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     1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/timer/renesas,tpu.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Renesas H8/300 Timer Pulse Unit
    8 
    9 maintainers:
   10   - Yoshinori Sato <ysato@users.sourceforge.jp>
   11 
   12 description:
   13   The TPU is a 16bit timer/counter with configurable clock inputs and
   14   programmable compare match.
   15   This implementation supports only cascade mode.
   16 
   17 select:
   18   properties:
   19     compatible:
   20       contains:
   21         const: renesas,tpu
   22     '#pwm-cells': false
   23   required:
   24     - compatible
   25 
   26 properties:
   27   compatible:
   28     const: renesas,tpu
   29 
   30   reg:
   31     items:
   32       - description: First channel
   33       - description: Second channel
   34 
   35   clocks:
   36     maxItems: 1
   37 
   38   clock-names:
   39     const: fck
   40 
   41 required:
   42   - compatible
   43   - reg
   44   - clocks
   45   - clock-names
   46 
   47 additionalProperties: false
   48 
   49 examples:
   50   - |
   51     tpu: tpu@ffffe0 {
   52             compatible = "renesas,tpu";
   53             reg = <0xffffe0 16>, <0xfffff0 12>;
   54             clocks = <&pclk>;
   55             clock-names = "fck";
   56     };
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