Documentation/devicetree/bindings/timer/mediatek,timer.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/timer/mediatek,timer.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: MediaTek SoC timers
   8
   9 maintainers:
  10   - Matthias Brugger <matthias.bgg@gmail.com>
  11
  12 description:
  13   MediaTek SoCs have different timers on different platforms,
  14   CPUX (ARM/ARM64 System Timer), GPT (General Purpose Timer)
  15   and SYST (System Timer).
  16
  17 properties:
  18   compatible:
  19     oneOf:
  20       - items:
  21           - enum:
  22               - mediatek,mt6577-timer
  23               - mediatek,mt6765-timer
  24               - mediatek,mt6795-systimer
  25       # GPT Timers
  26       - items:
  27           - enum:
  28               - mediatek,mt2701-timer
  29               - mediatek,mt6580-timer
  30               - mediatek,mt6582-timer
  31               - mediatek,mt6589-timer
  32               - mediatek,mt7623-timer
  33               - mediatek,mt8127-timer
  34               - mediatek,mt8135-timer
  35               - mediatek,mt8173-timer
  36               - mediatek,mt8516-timer
  37           - const: mediatek,mt6577-timer
  38       # SYST Timers
  39       - items:
  40           - enum:
  41               - mediatek,mt7629-timer
  42               - mediatek,mt8183-timer
  43               - mediatek,mt8186-timer
  44               - mediatek,mt8188-timer
  45               - mediatek,mt8192-timer
  46               - mediatek,mt8195-timer
  47               - mediatek,mt8365-systimer
  48           - const: mediatek,mt6765-timer
  49
  50   reg:
  51     maxItems: 1
  52
  53   interrupts:
  54     maxItems: 1
  55
  56   clocks:
  57     minItems: 1
  58     items:
  59       - description: Timer clock
  60       - description: RTC or bus clock
  61
  62   clock-names:
  63     minItems: 1
  64     maxItems: 2
  65
  66 required:
  67   - compatible
  68   - reg
  69   - interrupts
  70   - clocks
  71
  72 additionalProperties: false
  73
  74 examples:
  75   - |
  76     #include <dt-bindings/interrupt-controller/irq.h>
  77     #include <dt-bindings/interrupt-controller/arm-gic.h>
  78
  79     timer@10008000 {
  80       compatible = "mediatek,mt6577-timer";
  81       reg = <0x10008000 0x80>;
  82       interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_LOW>;
  83       clocks = <&system_clk>;
  84     };