xref: /kernel/linux/linux-6.6/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.yaml (revision 62306a36)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pwm/nvidia,tegra20-pwm.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: NVIDIA Tegra PWFM controller

maintainers:
  - Thierry Reding <thierry.reding@gmail.com>
  - Jon Hunter <jonathanh@nvidia.com>

properties:
  compatible:
    oneOf:
      - enum:
          - nvidia,tegra20-pwm
          - nvidia,tegra186-pwm

      - items:
          - enum:
              - nvidia,tegra30-pwm
              - nvidia,tegra114-pwm
              - nvidia,tegra124-pwm
              - nvidia,tegra132-pwm
              - nvidia,tegra210-pwm
          - enum:
              - nvidia,tegra20-pwm

      - items:
          - const: nvidia,tegra194-pwm
          - const: nvidia,tegra186-pwm

      - items:
          - const: nvidia,tegra234-pwm
          - const: nvidia,tegra194-pwm

  reg:
    maxItems: 1

  clocks:
    maxItems: 1

  resets:
    items:
      - description: module reset

  reset-names:
    items:
      - const: pwm

  "#pwm-cells":
    const: 2

  pinctrl-names:
    items:
      - const: default
      - const: sleep

  pinctrl-0:
    description: configuration for the default/active state

  pinctrl-1:
    description: configuration for the sleep state

  operating-points-v2: true

  power-domains:
    items:
      - description: phandle to the core power domain

allOf:
  - $ref: pwm.yaml

required:
  - compatible
  - reg
  - clocks
  - resets
  - reset-names

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/tegra20-car.h>

    pwm: pwm@7000a000 {
        compatible = "nvidia,tegra20-pwm";
        reg = <0x7000a000 0x100>;
        #pwm-cells = <2>;
        clocks = <&tegra_car TEGRA20_CLK_PWM>;
        resets = <&tegra_car 17>;
        reset-names = "pwm";
    };