hisilicon,hi3660-mailbox.txt

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    1 Hisilicon Hi3660 Mailbox Controller
    2 
    3 Hisilicon Hi3660 mailbox controller supports up to 32 channels.  Messages
    4 are passed between processors, including application & communication
    5 processors, MCU, HIFI, etc.  Each channel is unidirectional and accessed
    6 by using MMIO registers; it supports maximum to 8 words message.
    7 
    8 Controller
    9 ----------
   10 
   11 Required properties:
   12 - compatible:           : Shall be "hisilicon,hi3660-mbox"
   13 - reg:                  : Offset and length of the device's register set
   14 - #mbox-cells:          : Must be 3
   15                           <&phandle channel dst_irq ack_irq>
   16                             phandle     : Label name of controller
   17                             channel     : Channel number
   18                             dst_irq     : Remote interrupt vector
   19                             ack_irq     : Local interrupt vector
   20 
   21 - interrupts:           : Contains the two IRQ lines for mailbox.
   22 
   23 Example:
   24 
   25 mailbox: mailbox@e896b000 {
   26         compatible = "hisilicon,hi3660-mbox";
   27         reg = <0x0 0xe896b000 0x0 0x1000>;
   28         interrupts = <0x0 0xc0 0x4>,
   29                      <0x0 0xc1 0x4>;
   30         #mbox-cells = <3>;
   31 };
   32 
   33 Client
   34 ------
   35 
   36 Required properties:
   37 - compatible            : See the client docs
   38 - mboxes                : Standard property to specify a Mailbox (See ./mailbox.txt)
   39                           Cells must match 'mbox-cells' (See Controller docs above)
   40 
   41 Optional properties
   42 - mbox-names            : Name given to channels seen in the 'mboxes' property.
   43 
   44 Example:
   45 
   46 stub_clock: stub_clock@e896b500 {
   47         compatible = "hisilicon,hi3660-stub-clk";
   48         reg = <0x0 0xe896b500 0x0 0x0100>;
   49         #clock-cells = <1>;
   50         mboxes = <&mailbox 13 3 0>;
   51 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/mailbox/hisilicon,hi3660-mailbox.txt

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sys/contrib/device-tree/Bindings/mailbox/hisilicon,hi3660-mailbox.txt