# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/interrupt-controller/chrp,open-pic.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Open PIC Interrupt Controller maintainers: - Rob Herring description: This binding specifies what properties must be available in the device tree representation of an Open PIC compliant interrupt controller. This binding is based on the binding defined for Open PIC in [1] and is a superset of that binding. properties: compatible: oneOf: - items: - const: fsl,mpic - const: chrp,open-pic - const: chrp,open-pic device_type: const: open-pci deprecated: true reg: maxItems: 1 interrupt-controller: true '#address-cells': const: 0 '#interrupt-cells': description: A value of 4 means that interrupt specifiers contain the interrupt-type or type-specific information cells. enum: [ 2, 4 ] pic-no-reset: description: Indicates the PIC shall not be reset during runtime initialization. type: boolean single-cpu-affinity: description: If present, non-IPI interrupts will be routed to a single CPU at a time. type: boolean last-interrupt-source: description: Some MPICs do not correctly report the number of hardware sources in the global feature registers. This value, if specified, overrides the value read from MPIC_GREG_FEATURE_LAST_SRC. $ref: /schemas/types.yaml#/definitions/uint32 required: - compatible - reg - interrupt-controller - '#address-cells' - '#interrupt-cells' additionalProperties: false examples: - | interrupt-controller@40000 { compatible = "chrp,open-pic"; reg = <0x40000 0x40000>; interrupt-controller; #address-cells = <0>; #interrupt-cells = <2>; pic-no-reset; };