ASoC: davinci-mcasp: Document GPIO support

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McASP pins can be used as GPIO, add optional section to enable GPIO support
for McASP.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

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Peter Ujfalusi 2019-01-03 16:05:51 +02:00 • committed by Mark Brown

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commit 4664b94c98

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Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt

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