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dt-bindings: soc: Add a binding for the Broadcom VCHIQ services. (v3)

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The VCHIQ communication channel can be provided by BCM283x and Capri
SoCs, to communicate with the VPU-side OS services.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Eric Anholt 2018-03-09 10:44:14 -08:00 committed by Greg Kroah-Hartman
parent 14dd37fc7b
commit 68883dc0db
1 changed files with 16 additions and 0 deletions
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Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt Normal file
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Broadcom VCHIQ firmware services
Required properties:
- compatible: Should be "brcm,bcm2835-vchiq"
- reg: Physical base address and length of the doorbell register pair
- interrupts: The interrupt number
See bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt
Example:
mailbox@7e00b840 {
compatible = "brcm,bcm2835-vchiq";
reg = <0x7e00b840 0xf>;
interrupts = <0 2>;
};