xref: /linux/Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml (revision 5d2d4a9f603a47403395408f64b1261ca61f6d50) 
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,mt7986-efuse
32              - mediatek,mt8173-efuse
33              - mediatek,mt8183-efuse
34              - mediatek,mt8186-efuse
35              - mediatek,mt8188-efuse
36              - mediatek,mt8192-efuse
37              - mediatek,mt8195-efuse
38              - mediatek,mt8516-efuse
39          - const: mediatek,efuse
40      - const: mediatek,mt8173-efuse
41        deprecated: true
42
43  reg:
44    maxItems: 1
45
46required:
47  - compatible
48  - reg
49
50unevaluatedProperties: false
51
52examples:
53  - |
54    efuse@11c10000 {
55        compatible = "mediatek,mt8195-efuse", "mediatek,efuse";
56        reg = <0x11c10000 0x1000>;
57        #address-cells = <1>;
58        #size-cells = <1>;
59
60        u3_tx_imp_p0: usb3-tx-imp@184,1 {
61            reg = <0x184 0x1>;
62            bits = <0 5>;
63        };
64        u3_rx_imp_p0: usb3-rx-imp@184,2 {
65            reg = <0x184 0x2>;
66            bits = <5 5>;
67        };
68        u3_intr_p0: usb3-intr@185 {
69            reg = <0x185 0x1>;
70            bits = <2 6>;
71        };
72        comb_tx_imp_p1: usb3-tx-imp@186,1 {
73            reg = <0x186 0x1>;
74            bits = <0 5>;
75        };
76        comb_rx_imp_p1: usb3-rx-imp@186,2 {
77            reg = <0x186 0x2>;
78            bits = <5 5>;
79        };
80        comb_intr_p1: usb3-intr@187 {
81            reg = <0x187 0x1>;
82            bits = <2 6>;
83        };
84        u2_intr_p0: usb2-intr-p0@188,1 {
85            reg = <0x188 0x1>;
86            bits = <0 5>;
87        };
88        u2_intr_p1: usb2-intr-p1@188,2 {
89            reg = <0x188 0x2>;
90            bits = <5 5>;
91        };
92    };
93