Broadcom BCM2835 VideoCore mailbox IPC
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Required properties:
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- compatible: Should be "brcm,bcm2835-mbox"
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- reg: Specifies base physical address and size of the registers
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- interrupts: The interrupt number
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See bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt
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- #mbox-cells: Specifies the number of cells needed to encode a mailbox
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channel. The value shall be 0, since there is only one
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mailbox channel implemented by the device.
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Example:
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mailbox: mailbox@7e00b880 {
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compatible = "brcm,bcm2835-mbox";
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reg = <0x7e00b880 0x40>;
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interrupts = <0 1>;
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#mbox-cells = <0>;
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};
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firmware: firmware {
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compatible = "raspberrypi,firmware";
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mboxes = <&mailbox>;
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#power-domain-cells = <1>;
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};
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