| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | |
| Tom Rini | 762f85b | 2024-07-20 11:15:10 -0600 | [diff] [blame] | 92 | - | |
| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 93 | //Example 2 |
| Tom Rini | 762f85b | 2024-07-20 11:15:10 -0600 | [diff] [blame] | 94 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 95 | exti2: interrupt-controller@5000d000 { |
| 96 | compatible = "st,stm32mp1-exti", "syscon"; |
| 97 | interrupt-controller; |
| 98 | #interrupt-cells = <2>; |
| 99 | reg = <0x5000d000 0x400>; |
| 100 | interrupts-extended = |
| 101 | <&intc GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>, |
| 102 | <0>, |
| 103 | <&intc GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>; |
| 104 | }; |
| 105 | |
| 106 | - | |
| 107 | //Example 3 |
| 108 | exti3: interrupt-controller@40013c00 { |
| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 109 | compatible = "st,stm32-exti"; |
| 110 | interrupt-controller; |
| 111 | #interrupt-cells = <2>; |
| 112 | reg = <0x40013C00 0x400>; |
| 113 | interrupts = <1>, <2>, <3>, <6>, <7>, <8>, <9>, <10>, <23>, <40>, <41>, <42>, <62>, <76>; |
| 114 | }; |
| 115 | |
| 116 | ... |