The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/arm/msm/qcom,kpss-acc.txt

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    1 Krait Processor Sub-system (KPSS) Application Clock Controller (ACC)
    2 
    3 The KPSS ACC provides clock, power domain, and reset control to a Krait CPU.
    4 There is one ACC register region per CPU within the KPSS remapped region as
    5 well as an alias register region that remaps accesses to the ACC associated
    6 with the CPU accessing the region.
    7 
    8 PROPERTIES
    9 
   10 - compatible:
   11         Usage: required
   12         Value type: <string>
   13         Definition: should be one of:
   14                         "qcom,kpss-acc-v1"
   15                         "qcom,kpss-acc-v2"
   16 
   17 - reg:
   18         Usage: required
   19         Value type: <prop-encoded-array>
   20         Definition: the first element specifies the base address and size of
   21                     the register region. An optional second element specifies
   22                     the base address and size of the alias register region.
   23 
   24 - clocks:
   25         Usage: required
   26         Value type: <prop-encoded-array>
   27         Definition: reference to the pll parents.
   28 
   29 - clock-names:
   30         Usage: required
   31         Value type: <stringlist>
   32         Definition: must be "pll8_vote", "pxo".
   33 
   34 - clock-output-names:
   35         Usage: optional
   36         Value type: <string>
   37         Definition: Name of the output clock. Typically acpuX_aux where X is a
   38                     CPU number starting at 0.
   39 
   40 Example:
   41 
   42         clock-controller@2088000 {
   43                 compatible = "qcom,kpss-acc-v2";
   44                 reg = <0x02088000 0x1000>,
   45                       <0x02008000 0x1000>;
   46                 clocks = <&gcc PLL8_VOTE>, <&gcc PXO_SRC>;
   47                 clock-names = "pll8_vote", "pxo";
   48                 clock-output-names = "acpu0_aux";
   49         };

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