Documentation/devicetree/bindings/pwm/pwm-amlogic.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/pwm-amlogic.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Amlogic PWM
   8
   9 maintainers:
  10   - Heiner Kallweit <hkallweit1@gmail.com>
  11
  12 allOf:
  13   - $ref: pwm.yaml#
  14
  15 properties:
  16   compatible:
  17     oneOf:
  18       - enum:
  19           - amlogic,meson8b-pwm
  20           - amlogic,meson-gxbb-pwm
  21           - amlogic,meson-gxbb-ao-pwm
  22           - amlogic,meson-axg-ee-pwm
  23           - amlogic,meson-axg-ao-pwm
  24           - amlogic,meson-g12a-ee-pwm
  25           - amlogic,meson-g12a-ao-pwm-ab
  26           - amlogic,meson-g12a-ao-pwm-cd
  27           - amlogic,meson-s4-pwm
  28       - items:
  29           - const: amlogic,meson-gx-pwm
  30           - const: amlogic,meson-gxbb-pwm
  31       - items:
  32           - const: amlogic,meson-gx-ao-pwm
  33           - const: amlogic,meson-gxbb-ao-pwm
  34       - items:
  35           - const: amlogic,meson8-pwm
  36           - const: amlogic,meson8b-pwm
  37
  38   reg:
  39     maxItems: 1
  40
  41   clocks:
  42     minItems: 1
  43     maxItems: 2
  44
  45   clock-names:
  46     oneOf:
  47       - items:
  48           - enum: [clkin0, clkin1]
  49       - items:
  50           - const: clkin0
  51           - const: clkin1
  52
  53   "#pwm-cells":
  54     const: 3
  55
  56 required:
  57   - compatible
  58   - reg
  59
  60 additionalProperties: false
  61
  62 examples:
  63   - |
  64     pwm@8550 {
  65       compatible = "amlogic,meson-gxbb-pwm";
  66       reg = <0x08550 0x10>;
  67       clocks = <&xtal>, <&xtal>;
  68       clock-names = "clkin0", "clkin1";
  69       #pwm-cells = <3>;
  70     };