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The mainboard exists in three known flavors, the "normal" X470D4U, the X470D4U2-2T (with 2x10G RJ45) and the X470D4U2/1N1 (an ODM version with 2x1G RJ45 that is now available in retail). The 1N1 version also has a 64MB BMC SPI by default, but they are all swappable. There are two device trees, one that has all the config and uses a 32MB flash layout, and another one called "data64" (similar to facebook-fuji) that uses the 64MB flash layout. Please note that this board has been fully reverse-engineered. Thanks, Tan Signed-off-by: Tan Siewert --- Changes in v3: - remove mdio pinctrl from mac1 nc-si interface [Andrew Jeffrey] - remove "st,24c128" compatibility from fru eeprom [Tan] - enable uart1-4 [Tan] - add a data64 tree as alternative for boards with a 64M SPI [Zev] - add hog to bmc-ready GPIO pin as required by the host BIOS [Tan] - fix offenses reported by scripts/dtc/dt-check-style --mode strict [Tan] - Link to v2: https://lore.kernel.org/all/20251011112124.17588-1-tan@siewert.io/ Changes in v2: - fix led node names [robh] - fix missing gfx memory region and other fixable dtbs_check issues [Tan] - Link to v1: https://lore.kernel.org/all/20250919185621.6647-1-tan@siewert.io/ To: Rob Herring To: Krzysztof Kozlowski To: Conor Dooley To: Joel Stanley To: Andrew Jeffery Cc: Zev Weiss Cc: devicetree@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-aspeed@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org --- Tan Siewert (2): dt-bindings: arm: aspeed: add ASRock X470D4U BMC ARM: dts: aspeed: add asrock x470d4u bmc .../devicetree/bindings/arm/aspeed/aspeed.yaml | 2 + arch/arm/boot/dts/aspeed/Makefile | 2 + .../aspeed/aspeed-bmc-asrock-x470d4u-data64.dts | 15 + .../boot/dts/aspeed/aspeed-bmc-asrock-x470d4u.dts | 381 +++++++++++++++++++++ 4 files changed, 400 insertions(+) --- base-commit: 749c34389679f8d56cb200a69b62f9a64670034f change-id: 20251017-ts-x470d4u-54b9e98e4333 Best regards, -- Tan Siewert