arm,vic.yaml

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    1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/interrupt-controller/arm,vic.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: ARM Vectored Interrupt Controller
    8 
    9 maintainers:
   10   - Rob Herring <robh@kernel.org>
   11 
   12 description: |+
   13   One or more Vectored Interrupt Controllers (VIC's) can be connected in an
   14   ARM system for interrupt routing.  For multiple controllers they can either
   15   be nested or have the outputs wire-OR'd together.
   16 
   17 allOf:
   18   - $ref: /schemas/interrupt-controller.yaml#
   19 
   20 properties:
   21   compatible:
   22     enum:
   23       - arm,pl190-vic
   24       - arm,pl192-vic
   25       - arm,versatile-vic
   26 
   27   interrupt-controller: true
   28 
   29   "#interrupt-cells":
   30     const: 1
   31     description:
   32       The number of cells to define the interrupts.  It must be 1 as the
   33       VIC has no configuration options for interrupt sources. The single
   34       cell defines the interrupt number.
   35 
   36   reg:
   37     maxItems: 1
   38 
   39   interrupts:
   40     maxItems: 1
   41 
   42   valid-mask:
   43     description:
   44       A one cell big bit mask of valid interrupt sources. Each bit
   45       represents single interrupt source, starting from source 0 at
   46       LSb and ending at source 31 at MSb. A bit that is set means
   47       that the source is wired and clear means otherwise. If unspecified,
   48       defaults to all valid.
   49     $ref: /schemas/types.yaml#/definitions/uint32
   50 
   51   valid-wakeup-mask:
   52     description:
   53       A one cell big bit mask of interrupt sources that can be configured
   54       as wake up source for the system. Order of bits is the same as for
   55       valid-mask property. A set bit means that this interrupt source
   56       can be configured as a wake up source for the system. If unspecied,
   57       defaults to all interrupt sources configurable as wake up sources.
   58     $ref: /schemas/types.yaml#/definitions/uint32
   59 
   60 required:
   61   - compatible
   62   - reg
   63   - interrupt-controller
   64   - "#interrupt-cells"
   65 
   66 additionalProperties: false
   67 
   68 examples:
   69   - |
   70     // PL192 VIC
   71     vic0: interrupt-controller@60000 {
   72       compatible = "arm,pl192-vic";
   73       interrupt-controller;
   74       #interrupt-cells = <1>;
   75       reg = <0x60000 0x1000>;
   76 
   77       valid-mask = <0xffffff7f>;
   78       valid-wakeup-mask = <0x0000ff7f>;
   79     };
   80 
   81 ...

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