qcom,smd-rpm.txt

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    1 Qualcomm Resource Power Manager (RPM) over SMD
    2 
    3 This driver is used to interface with the Resource Power Manager (RPM) found in
    4 various Qualcomm platforms. The RPM allows each component in the system to vote
    5 for state of the system resources, such as clocks, regulators and bus
    6 frequencies.
    7 
    8 The SMD information for the RPM edge should be filled out.  See qcom,smd.txt for
    9 the required edge properties.  All SMD related properties will reside within the
   10 RPM node itself.
   11 
   12 = SUBDEVICES
   13 
   14 The RPM exposes resources to its subnodes.  The rpm_requests node must be
   15 present and this subnode may contain children that designate regulator
   16 resources.
   17 
   18 - compatible:
   19         Usage: required
   20         Value type: <string>
   21         Definition: must be one of:
   22                     "qcom,rpm-apq8084"
   23                     "qcom,rpm-msm8916"
   24                     "qcom,rpm-msm8974"
   25                     "qcom,rpm-msm8976"
   26                     "qcom,rpm-msm8998"
   27                     "qcom,rpm-sdm660"
   28                     "qcom,rpm-qcs404"
   29 
   30 - qcom,smd-channels:
   31         Usage: required
   32         Value type: <string>
   33         Definition: must be "rpm_requests"
   34 
   35 Refer to Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.txt
   36 for information on the regulator subnodes that can exist under the rpm_requests.
   37 
   38 Example:
   39 
   40         soc {
   41                 apcs: syscon@f9011000 {
   42                         compatible = "syscon";
   43                         reg = <0xf9011000 0x1000>;
   44                 };
   45         };
   46 
   47         smd {
   48                 compatible = "qcom,smd";
   49 
   50                 rpm {
   51                         interrupts = <0 168 1>;
   52                         qcom,ipc = <&apcs 8 0>;
   53                         qcom,smd-edge = <15>;
   54 
   55                         rpm_requests {
   56                                 compatible = "qcom,rpm-msm8974";
   57                                 qcom,smd-channels = "rpm_requests";
   58 
   59                                 ...
   60                         };
   61                 };
   62         };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/soc/qcom/qcom,smd-rpm.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/soc/qcom/qcom,smd-rpm.txt