ti,message-manager.txt

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    1 Texas Instruments' Message Manager Driver
    2 ========================================
    3 
    4 The Texas Instruments' Message Manager is a mailbox controller that has
    5 configurable queues selectable at SoC(System on Chip) integration. The Message
    6 manager is broken up into queues in different address regions that are called
    7 "proxies" - each instance is unidirectional and is instantiated at SoC
    8 integration level to indicate receive or transmit path.
    9 
   10 Message Manager Device Node:
   11 ===========================
   12 Required properties:
   13 --------------------
   14 - compatible:           Shall be: "ti,k2g-message-manager"
   15 - reg-names             queue_proxy_region - Map the queue proxy region.
   16                         queue_state_debug_region - Map the queue state debug
   17                         region.
   18 - reg:                  Contains the register map per reg-names.
   19 - #mbox-cells           Shall be 2. Contains the queue ID and proxy ID in that
   20                         order referring to the transfer path.
   21 - interrupt-names:      Contains interrupt names matching the rx transfer path
   22                         for a given SoC. Receive interrupts shall be of the
   23                         format: "rx_<QID>".
   24                         For ti,k2g-message-manager, this shall contain:
   25                                 "rx_005", "rx_057"
   26 - interrupts:           Contains the interrupt information corresponding to
   27                         interrupt-names property.
   28 
   29 Example(K2G):
   30 ------------
   31 
   32         msgmgr: msgmgr@2a00000 {
   33                 compatible = "ti,k2g-message-manager";
   34                 #mbox-cells = <2>;
   35                 reg-names = "queue_proxy_region", "queue_state_debug_region";
   36                 reg = <0x02a00000 0x400000>, <0x028c3400 0x400>;
   37                 interrupt-names = "rx_005", "rx_057";
   38                 interrupts = <GIC_SPI 324 IRQ_TYPE_LEVEL_HIGH>,
   39                              <GIC_SPI 327 IRQ_TYPE_LEVEL_HIGH>;
   40         };
   41 
   42         pmmc: pmmc {
   43                 [...]
   44                 mbox-names = "rx", "tx";
   45                 # RX queue ID is 5, proxy ID is 2
   46                 # TX queue ID is 0, proxy ID is 0
   47                 mboxes= <&msgmgr 5 2>,
   48                         <&msgmgr 0 0>;
   49                 [...]
   50         };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/mailbox/ti,message-manager.txt

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sys/contrib/device-tree/Bindings/mailbox/ti,message-manager.txt