Documentation / devicetree / bindings / pwm / marvell,pxa-pwm.yaml


Based on kernel version 6.17. Page generated on 2025-10-03 10:04 EST.

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

title: Marvell PXA PWM

maintainers:
  - Duje Mihanović <duje.mihanovic@skole.hr>

allOf:
  - $ref: pwm.yaml#
  - if:
      properties:
        compatible:
          contains:
            const: spacemit,k1-pwm
    then:
      properties:
        "#pwm-cells":
          const: 3
    else:
      properties:
        "#pwm-cells":
          const: 1
          description: |
            Used for specifying the period length in nanoseconds.

properties:
  compatible:
    oneOf:
      - enum:
          - marvell,pxa250-pwm
          - marvell,pxa270-pwm
          - marvell,pxa168-pwm
          - marvell,pxa910-pwm
      - items:
          - const: spacemit,k1-pwm
          - const: marvell,pxa910-pwm

  reg:
    # Length should be 0x10
    maxItems: 1
 
  "#pwm-cells":
    description: Number of cells in a pwm specifier.

  clocks:
    maxItems: 1

  resets:
    maxItems: 1

required:
  - compatible
  - reg
  - clocks

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/pxa-clock.h>
 
    pwm0: pwm@40b00000 {
      compatible = "marvell,pxa250-pwm";
      reg = <0x40b00000 0x10>;
      #pwm-cells = <1>;
      clocks = <&clks CLK_PWM0>;
    };