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