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Message-ID: <dc3bd6c6-852d-30a5-2ec1-ab5f7fd1488c@linaro.org>
Date:   Tue, 30 Aug 2022 20:30:07 +0300
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Subject: Re: [PATCH v2 2/9] dt-bindings: riscv: microchip: document the aries
 m100pfsevp
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To:     Conor.Dooley@microchip.com, robh+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, Daire.McNamara@microchip.com,
        Shravan.Chippa@microchip.com
Cc:     paul.walmsley@sifive.com, palmer@dabbelt.com,
        aou@eecs.berkeley.edu, Cyril.Jean@microchip.com,
        Lewis.Hanly@microchip.com, Praveen.Kumar@microchip.com,
        wg@aries-embedded.de, Hugh.Breslin@microchip.com,
        devicetree@vger.kernel.org, linux-riscv@lists.infradead.org,
        linux-kernel@vger.kernel.org
References: <20220830101803.1456180-1-conor.dooley@microchip.com>
 <20220830101803.1456180-3-conor.dooley@microchip.com>
 <a3a8e2ba-a6bd-6e66-fd04-e3a46661a34d@linaro.org>
 <27b8aa9e-9173-b40e-8f9c-a53fa5ba36c8@microchip.com>
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 <69027950-f18d-c9a7-9f0b-d73ef68197c7@microchip.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <69027950-f18d-c9a7-9f0b-d73ef68197c7@microchip.com>
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On 30/08/2022 19:59, Conor.Dooley@microchip.com wrote:
>>> w dts were
>>> needed so that the gpio-hog could be set correctly. Out of curiosity, I can
>>> have the same compatible in multiple devicetrees right? In that case, it
>>> would just be "aries,m100pfsevp" here and I could put that in both?
>>> Would make things easier..
>>
>> Depends, but I would say for this case rather not. The compatible should
>> identify the board. If the boards are different, one compatible should
>> not identify both of them. Imagine U-Boot (or something else) trying to
>> match the DTS.
> 
> It is the same board though, the way the bootloader works is that if it
> detects an SD-card it will use that to boot from, and if not will fall back
> to the emmc.

Wait, I might miss that part. So this is exactly the same hardware with
the same SoM/SoC, same eMMC and SD card, except that one has plugged
this SD card (as it is hot-pluggable)?

Best regards,
Krzysztof