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 7title: Apple SoC eFuse-based NVMEM 8 9description: | 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 14maintainers: 15 - Sven Peter <sven@svenpeter.dev> 16 17allOf: 18 - $ref: "nvmem.yaml#" 19 20properties: 21 compatible: 22 items: 23 - enum: 24 - apple,t8103-efuses 25 - apple,t6000-efuses 26 - const: apple,efuses 27 28 reg: 29 maxItems: 1 30 31required: 32 - compatible 33 - reg 34 35unevaluatedProperties: false 36 37examples: 38 - | 39 efuse@3d2bc000 { 40 compatible = "apple,t8103-efuses", "apple,efuses"; 41 reg = <0x3d2bc000 0x1000>; 42 #address-cells = <1>; 43 #size-cells = <1>; 44 45 ecid: efuse@500 { 46 reg = <0x500 0x8>; 47 }; 48 }; 49 50... 51