1*4882a593SmuzhiyunBroadcom BCM2835 VideoCore mailbox IPC 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunRequired properties: 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun- compatible: Should be "brcm,bcm2835-mbox" 6*4882a593Smuzhiyun- reg: Specifies base physical address and size of the registers 7*4882a593Smuzhiyun- interrupts: The interrupt number 8*4882a593Smuzhiyun See bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt 9*4882a593Smuzhiyun- #mbox-cells: Specifies the number of cells needed to encode a mailbox 10*4882a593Smuzhiyun channel. The value shall be 0, since there is only one 11*4882a593Smuzhiyun mailbox channel implemented by the device. 12*4882a593Smuzhiyun 13*4882a593SmuzhiyunExample: 14*4882a593Smuzhiyun 15*4882a593Smuzhiyunmailbox: mailbox@7e00b880 { 16*4882a593Smuzhiyun compatible = "brcm,bcm2835-mbox"; 17*4882a593Smuzhiyun reg = <0x7e00b880 0x40>; 18*4882a593Smuzhiyun interrupts = <0 1>; 19*4882a593Smuzhiyun #mbox-cells = <0>; 20*4882a593Smuzhiyun}; 21*4882a593Smuzhiyun 22*4882a593Smuzhiyunfirmware: firmware { 23*4882a593Smuzhiyun compatible = "raspberrypi,firmware"; 24*4882a593Smuzhiyun mboxes = <&mailbox>; 25*4882a593Smuzhiyun #power-domain-cells = <1>; 26*4882a593Smuzhiyun}; 27