xref: /freebsd/sys/contrib/device-tree/Bindings/timer/mediatek,timer.yaml (revision 01950c46b8155250f64374fb72fc11faa44bf099)

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

title: MediaTek SoC timers

maintainers:
  - Matthias Brugger <matthias.bgg@gmail.com>

description:
  MediaTek SoCs have different timers on different platforms,
  CPUX (ARM/ARM64 System Timer), GPT (General Purpose Timer)
  and SYST (System Timer).

properties:
  compatible:
    oneOf:
      - items:
          - enum:
              - mediatek,mt6577-timer
              - mediatek,mt6765-timer
              - mediatek,mt6795-systimer
      # GPT Timers
      - items:
          - enum:
              - mediatek,mt2701-timer
              - mediatek,mt6580-timer
              - mediatek,mt6582-timer
              - mediatek,mt6589-timer
              - mediatek,mt7623-timer
              - mediatek,mt8127-timer
              - mediatek,mt8135-timer
              - mediatek,mt8173-timer
              - mediatek,mt8516-timer
          - const: mediatek,mt6577-timer
      # SYST Timers
      - items:
          - enum:
              - mediatek,mt7629-timer
              - mediatek,mt8183-timer
              - mediatek,mt8186-timer
              - mediatek,mt8188-timer
              - mediatek,mt8192-timer
              - mediatek,mt8195-timer
              - mediatek,mt8365-systimer
          - const: mediatek,mt6765-timer

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    minItems: 1
    items:
      - description: Timer clock
      - description: RTC or bus clock

  clock-names:
    minItems: 1
    maxItems: 2

required:
  - compatible
  - reg
  - interrupts
  - clocks

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/irq.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>

    timer@10008000 {
      compatible = "mediatek,mt6577-timer";
      reg = <0x10008000 0x80>;
      interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_LOW>;
      clocks = <&system_clk>;
    };