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| author |   Jyri Sarha <jsarha@ti.com> | 2013-10-18 18:37:43 +0300 |
|---|---|---|
| committer |   Mark Brown <broonie@linaro.org> | 2013-10-22 12:03:21 +0100 |
| commit | 4023fe6ff2192d6050647571ea54f5497b2ec8f6 (patch) | |
| tree | f853cf5add0ab7ce1d371aec5fc2a7156f95561b /Documentation/devicetree/bindings/sound | |
| parent | ASoC: davinci-mcasp: Add location for data port registers to DT (diff) | |
| download | linux-dev-4023fe6ff2192d6050647571ea54f5497b2ec8f6.tar.xz linux-dev-4023fe6ff2192d6050647571ea54f5497b2ec8f6.zip | |
ASoC: davinci-mcasp: Extract DMA channels directly from DT
Extract DMA channels directly from DT as they can not be found from
platform resources anymore. This is a work-around until davinci audio
driver is updated to use dmaengine.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/sound')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt b/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt index c2ab8697e24a..c3ccde71f97a 100644 --- a/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt +++ b/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt @@ -18,6 +18,11 @@ Required properties: - serial-dir : A list of serializer pin mode. The list number should be equal to "num-serializer" parameter. Each entry is a number indication serializer pin direction. (0 - INACTIVE, 1 - TX, 2 - RX) +- dmas: two element list of DMA controller phandles and DMA request line + ordered pairs. +- dma-names: identifier string for each DMA request line in the dmas property. + These strings correspond 1:1 with the ordered pairs in dmas. The dma + identifiers must be "rx" and "tx". Optional properties: |