[PATCH 1/3 v2] dt/bindings: Add binding for the Raspberry Pi firmware driver
eric at anholt.net
Thu May 14 02:57:43 PDT 2015
Lee Jones <lee at kernel.org> writes:
> On Wed, 13 May 2015, Eric Anholt wrote:
>> 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 at anholt.net>
>> v2: Improve commit message, point to mailbox.txt for how mboxes work.
>> .../devicetree/bindings/arm/bcm/raspberrypi,firmware.txt | 16 ++++++++++++++++
>> 1 file changed, 16 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/arm/bcm/raspberrypi,firmware.txt
>> diff --git a/Documentation/devicetree/bindings/arm/bcm/raspberrypi,firmware.txt b/Documentation/devicetree/bindings/arm/bcm/raspberrypi,firmware.txt
>> new file mode 100644
>> index 0000000..33b0043
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/arm/bcm/raspberrypi,firmware.txt
>> @@ -0,0 +1,16 @@
>> +Raspberry Pi VideoCore firmware driver
>> +Required properties:
>> +- compatible: Should be "rasbperrypi,firmware"
>> +- mboxes: Single-entry list which specifies which mailbox
>> + controller and channel is used. See
>> + Documentation/devicetree/bindings/mailbox/mailbox.txt
>> + for the semantics of this property
> That's not what it looks like to me. There is no mention of channels
> in a 0 cell property. Keep it simple. How about:
> Phandle to the firmware device's Mailbox.
> (See: ../mailbox/mailbox.txt for more information)
Sounds good to me.
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