# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/mailbox/mediatek,mt8196-vcp-mbox.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: MediaTek Video Companion Processor (VCP) mailbox

maintainers:
  - Jjian Zhou <Jjian.Zhou@mediatek.com>

description:
  The MTK VCP mailbox enables the SoC to communicate with the VCP by passing
  messages through 64 32-bit wide registers. It has 32 interrupt vectors in
  either direction for signalling purposes.

properties:
  compatible:
    enum:
      - mediatek,mt8196-vcp-mbox

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1
 
  "#mbox-cells":
    const: 0

required:
  - compatible
  - reg
  - interrupts
  - "#mbox-cells"

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/interrupt-controller/irq.h>
 
    mailbox@31b80000 {
        compatible = "mediatek,mt8196-vcp-mbox";
        reg = <0x31b80000 0x1000>;
        interrupts = <GIC_SPI 789 IRQ_TYPE_LEVEL_HIGH 0>;
        #mbox-cells = <0>;
    };