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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/interrupt-controller/st,stm32-exti.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: STM32 External Interrupt Controller
maintainers:
- Alexandre Torgue <alexandre.torgue@foss.st.com>
- Ludovic Barre <ludovic.barre@foss.st.com>
properties:
compatible:
oneOf:
- items:
- enum:
- st,stm32-exti
- st,stm32h7-exti
- items:
- enum:
- st,stm32mp1-exti
- st,stm32mp13-exti
- const: syscon
"#interrupt-cells":
const: 2
reg:
maxItems: 1
interrupt-controller: true
hwlocks:
maxItems: 1
description:
Reference to a phandle of a hardware spinlock provider node.
interrupts:
minItems: 1
maxItems: 96
description:
Interrupts references to primary interrupt controller
required:
- "#interrupt-cells"
- compatible
- reg
- interrupt-controller
allOf:
- $ref: /schemas/interrupt-controller.yaml#
- if:
properties:
compatible:
contains:
enum:
- st,stm32-exti
then:
properties:
interrupts:
minItems: 1
maxItems: 32
required:
- interrupts
- if:
properties:
compatible:
contains:
enum:
- st,stm32h7-exti
then:
properties:
interrupts:
minItems: 1
maxItems: 96
required:
- interrupts
additionalProperties: false
examples:
- |
//Example 1
exti1: interrupt-controller@5000d000 {
compatible = "st,stm32mp1-exti", "syscon";
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x5000d000 0x400>;
};
- |
//Example 2
#include <dt-bindings/interrupt-controller/arm-gic.h>
exti2: interrupt-controller@5000d000 {
compatible = "st,stm32mp1-exti", "syscon";
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x5000d000 0x400>;
interrupts-extended =
<&intc GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
<0>,
<&intc GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
};
- |
//Example 3
exti3: interrupt-controller@40013c00 {
compatible = "st,stm32-exti";
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x40013C00 0x400>;
interrupts = <1>, <2>, <3>, <6>, <7>, <8>, <9>, <10>, <23>, <40>, <41>, <42>, <62>, <76>;
};
...
|
