Documentation/devicetree/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.MX On-Chip OTP Controller (OCOTP)
   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 i.MX8MP and i.MX93 SoCs.
  16
  17 allOf:
  18   - $ref: nvmem.yaml#
  19   - $ref: nvmem-deprecated-cells.yaml#
  20
  21 properties:
  22   compatible:
  23     oneOf:
  24       - items:
  25           - enum:
  26               - fsl,imx6q-ocotp
  27               - fsl,imx6sl-ocotp
  28               - fsl,imx6sx-ocotp
  29               - fsl,imx6ul-ocotp
  30               - fsl,imx6ull-ocotp
  31               - fsl,imx7d-ocotp
  32               - fsl,imx6sll-ocotp
  33               - fsl,imx7ulp-ocotp
  34               - fsl,imx8mq-ocotp
  35               - fsl,imx8mm-ocotp
  36               - fsl,imx93-ocotp
  37           - const: syscon
  38       - items:
  39           - enum:
  40               - fsl,imx8mn-ocotp
  41               # i.MX8MP not really compatible with fsl,imx8mm-ocotp, however
  42               # the code for getting SoC revision depends on fsl,imx8mm-ocotp
  43               # compatible.
  44               - fsl,imx8mp-ocotp
  45           - const: fsl,imx8mm-ocotp
  46           - const: syscon
  47
  48   reg:
  49     maxItems: 1
  50
  51   clocks:
  52     maxItems: 1
  53
  54 required:
  55   - "#address-cells"
  56   - "#size-cells"
  57   - compatible
  58   - reg
  59
  60 unevaluatedProperties: false
  61
  62 examples:
  63   - |
  64     #include <dt-bindings/clock/imx6sx-clock.h>
  65
  66     ocotp: efuse@21bc000 {
  67         #address-cells = <1>;
  68         #size-cells = <1>;
  69         compatible = "fsl,imx6sx-ocotp", "syscon";
  70         reg = <0x021bc000 0x4000>;
  71         clocks = <&clks IMX6SX_CLK_OCOTP>;
  72
  73         cpu_speed_grade: speed-grade@10 {
  74             reg = <0x10 4>;
  75         };
  76
  77         tempmon_calib: calib@38 {
  78             reg = <0x38 4>;
  79         };
  80
  81         tempmon_temp_grade: temp-grade@20 {
  82             reg = <0x20 4>;
  83         };
  84     };
  85
  86 ...