linux-kernel - Re: [PATCH v7 0/2] Adding device tree and binding for NVIDIA GB200-UT3.0b

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Message-ID: <20250724-affable-gorgeous-dragon-130ac6@kuoka>
Date: Thu, 24 Jul 2025 09:54:10 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Donald Shannon <donalds@...dia.com>
Cc: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org, 
	joel@....id.au, andrew@...econstruct.com.au, devicetree@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org, 
	openbmc@...ts.ozlabs.org
Subject: Re: [PATCH v7 0/2] Adding device tree and binding for NVIDIA
 GB200-UT3.0b

On Wed, Jul 23, 2025 at 03:23:48PM -0700, Donald Shannon wrote:
> Patch 1 adds the binding for the NVIDIA GB200-UT3.0b platform.
> Patch 2 adds the device tree for the NVIDIA GB200-UT3.0b platform.
> 
> This is an Aspeed AST2600 based unit testing platform for GB200.
> UT3.0b is different than nvidia-gb200nvl-bmc due to networking topology
> differences, additional gpio expanders, and voltage regulator gating
> some devices.
> 
> Reference to Ast2600 SOC [1].
> Reference to Blackwell GB200NVL Platform [2].
> 
> Link: https://www.aspeedtech.com/server_ast2600/ [1]
> Link: https://nvdam.widen.net/s/wwnsxrhm2w/blackwell-datasheet-3384703 [2]
> Signed-off-by: Donald Shannon <donalds@...dia.com>
> ---
> Changes v1 -> v2:
>   - Changed phy-mode to rgmii-id [Lunn]
>   - Removed redundant max-speed for mac0 [Lunn]
>   - Fixed typo from gb200nvl to gb200 in Makefile
> Changes v2 -> v3:
>  - Fixed whitespace issues [Krzysztof]
>  - Fixed schema validation issues from my end ( there are still issues
>  with the aspeed dtsi file that are not related to this new dts)
>  [Herring]
>  - Reordered to follow style guide [Krzysztof]
>  - Removed redundant status okays
>  - Changed vcc to vdd for the power gating on the gpio expanders
> Changes v3 -> v4:
>   - Added changelog [Krzysztof]
>   - Added nvidia,gb200-ut30b board binding [Krzysztof]
>   - Removed unused imports
>   - Reordered a couple other style guide violations
>   - Added back in a couple needed "status okay"s
> Changes v4 -> v5:
>  - Resumed my patch after a pause
>  - Don't plan to make this include of nvidia-gb200nvl-bmc due to some
>  platform differences
>  - Fixed io expanders that weren't gated by the 3.3V standby regulator
>  - Fixed incorrect interrupt pin for one IO expander
>  - Removed some IO expanders and I2C busses
> Changes v5 -> v6:
>  - Fixed subject line
>  - Added missing gpio-key compatible type to buttons
> Changes v6 -> v7:
>   - Removed Acked-by Krzysztof

Why? You did not even give me chance to respond to your reply.

Best regards,
Krzysztof