_LOONGSON32 || COMPILE_TEST + select DMA_ENGINE + select DMA_VIRTUAL_CHANNELS + help + This selects support for the APB DMA controller in Loongson1 SoCs, + which is required by Loongson1 NAND and audio support. + +config LOONGSON2_APB_DMA + tristate "Loongson2 APB DMA support" + depends on MACH_LOONGSON64 || COMPILE_TEST + select DMA_ENGINE + select DMA_VIRTUAL_CHANNELS + help + Support for the Loongson2 APB DMA controller driver. The + DMA controller is having single DMA channel which can be + configured for different peripherals like audio, nand, sdio + etc which is in APB bus. + + This DMA controller transfers data from memory to peripheral fifo. + It does not support memory to memory data transfer. + +config LOONGSON2_APB_CMC_DMA + tristate "Loongson2 Chain Multi-Channel DMA support" + depends on MACH_LOONGSON64 || COMPILE_TEST + select DMA_ENGINE + select DMA_VIRTUAL_CHANNELS + help + Support for the Loongson Chain Multi-Channel DMA controller driver. + It is discovered on the Loongson-2K chip (Loongson-2K0300/Loongson-2K3000), + which has 4/8 channels internally, enabling bidirectional data transfer + between devices and memory. + +endif |