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