[PATCH v6 1/3] dt/bindings: Add binding for the Raspberry Pi firmware driver

[Eric Anholt <eric-WhKQ6XTQaPysTnJN9+BGXg@public.gmane.org>]

This driver will provide support for calls into the firmware that will
be used by other drivers like cpufreq and vc4.

v2: Improve commit message, point to mailbox.txt for how mboxes work.
v3: Use Lee's suggestion for mailbox phandle docs, fix spelling of
    "raspberry".
v4: Change the compatible string to "raspberrypi,bcm2835-firmware"
    (requested by Lee, agreed by Stephen)

Acked-by: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
---
 .../bindings/arm/bcm/raspberrypi,bcm2835-firmware.txt      | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.txt

diff --git a/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.txt b/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.txt
new file mode 100644
index 0000000..5fb1868
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.txt
@@ -0,0 +1,14 @@
+Raspberry Pi VideoCore firmware driver
+
+Required properties:
+
+- compatible:		Should be "rasbperrypi,bcm2835-firmware"
+- mboxes:		Phandle to the firmware device's Mailbox.
+			  (See: ../mailbox/mailbox.txt for more information)
+
+Example:
+
+firmware {
+	compatible = "raspberrypi,bcm2835-firmware";
+	mboxes = <&mailbox>;
+};
-- 
2.1.4

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