imx-ocotp.yaml

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    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 
    7 title: Freescale i.MX6 On-Chip OTP Controller (OCOTP) device tree bindings
    8 
    9 maintainers:
   10   - Anson Huang <Anson.Huang@nxp.com>
   11 
   12 description: |
   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 
   17 allOf:
   18   - $ref: "nvmem.yaml#"
   19 
   20 properties:
   21   compatible:
   22     oneOf:
   23       - items:
   24           - enum:
   25               - fsl,imx6q-ocotp
   26               - fsl,imx6sl-ocotp
   27               - fsl,imx6sx-ocotp
   28               - fsl,imx6ul-ocotp
   29               - fsl,imx6ull-ocotp
   30               - fsl,imx7d-ocotp
   31               - fsl,imx6sll-ocotp
   32               - fsl,imx7ulp-ocotp
   33               - fsl,imx8mq-ocotp
   34               - fsl,imx8mm-ocotp
   35           - const: syscon
   36       - items:
   37           - enum:
   38               - fsl,imx8mn-ocotp
   39               # i.MX8MP not really compatible with fsl,imx8mm-ocotp, however
   40               # the code for getting SoC revision depends on fsl,imx8mm-ocotp
   41               # compatible.
   42               - fsl,imx8mp-ocotp
   43           - const: fsl,imx8mm-ocotp
   44           - const: syscon
   45 
   46   reg:
   47     maxItems: 1
   48 
   49   "#address-cells":
   50     const: 1
   51 
   52   "#size-cells":
   53     const: 1
   54 
   55   clocks:
   56     maxItems: 1
   57 
   58 required:
   59   - "#address-cells"
   60   - "#size-cells"
   61   - compatible
   62   - reg
   63 
   64 patternProperties:
   65   "^.*@[0-9a-f]+$":
   66     type: object
   67 
   68     properties:
   69       reg:
   70         maxItems: 1
   71         description:
   72           Offset and size in bytes within the storage device.
   73 
   74     required:
   75       - reg
   76 
   77     additionalProperties: false
   78 
   79 unevaluatedProperties: false
   80 
   81 examples:
   82   - |
   83     #include <dt-bindings/clock/imx6sx-clock.h>
   84 
   85     ocotp: efuse@21bc000 {
   86         #address-cells = <1>;
   87         #size-cells = <1>;
   88         compatible = "fsl,imx6sx-ocotp", "syscon";
   89         reg = <0x021bc000 0x4000>;
   90         clocks = <&clks IMX6SX_CLK_OCOTP>;
   91 
   92         cpu_speed_grade: speed-grade@10 {
   93             reg = <0x10 4>;
   94         };
   95 
   96         tempmon_calib: calib@38 {
   97             reg = <0x38 4>;
   98         };
   99 
  100         tempmon_temp_grade: temp-grade@20 {
  101             reg = <0x20 4>;
  102         };
  103     };
  104 
  105 ...

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/nvmem/imx-ocotp.yaml

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sys/contrib/device-tree/Bindings/nvmem/imx-ocotp.yaml