linux-kernel - [PATCH v3 0/2] Add TechNexion EDM-G-IMX8M-PLUS SOM and WB-EDM-G carrier board support

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Message-Id: <20250709-add-technexion-edm-g-imx8m-plus-som-v3-0-721d198ce20b@technexion.com>
Date: Wed, 09 Jul 2025 13:47:43 +0800
From: Richard Hu <richard.hu@...hnexion.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
 Richard Hu <richard.hu@...hnexion.com>, 
 Ray Chang <ray.chang@...hnexion.com>
Subject: [PATCH v3 0/2] Add TechNexion EDM-G-IMX8M-PLUS SOM and WB-EDM-G
 carrier board support

Add initial support for TechNexion EDM-G-IMX8M-PLUS SOM and WB-EDM-G
carrier board.

Changes in v3:
- The changes address DT schema warnings, remove unused regulators, and 
  improve the overall structure.

in patch 2/2:
       - Fixed DT Schema Warnings: Renamed the i2c-gpio node to i2c-0 to 
         resolve a naming convention warning reported by Rob's checker.

       - Removed Unused Regulators: Removed several unused regulator-fixed
         nodes for LVDS, backlight, ethernet power, and the OTG VBUS, as 
         pointed out by Peng Fan.
   
       - Added EEPROM Nodes: Added device tree nodes for the EEPROMs 
         present on both the SOM and the baseboard.   
    
       - Node Reorganization: Relocated the iomuxc node to the end of the 
         device tree files for better readability.

Change in V2:
- Ensured accurate `To:` and `Cc:` addresses by utilizing
  `b4 prep --auto-to-cc`. (Thanks to Krzysztof Kozlowski for the
  tip on this command and helpful suggestion from Rob Herring)

in patch 1/2:
        - Add Acked-by tag

in patch 2/2:
        - Generic Node Naming: Refactored device tree node names for I2C
          GPIO expanders, the USB Type-C controller, and the PMIC to adhere
          to generic naming conventions (e.g., `gpio@21`, `usb-typec@67`,
          `pmic@25`).

        - Removed Unused SPI Node: Eliminated the `spidev1` node due to an
          incorrect and non-existent compatible string (`rohm,dh2228fv`).

        - Minor formatting improvements (e.g., whitespace, indentation).

Signed-off-by: Richard Hu <richard.hu@...hnexion.com>
---
Ray Chang (1):
      dt-bindings: arm: fsl: Add EDM-G-IMX8M-PLUS SOM and WB-EDM-G carrier board

Richard Hu (1):
      arm64: dts: imx8mp: Add TechNexion EDM-G-IMX8M-PLUS SOM on WB-EDM-G carrier board

 Documentation/devicetree/bindings/arm/fsl.yaml    |   7 +
 arch/arm64/boot/dts/freescale/Makefile            |   1 +
 arch/arm64/boot/dts/freescale/imx8mp-edm-g-wb.dts | 373 ++++++++++
 arch/arm64/boot/dts/freescale/imx8mp-edm-g.dtsi   | 806 ++++++++++++++++++++++
 4 files changed, 1187 insertions(+)
---
base-commit: d7b8f8e20813f0179d8ef519541a3527e7661d3a
change-id: 20250604-add-technexion-edm-g-imx8m-plus-som-79adf0b397eb

Best regards,
-- 
Richard Hu <richard.hu@...hnexion.com>