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* rWTM BIU Mailbox driver for Armada 37xx
Required properties:
- compatible: must be "marvell,armada-3700-rwtm-mailbox"
- reg: physical base address of the mailbox and length of memory mapped
region
- interrupts: the IRQ line for the mailbox
- #mbox-cells: must be 1
Example:
rwtm: mailbox@b0000 {
compatible = "marvell,armada-3700-rwtm-mailbox";
reg = <0xb0000 0x100>;
interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>;
#mbox-cells = <1>;
};