[PATCH 2/4 v3] dt/bindings: Add binding for BCM2835 mailbox driver

From: Lubomir Rintel <redacted>

Signed-off-by: Lubomir Rintel <redacted>
Signed-off-by: Craig McGeachie <slapdau-/E1597aS9LT0CCvOHzKKcA@public.gmane.org>
Signed-off-by: Eric Anholt <redacted>
---


v2: Split into a separate patch for submitting to the devicetree list.
    Consistently start node docs with a capital letter. device's
    address in the example shouldn't have "0x". Drop machine-specific
    interrupt numbers from the docs.  (changes by anholt).

v3: Move the file to just bcm2835-mbox.txt, clean up formatting
    (changes by anholt, from review by Lee Jones).

.../devicetree/bindings/mailbox/bcm2835-mbox.txt      | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mailbox/bcm2835-mbox.txt

diff --git a/Documentation/devicetree/bindings/mailbox/bcm2835-mbox.txt b/Documentation/devicetree/bindings/mailbox/bcm2835-mbox.txt
new file mode 100644
index 0000000..0bb2b9d
--- /dev/null
+++ b/Documentation/devicetree/bindings/mailbox/bcm2835-mbox.txt

@@ -0,0 +1,19 @@
+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 1
+
+Example:
+
+mailbox: mailbox@7e00b800 {
+	compatible = "brcm,bcm2835-mbox";
+	reg = <0x7e00b880 0x40>;
+	interrupts = <0 1>;
+	#mbox-cells = <1>;
+};

-- 
2.1.4

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