xref: /linux/Documentation/devicetree/bindings/nvmem/imx-ocotp.yaml (revision 6b93f350e55f3f2ee071dd41109d936abfba8ebf)
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/nvmem/imx-ocotp.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Freescale i.MX On-Chip OTP Controller (OCOTP)
8
9maintainers:
10  - Anson Huang <Anson.Huang@nxp.com>
11
12description: |
13  This binding represents the on-chip eFuse OTP controller found on
14  i.MX6Q/D, i.MX6DL/S, i.MX6SL, i.MX6SX, i.MX6UL, i.MX6ULL/ULZ, i.MX6SLL,
15  i.MX7D/S, i.MX7ULP, i.MX8MQ, i.MX8MM, i.MX8MN i.MX8MP and i.MX93 SoCs.
16
17allOf:
18  - $ref: nvmem.yaml#
19  - $ref: nvmem-deprecated-cells.yaml#
20
21properties:
22  compatible:
23    oneOf:
24      - items:
25          - enum:
26              - fsl,imx6q-ocotp
27              - fsl,imx6sl-ocotp
28              - fsl,imx6sx-ocotp
29              - fsl,imx6ul-ocotp
30              - fsl,imx6ull-ocotp
31              - fsl,imx7d-ocotp
32              - fsl,imx6sll-ocotp
33              - fsl,imx7ulp-ocotp
34              - fsl,imx8mq-ocotp
35              - fsl,imx8mm-ocotp
36              - fsl,imx93-ocotp
37          - const: syscon
38      - items:
39          - enum:
40              - fsl,imx8mn-ocotp
41              # i.MX8MP not really compatible with fsl,imx8mm-ocotp, however
42              # the code for getting SoC revision depends on fsl,imx8mm-ocotp
43              # compatible.
44              - fsl,imx8mp-ocotp
45          - const: fsl,imx8mm-ocotp
46          - const: syscon
47
48  reg:
49    maxItems: 1
50
51  clocks:
52    maxItems: 1
53
54required:
55  - "#address-cells"
56  - "#size-cells"
57  - compatible
58  - reg
59
60unevaluatedProperties: false
61
62examples:
63  - |
64    #include <dt-bindings/clock/imx6sx-clock.h>
65
66    ocotp: efuse@21bc000 {
67        #address-cells = <1>;
68        #size-cells = <1>;
69        compatible = "fsl,imx6sx-ocotp", "syscon";
70        reg = <0x021bc000 0x4000>;
71        clocks = <&clks IMX6SX_CLK_OCOTP>;
72
73        cpu_speed_grade: speed-grade@10 {
74            reg = <0x10 4>;
75        };
76
77        tempmon_calib: calib@38 {
78            reg = <0x38 4>;
79        };
80
81        tempmon_temp_grade: temp-grade@20 {
82            reg = <0x20 4>;
83        };
84    };
85
86...
87