[PATCH v4 0/3] Add device tree for Nvidia's GB200NVL BMC

Willie Thai wthai at nvidia.com
Tue Mar 25 04:59:23 AEDT 2025


The GB200NVL BMC is an Aspeed Ast2600 based BMC
for Nvidia Blackwell GB200NVL platform.
Reference to Ast2600 SOC [1].
Reference to Blackwell GB200NVL Platform [2].

Co-developed-by: Mars Yang <maryang at nvidia.com>
Signed-off-by: Mars Yang <maryang at nvidia.com>
Cc: Krzysztof Kozlowski <krzk at kernel.org>
Cc: Andrew Lunn <andrew at lunn.ch>
Cc: Rob Herring <robh at kernel.org>
Cc: Paul Menzel <pmenzel at molgen.mpg.de>
Reviewed-by: Andrew Lunn <andrew at lunn.ch>
Link: https://www.aspeedtech.com/server_ast2600/ [1]
Link: https://nvdam.widen.net/s/wwnsxrhm2w/blackwell-datasheet-3384703 [2]
Signed-off-by: Willie Thai <wthai at nvidia.com>
---
Changes v1 -> v2:
  - Fix the SOB name [Krzysztof]
  - Fix warnings from scripts/checkpatch.pl run [Krzysztof]
  - Fix DTS coding style [Krzysztof]
  - Move pinctrl override to the bottom [Krzysztof]
  - Drop bootargs [Krzysztof]
  - Follow DTS coding style and change naming for leds node [Krzysztof]
  - Change flash 0 status property [Krzysztof]
  - Change the phy-mode to rgmii [Andrew]
  - Remove the max-speed in mac0 [Andrew]
  - Put gpio line name in one line per group of 8 gpios, but keep some b/c they can exceed length limit [Paul]
Changes v2 -> v3:
  - Fix missing new line [Krzysztof]
  - Fix missing binding define, adding it in the patch no.1 of this patch set v3 [Krzysztof, Rob]
  - Fix DTS coding style [Krzysztof]
  - Modify nodes name to generic name for: i2c expander pca9546, gpio expander pca9555, power monitor lm5066i, fan controller max31790 [Krzysztof]
  - Skip mac setting and wait till the delay issue in phy-mode fix from Aspeed SOC vendor side [Andrew]
  - Remove i2c-scl-clk-low-timeout-us which is Apseed proprietary property [Mars]
Changes v3 -> v4:
  - Order binding patch first in the patch set [Andrew Jeffery]
  - Make the commit message more concise [Krzysztof]
  - Remove stray blank lines [Krzysztof]
  - Remove unnecessary comments [Krzysztof]
  - Remove underscore, repalce by dash symbol in node name [Krzysztof]
  - Remove disable-master property in i2c as it is downstream added property [Rob, Andrew Jeffery]
  - Remove #address-cells, #size-cells in nxp,pca9555 and maxim,max31790 as they are no longer defined [Rob, Andrew Jeffery]
---

Willie Thai (3):
  dt-bindings: arm: aspeed: add Nvidia's GB200NVL BMC
  dt-bindings: pinctrl: aspeed,ast2600-pinctrl
  ARM: dts: aspeed: Add device tree for Nvidia's GB200NVL BMC

 .../bindings/arm/aspeed/aspeed.yaml           |    1 +
 .../pinctrl/aspeed,ast2600-pinctrl.yaml       |    1 +
 arch/arm/boot/dts/aspeed/Makefile             |    1 +
 .../aspeed/aspeed-bmc-nvidia-gb200nvl-bmc.dts | 1149 +++++++++++++++++
 4 files changed, 1152 insertions(+)
 create mode 100644 arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-gb200nvl-bmc.dts

-- 
2.25.1



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