diff options
| author | Jonathan McDowell <noodles@earth.li> | 2020-11-14 15:02:33 +0100 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-11-24 17:11:15 +0100 |
| commit | 5c9f8c2dbdbe53818bcde6aa6695e1331e5f841f (patch) | |
| tree | d5e4d2fd3ac8e546e237fa52e7d0991b086ea190 /drivers/dma/qcom/Kconfig | |
| parent | dmaengine: imx-sdma: Remove unused .id_table support (diff) | |
| download | linux-5c9f8c2dbdbe53818bcde6aa6695e1331e5f841f.tar.xz linux-5c9f8c2dbdbe53818bcde6aa6695e1331e5f841f.zip | |
dmaengine: qcom: Add ADM driver
Add the DMA engine driver for the QCOM Application Data Mover (ADM) DMA
controller found in the MSM8x60 and IPQ/APQ8064 platforms.
The ADM supports both memory to memory transactions and memory
to/from peripheral device transactions. The controller also provides
flow control capabilities for transactions to/from peripheral devices.
The initial release of this driver supports slave transfers to/from
peripherals and also incorporates CRCI (client rate control interface)
flow control.
The hardware only supports a 32 bit physical address, so specifying
!PHYS_ADDR_T_64BIT gives maximum COMPILE_TEST coverage without having to
spend effort on kludging things in the code that will never actually be
needed on real hardware.
Signed-off-by: Andy Gross <agross@codeaurora.org>
Signed-off-by: Thomas Pedersen <twp@codeaurora.org>
Signed-off-by: Jonathan McDowell <noodles@earth.li>
Link: https://lore.kernel.org/r/20201114140233.GM32650@earth.li
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/qcom/Kconfig')
| -rw-r--r-- | drivers/dma/qcom/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/dma/qcom/Kconfig b/drivers/dma/qcom/Kconfig index 3bcb689162c6..0389d60d2604 100644 --- a/drivers/dma/qcom/Kconfig +++ b/drivers/dma/qcom/Kconfig @@ -1,4 +1,15 @@ # SPDX-License-Identifier: GPL-2.0-only +config QCOM_ADM + tristate "Qualcomm ADM support" + depends on (ARCH_QCOM || COMPILE_TEST) && !PHYS_ADDR_T_64BIT + select DMA_ENGINE + select DMA_VIRTUAL_CHANNELS + help + Enable support for the Qualcomm Application Data Mover (ADM) DMA + controller, as present on MSM8x60, APQ8064, and IPQ8064 devices. + This controller provides DMA capabilities for both general purpose + and on-chip peripheral devices. + config QCOM_BAM_DMA tristate "QCOM BAM DMA support" depends on ARCH_QCOM || (COMPILE_TEST && OF && ARM) |