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Anson Huang8b2251f2020-04-21 22:09:39 +08001# 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.MX6 On-Chip OTP Controller (OCOTP) device tree bindings
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 and i.MX8MP SoCs.
16
17allOf:
18 - $ref: "nvmem.yaml#"
19
20properties:
21 compatible:
22 items:
23 - enum:
Rob Herringf516fb72020-04-20 21:24:47 -050024 - fsl,imx6q-ocotp
25 - fsl,imx6sl-ocotp
26 - fsl,imx6sx-ocotp
27 - fsl,imx6ul-ocotp
28 - fsl,imx6ull-ocotp
29 - fsl,imx7d-ocotp
30 - fsl,imx6sll-ocotp
31 - fsl,imx7ulp-ocotp
32 - fsl,imx8mq-ocotp
33 - fsl,imx8mm-ocotp
34 - fsl,imx8mn-ocotp
35 - fsl,imx8mp-ocotp
Anson Huang8b2251f2020-04-21 22:09:39 +080036 - const: syscon
37
38 reg:
39 maxItems: 1
40
41 "#address-cells":
42 const: 1
43
44 "#size-cells":
45 const: 1
46
47 clocks:
48 maxItems: 1
49
50required:
51 - "#address-cells"
52 - "#size-cells"
53 - compatible
54 - reg
55
56patternProperties:
57 "^.*@[0-9a-f]+$":
58 type: object
59
60 properties:
61 reg:
62 maxItems: 1
63 description:
64 Offset and size in bytes within the storage device.
65
66 required:
67 - reg
68
69 additionalProperties: false
70
71examples:
72 - |
73 #include <dt-bindings/clock/imx6sx-clock.h>
74
75 ocotp: efuse@21bc000 {
76 #address-cells = <1>;
77 #size-cells = <1>;
78 compatible = "fsl,imx6sx-ocotp", "syscon";
79 reg = <0x021bc000 0x4000>;
80 clocks = <&clks IMX6SX_CLK_OCOTP>;
81
82 cpu_speed_grade: speed-grade@10 {
83 reg = <0x10 4>;
84 };
85
86 tempmon_calib: calib@38 {
87 reg = <0x38 4>;
88 };
89
90 tempmon_temp_grade: temp-grade@20 {
91 reg = <0x20 4>;
92 };
93 };
94
95...