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Message-ID: <e3a83137-d125-4d0f-2eb4-4731159d0c7d@linaro.org>
Date:   Thu, 15 Jun 2023 22:22:53 +0200
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Subject: Re: [PATCH 1/3] dt: bindings: add bindings for TQMa93xxLA SOM
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To:     Alexander Stein <alexander.stein@ew.tq-group.com>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Fabio Estevam <festevam@gmail.com>, Marek Vasut <marex@denx.de>
Cc:     Markus Niebel <Markus.Niebel@ew.tq-group.com>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        NXP Linux Team <linux-imx@nxp.com>,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org, linux@ew.tq-group.com
References: <20230609132915.634338-1-alexander.stein@ew.tq-group.com>
 <20230609132915.634338-2-alexander.stein@ew.tq-group.com>
 <1bf1890f-d24c-12a1-217d-27579a2464a6@linaro.org>
 <6315067.GXAFRqVoOG@steina-w>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <6315067.GXAFRqVoOG@steina-w>
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On 15/06/2023 16:46, Alexander Stein wrote:
>>> +          TQMa93xxLA and TQMa93xxCA are two series of feature compatible
>>> SOM +          using NXP i.MX93 SOC in 11x11 mm package.
>>> +          TQMa93xxLA is designed to be soldered on different carrier
>>> boards. +          TQMa93xxCA is a compatible variant using board to
>>> board connectors. +          All SOM and CPU variants use the same device
>>> tree hence only one +          compatible is needed. Bootloader disables
>>> all features not present +          in the assembled SOC.
>>> +          MBa93xxCA mainboard can be used as starterkit for the SOM
>>> +          soldered on an adapter board or for the connector variant
>>> +          MBa93xxLA mainboard is a single board computer using the
>>> solderable +          SOM variant
>>> +        items:
>>> +          - enum:
>>> +              - tq,imx93-tqma9352-mba93xxca # TQ-Systems GmbH i.MX93
>>> TQMa93xxCA/LA SOM on MBa93xxCA +              -
>>> tq,imx93-tqma9352-mba93xxla # TQ-Systems GmbH i.MX93 TQMa93xxLA SOM on
>>> MBa93xxLA SBC
>> xx sound like wildcard which you should not use. If you open the product
>> page, it also suggests that.
> 
> xx is a wildcard only for modules TQMa93xx, depending on the soldered SoC, but 
> not for the mainboard MBa93xx.
> You are right that there is the ordering number MBa9352LA-AA, so the 
> compatible would be "tq,imx93-tqma9352-mba9352la". But the actual values for 
> the wildcards is copied from the soldered module. So using a TQMa9351LA would 
> result in MBa9351LA-AA, although the mainboard is identical.

OK

Best regards,
Krzysztof