[PATCH v2] cmd: kconfig: i2c: add missing I2C API dependency

[Heiko Schocher]

Hello Julian,

On 02.07.26 17:26, Julien Stephan wrote:
> CMD_I2C relies on either the Driver Model I2C API or the legacy I2C
> API, but its Kconfig currently does not enforce either dependency.
> 
> As a result, enabling CMD_I2C without DM_I2C or SYS_I2C_LEGACY can lead
> to link errors due to unresolved i2c_* symbols.
> 
> Require either DM_I2C or SYS_I2C_LEGACY to prevent unsupported
> configurations while preserving support for legacy platforms.
> 
> Signed-off-by: Julien Stephan <jstephan at baylibre.com>
> ---
> CMD_I2C relies on either the Driver Model I2C API or the legacy I2C
> API, but its Kconfig currently does not enforce either dependency.
> 
> In order to not break some legacy I2C board, we need to keep
> SYS_I2C_LEGACY in the depends on logic
> 
> $ ./tools/qconfig.py -f CMD_I2C ~DM_I2C
> 15 matches
> MPC837XERDB cl-som-imx7 d2net_v2 db-88f6720 db-88f6820-gp inetspace_v2 ls2080aqds_nand ls2080aqds_qspi ls2080ardb_nand net2big_v2 netspace_lite_v2 netspace_max_v2 netspace_mini_v2 netspace_v2 work_92105
> ---
> Changes in v2:
> - Add SYS_I2C_LEGACY in the depends on logic
> - Link to v1: https://patch.msgid.link/20260701-cmd-i2-add-dm-i2c-dependency-v1-1-19ebda3a80f8@baylibre.com

Reviewed-by: Heiko Schocher <hs at nabladev.com>

Thanks!

bye,
Heiko

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