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ARM: shmobile: lager: Sound DMA support via DVC on DTS

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DMA transfer uses DVC

     DMA               DMApp
[MEM] -> [SRC] -> [DVC] -> [SSIU] -> [SSI]

     DMA               DMApp
[MEM] <- [DVC] <- [SRC] <- [SSIU] <- [SSI]

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Kuninori Morimoto 2014-11-03 17:48:38 -08:00 committed by Simon Horman
parent 7e78eb69a1
commit e110c54107
1 changed files with 9 additions and 2 deletions
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11
arch/arm/boot/dts/r8a7790-lager.dts
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@ -19,6 +19,13 @@
* This command is required when Playback/Capture
*
* amixer set "LINEOUT Mixer DACL" on
* amixer set "DVC Out" 100%
* amixer set "DVC In" 100%
*
* You can use Mute
*
* amixer set "DVC Out Mute" on
* amixer set "DVC In Mute" on
*/
/dts-v1/;
@ -569,8 +576,8 @@
rcar_sound,dai {
dai0 {
playback = <&ssi0 &src2>;
capture = <&ssi1 &src3>;
playback = <&ssi0 &src2 &dvc0>;
capture = <&ssi1 &src3 &dvc1>;
};
};
};