X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fstaging%2Fiio%2Ftrigger%2Fiio-trig-bfin-timer.h;fp=kernel%2Fdrivers%2Fstaging%2Fiio%2Ftrigger%2Fiio-trig-bfin-timer.h;h=c07321f8d94c219015ed6b5d80746b894c25c8c6;hb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;hp=0000000000000000000000000000000000000000;hpb=98260f3884f4a202f9ca5eabed40b1354c489b29;p=kvmfornfv.git diff --git a/kernel/drivers/staging/iio/trigger/iio-trig-bfin-timer.h b/kernel/drivers/staging/iio/trigger/iio-trig-bfin-timer.h new file mode 100644 index 000000000..c07321f8d --- /dev/null +++ b/kernel/drivers/staging/iio/trigger/iio-trig-bfin-timer.h @@ -0,0 +1,24 @@ +#ifndef __IIO_BFIN_TIMER_TRIGGER_H__ +#define __IIO_BFIN_TIMER_TRIGGER_H__ + +/** + * struct iio_bfin_timer_trigger_pdata - timer trigger platform data + * @output_enable: Enable external trigger pulse generation. + * @active_low: Whether the trigger pulse is active low. + * @duty_ns: Length of the trigger pulse in nanoseconds. + * + * This struct is used to configure the output pulse generation of the blackfin + * timer trigger. If output_enable is set to true an external trigger signal + * will generated on the pin corresponding to the timer. This is useful for + * converters which needs an external signal to start conversion. active_low and + * duty_ns are used to configure the type of the trigger pulse. If output_enable + * is set to false no external trigger pulse will be generated and active_low + * and duty_ns are ignored. + **/ +struct iio_bfin_timer_trigger_pdata { + bool output_enable; + bool active_low; + unsigned int duty_ns; +}; + +#endif