Documentation/devicetree/bindings/timer/snps,dw-apb-timer.yaml

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/timer/snps,dw-apb-timer.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Synopsys DesignWare APB Timer
   8
   9 maintainers:
  10   - Daniel Lezcano <daniel.lezcano@linaro.org>
  11
  12 properties:
  13   compatible:
  14     oneOf:
  15       - const: snps,dw-apb-timer
  16       - enum:
  17           - snps,dw-apb-timer-sp
  18           - snps,dw-apb-timer-osc
  19         deprecated: true
  20
  21   reg:
  22     maxItems: 1
  23
  24   interrupts:
  25     maxItems: 1
  26
  27   resets:
  28     maxItems: 1
  29
  30   clocks:
  31     minItems: 1
  32     items:
  33       - description: Timer ticks reference clock source
  34       - description: APB interface clock source
  35
  36   clock-names:
  37     minItems: 1
  38     items:
  39       - const: timer
  40       - const: pclk
  41
  42   clock-frequency: true
  43
  44 additionalProperties: false
  45
  46 required:
  47   - compatible
  48   - reg
  49   - interrupts
  50
  51 oneOf:
  52   - required:
  53       - clocks
  54       - clock-names
  55   - required:
  56       - clock-frequency
  57   - required:
  58       - clock-freq
  59
  60 examples:
  61   - |
  62     timer@ffe00000 {
  63       compatible = "snps,dw-apb-timer";
  64       interrupts = <0 170 4>;
  65       reg = <0xffe00000 0x1000>;
  66       clocks = <&timer_clk>, <&timer_pclk>;
  67       clock-names = "timer", "pclk";
  68     };
  69   - |
  70     timer@ffe00000 {
  71       compatible = "snps,dw-apb-timer";
  72       interrupts = <0 170 4>;
  73       reg = <0xffe00000 0x1000>;
  74       clocks = <&timer_clk>;
  75       clock-names = "timer";
  76     };
  77   - |
  78     timer@ffe00000 {
  79       compatible = "snps,dw-apb-timer";
  80       interrupts = <0 170 4>;
  81       reg = <0xffe00000 0x1000>;
  82       clock-frequency = <25000000>;
  83     };
  84 ...