mediatek,efuse.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/nvmem/mediatek,efuse.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: MediaTek efuse
  8
  9description: |
 10  MediaTek's efuse is used for storing calibration data, it can be accessed
 11  on ARM devices usiong I/O mapped memory.
 12
 13maintainers:
 14  - Andrew-CT Chen <andrew-ct.chen@mediatek.com>
 15  - Lala Lin <lala.lin@mediatek.com>
 16
 17allOf:
 18  - $ref: nvmem.yaml#
 19  - $ref: nvmem-deprecated-cells.yaml#
 20
 21properties:
 22  $nodename:
 23    pattern: "^efuse@[0-9a-f]+$"
 24
 25  compatible:
 26    oneOf:
 27      - items:
 28          - enum:
 29              - mediatek,mt8188-efuse
 30              - mediatek,mt8189-efuse
 31          - const: mediatek,mt8186-efuse
 32      - const: mediatek,mt8186-efuse
 33
 34      - items:
 35          - enum:
 36              - mediatek,mt8186-efuse
 37              - mediatek,mt8188-efuse
 38          - const: mediatek,efuse
 39        deprecated: true
 40        description: Some compatibles also imply a decoding scheme for the
 41          "gpu-speedbin" cell, and thus are not backward compatible to the
 42          generic "mediatek,efuse" compatible.
 43
 44      - items:
 45          - enum:
 46              - mediatek,mt7622-efuse
 47              - mediatek,mt7623-efuse
 48              - mediatek,mt7981-efuse
 49              - mediatek,mt7986-efuse
 50              - mediatek,mt7988-efuse
 51              - mediatek,mt8173-efuse
 52              - mediatek,mt8183-efuse
 53              - mediatek,mt8189-efuse
 54              - mediatek,mt8192-efuse
 55              - mediatek,mt8195-efuse
 56              - mediatek,mt8516-efuse
 57          - const: mediatek,efuse
 58      - const: mediatek,mt8173-efuse
 59        deprecated: true
 60
 61  reg:
 62    maxItems: 1
 63
 64required:
 65  - compatible
 66  - reg
 67
 68unevaluatedProperties: false
 69
 70examples:
 71  - |
 72    efuse@11c10000 {
 73        compatible = "mediatek,mt8195-efuse", "mediatek,efuse";
 74        reg = <0x11c10000 0x1000>;
 75        #address-cells = <1>;
 76        #size-cells = <1>;
 77
 78        u3_tx_imp_p0: usb3-tx-imp@184,1 {
 79            reg = <0x184 0x1>;
 80            bits = <0 5>;
 81        };
 82        u3_rx_imp_p0: usb3-rx-imp@184,2 {
 83            reg = <0x184 0x2>;
 84            bits = <5 5>;
 85        };
 86        u3_intr_p0: usb3-intr@185 {
 87            reg = <0x185 0x1>;
 88            bits = <2 6>;
 89        };
 90        comb_tx_imp_p1: usb3-tx-imp@186,1 {
 91            reg = <0x186 0x1>;
 92            bits = <0 5>;
 93        };
 94        comb_rx_imp_p1: usb3-rx-imp@186,2 {
 95            reg = <0x186 0x2>;
 96            bits = <5 5>;
 97        };
 98        comb_intr_p1: usb3-intr@187 {
 99            reg = <0x187 0x1>;
100            bits = <2 6>;
101        };
102        u2_intr_p0: usb2-intr-p0@188,1 {
103            reg = <0x188 0x1>;
104            bits = <0 5>;
105        };
106        u2_intr_p1: usb2-intr-p1@188,2 {
107            reg = <0x188 0x2>;
108            bits = <5 5>;
109        };
110    };