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
  7title: STM32 External Interrupt Controller
  8
  9maintainers:
 10  - Alexandre Torgue <alexandre.torgue@foss.st.com>
 11  - Ludovic Barre <ludovic.barre@foss.st.com>
 12
 13properties:
 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
 45required:
 46  - "#interrupt-cells"
 47  - compatible
 48  - reg
 49  - interrupt-controller
 50
 51allOf:
 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
 80additionalProperties: false
 81
 82examples:
 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
101...