Re: [PATCH v4 07/12] riscv: dts: allwinner: Add Sipeed Lichee RV devicetrees

Samuel Holland
2023-01-08T18:42:57Z

Hi Paul,

On 1/5/23 07:55, Paul Kocialkowski wrote:
> Hi Samuel,
>
> On Sat 31 Dec 22, 17:38, Samuel Holland wrote:
>> Sipeed manufactures a "Lichee RV" system-on-module, which provides a
>> minimal working system on its own, as well as a few carrier boards. The
>> "Dock" board provides audio, USB, and WiFi. The "86 Panel" additionally
>> provides 100M Ethernet and a built-in display panel.
>>
>> The 86 Panel repurposes the USB ID and VBUS detection GPIOs for its RGB
>> panel interface, since the USB OTG port is inaccessible inside the case.
>
> Looks like the panel-enabled variants would better be described as device-tree
> overlays as they are not specific devices but are peripheral extensions.
>
> What do you think?

I don't agree. The Lichee RV 86 Panel is sold as a complete unit, with
the SoM+board and LCD pre-assembled inside a case. It is not possible to
purchase the board without a panel, so the panel-enabled variants are
the only variants.

Regards,
Samuel