Open Menu / dts / upstream / Bindings / timer / actions,owl-timer.yaml
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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/timer/actions,owl-timer.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Actions Semi Owl timer

maintainers:
  - Andreas Färber <afaerber@suse.de>

description:
  Actions Semi Owl SoCs provide 32bit and 2Hz timers.
  The 32bit timers support dynamic irq, as well as one-shot mode.

properties:
  compatible:
    enum:
      - actions,s500-timer
      - actions,s700-timer
      - actions,s900-timer

  clocks:
    maxItems: 1

  interrupts:
    minItems: 1
    maxItems: 6

  interrupt-names:
    minItems: 1
    maxItems: 6
    items:
      enum:
        - 2hz0
        - 2hz1
        - timer0
        - timer1
        - timer2
        - timer3

  reg:
    maxItems: 1

required:
  - compatible
  - clocks
  - interrupts
  - interrupt-names
  - reg

allOf:
  - if:
      properties:
        compatible:
          contains:
            enum:
              - actions,s500-timer
    then:
      properties:
        interrupts:
          minItems: 4
          maxItems: 4
        interrupt-names:
          items:
            - const: 2hz0
            - const: 2hz1
            - const: timer0
            - const: timer1

  - if:
      properties:
        compatible:
          contains:
            enum:
              - actions,s700-timer
              - actions,s900-timer
    then:
      properties:
        interrupts:
          minItems: 1
          maxItems: 1
        interrupt-names:
          items:
            - const: timer1

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/interrupt-controller/irq.h>
    soc {
      #address-cells = <1>;
      #size-cells = <1>;
      timer@b0168000 {
        compatible = "actions,s500-timer";
        reg = <0xb0168000 0x100>;
        clocks = <&hosc>;
        interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
                     <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
                     <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>,
                     <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
        interrupt-names = "2hz0", "2hz1", "timer0", "timer1";
      };
    };
...