Linux-6.18.2/Documentation/devicetree/bindings/mailbox/mediatek,mt8196-gpueb-mbox.yaml

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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/mailbox/mediatek,mt8196-gpueb-mbox.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: MediaTek MFlexGraphics GPUEB Mailbox Controller
maintainers:
- Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
properties:
compatible:
enum:
- mediatek,mt8196-gpueb-mbox
reg:
items:
- description: mailbox data registers
- description: mailbox control registers
reg-names:
items:
- const: data
- const: ctl
clocks:
items:
- description: main clock of the GPUEB MCU
interrupts:
items:
- description: fires when a new message is received
"#mbox-cells":
const: 1
description:
The number of the mailbox channel.
required:
- compatible
- reg
- reg-names
- clocks
- interrupts
- "#mbox-cells"
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/mediatek,mt8196-clock.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
mailbox@4b09fd80 {
compatible = "mediatek,mt8196-gpueb-mbox";
reg = <0x4b09fd80 0x280>,
<0x4b170000 0x7c>;
reg-names = "data", "ctl";
clocks = <&topckgen CLK_TOP_MFG_EB>;
interrupts = <GIC_SPI 608 IRQ_TYPE_LEVEL_HIGH 0>;
#mbox-cells = <1>;
};