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 <e...@anholt.net>
---

v2: VCHI->VCHIQ, dropped firmware property, added cache-line-size
v3: Dropped cache-line-size, s/vchi@/mailbox@/

 .../devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt   | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 
Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt

diff --git a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt 
b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt
new file mode 100644
index 000000000000..8dd7b3a7de65
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt
@@ -0,0 +1,16 @@
+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>;
+};
-- 
2.16.2

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