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[61.220.246.151]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b083516ae1sm103668865ad.13.2026.03.23.05.43.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Mar 2026 05:43:37 -0700 (PDT) From: Potin Lai Subject: [PATCH v4 0/2] Add Meta (Facebook) SanMiguel BMC (AST2620) Date: Mon, 23 Mar 2026 20:41:04 +0800 Message-Id: <20260323-sanmiguel_init_dts-v4-0-caaa48a7f7be@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAOA0wWkC/33NSwqDMBCA4atI1k1JMj5iV71HKZJXdaDGYqy0i HdvdFMp0s3APzDfTCS4Hl0gp2QivRsxYOdjpIeEmEb52lG0sYlgImdx0KB8i/XT3Sv0OFR2CLQ ojdUAJmM2I/Hw0bsbvlb0co3dYBi6/r3+GPmy/cuNnDJqGBOgXMplWZ7rVuH9aLqWLNwotgTsE iISucpyKQwIDfKXgC8BnO8SEAmhU8uVLpRUfEvM8/wB/+8a1joBAAA= To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Joel Stanley , Andrew Jeffery , Patrick Williams Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org, Cosmo Chou , Mike Hsieh , Potin Lai , Potin Lai , Conor Dooley , Andrew Lunn X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1774269813; l=2647; i=potin.lai.pt@gmail.com; s=20240724; h=from:subject:message-id; bh=e+YdCl+fCYreU47gtwqy03Jl+PvxUX7nHi35h7gNzJc=; b=uHObNyONEAf4p/vGAYVGeay41iAESMvQI/0AI6Npa6OHdAZhzJWkQMMQke82nm6dZZJNgBsuq B9JfrHwOxFEDLzeDMzB3p1Tl/B4l8QHXe36n7cCPbi2Y4P6l2KtkU8c X-Developer-Key: i=potin.lai.pt@gmail.com; a=ed25519; pk=6Z4H4V4fJwLteH/WzIXSsx6TkuY5FOcBBP+4OflJ5gM= Add Linux device tree entries for Meta (Facebook) SanMiguel specific devices connected to the AST2620 BMC SoC. Signed-off-by: Potin Lai --- Changes in v4: - Include openbmc-flash-layout-128-alt.dtsi in flash1. - Rearrange the DTS nodes and properties alphabetically. - Disable the internal pull-down resistors for below GPIO pins - GPIOM4, GPIOM5, GPIOV4, GPIOV7 - Adjust GPIO liname - Move `PCB_TEMP_ALERT-I` (GPIOV5 --> GPIOV4) - Add `HSC4_S5_OR_S0_N-O` (pdb_ioexp_20, p12) - Link to v3: https://lore.kernel.org/r/20260311-sanmiguel_init_dts-v3-0-2b4d1ab7a8a1@gmail.com Changes in v3: - Update the model name to "Facebook SanMiguel BMC". - Remove CP2112 and downstream IOEXP nodes as the upstream driver is not yet available. - Remove the following EEPROM nodes until the bus numbers and addresses are confirmed: - 3-0051: HMC FRU EEPROM - 3-0052: HPM0 FRU EEPROM - 3-0053: HPM1 FRU EEPROM - Change the compatible property of the following EEPROM nodes from 24c02 to 24c128: - 5-0050: SMM FRU EEPROM - 9-0050: PDB FRU EEPROM - 13-0055: SMM EXT FRU EEPROM - Fix the smm_temp node address typo (0x4e -> 0x48). - Remove nodes that no longer exist in the latest board design: - 19-006f: RTC (nct3018y) - 9-0075: IO expander (pca9555) - Update linenames to match the reference design: - B0_M0_AIC_USB_EN-O -> B0_M0_CPU_L0_RST_IND_L-O - B0_M0_BRD_ID_2-I -> B0_M0_BMC_TO_GPU_MCU_I2C_EN-O - B1_M0_AIC_USB_EN-O -> B1_M0_CPU_L0_RST_IND_L-O - B1_M0_BRD_ID_2-I -> B1_M0_BMC_TO_GPU_MCU_I2C_EN-O - IOX_GPIO_P16_TP -> USB2_BMC_HUB2_RST_L-O - I2C_PDB_ALERT_L-I -> X86_TPM_RST_SEL_L-O - Remove unexpected or unsupported properties from SSIF and IOEXP nodes. - Change all status values from "ok" to "okay" for consistency. - Link to v2: https://lore.kernel.org/r/20260203-sanmiguel_init_dts-v2-0-6a5682c32b38@gmail.com Changes in v2: - change mac0 phy-mode to rgmii-id - remove max-speed attribute from mac0 - Link to v1: https://lore.kernel.org/r/20260202-sanmiguel_init_dts-v1-0-c0023ae41899@gmail.com --- Potin Lai (2): dt-bindings: arm: aspeed: add Meta SanMiguel BMC ARM: dts: aspeed: Add Meta SanMiguel BMC .../devicetree/bindings/arm/aspeed/aspeed.yaml | 1 + arch/arm/boot/dts/aspeed/Makefile | 1 + .../dts/aspeed/aspeed-bmc-facebook-sanmiguel.dts | 668 +++++++++++++++++++++ 3 files changed, 670 insertions(+) --- base-commit: 24d479d26b25bce5faea3ddd9fa8f3a6c3129ea7 change-id: 20260202-sanmiguel_init_dts-79cdb33c50d5 Best regards, -- Potin Lai