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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
# # Copyright 2020 MediaTek Inc.
%YAML 1.2
---
$id: "http://devicetree.org/schemas/soc/mediatek/devapc.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: MediaTek Device Access Permission Control driver
description: |
MediaTek bus fabric provides TrustZone security support and data
protection to prevent slaves from being accessed by unexpected masters.
The security violation is logged and sent to the processor for further
analysis and countermeasures.
maintainers:
- Neal Liu <neal.liu@mediatek.com>
properties:
compatible:
enum:
- mediatek,mt6779-devapc
- mediatek,mt8186-devapc
reg:
description: The base address of devapc register bank
maxItems: 1
interrupts:
description: A single interrupt specifier
maxItems: 1
clocks:
description: Contains module clock source and clock names
maxItems: 1
clock-names:
description: Names of the clocks list in clocks property
maxItems: 1
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/mt6779-clk.h>
devapc: devapc@10207000 {
compatible = "mediatek,mt6779-devapc";
reg = <0x10207000 0x1000>;
interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_LOW>;
clocks = <&infracfg_ao CLK_INFRA_DEVICE_APC>;
clock-names = "devapc-infra-clock";
};
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