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bindings: sound: davinci-mcasp: Add support for optional auxclk-fs-ratio

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When McASP is bus master it's reference clock (AUXCLK) might not be a
static clock, but running at a specific FS ratio.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Peter Ujfalusi 2019-06-11 15:29:40 +03:00 committed by Mark Brown
parent 2e927ad798
commit b7e47f48f1
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Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt
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@ -44,6 +44,9 @@ Optional properties:
please refer to pinctrl-bindings.txt
- fck_parent : Should contain a valid clock name which will be used as parent
for the McASP fck
- auxclk-fs-ratio: When McASP is bus master indicates the ratio between AUCLK
and FS rate if applicable:
AUCLK rate = auxclk-fs-ratio * FS rate
Optional GPIO support:
If any McASP pin need to be used as GPIO then the McASP node must have: