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

[Donald Shannon]

On 7/24/25 00:54, Krzysztof Kozlowski wrote:

> External email: Use caution opening links or attachments
>
>
> 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 at nvidia.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

Hi Krzysztof,

I will reply here to keep our discussion together.

I think that the issue was me using your kernel.org email and not your linaro.org email.
I will fix this in the next patch series along with some fixes for the warnings from the other thread.

Thanks,
Don