RTEMS | bsp/aarch64/raspberrypi4: Add PWM peripheral support (!509)

[Shaunak Datar (@skdatar)]

Shaunak Datar commented on a discussion on bsps/aarch64/raspberrypi/pwm/raspberrypi-pwm.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/509#note_124701

 > +  }
 > +
 > +  return RTEMS_SUCCESSFUL;
 > +}
 > +
 > +rtems_status_code rpi_pwm_init(
 > +  raspberrypi_pwm_master  master,
 > +  raspberrypi_pwm_channel channel,
 > +  uint32_t                divisor,
 > +  uint32_t                range,
 > +  uint32_t                data
 > +)
 > +{
 > +  rtems_status_code sc;
 > +
 > +  sc = rpi_pwm_set_clock( divisor );

Yes, you're right the clock is not master dependant. Would it be better to make the clock function non-static and have the user first set the clock and then initialise the pwm master to use?

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/509#note_124701
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