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     description:
  40       Interrupts references to primary interrupt controller
  41
  42 required:
  43   - "#interrupt-cells"
  44   - compatible
  45   - reg
  46   - interrupt-controller
  47
  48 allOf:
  49   - $ref: /schemas/interrupt-controller.yaml#
  50   - if:
  51       properties:
  52         compatible:
  53           contains:
  54             enum:
  55               - st,stm32-exti
  56     then:
  57       properties:
  58         interrupts:
  59           minItems: 1
  60           maxItems: 32
  61       required:
  62         - interrupts
  63   - if:
  64       properties:
  65         compatible:
  66           contains:
  67             enum:
  68               - st,stm32h7-exti
  69     then:
  70       properties:
  71         interrupts:
  72           minItems: 1
  73           maxItems: 96
  74       required:
  75         - interrupts
  76
  77 additionalProperties: false
  78
  79 examples:
  80   - |
  81     //Example 1
  82     exti1: interrupt-controller@5000d000 {
  83         compatible = "st,stm32mp1-exti", "syscon";
  84         interrupt-controller;
  85         #interrupt-cells = <2>;
  86         reg = <0x5000d000 0x400>;
  87     };
  88
  89     //Example 2
  90     exti2: interrupt-controller@40013c00 {
  91         compatible = "st,stm32-exti";
  92         interrupt-controller;
  93         #interrupt-cells = <2>;
  94         reg = <0x40013C00 0x400>;
  95         interrupts = <1>, <2>, <3>, <6>, <7>, <8>, <9>, <10>, <23>, <40>, <41>, <42>, <62>, <76>;
  96     };
  97
  98 ...