xref: /linux/Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml (revision 53aa930dc4bae6aa269951bd37103083145d6691) 
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,mt8192-efuse
34              - mediatek,mt8195-efuse
35              - mediatek,mt8516-efuse
36          - const: mediatek,efuse
37      - const: mediatek,mt8173-efuse
38        deprecated: true
39
40  reg:
41    maxItems: 1
42
43required:
44  - compatible
45  - reg
46
47unevaluatedProperties: false
48
49examples:
50  - |
51    efuse@11c10000 {
52        compatible = "mediatek,mt8195-efuse", "mediatek,efuse";
53        reg = <0x11c10000 0x1000>;
54        #address-cells = <1>;
55        #size-cells = <1>;
56
57        u3_tx_imp_p0: usb3-tx-imp@184,1 {
58            reg = <0x184 0x1>;
59            bits = <0 5>;
60        };
61        u3_rx_imp_p0: usb3-rx-imp@184,2 {
62            reg = <0x184 0x2>;
63            bits = <5 5>;
64        };
65        u3_intr_p0: usb3-intr@185 {
66            reg = <0x185 0x1>;
67            bits = <2 6>;
68        };
69        comb_tx_imp_p1: usb3-tx-imp@186,1 {
70            reg = <0x186 0x1>;
71            bits = <0 5>;
72        };
73        comb_rx_imp_p1: usb3-rx-imp@186,2 {
74            reg = <0x186 0x2>;
75            bits = <5 5>;
76        };
77        comb_intr_p1: usb3-intr@187 {
78            reg = <0x187 0x1>;
79            bits = <2 6>;
80        };
81        u2_intr_p0: usb2-intr-p0@188,1 {
82            reg = <0x188 0x1>;
83            bits = <0 5>;
84        };
85        u2_intr_p1: usb2-intr-p1@188,2 {
86            reg = <0x188 0x2>;
87            bits = <5 5>;
88        };
89    };
90