xref: /linux/Documentation/devicetree/bindings/nvmem/imx-ocotp.yaml (revision f057b57270c2a17d3f45c177e9434fa5745caa48)
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  - Shawn Guo <shawnguo@kernel.org>
11  - Sascha Hauer <s.hauer@pengutronix.de>
12  - Fabio Estevam <festevam@gmail.com>
13
14description: |
15  This binding represents the on-chip eFuse OTP controller found on
16  i.MX6Q/D, i.MX6DL/S, i.MX6SL, i.MX6SX, i.MX6UL, i.MX6ULL/ULZ, i.MX6SLL,
17  i.MX7D/S, i.MX7ULP, i.MX8MQ, i.MX8MM, i.MX8MN i.MX8MP and i.MX93 SoCs.
18
19allOf:
20  - $ref: nvmem.yaml#
21  - $ref: nvmem-deprecated-cells.yaml#
22
23properties:
24  compatible:
25    oneOf:
26      - items:
27          - enum:
28              - fsl,imx6q-ocotp
29              - fsl,imx6sl-ocotp
30              - fsl,imx6sx-ocotp
31              - fsl,imx6ul-ocotp
32              - fsl,imx6ull-ocotp
33              - fsl,imx7d-ocotp
34              - fsl,imx6sll-ocotp
35              - fsl,imx7ulp-ocotp
36              - fsl,imx8mq-ocotp
37              - fsl,imx8mm-ocotp
38              - fsl,imx93-ocotp
39          - const: syscon
40      - items:
41          - enum:
42              - fsl,imx8mn-ocotp
43              # i.MX8MP not really compatible with fsl,imx8mm-ocotp, however
44              # the code for getting SoC revision depends on fsl,imx8mm-ocotp
45              # compatible.
46              - fsl,imx8mp-ocotp
47          - const: fsl,imx8mm-ocotp
48          - const: syscon
49
50  reg:
51    maxItems: 1
52
53  clocks:
54    maxItems: 1
55
56required:
57  - "#address-cells"
58  - "#size-cells"
59  - compatible
60  - reg
61
62unevaluatedProperties: false
63
64examples:
65  - |
66    #include <dt-bindings/clock/imx6sx-clock.h>
67
68    ocotp: efuse@21bc000 {
69        #address-cells = <1>;
70        #size-cells = <1>;
71        compatible = "fsl,imx6sx-ocotp", "syscon";
72        reg = <0x021bc000 0x4000>;
73        clocks = <&clks IMX6SX_CLK_OCOTP>;
74
75        cpu_speed_grade: speed-grade@10 {
76            reg = <0x10 4>;
77        };
78
79        tempmon_calib: calib@38 {
80            reg = <0x38 4>;
81        };
82
83        tempmon_temp_grade: temp-grade@20 {
84            reg = <0x20 4>;
85        };
86    };
87
88...
89