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| author |   Sugar Zhang <sugar.zhang@rock-chips.com> | 2021-09-03 21:23:57 +0800 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2021-09-13 01:44:11 +0100 |
| commit | b2527dcd65b3e141e9363af5b256aa484bd4c06f (patch) | |
| tree | a80fa2867787aaf90f2b964a47927226daccc1d1 | |
| parent | ASoC: rockchip: pdm: Add support for path map (diff) | |
| download | linux-dev-b2527dcd65b3e141e9363af5b256aa484bd4c06f.tar.xz linux-dev-b2527dcd65b3e141e9363af5b256aa484bd4c06f.zip | |
ASoC: dt-bindings: rockchip: pdm: Document property 'rockchip,path-map'
This is an optional property to describe data path mapping.
Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1630675438-3418-1-git-send-email-sugar.zhang@rock-chips.com
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | Documentation/devicetree/bindings/sound/rockchip,pdm.txt | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/rockchip,pdm.txt b/Documentation/devicetree/bindings/sound/rockchip,pdm.txt index 54d94438ba6c..b2d7e47a3e46 100644 --- a/Documentation/devicetree/bindings/sound/rockchip,pdm.txt +++ b/Documentation/devicetree/bindings/sound/rockchip,pdm.txt @@ -24,6 +24,22 @@ Required properties: pinctrl-names. See ../pinctrl/pinctrl-bindings.txt for details of the property values. +Optional properties: +- rockchip,path-map: This is a variable length array, that shows the mapping + of SDIx to PATHx. By default, they are one-to-one mapping as follows: + + path0 <-- sdi0 + path1 <-- sdi1 + path2 <-- sdi2 + path3 <-- sdi3 + + e.g. "rockchip,path-map = <3 2 1 0>" means the mapping as follows: + + path0 <-- sdi3 + path1 <-- sdi2 + path2 <-- sdi1 + path3 <-- sdi0 + Example for rk3328 PDM controller: pdm: pdm@ff040000 { |