Documentation/devicetree/bindings/nvmem/qcom,sec-qfprom.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/nvmem/qcom,sec-qfprom.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Qualcomm Technologies Inc, Secure QFPROM Efuse
   8
   9 maintainers:
  10   - Komal Bajaj <quic_kbajaj@quicinc.com>
  11
  12 description:
  13   For some of the Qualcomm SoC's, it is possible that the qfprom region is
  14   protected from non-secure access. In such situations, the OS have to use
  15   secure calls to read the region.
  16
  17 allOf:
  18   - $ref: nvmem.yaml#
  19   - $ref: nvmem-deprecated-cells.yaml#
  20
  21 properties:
  22   compatible:
  23     items:
  24       - enum:
  25           - qcom,qdu1000-sec-qfprom
  26       - const: qcom,sec-qfprom
  27
  28   reg:
  29     items:
  30       - description: The secure qfprom corrected region.
  31
  32 required:
  33   - compatible
  34   - reg
  35
  36 unevaluatedProperties: false
  37
  38 examples:
  39   - |
  40     soc {
  41       #address-cells = <2>;
  42       #size-cells = <2>;
  43
  44       efuse@221c8000 {
  45         compatible = "qcom,qdu1000-sec-qfprom", "qcom,sec-qfprom";
  46         reg = <0 0x221c8000 0 0x1000>;
  47         #address-cells = <1>;
  48         #size-cells = <1>;
  49
  50         multi_chan_ddr: multi-chan-ddr@12b {
  51           reg = <0x12b 0x1>;
  52           bits = <0 2>;
  53         };
  54       };
  55     };
  56