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	id D203E68CFE; Tue,  6 Aug 2024 15:09:38 +0200 (CEST)
Date: Tue, 6 Aug 2024 15:09:38 +0200
From: Christoph Hellwig <hch@lst.de>
To: Christian Marangi <ansuelsmth@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>, Ulf Hansson <ulf.hansson@linaro.org>,
	Rob Herring <robh@kernel.org>,
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	Vignesh Raghavendra <vigneshr@ti.com>,
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	Keith Busch <kbusch@kernel.org>, Jens Axboe <axboe@kernel.dk>,
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	Wolfram Sang <wsa+renesas@sang-engineering.com>,
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	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	linux-mmc@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org,
	linux-nvme@lists.infradead.org
Subject: Re: [PATCH v3 2/6] nvme: assign of_node to nvme device
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References: <20240806114118.17198-1-ansuelsmth@gmail.com> <20240806114118.17198-3-ansuelsmth@gmail.com> <20240806124312.GB10156@lst.de> <66b21f20.5d0a0220.200175.4b9b@mx.google.com>
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On Tue, Aug 06, 2024 at 03:03:24PM +0200, Christian Marangi wrote:
> Well on embedded pure PCIe card most of the time are not a thing...
> Unless it's an enterprise product, everything is integrated in the pcb
> and not detachable for cost saving measure or also if the thing use PCIe
> protocol but it tighlty coupled with the SoC.

Yes, PCIe has a bunch of form factors, including just soldered on BGA
devices, but none of that matters at all for the logical protocol.

> This implementation is already very common for all kind of pcie devices
> like wireless card, gpio expander that are integrated in the PCB and
> require property in DT like calibration data, quirks or GPIO pin
> definitions, i2c...

Do you have a document on that/