qcom,qfprom.yaml

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    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,qfprom.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Qualcomm Technologies Inc, QFPROM Efuse bindings
    8 
    9 maintainers:
   10   - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
   11 
   12 allOf:
   13   - $ref: "nvmem.yaml#"
   14 
   15 properties:
   16   compatible:
   17     items:
   18       - enum:
   19           - qcom,apq8064-qfprom
   20           - qcom,apq8084-qfprom
   21           - qcom,msm8974-qfprom
   22           - qcom,msm8916-qfprom
   23           - qcom,msm8996-qfprom
   24           - qcom,msm8998-qfprom
   25           - qcom,qcs404-qfprom
   26           - qcom,sc7180-qfprom
   27           - qcom,sc7280-qfprom
   28           - qcom,sdm845-qfprom
   29       - const: qcom,qfprom
   30 
   31   reg:
   32     # If the QFPROM is read-only OS image then only the corrected region
   33     # needs to be provided.  If the QFPROM is writable then all 4 regions
   34     # must be provided.
   35     oneOf:
   36       - items:
   37           - description: The corrected region.
   38       - items:
   39           - description: The corrected region.
   40           - description: The raw region.
   41           - description: The config region.
   42           - description: The security control region.
   43 
   44   # Clock must be provided if QFPROM is writable from the OS image.
   45   clocks:
   46     maxItems: 1
   47   clock-names:
   48     const: core
   49 
   50   # Supply reference must be provided if QFPROM is writable from the OS image.
   51   vcc-supply:
   52     description: Our power supply.
   53 
   54   power-domains:
   55     maxItems: 1
   56 
   57   # Needed if any child nodes are present.
   58   "#address-cells":
   59     const: 1
   60   "#size-cells":
   61     const: 1
   62 
   63 required:
   64   - compatible
   65   - reg
   66 
   67 unevaluatedProperties: false
   68 
   69 examples:
   70   - |
   71     #include <dt-bindings/clock/qcom,gcc-sc7180.h>
   72 
   73     soc {
   74       #address-cells = <2>;
   75       #size-cells = <2>;
   76 
   77       efuse@784000 {
   78         compatible = "qcom,sc7180-qfprom", "qcom,qfprom";
   79         reg = <0 0x00784000 0 0x8ff>,
   80               <0 0x00780000 0 0x7a0>,
   81               <0 0x00782000 0 0x100>,
   82               <0 0x00786000 0 0x1fff>;
   83         clocks = <&gcc GCC_SEC_CTRL_CLK_SRC>;
   84         clock-names = "core";
   85         #address-cells = <1>;
   86         #size-cells = <1>;
   87 
   88         vcc-supply = <&vreg_l11a_1p8>;
   89 
   90         hstx-trim-primary@25b {
   91           reg = <0x25b 0x1>;
   92           bits = <1 3>;
   93         };
   94       };
   95     };
   96 
   97   - |
   98     soc {
   99       #address-cells = <2>;
  100       #size-cells = <2>;
  101 
  102       efuse@784000 {
  103         compatible = "qcom,sdm845-qfprom", "qcom,qfprom";
  104         reg = <0 0x00784000 0 0x8ff>;
  105         #address-cells = <1>;
  106         #size-cells = <1>;
  107 
  108         hstx-trim-primary@1eb {
  109           reg = <0x1eb 0x1>;
  110           bits = <1 4>;
  111         };
  112       };
  113     };

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