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dt/bindings: Add binding for the Raspberry Pi firmware driver
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This driver will provide support for calls into the firmware that will
be used by other drivers like cpufreq and vc4.

Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Eric Anholt authored and Lee Jones committed Aug 11, 2015
1 parent b35ef52 commit fd26f88
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Raspberry Pi VideoCore firmware driver

Required properties:

- compatible: Should be "raspberrypi,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>;
};

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