xref: /linux/Documentation/devicetree/bindings/soc/mediatek/devapc.yaml (revision 24bce201d79807b668bf9d9e0aca801c5c0d5f78) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2# # Copyright 2020 MediaTek Inc.
3%YAML 1.2
4---
5$id: "http://devicetree.org/schemas/soc/mediatek/devapc.yaml#"
6$schema: "http://devicetree.org/meta-schemas/core.yaml#"
7
8title: MediaTek Device Access Permission Control driver
9
10description: |
11  MediaTek bus fabric provides TrustZone security support and data
12  protection to prevent slaves from being accessed by unexpected masters.
13  The security violation is logged and sent to the processor for further
14  analysis and countermeasures.
15
16maintainers:
17  - Neal Liu <neal.liu@mediatek.com>
18
19properties:
20  compatible:
21    enum:
22      - mediatek,mt6779-devapc
23
24  reg:
25    description: The base address of devapc register bank
26    maxItems: 1
27
28  interrupts:
29    description: A single interrupt specifier
30    maxItems: 1
31
32  clocks:
33    description: Contains module clock source and clock names
34    maxItems: 1
35
36  clock-names:
37    description: Names of the clocks list in clocks property
38    maxItems: 1
39
40required:
41  - compatible
42  - reg
43  - interrupts
44  - clocks
45  - clock-names
46
47additionalProperties: false
48
49examples:
50  - |
51    #include <dt-bindings/interrupt-controller/arm-gic.h>
52    #include <dt-bindings/clock/mt6779-clk.h>
53
54    devapc: devapc@10207000 {
55      compatible = "mediatek,mt6779-devapc";
56      reg = <0x10207000 0x1000>;
57      interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_LOW>;
58      clocks = <&infracfg_ao CLK_INFRA_DEVICE_APC>;
59      clock-names = "devapc-infra-clock";
60    };
61