linux-kernel - Re: [PATCH 2/2] ARM: dts: imx6ull: add seeed studio NPi dev board

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Date: Fri, 29 Mar 2024 15:10:10 +0530
From: Parthiban <parthiban@...umiz.com>
To: Shawn Guo <shawnguo2@...h.net>
Cc: robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
 conor+dt@...nel.org, shawnguo@...nel.org, s.hauer@...gutronix.de,
 kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, Parthiban <parthiban@...umiz.com>
Subject: Re: [PATCH 2/2] ARM: dts: imx6ull: add seeed studio NPi dev board

Dear Shawn,

On 3/29/24 09:30, Shawn Guo wrote:
> On Thu, Feb 29, 2024 at 01:53:37PM +0530, Parthiban Nallathambi wrote:
>> Add support for Seed Stuidos NPi i.MX6ULL SoM equipped with
>> 512MB RAM and 8GB eMMC or 512MB NAND flash. Development
>> board comes with either eMMC or NAND based SoM with peripheral
>> interfaces like 2 x ethernet, 2 x USB, LCD, CSI and more.
>>
>> Signed-off-by: Parthiban Nallathambi <parthiban@...umiz.com>
>> ---
>>  arch/arm/boot/dts/nxp/imx/Makefile            |   2 +
>>  .../imx/imx6ull-seeed-npi-dev-board-emmc.dts  |  19 +
>>  .../imx/imx6ull-seeed-npi-dev-board-nand.dts  |  19 +
>>  .../nxp/imx/imx6ull-seeed-npi-dev-board.dtsi  | 424 ++++++++++++++++++
>>  .../boot/dts/nxp/imx/imx6ull-seeed-npi.dtsi   | 155 +++++++
>>  5 files changed, 619 insertions(+)
>>  create mode 100644 arch/arm/boot/dts/nxp/imx/imx6ull-seeed-npi-dev-board-emmc.dts
>>  create mode 100644 arch/arm/boot/dts/nxp/imx/imx6ull-seeed-npi-dev-board-nand.dts
>>  create mode 100644 arch/arm/boot/dts/nxp/imx/imx6ull-seeed-npi-dev-board.dtsi
>>  create mode 100644 arch/arm/boot/dts/nxp/imx/imx6ull-seeed-npi.dtsi
> 
> Could you elaborate a bit the point of splitting imx6ull-seeed-npi.dtsi
> and imx6ull-seeed-npi-dev-board.dtsi?  Why cannot they be a single file?
imx6ull-seeed-npi.dtsi is for the npi SoM and -dev-board is for the board which uses the SoM.

Thanks,
Parthiban N


> 
> Shawn
>