Lee Jones <l...@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 <e...@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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