Documentation/devicetree/bindings/pwm/ti,omap-dmtimer-pwm.yaml

   1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/pwm/ti,omap-dmtimer-pwm.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: TI dual mode timer PWM controller
   8
   9 maintainers:
  10   - Tony Lindgren <tony@atomide.com>
  11
  12 description:
  13   TI dual mode timer instances have an IO pin for PWM capability
  14
  15 allOf:
  16   - $ref: pwm.yaml#
  17
  18 properties:
  19   compatible:
  20     const: ti,omap-dmtimer-pwm
  21
  22   "#pwm-cells":
  23     const: 3
  24
  25   ti,timers:
  26     description: Timer instance phandle for the PWM
  27     $ref: /schemas/types.yaml#/definitions/phandle
  28
  29   ti,prescaler:
  30     description: |
  31       Legacy clock prescaler for timer. The timer counter is prescaled
  32       with 2^n where n is the prescaler.
  33     $ref: /schemas/types.yaml#/definitions/uint32
  34     enum: [ 0, 1, 2, 3, 4, 5, 6, 7 ]
  35     deprecated: true
  36
  37   ti,clock-source:
  38     description: |
  39       Legacy clock for timer, please use assigned-clocks instead.
  40       0x00 - high-frequency system clock (timer_sys_ck)
  41       0x01 - 32-kHz always-on clock (timer_32k_ck)
  42       0x02 - external clock (timer_ext_ck, OMAP2 only)
  43     $ref: /schemas/types.yaml#/definitions/uint32
  44     enum: [ 0, 1, 2 ]
  45     deprecated: true
  46
  47 required:
  48   - compatible
  49   - ti,timers
  50
  51 unevaluatedProperties: false
  52
  53 examples:
  54   - |
  55     pwm9: pwm {
  56       compatible = "ti,omap-dmtimer-pwm";
  57       ti,timers = <&timer9>;
  58       #pwm-cells = <3>;
  59     };