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ASoC: imx-audmux: Read default configuration from devicetree

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Adds a function to parse a default port configuration from devicetree.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Markus Pargmann 2013-07-27 13:31:52 +02:00 • committed by Mark Brown
parent 3f1a91aa25
commit 8548a464b9
2 changed files with 71 additions and 0 deletions
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9
Documentation/devicetree/bindings/sound/imx-audmux.txt
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@ -5,6 +5,15 @@ Required properties:
or "fsl,imx31-audmux" for the version firstly used on i.MX31.
- reg : Should contain AUDMUX registers location and length
An initial configuration can be setup using child nodes.
Required properties of optional child nodes:
- fsl,audmux-port : Integer of the audmux port that is configured by this
child node.
- fsl,port-config : List of configuration options for the specific port. For
imx31-audmux and above, it is a list of tuples <ptcr pdcr>. For
imx21-audmux it is a list of pcr values.
Example:
audmux@021d8000 {