Re: [PATCH v5 1/4] dt-bindings: display/msm: convert MDP5 schema to YAML format

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On Wed, Jan 11, 2023 at 11:35:53PM +0100, Marijn Suijten wrote:
> On 2023-01-12 00:31:33, Dmitry Baryshkov wrote:
> > On 12/01/2023 00:29, Marijn Suijten wrote:
> > > On 2023-01-10 06:40:27, Dmitry Baryshkov wrote:
> > >> On 09/01/2023 09:49, Marijn Suijten wrote:
> > >>> On 2023-01-09 07:01:49, Dmitry Baryshkov wrote:
> > > <snip>
> > >>>> +    description: |
> > >>>
> > >>> Should multiline descriptions be treated as a oneline string with `>`?

Depends if you want to keep paragraphs. Generally, we use '|' or 
nothing. If just a colon (or ???), then I think you want '>'.

I get tired of saying to drop unnecessary '|' in reviews. It would be 
nice to analyze the text to check what's needed automatically.


> > >> Ack, I'm fine with either of them, let's use the >
> > >>
> > >>>
> > >>>> +      Contains the list of output ports from DPU device. These ports
> > >>>> +      connect to interfaces that are external to the DPU hardware,
> > >>>> +      such as DSI, DP etc. MDP5 devices support up to 4 ports::
> > >>>
> > >>> How do these double colons render?  Is this intentional?
> > >>
> > >> double colons is an escape for a single colon if I remember correcly.
> > > 
> > > I thought no escaping was necessary here, especially since this is
> > > already a value - it is a multiline string.
> > 
> > I was mostly following examples, grep :: through the dt-bindings.
> 
> Saw that, maybe these "freeform" description strings are intended to be
> RST to support more elaborate rendering if/when that happens?

No, though some experiments have been done in that regard. It seemed to 
work.

> > >> BTW: how to render the DT schema?
> > > 
> > > I'm not sure if there's currently any rendering tool to view these docs
> > > in a "friendly" manner, e.g. an html page, or whether they're only used
> > > as specifications for DT validation.
> > 
> > Probably there will be one at some point. It might make good addition to 
> > devicetree.org.
> 
> Would be super cool to have some "interactive" / properly
> rendered/colored docs up there for DT :)

One of the original goals was to transform the DT spec to schema docs 
and then generate the spec from the schemas.

There's tools that do json-schema to docs already. They may just work. I 
haven't looked at them though as that's not really my itch and I simply 
don't have time. Maybe if we stop reviewing schemas for a while.

Rob



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