linux-kernel - Re: [PATCH v6 3/3] arm64: dts: rockchip: add dts for Ariaboard Photonicat RK3568

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <3ee25756b12e999631bd959d787ff248@manjaro.org>
Date: Mon, 13 Jan 2025 09:24:16 +0100
From: Dragan Simic <dsimic@...jaro.org>
To: Junhao Xie <bigfoot@...ssfun.cn>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, Rob
 Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor
 Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>, Jonas
 Karlman <jonas@...boo.se>, Chukun Pan <amadeus@....edu.cn>, FUKAUMI Naoki
 <naoki@...xa.com>, linux-rockchip@...ts.infradead.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 3/3] arm64: dts: rockchip: add dts for Ariaboard
 Photonicat RK3568

Hello Junhao,

On 2025-01-13 09:18, Junhao Xie wrote:
> On 2025/1/13 12:25, Dragan Simic wrote:
>> On 2025-01-12 23:16, Junhao Xie wrote:
>>> On 2025/1/12 16:47, Dragan Simic wrote:
>>>> Unless the design of the board is proprietary, it would be good
>>>> to provide a link to the board schematic, for those interested
>>>> in verifying the board DT file.
>>>> 
>>>> As a note, I already tried to find the board schematic with no
>>>> success, so the design might be proprietary.
>>> 
>>> Yes, this board is proprietary. I asked the manufacturer and
>>> they don't provide schematics.
>>> 
>>> But I found a partial schematic diagram of some of connectors
>>> on the board here
>>> https://dl.ariaboard.com/photonicat_rk3568/Photonicat%20rk3568%20EVB%20Board%20spec.pdf
>> 
>> Yes, I also found that PDF file.  It's somewhat similar to what
>> Raspberry Pi provides with its reduced schematics -- helpful to
>> an extent, but still leaving a lot to be desired.
>> 
>> Out of curiosity, what did you actually use as a reference to create
>> the board dts file?  Perhaps some downstream dts file provided by
>> the manufacturer or found in some operating system image?
> 
> I wrote this device tree based on other rk3568 devices in mainline,
> and downstream board dts:
> https://github.com/photonicat/rockchip_rk3568_kernel/blob/novotech-5.10/arch/arm64/boot/dts/rockchip/rk3568-photonicat-base.dtsi

Thanks for the clarification.  It would be good to include that
link in the description of patch 3/3, for future reference.