Messages in this thread Patch in this message | | | From | Xiubo Li <> | Subject | [PATCH v3 1/3] ASoC: binding: add tdm-slot.txt | Date | Fri, 14 Feb 2014 09:34:34 +0800 |
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Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: Mark Brown <broonie@linaro.org> --- Documentation/devicetree/bindings/sound/tdm-slot.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/tdm-slot.txt
diff --git a/Documentation/devicetree/bindings/sound/tdm-slot.txt b/Documentation/devicetree/bindings/sound/tdm-slot.txt new file mode 100644 index 0000000..6a2c842 --- /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. -- 1.8.4
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