From 87360e3dd42bb627a9f2611f961728c0789e1c21 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Wed, 8 Jul 2015 14:44:21 +0200 Subject: dts: update to v4.2-rc1 Signed-off-by: Sascha Hauer --- dts/Bindings/mailbox/brcm,bcm2835-mbox.txt | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 dts/Bindings/mailbox/brcm,bcm2835-mbox.txt (limited to 'dts/Bindings/mailbox/brcm,bcm2835-mbox.txt') diff --git a/dts/Bindings/mailbox/brcm,bcm2835-mbox.txt b/dts/Bindings/mailbox/brcm,bcm2835-mbox.txt new file mode 100644 index 0000000000..e893615ef6 --- /dev/null +++ b/dts/Bindings/mailbox/brcm,bcm2835-mbox.txt @@ -0,0 +1,26 @@ +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@7e00b800 { + compatible = "brcm,bcm2835-mbox"; + reg = <0x7e00b880 0x40>; + interrupts = <0 1>; + #mbox-cells = <0>; +}; + +firmware: firmware { + compatible = "raspberrypi,firmware"; + mboxes = <&mailbox>; + #power-domain-cells = <1>; +}; -- cgit v1.2.3