linux-kernel - Re: [PATCH v3 0/6] arm64: dts: rockchip: Add ROCK 2A/2F, Sige1 and NanoPi Zero2

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Message-ID: <86814bf6-5d1b-47f3-ad1d-962cae4a543f@gmail.com>
Date: Sun, 20 Jul 2025 11:45:53 +0200
From: Alex Bee <knaerzche@...il.com>
To: Chukun Pan <amadeus@....edu.cn>
Cc: devicetree@...r.kernel.org, heiko@...ech.de, jonas@...boo.se,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 linux-rockchip@...ts.infradead.org, ziyao@...root.org
Subject: Re: [PATCH v3 0/6] arm64: dts: rockchip: Add ROCK 2A/2F, Sige1 and
 NanoPi Zero2


>
>> Hi,
>>
>>> The issue I was seeing is that there actually *is* a variant called
>>> 'RK3528' which at least according to the latest datasheets slightly 
>>> differs
>>> from 'RK3528A'. We are doing development based on 'RK3528A' and 
>>> calling it
>>> 'rockchip,rk3528' which might make it hard to add the non-A-variant in
>>> future (unless we call it 'rockchip,the-actual-rk3528').
>> I think this can be ignored, because rockchip only provides RK3528A 
>> chip.
>> RK3528A should be a revised version of RK3528, which solves some bugs,
>> so we have never seen the silk screen printed with RK3528.
> Thanks for sharing that inside.
> I wonder why there's an v1.4 of "Rockchip RK3528 Datasheet" dated
> 2024-05-12 which differs from v1.4 "Rockchip RK3528A Datasheet" dated
> 2025-05-12. Anyway: If everybody is happy as-is I guess it's fine.
>
Just for the record: There actually is a non-A version of the
RK3528, which I actually own (but forgot about - perhaps my subconscious
made me reply to this thread). It's on the Mango Pi MK28 board [0][1][2] -
which, to my knowledge, is one of the first RK3528-based SBCs.

[0] https://mangopi.org/m28k
[1] https://x.com/mangopi_sbc/status/1729384633979322512
[2] 
https://pbs.twimg.com/ext_tw_video_thumb/1729382603202170880/pu/img/k-mVxtpl3ey4V3sX.jpg:large

>> Thanks,
>> Chukun
>>
>> -- 
>> 2.25.1
>>