Documentation/devicetree/bindings/pwm/opencores,pwm.yaml

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/pwm/opencores,pwm.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: OpenCores PWM controller

maintainers:
  - William Qiu <william.qiu@starfivetech.com>

description:
  The OpenCores PTC ip core contains a PWM controller. When operating in PWM
  mode, the PTC core generates binary signal with user-programmable low and
  high periods. All PTC counters and registers are 32-bit.

allOf:
  - $ref: pwm.yaml#

properties:
  compatible:
    items:
      - enum:
          - starfive,jh7100-pwm
          - starfive,jh7110-pwm
          - starfive,jh8100-pwm
      - const: opencores,pwm-v1

  reg:
    maxItems: 1

  clocks:
    maxItems: 1

  resets:
    maxItems: 1

  "#pwm-cells":
    const: 3

required:
  - compatible
  - reg
  - clocks

additionalProperties: false

examples:
  - |
    pwm@12490000 {
        compatible = "starfive,jh7110-pwm", "opencores,pwm-v1";
        reg = <0x12490000 0x10000>;
        clocks = <&clkgen 181>;
        resets = <&rstgen 109>;
        #pwm-cells = <3>;
    };