Re: [RFC PATCH 1/3] dtc: Add dtb build information option

Steve McIntyre
2020-01-20T18:18:06Z

On Fri, Jan 17, 2020 at 08:43:23AM -0600, Rob Herring wrote:
>On Fri, Jan 17, 2020 at 6:26 AM David Gibson
><david@gibson.dropbear.id.au> wrote:

...

>> What might be better would be to have a dtc option which force appends
>> an extra .dts to the mail .dts compiled. You can then put an overlay
>> template in that file, something like:
>>
>> &{/} {
>> linux,build-info = /incbin/ "build-info.txt;
>> }
>
>I like this suggestion either as an include another dts file or an
>overlay. The latter could be useful as a way to maintain current dtb
>files while splitting the source files into base and overlay dts
>files.

ACK, that sounds like it could be helpful.

>But no, let's not prepend this with 'linux'. It's not a property
>specific for Linux to consume.

Right. We might be seeing the data coming through from U-Boot (or any
other random bootloader) too.

Cheers,
--
Steve McIntyre steve.mcintyre@linaro.org
<http://www.linaro.org/> Linaro.org | Open source software for ARM SoCs