On 2018-06-12 14:01, Stephen Boyd wrote:
Quoting spanda@xxxxxxxxxxxxxx (2018-06-05 21:50:16)
On 2018-06-05 20:50, Rob Herring wrote:
> On Tue, Jun 05, 2018 at 11:10:16AM +0530, Sandeep Panda wrote:
>> Document the bindings used for the sn65dsi86 DSI to eDP bridge.
[...]
>> and
>> + the second cell is used to specify flags.
>> + See ../../gpio/gpio.txt for more information.
>> +- #pwm-cells : Should be one. See ../../pwm/pwm.txt for description
>> of
>> + the cell formats.
>> +
>> +- clock-names: should be "refclk"
>> +- clocks: Specification for input reference clock. The reference
>> + clock rate must be 12 MHz, 19.2 MHz, 26 MHz, 27 MHz or 38.4 MHz.
>> +
>> +- lane-mapping: Specification to describe the logical to physical
>> lane
>
> As I mentioned in v7, we already have a property for this. It's called
> 'data-lanes' and defined in media/video-interfaces.txt. Use that. If
> you
> need polarity too, then add a property for that. And add it to
> video-interfaces.txt.
The data-lanes property mentioned in media/video-interfaces.txt is
referring
to DSI/CSI lanes where assumption is clock lane is fixed at index 0.
But
here
the we want to mention about eDP lanes which do not have dedicated
clock
lane.
So can we still use the existing data-lanes property here?
Why is that a problem? It's just a property name.
There are data-lanes and clock-lanes properties in the
video-interfaces.txt file by the way. It would be nice if that document
could be updated for displayport and DSI (e.g. clock-noncontinuous or
link-frequencies) or even just mention in there that these can apply to
DSI and displayport too.
For this current review, i have modified the property description to
point to media/video.txt for explanation.
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