microchip,eic.yaml

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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/interrupt-controller/microchip,eic.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Microchip External Interrupt Controller
    8 
    9 maintainers:
   10   - Claudiu Beznea <claudiu.beznea@microchip.com>
   11 
   12 description:
   13   This interrupt controller is found in Microchip SoCs (SAMA7G5) and provides
   14   support for handling up to 2 external interrupt lines.
   15 
   16 properties:
   17   compatible:
   18     enum:
   19       - microchip,sama7g5-eic
   20 
   21   reg:
   22     maxItems: 1
   23 
   24   interrupt-controller: true
   25 
   26   '#interrupt-cells':
   27     const: 2
   28     description:
   29       The first cell is the input IRQ number (between 0 and 1), the second cell
   30       is the trigger type as defined in interrupt.txt present in this directory.
   31 
   32   interrupts:
   33     description: |
   34       Contains the GIC SPI IRQs mapped to the external interrupt lines. They
   35       should be specified sequentially from output 0 to output 1.
   36     minItems: 2
   37     maxItems: 2
   38 
   39   clocks:
   40     maxItems: 1
   41 
   42   clock-names:
   43     const: pclk
   44 
   45 required:
   46   - compatible
   47   - reg
   48   - interrupt-controller
   49   - '#interrupt-cells'
   50   - interrupts
   51   - clocks
   52   - clock-names
   53 
   54 additionalProperties: false
   55 
   56 examples:
   57   - |
   58     #include <dt-bindings/clock/at91.h>
   59     #include <dt-bindings/interrupt-controller/arm-gic.h>
   60 
   61     eic: interrupt-controller@e1628000 {
   62       compatible = "microchip,sama7g5-eic";
   63       reg = <0xe1628000 0x100>;
   64       interrupt-parent = <&gic>;
   65       interrupt-controller;
   66       #interrupt-cells = <2>;
   67       interrupts = <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>,
   68                    <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>;
   69       clocks = <&pmc PMC_TYPE_PERIPHERAL 37>;
   70       clock-names = "pclk";
   71     };
   72 
   73 ...

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