Documentation/devicetree/bindings/interrupt-controller/st,stm32-exti.yaml

   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/st,stm32-exti.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: STM32 External Interrupt Controller
   8
   9 maintainers:
  10   - Alexandre Torgue <alexandre.torgue@foss.st.com>
  11   - Ludovic Barre <ludovic.barre@foss.st.com>
  12
  13 properties:
  14   compatible:
  15     oneOf:
  16       - items:
  17           - enum:
  18               - st,stm32-exti
  19               - st,stm32h7-exti
  20       - items:
  21           - enum:
  22               - st,stm32mp1-exti
  23               - st,stm32mp13-exti
  24           - const: syscon
  25
  26   "#interrupt-cells":
  27     const: 2
  28
  29   reg:
  30     maxItems: 1
  31
  32   interrupt-controller: true
  33
  34   hwlocks:
  35     maxItems: 1
  36     description:
  37       Reference to a phandle of a hardware spinlock provider node.
  38
  39   interrupts:
  40     minItems: 1
  41     maxItems: 96
  42     description:
  43       Interrupts references to primary interrupt controller
  44
  45 required:
  46   - "#interrupt-cells"
  47   - compatible
  48   - reg
  49   - interrupt-controller
  50
  51 allOf:
  52   - $ref: /schemas/interrupt-controller.yaml#
  53   - if:
  54       properties:
  55         compatible:
  56           contains:
  57             enum:
  58               - st,stm32-exti
  59     then:
  60       properties:
  61         interrupts:
  62           minItems: 1
  63           maxItems: 32
  64       required:
  65         - interrupts
  66   - if:
  67       properties:
  68         compatible:
  69           contains:
  70             enum:
  71               - st,stm32h7-exti
  72     then:
  73       properties:
  74         interrupts:
  75           minItems: 1
  76           maxItems: 96
  77       required:
  78         - interrupts
  79
  80 additionalProperties: false
  81
  82 examples:
  83   - |
  84     //Example 1
  85     exti1: interrupt-controller@5000d000 {
  86         compatible = "st,stm32mp1-exti", "syscon";
  87         interrupt-controller;
  88         #interrupt-cells = <2>;
  89         reg = <0x5000d000 0x400>;
  90     };
  91
  92     //Example 2
  93     exti2: interrupt-controller@40013c00 {
  94         compatible = "st,stm32-exti";
  95         interrupt-controller;
  96         #interrupt-cells = <2>;
  97         reg = <0x40013C00 0x400>;
  98         interrupts = <1>, <2>, <3>, <6>, <7>, <8>, <9>, <10>, <23>, <40>, <41>, <42>, <62>, <76>;
  99     };
 100
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