Documentation/devicetree/bindings/pwm/apple,s5l-fpwm.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/apple,s5l-fpwm.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Apple FPWM controller
   8
   9 maintainers:
  10   - asahi@lists.linux.dev
  11   - Sasha Finkelstein <fnkl.kernel@gmail.com>
  12
  13 description: PWM controller used for keyboard backlight on ARM Macs
  14
  15 properties:
  16   compatible:
  17     items:
  18       - enum:
  19           - apple,t8103-fpwm
  20           - apple,t6000-fpwm
  21           - apple,t8112-fpwm
  22       - const: apple,s5l-fpwm
  23
  24   reg:
  25     maxItems: 1
  26
  27   clocks:
  28     maxItems: 1
  29
  30   power-domains:
  31     maxItems: 1
  32
  33   "#pwm-cells":
  34     const: 2
  35
  36 required:
  37   - compatible
  38   - reg
  39   - clocks
  40
  41 additionalProperties: false
  42
  43 examples:
  44   - |
  45     pwm@235044000 {
  46       compatible = "apple,t8103-fpwm", "apple,s5l-fpwm";
  47       reg = <0x35044000 0x4000>;
  48       power-domains = <&ps_fpwm1>;
  49       clocks = <&clkref>;
  50       #pwm-cells = <2>;
  51     };