pwm-tiecap.txt 792 B

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  1. TI SOC ECAP based APWM controller
  2. Required properties:
  3. - compatible: Must be "ti,am33xx-ecap"
  4. - #pwm-cells: Should be 3. Number of cells being used to specify PWM property.
  5. First cell specifies the per-chip index of the PWM to use, the second
  6. cell is the period in nanoseconds and bit 0 in the third cell is used to
  7. encode the polarity of PWM output. Set bit 0 of the third in PWM specifier
  8. to 1 for inverse polarity & set to 0 for normal polarity.
  9. - reg: physical base address and size of the registers map.
  10. Optional properties:
  11. - ti,hwmods: Name of the hwmod associated to the ECAP:
  12. "ecap<x>", <x> being the 0-based instance number from the HW spec
  13. Example:
  14. ecap0: ecap@0 {
  15. compatible = "ti,am33xx-ecap";
  16. #pwm-cells = <3>;
  17. reg = <0x48300100 0x80>;
  18. ti,hwmods = "ecap0";
  19. };