Add snapshot of device tree bindings from keystone common kernel, branch "android-mainline-keystone-qcom-release" at c4c12103f9c0 ("Snap for 9228065 from e32903b9a63bb558df8b803b076619c53c16baad to android-mainline-keystone-qcom-release"). Change-Id: I7682079615cbd9f29340a5c1f2a1d84ec441a1f1 Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
52 lines
1.2 KiB
YAML
52 lines
1.2 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/mailbox/mtk,adsp-mbox.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Mediatek ADSP mailbox
|
|
|
|
maintainers:
|
|
- Allen-KH Cheng <Allen-KH.Cheng@mediatek.com>
|
|
|
|
description: |
|
|
The MTK ADSP mailbox Inter-Processor Communication (IPC) enables the SoC
|
|
to communicate with ADSP by passing messages through two mailbox channels.
|
|
The MTK ADSP mailbox IPC also provides the ability for one processor to
|
|
signal the other processor using interrupts.
|
|
|
|
properties:
|
|
compatible:
|
|
enum:
|
|
- mediatek,mt8195-adsp-mbox
|
|
- mediatek,mt8186-adsp-mbox
|
|
|
|
"#mbox-cells":
|
|
const: 0
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
interrupts:
|
|
maxItems: 1
|
|
|
|
required:
|
|
- compatible
|
|
- "#mbox-cells"
|
|
- reg
|
|
- interrupts
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
#include <dt-bindings/interrupt-controller/arm-gic.h>
|
|
#include <dt-bindings/interrupt-controller/irq.h>
|
|
|
|
adsp_mailbox0:mailbox@10816000 {
|
|
compatible = "mediatek,mt8195-adsp-mbox";
|
|
#mbox-cells = <0>;
|
|
reg = <0x10816000 0x1000>;
|
|
interrupts = <GIC_SPI 702 IRQ_TYPE_LEVEL_HIGH 0>;
|
|
};
|