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
  20 properties:
  21   compatible:
  22     items:
  23       - enum:
  24           - qcom,qdu1000-sec-qfprom
  25       - const: qcom,sec-qfprom
  26
  27   reg:
  28     items:
  29       - description: The secure qfprom corrected region.
  30
  31 required:
  32   - compatible
  33   - reg
  34
  35 unevaluatedProperties: false
  36
  37 examples:
  38   - |
  39     soc {
  40       #address-cells = <2>;
  41       #size-cells = <2>;
  42
  43       efuse@221c8000 {
  44         compatible = "qcom,qdu1000-sec-qfprom", "qcom,sec-qfprom";
  45         reg = <0 0x221c8000 0 0x1000>;
  46         #address-cells = <1>;
  47         #size-cells = <1>;
  48
  49         multi_chan_ddr: multi-chan-ddr@12b {
  50           reg = <0x12b 0x1>;
  51           bits = <0 2>;
  52         };
  53       };
  54     };
  55