xref: /linux/Documentation/devicetree/bindings/nvmem/imx-ocotp.yaml (revision d30c1683aaecb93d2ab95685dc4300a33d3cea7a) 
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, i.MX93, i.MX94,
18  and i.MX95.
19
20allOf:
21  - $ref: nvmem.yaml#
22  - $ref: nvmem-deprecated-cells.yaml#
23
24properties:
25  compatible:
26    oneOf:
27      - items:
28          - enum:
29              - fsl,imx6q-ocotp
30              - fsl,imx6sl-ocotp
31              - fsl,imx6sx-ocotp
32              - fsl,imx6ul-ocotp
33              - fsl,imx6ull-ocotp
34              - fsl,imx7d-ocotp
35              - fsl,imx6sll-ocotp
36              - fsl,imx7ulp-ocotp
37              - fsl,imx8mq-ocotp
38              - fsl,imx8mm-ocotp
39              - fsl,imx93-ocotp
40              - fsl,imx94-ocotp
41              - fsl,imx95-ocotp
42          - const: syscon
43      - items:
44          - enum:
45              - fsl,imx8mn-ocotp
46              # i.MX8MP not really compatible with fsl,imx8mm-ocotp, however
47              # the code for getting SoC revision depends on fsl,imx8mm-ocotp
48              # compatible.
49              - fsl,imx8mp-ocotp
50          - const: fsl,imx8mm-ocotp
51          - const: syscon
52
53  reg:
54    maxItems: 1
55
56  clocks:
57    maxItems: 1
58
59required:
60  - "#address-cells"
61  - "#size-cells"
62  - compatible
63  - reg
64
65unevaluatedProperties: false
66
67examples:
68  - |
69    #include <dt-bindings/clock/imx6sx-clock.h>
70
71    ocotp: efuse@21bc000 {
72        #address-cells = <1>;
73        #size-cells = <1>;
74        compatible = "fsl,imx6sx-ocotp", "syscon";
75        reg = <0x021bc000 0x4000>;
76        clocks = <&clks IMX6SX_CLK_OCOTP>;
77
78        cpu_speed_grade: speed-grade@10 {
79            reg = <0x10 4>;
80        };
81
82        tempmon_calib: calib@38 {
83            reg = <0x38 4>;
84        };
85
86        tempmon_temp_grade: temp-grade@20 {
87            reg = <0x20 4>;
88        };
89    };
90
91...
92