xref: /linux/Documentation/devicetree/bindings/nvmem/imx-ocotp.yaml (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0) 
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.MX93/5 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              - fsl,imx95-ocotp
40          - const: syscon
41      - items:
42          - enum:
43              - fsl,imx8mn-ocotp
44              # i.MX8MP not really compatible with fsl,imx8mm-ocotp, however
45              # the code for getting SoC revision depends on fsl,imx8mm-ocotp
46              # compatible.
47              - fsl,imx8mp-ocotp
48          - const: fsl,imx8mm-ocotp
49          - const: syscon
50
51  reg:
52    maxItems: 1
53
54  clocks:
55    maxItems: 1
56
57required:
58  - "#address-cells"
59  - "#size-cells"
60  - compatible
61  - reg
62
63unevaluatedProperties: false
64
65examples:
66  - |
67    #include <dt-bindings/clock/imx6sx-clock.h>
68
69    ocotp: efuse@21bc000 {
70        #address-cells = <1>;
71        #size-cells = <1>;
72        compatible = "fsl,imx6sx-ocotp", "syscon";
73        reg = <0x021bc000 0x4000>;
74        clocks = <&clks IMX6SX_CLK_OCOTP>;
75
76        cpu_speed_grade: speed-grade@10 {
77            reg = <0x10 4>;
78        };
79
80        tempmon_calib: calib@38 {
81            reg = <0x38 4>;
82        };
83
84        tempmon_temp_grade: temp-grade@20 {
85            reg = <0x20 4>;
86        };
87    };
88
89...
90