Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | |
| 8 | title: MediaTek Device Access Permission Control driver |
| 9 | |
| 10 | description: | |
| 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 | |
| 16 | maintainers: |
| 17 | - Neal Liu <neal.liu@mediatek.com> |
| 18 | |
| 19 | properties: |
| 20 | compatible: |
| 21 | enum: |
| 22 | - mediatek,mt6779-devapc |
| 23 | - mediatek,mt8186-devapc |
| 24 | |
| 25 | reg: |
| 26 | description: The base address of devapc register bank |
| 27 | maxItems: 1 |
| 28 | |
| 29 | interrupts: |
| 30 | description: A single interrupt specifier |
| 31 | maxItems: 1 |
| 32 | |
| 33 | clocks: |
| 34 | description: Contains module clock source and clock names |
| 35 | maxItems: 1 |
| 36 | |
| 37 | clock-names: |
| 38 | description: Names of the clocks list in clocks property |
| 39 | maxItems: 1 |
| 40 | |
| 41 | required: |
| 42 | - compatible |
| 43 | - reg |
| 44 | - interrupts |
| 45 | - clocks |
| 46 | - clock-names |
| 47 | |
| 48 | additionalProperties: false |
| 49 | |
| 50 | examples: |
| 51 | - | |
| 52 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 53 | #include <dt-bindings/clock/mt6779-clk.h> |
| 54 | |
| 55 | devapc: devapc@10207000 { |
| 56 | compatible = "mediatek,mt6779-devapc"; |
| 57 | reg = <0x10207000 0x1000>; |
| 58 | interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_LOW>; |
| 59 | clocks = <&infracfg_ao CLK_INFRA_DEVICE_APC>; |
| 60 | clock-names = "devapc-infra-clock"; |
| 61 | }; |