1 The APM X-Gene SLIMpro mailbox is used to communicate messages between
2 the ARM64 processors and the Cortex M3 (dubbed SLIMpro). It uses a simple
3 interrupt based door bell mechanism and can exchange simple messages using the
6 There are total of 8 interrupts in this mailbox. Each used for an individual
7 door bell (or mailbox channel).
10 - compatible: Should be as "apm,xgene-slimpro-mbox".
12 - reg: Contains the mailbox register address range.
14 - interrupts: 8 interrupts must be from 0 to 7, interrupt 0 define the
15 the interrupt for mailbox channel 0 and interrupt 1 for
16 mailbox channel 1 and so likewise for the reminder.
18 - #mbox-cells: only one to specify the mailbox channel number.
23 mailbox: mailbox@10540000 {
24 compatible = "apm,xgene-slimpro-mbox";
25 reg = <0x0 0x10540000 0x0 0xa000>;
27 interrupts = <0x0 0x0 0x4>,