| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/nvmem/apple,efuses.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Apple SoC eFuse-based NVMEM |
| 8 | |
| 9 | description: | |
| 10 | Apple SoCs such as the M1 contain factory-programmed eFuses used to e.g. store |
| 11 | calibration data for the PCIe and the Type-C PHY or unique chip identifiers |
| 12 | such as the ECID. |
| 13 | |
| 14 | maintainers: |
| 15 | - Sven Peter <sven@svenpeter.dev> |
| 16 | |
| 17 | allOf: |
| 18 | - $ref: nvmem.yaml# |
| 19 | - $ref: nvmem-deprecated-cells.yaml# |
| 20 | |
| 21 | properties: |
| 22 | compatible: |
| 23 | items: |
| 24 | - enum: |
| 25 | - apple,t8103-efuses |
| 26 | - apple,t6000-efuses |
| 27 | - const: apple,efuses |
| 28 | |
| 29 | reg: |
| 30 | maxItems: 1 |
| 31 | |
| 32 | required: |
| 33 | - compatible |
| 34 | - reg |
| 35 | |
| 36 | unevaluatedProperties: false |
| 37 | |
| 38 | examples: |
| 39 | - | |
| 40 | efuse@3d2bc000 { |
| 41 | compatible = "apple,t8103-efuses", "apple,efuses"; |
| 42 | reg = <0x3d2bc000 0x1000>; |
| 43 | #address-cells = <1>; |
| 44 | #size-cells = <1>; |
| 45 | |
| 46 | ecid: efuse@500 { |
| 47 | reg = <0x500 0x8>; |
| 48 | }; |
| 49 | }; |
| 50 | |
| 51 | ... |