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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright (C) 2015, 2024, Intel Corporation
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/altr,msi-controller.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Altera PCIe MSI controller
+
+maintainers:
+ - Matthew Gerlach <matthew.gerlach@linux.intel.com>
+
+properties:
+ compatible:
+ enum:
+ - altr,msi-1.0
+
+ reg:
+ items:
+ - description: CSR registers
+ - description: Vectors slave port region
+
+ reg-names:
+ items:
+ - const: csr
+ - const: vector_slave
+
+ interrupts:
+ maxItems: 1
+
+ msi-controller: true
+
+ num-vectors:
+ description: number of vectors
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 1
+ maximum: 32
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - interrupts
+ - msi-controller
+ - num-vectors
+
+allOf:
+ - $ref: /schemas/interrupt-controller/msi-controller.yaml#
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ msi@ff200000 {
+ compatible = "altr,msi-1.0";
+ reg = <0xff200000 0x00000010>,
+ <0xff200010 0x00000080>;
+ reg-names = "csr", "vector_slave";
+ interrupt-parent = <&hps_0_arm_gic_0>;
+ interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>;
+ msi-controller;
+ num-vectors = <32>;
+ };