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/interrupt-controller/marvell,odmi-controller.txt

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    1 
    2 * Marvell ODMI for MSI support
    3 
    4 Some Marvell SoCs have an On-Die Message Interrupt (ODMI) controller
    5 which can be used by on-board peripheral for MSI interrupts.
    6 
    7 Required properties:
    8 
    9 - compatible           : The value here should contain:
   10 
   11     "marvell,ap806-odmi-controller", "marvell,odmi-controller".
   12 
   13 - interrupt,controller : Identifies the node as an interrupt controller.
   14 
   15 - msi-controller       : Identifies the node as an MSI controller.
   16 
   17 - marvell,odmi-frames  : Number of ODMI frames available. Each frame
   18                          provides a number of events.
   19 
   20 - reg                  : List of register definitions, one for each
   21                          ODMI frame.
   22 
   23 - marvell,spi-base     : List of GIC base SPI interrupts, one for each
   24                          ODMI frame. Those SPI interrupts are 0-based,
   25                          i.e marvell,spi-base = <128> will use SPI #96.
   26                          See Documentation/devicetree/bindings/interrupt-controller/arm,gic.yaml
   27                          for details about the GIC Device Tree binding.
   28 
   29 Example:
   30 
   31         odmi: odmi@300000 {
   32                 compatible = "marvell,ap806-odmi-controller",
   33                              "marvell,odmi-controller";
   34                 interrupt-controller;
   35                 msi-controller;
   36                 marvell,odmi-frames = <4>;
   37                 reg = <0x300000 0x4000>,
   38                       <0x304000 0x4000>,
   39                       <0x308000 0x4000>,
   40                       <0x30C000 0x4000>;
   41                 marvell,spi-base = <128>, <136>, <144>, <152>;
   42         };

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