Bindings/nvmem/imx-ocotp.yaml

   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   - $ref: "nvmem.yaml#"
  19
  20 properties:
  21   compatible:
  22     items:
  23       - enum:
  24         - fsl,imx6q-ocotp
  25         - fsl,imx6sl-ocotp
  26         - fsl,imx6sx-ocotp
  27         - fsl,imx6ul-ocotp
  28         - fsl,imx6ull-ocotp
  29         - fsl,imx7d-ocotp
  30         - fsl,imx6sll-ocotp
  31         - fsl,imx7ulp-ocotp
  32         - fsl,imx8mq-ocotp
  33         - fsl,imx8mm-ocotp
  34         - fsl,imx8mn-ocotp
  35         - fsl,imx8mp-ocotp
  36       - const: syscon
  37
  38   reg:
  39     maxItems: 1
  40
  41   "#address-cells":
  42     const: 1
  43
  44   "#size-cells":
  45     const: 1
  46
  47   clocks:
  48     maxItems: 1
  49
  50 required:
  51   - "#address-cells"
  52   - "#size-cells"
  53   - compatible
  54   - reg
  55
  56 patternProperties:
  57   "^.*@[0-9a-f]+$":
  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
  71 examples:
  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 ...