[PATCH v2 6/9] mmc: sdhci-cadence: Use hardware version field for Cadence SDHCI controller

Peng Fan peng.fan at oss.nxp.com
Thu Dec 11 11:24:09 CET 2025


On Wed, Dec 03, 2025 at 04:21:36AM -0800, Tanmay Kathpalia wrote:
>Replace device tree compatible string checks with hardware version field
>detection to determine SDHCI controller capabilities. This approach is
>more robust and aligns with standard SDHCI specification practices.
>Controllers with SDHCI version 4.2 and above will automatically use the
>enhanced PHY adjustment, and tuning v6-specific procedures.
>
>Signed-off-by: Tanmay Kathpalia <tanmay.kathpalia at altera.com>
>Reviewed-by: Balsundar Ponnusamy <balsundar.ponnusamy at altera.com>

Acked-by: Peng Fan <peng.fan at nxp.com>


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