xref: /freebsd/sys/contrib/device-tree/Bindings/counter/ti-eqep.yaml (revision 0e8011faf58b743cc652e3b2ad0f7671227610df)

# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/counter/ti-eqep.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Texas Instruments Enhanced Quadrature Encoder Pulse (eQEP) Module

maintainers:
  - David Lechner <david@lechnology.com>

properties:
  compatible:
    enum:
      - ti,am3352-eqep
      - ti,am62-eqep

  reg:
    maxItems: 1

  interrupts:
    description: The eQEP event interrupt
    maxItems: 1

  clocks:
    description: The functional and interface clock that determines the clock
      rate for the eQEP peripheral.
    maxItems: 1

  clock-names:
    const: sysclkout

  power-domains:
    maxItems: 1

allOf:
  - if:
      properties:
        compatible:
          contains:
            enum:
              - ti,am62-eqep
    then:
      properties:
        clock-names: false

      required:
        - power-domains

required:
  - compatible
  - reg
  - interrupts
  - clocks

additionalProperties: false

examples:
  - |
    eqep0: counter@180 {
        compatible = "ti,am3352-eqep";
        reg = <0x180 0x80>;
        clocks = <&l4ls_gclk>;
        interrupts = <79>;
    };

...