prcm.txt

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    1 OMAP PRCM bindings
    2 
    3 Power Reset and Clock Manager lists the device clocks and clockdomains under
    4 a DT hierarchy. Each TI SoC can have multiple PRCM entities listed for it,
    5 each describing one module and the clock hierarchy under it. see [1] for
    6 documentation about the individual clock/clockdomain nodes.
    7 
    8 [1] Documentation/devicetree/bindings/clock/ti/*
    9 
   10 Required properties:
   11 - compatible:   Must be one of:
   12                 "ti,am3-prcm"
   13                 "ti,am4-prcm"
   14                 "ti,omap2-prcm"
   15                 "ti,omap3-prm"
   16                 "ti,omap3-cm"
   17                 "ti,omap4-cm1"
   18                 "ti,omap4-prm"
   19                 "ti,omap4-cm2"
   20                 "ti,omap4-scrm"
   21                 "ti,omap5-prm"
   22                 "ti,omap5-cm-core-aon"
   23                 "ti,omap5-scrm"
   24                 "ti,omap5-cm-core"
   25                 "ti,dra7-prm"
   26                 "ti,dra7-cm-core-aon"
   27                 "ti,dra7-cm-core"
   28                 "ti,dm814-prcm"
   29                 "ti,dm816-prcm"
   30 - reg:          Contains PRCM module register address range
   31                 (base address and length)
   32 - clocks:       clocks for this module
   33 - clockdomains: clockdomains for this module
   34 - #clock-cells: From common clock binding
   35 - clock-output-names: From common clock binding
   36 
   37 
   38 Example:
   39 
   40 cm: clock@48004000 {
   41         compatible = "ti,omap3-cm";
   42         reg = <0x48004000 0x4000>;
   43         #clock-cells = <0>;
   44         clock-output-names = "cm";
   45 
   46         cm_clocks: clocks {
   47                 #address-cells = <1>;
   48                 #size-cells = <0>;
   49         };
   50 
   51         cm_clockdomains: clockdomains {
   52         };
   53 }
   54 
   55 &cm_clocks {
   56         omap2_32k_fck: omap_32k_fck {
   57                 #clock-cells = <0>;
   58                 compatible = "fixed-clock";
   59                 clock-frequency = <32768>;
   60         };
   61 };
   62 
   63 &cm_clockdomains {
   64         core_l3_clkdm: core_l3_clkdm {
   65                 compatible = "ti,clockdomain";
   66                 clocks = <&sdrc_ick>;
   67         };
   68 };

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sys/contrib/device-tree/Bindings/arm/omap/prcm.txt