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

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Message-ID: <3c83e8cc-9ef0-4560-b6d7-127abab50541@gmail.com>
Date: Sun, 20 Jul 2025 17:51:22 +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,
> Hi,
>
>> 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 M28K board [0][1][2] -
>> which, to my knowledge, is one of the first RK3528-based SBCs.
> Thanks for sharing this. M28S is an engineering test board, and the official
> version was later renamed M28K. The MangoPi M28K board uses the RK3528A SoC.

I'm not sure where you are getting your information from, but as I told
before I actually *own* this board in the non-development version and it
has an RK3528 SoC/silkscreen - I just was too lazy to photograph it my own -
but I did now [0]

[0] https://imgur.com/a/6jwx4dC

> As for the M28S board, the silkscreen of SoC is indeed RK3528. [1]
> But then the interesting thing comes, uboot reports it is RK3528A:
>
> U-Boot 2025.07-rc1-OpenWrt-r30114-9b777547be (Jun 18 2025 - 18:35:23 +0000)
>
> Model: Generic RK3528
> SoC:   RK3528A
> DRAM:  2 GiB
> Core:  130 devices, 20 uclasses, devicetree: separate
> MMC:   mmc@...f0000: 0, mmc@...30000: 1
> Loading Environment from nowhere... OK
> In:    serial@...f0000
> Out:   serial@...f0000
> Err:   serial@...f0000
> Hit any key to stop autoboot:  0
>
> [1] https://imgur.com/a/ddLsnmt
>
> Thanks,
> Chukun
>
> --
> 2.25.1
>