xref: /linux/Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml (revision 6e7fd890f1d6ac83805409e9c346240de2705584) 
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,mt7622-efuse
30              - mediatek,mt7623-efuse
31              - mediatek,mt7981-efuse
32              - mediatek,mt7986-efuse
33              - mediatek,mt7988-efuse
34              - mediatek,mt8173-efuse
35              - mediatek,mt8183-efuse
36              - mediatek,mt8186-efuse
37              - mediatek,mt8188-efuse
38              - mediatek,mt8192-efuse
39              - mediatek,mt8195-efuse
40              - mediatek,mt8516-efuse
41          - const: mediatek,efuse
42      - const: mediatek,mt8173-efuse
43        deprecated: true
44
45  reg:
46    maxItems: 1
47
48required:
49  - compatible
50  - reg
51
52unevaluatedProperties: false
53
54examples:
55  - |
56    efuse@11c10000 {
57        compatible = "mediatek,mt8195-efuse", "mediatek,efuse";
58        reg = <0x11c10000 0x1000>;
59        #address-cells = <1>;
60        #size-cells = <1>;
61
62        u3_tx_imp_p0: usb3-tx-imp@184,1 {
63            reg = <0x184 0x1>;
64            bits = <0 5>;
65        };
66        u3_rx_imp_p0: usb3-rx-imp@184,2 {
67            reg = <0x184 0x2>;
68            bits = <5 5>;
69        };
70        u3_intr_p0: usb3-intr@185 {
71            reg = <0x185 0x1>;
72            bits = <2 6>;
73        };
74        comb_tx_imp_p1: usb3-tx-imp@186,1 {
75            reg = <0x186 0x1>;
76            bits = <0 5>;
77        };
78        comb_rx_imp_p1: usb3-rx-imp@186,2 {
79            reg = <0x186 0x2>;
80            bits = <5 5>;
81        };
82        comb_intr_p1: usb3-intr@187 {
83            reg = <0x187 0x1>;
84            bits = <2 6>;
85        };
86        u2_intr_p0: usb2-intr-p0@188,1 {
87            reg = <0x188 0x1>;
88            bits = <0 5>;
89        };
90        u2_intr_p1: usb2-intr-p1@188,2 {
91            reg = <0x188 0x2>;
92            bits = <5 5>;
93        };
94    };
95