[PATCH v4 0/2] Add TechNexion EDM-G-IMX8M-PLUS SOM and WB-EDM-G carrier board support

Richard Hu richard.hu at technexion.com
Mon Aug 18 01:43:06 PDT 2025


On Thu, Jul 24, 2025 at 10:34:04AM +0800, Richard Hu wrote:
> Add initial support for TechNexion EDM-G-IMX8M-PLUS SOM and WB-EDM-G
> carrier board.
> 
> Changes in v4:
> - Incorporate review feedback from Shawn and apply further cleanups to DTS
>   style and node naming.
> 
> in patch 2/2:
>        - Addressed formatting issues by adding newlines and removing
>          unnecessary backslashes.
> 
>        - Removed the lvds-backlight node for the optional display panel,
>          which will be handled by a device tree overlay.
> 
>        - Aligned several node names with DT conventions. For example:
>          - `codec at 1a` -> `audio-codec at 1a`
>          - `gpio-leds` -> `leds`
>          - `pcie0-refclk` -> `clock-pcie-ref`
>          - `wlreg-on` -> `regulator-wl-reg-on`
> 
> 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 at 21`, `usb-typec at 67`,
>           `pmic at 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).
> 

Hi Shawn,

This is just a gentle ping to follow up on this patch series, in case it got buried in other emails.

Thanks, 

Richard



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