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/omap/l4.txt

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    1 L4 interconnect bindings
    2 
    3 These bindings describe the OMAP SoCs L4 interconnect bus.
    4 
    5 Required properties:
    6 - compatible : Should be "ti,omap2-l4" for OMAP2 family l4 core bus
    7                Should be "ti,omap2-l4-wkup" for OMAP2 family l4 wkup bus
    8                Should be "ti,omap3-l4-core" for OMAP3 family l4 core bus
    9                Should be "ti,omap4-l4-cfg" for OMAP4 family l4 cfg bus
   10                Should be "ti,omap4-l4-per" for OMAP4 family l4 per bus
   11                Should be "ti,omap4-l4-wkup" for OMAP4 family l4 wkup bus
   12                Should be "ti,omap5-l4-cfg" for OMAP5 family l4 cfg bus
   13                Should be "ti,omap5-l4-wkup" for OMAP5 family l4 wkup bus
   14                Should be "ti,dra7-l4-cfg" for DRA7 family l4 cfg bus
   15                Should be "ti,dra7-l4-wkup" for DRA7 family l4 wkup bus
   16                Should be "ti,am3-l4-wkup" for AM33xx family l4 wkup bus
   17                Should be "ti,am4-l4-wkup" for AM43xx family l4 wkup bus
   18 - ranges : contains the IO map range for the bus
   19 - reg : registers link agent and interconnect agent and access protection
   20 - reg-names : "la" for link agent, "ia0" to "ia3" for one to three
   21               interconnect agent instances, "ap" for access if it exists
   22 
   23 Examples:
   24 
   25 l4: interconnect@48000000 {
   26         compatible "ti,omap4-l4-per", "simple-bus";
   27         reg = <0x48000000 0x800>,
   28               <0x48000800 0x800>,
   29               <0x48001000 0x400>,
   30               <0x48001400 0x400>,
   31               <0x48001800 0x400>,
   32               <0x48001c00 0x400>;
   33         reg-names = "ap", "la", "ia0", "ia1", "ia2", "ia3";
   34         #address-cells = <1>;
   35         #size-cells = <1>;
   36         ranges = <0 0x48000000 0x100000>;
   37 };

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