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| author | Xiubo Li <Li.Xiubo@freescale.com> | 2014-02-14 09:34:34 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-02-23 14:15:27 +0900 |
| commit | 72899ad8a46a80ad5fc725afea443f94945ae370 (patch) | |
| tree | 6ff17fc4c21fb615cc4a1625f43c5708fd764748 | |
| parent | ac7f4820301b6b6029f01e4c276c2cd42272d9cb (diff) | |
| download | linux-72899ad8a46a80ad5fc725afea443f94945ae370.tar.bz2 | |
ASoC: binding: add tdm-slot.txt
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
| -rw-r--r-- | Documentation/devicetree/bindings/sound/tdm-slot.txt | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/tdm-slot.txt b/Documentation/devicetree/bindings/sound/tdm-slot.txt new file mode 100644 index 000000000000..6a2c84247f91 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/tdm-slot.txt @@ -0,0 +1,20 @@ +TDM slot: + +This specifies audio DAI's TDM slot. + +TDM slot properties: +dai-tdm-slot-num : Number of slots in use. +dai-tdm-slot-width : Width in bits for each slot. + +For instance: + dai-tdm-slot-num = <2>; + dai-tdm-slot-width = <8>; + +And for each spcified driver, there could be one .of_xlate_tdm_slot_mask() +to specify a explicit mapping of the channels and the slots. If it's absent +the default snd_soc_of_xlate_tdm_slot_mask() will be used to generating the +tx and rx masks. + +For snd_soc_of_xlate_tdm_slot_mask(), the tx and rx masks will use a 1 bit +for an active slot as default, and the default active bits are at the LSB of +the masks. |