xref: /linux/Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml (revision cec24b8b6bb841a19b5c5555b600a511a8988100) 
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
20properties:
21  $nodename:
22    pattern: "^efuse@[0-9a-f]+$"
23
24  compatible:
25    oneOf:
26      - items:
27          - enum:
28              - mediatek,mt7622-efuse
29              - mediatek,mt7623-efuse
30              - mediatek,mt8173-efuse
31              - mediatek,mt8183-efuse
32              - mediatek,mt8186-efuse
33              - mediatek,mt8188-efuse
34              - mediatek,mt8192-efuse
35              - mediatek,mt8195-efuse
36              - mediatek,mt8516-efuse
37          - const: mediatek,efuse
38      - const: mediatek,mt8173-efuse
39        deprecated: true
40
41  reg:
42    maxItems: 1
43
44required:
45  - compatible
46  - reg
47
48unevaluatedProperties: false
49
50examples:
51  - |
52    efuse@11c10000 {
53        compatible = "mediatek,mt8195-efuse", "mediatek,efuse";
54        reg = <0x11c10000 0x1000>;
55        #address-cells = <1>;
56        #size-cells = <1>;
57
58        u3_tx_imp_p0: usb3-tx-imp@184,1 {
59            reg = <0x184 0x1>;
60            bits = <0 5>;
61        };
62        u3_rx_imp_p0: usb3-rx-imp@184,2 {
63            reg = <0x184 0x2>;
64            bits = <5 5>;
65        };
66        u3_intr_p0: usb3-intr@185 {
67            reg = <0x185 0x1>;
68            bits = <2 6>;
69        };
70        comb_tx_imp_p1: usb3-tx-imp@186,1 {
71            reg = <0x186 0x1>;
72            bits = <0 5>;
73        };
74        comb_rx_imp_p1: usb3-rx-imp@186,2 {
75            reg = <0x186 0x2>;
76            bits = <5 5>;
77        };
78        comb_intr_p1: usb3-intr@187 {
79            reg = <0x187 0x1>;
80            bits = <2 6>;
81        };
82        u2_intr_p0: usb2-intr-p0@188,1 {
83            reg = <0x188 0x1>;
84            bits = <0 5>;
85        };
86        u2_intr_p1: usb2-intr-p1@188,2 {
87            reg = <0x188 0x2>;
88            bits = <5 5>;
89        };
90    };
91