Re: [PATCH 4/4] arm64: defconfig: enable designware mipi csi-2 receiver

[Krzysztof Kozlowski <krzk@kernel.org>]

On 09/03/2026 10:02, Michael Riesch wrote:
> Hi Krzysztof,
> 
> On 3/7/26 16:34, Krzysztof Kozlowski wrote:
>> On Fri, Mar 06, 2026 at 03:09:51PM +0100, Michael Riesch wrote:
>>> The Synopsys DesignWare MIPI CSI-2 Receiver is integrated into
>>> recent Rockchip SoCs, such as the RK3568 and the RK3588.
>>
>> ... and used on boards foo bar.
> 
> foo bar = pretty much any recent board with a Rockchip SoC on it...
> (plus NXP users, as there is a series by Frank in the works)
> 
>>
>> (becuse we take defconfig for boards, not for SoCs - if there is no
>> single board using it, then it should not be enabled because it means
>> you do it for downstream which simply does not exist for us).
> 
> ... but there is not yet a mainline example. Next item on my TODO list

Then why do we want it in the mainline? Answer: there is no reason.

We do not support downstream setups with mainline defconfigs.

> is to send out basic RK3588 VICAP support including the device tree bits
> for the Radxa ROCK 5B+ plus camera modules. Should I include the patch
> in that series? Or wait until that series has been accepted? Or will you
> just take my word for it that there will be plenty of boards using that
> receiver in near future?

Best regards,
Krzysztof