diff options
| author | Xiubo Li <Li.Xiubo@freescale.com> | 2014-02-14 09:34:34 +0800 |
|---|---|---|
| committer | Darren Etheridge <detheridge@ti.com> | 2014-06-20 15:18:45 -0500 |
| commit | ba5e802c5c1dcc5a2d0e532a4c6eeb76e3c7c7cf (patch) | |
| tree | 5f0a38d946a1ebc93930be114e051fb87e30bff2 /Documentation | |
| parent | 52a26216e08633e077cf33b1b83b21f1e105d327 (diff) | |
ASoC: binding: add tdm-slot.txt
[ Upstream commit 72899ad8a46a80ad5fc725afea443f94945ae370 ]
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Darren Etheridge <detheridge@ti.com>
Diffstat (limited to 'Documentation')
| -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 00000000000..6a2c84247f9 --- /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. |