1 ST Microelectronics Mailbox Driver
3 Each ST Mailbox IP currently consists of 4 instances of 32 channels. Messages
4 are passed between Application and Remote processors using shared memory.
10 - compatible : Should be "st,stih407-mailbox"
11 - reg : Offset and length of the device's register set
12 - mbox-name : Name of the mailbox
13 - #mbox-cells: : Must be 2
14 <&phandle instance channel direction>
15 phandle : Label name of controller
16 instance : Instance number
17 channel : Channel number
20 - interrupts : Contains the IRQ line for a Rx mailbox
25 compatible = "st,stih407-mailbox";
26 reg = <0x08f00000 0x1000>;
27 interrupts = <GIC_SPI 1 IRQ_TYPE_NONE>;
36 - compatible : Many (See the client docs)
37 - reg : Shared (between Application and Remote) memory address
38 - mboxes : Standard property to specify a Mailbox (See ./mailbox.txt)
39 Cells must match 'mbox-cells' (See Controller docs above)
42 - mbox-names : Name given to channels seen in the 'mboxes' property.
47 compatible = "mailbox-test";
48 reg = <0x[shared_memory_address], [shared_memory_size]>;
49 mboxes = <&mailbox2 0 1>, <&mailbox0 2 1>;
50 mbox-names = "tx", "rx";