Hi, Each McASP pins can be configured individually to be used as McASP or GPIO pin. This series will allow client drivers to use pins as GPIO (optional) in case the board wired up them to be used in this mode. Regards, Peter --- Peter Ujfalusi (3): ASoC: ti: davinci-mcasp: Move context save/restore to runtime_pm callbacks bindings: sound: davinci-mcasp: Document GPIO support ASoC: ti: davinci-mcasp: Add support for GPIO mode of the pins .../bindings/sound/davinci-mcasp-audio.txt | 17 + sound/soc/ti/davinci-mcasp.c | 295 +++++++++++++----- 2 files changed, 237 insertions(+), 75 deletions(-) -- Peter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki