0001 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
0002 # # Copyright 2020 MediaTek Inc.
0003 %YAML 1.2
0004 ---
0005 $id: "http://devicetree.org/schemas/soc/mediatek/devapc.yaml#"
0006 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
0007
0008 title: MediaTek Device Access Permission Control driver
0009
0010 description: |
0011 MediaTek bus fabric provides TrustZone security support and data
0012 protection to prevent slaves from being accessed by unexpected masters.
0013 The security violation is logged and sent to the processor for further
0014 analysis and countermeasures.
0015
0016 maintainers:
0017 - Neal Liu <neal.liu@mediatek.com>
0018
0019 properties:
0020 compatible:
0021 enum:
0022 - mediatek,mt6779-devapc
0023 - mediatek,mt8186-devapc
0024
0025 reg:
0026 description: The base address of devapc register bank
0027 maxItems: 1
0028
0029 interrupts:
0030 description: A single interrupt specifier
0031 maxItems: 1
0032
0033 clocks:
0034 description: Contains module clock source and clock names
0035 maxItems: 1
0036
0037 clock-names:
0038 description: Names of the clocks list in clocks property
0039 maxItems: 1
0040
0041 required:
0042 - compatible
0043 - reg
0044 - interrupts
0045 - clocks
0046 - clock-names
0047
0048 additionalProperties: false
0049
0050 examples:
0051 - |
0052 #include <dt-bindings/interrupt-controller/arm-gic.h>
0053 #include <dt-bindings/clock/mt6779-clk.h>
0054
0055 devapc: devapc@10207000 {
0056 compatible = "mediatek,mt6779-devapc";
0057 reg = <0x10207000 0x1000>;
0058 interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_LOW>;
0059 clocks = <&infracfg_ao CLK_INFRA_DEVICE_APC>;
0060 clock-names = "devapc-infra-clock";
0061 };
