Re: [PATCH v7 1/9] dt-bindings: mmc: spacemit,sdhci: add pinctrl support for voltage switching

Conor Dooley
2026-04-13T15:43:11Z

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On Mon, Apr 13, 2026 at 09:24:43AM +0200, Iker Pedrosa wrote:
> Document pinctrl properties to support voltage-dependent pin
> configuration switching for UHS-I SD card modes.
>
> Add optional pinctrl-names property with two states:
> - "default": For 3.3V operation with standard drive strength
> - "state_uhs": For 1.8V operation with optimized drive strength
>
> These pinctrl states allow the SDHCI driver to coordinate voltage
> switching with pin configuration changes, ensuring proper signal
> integrity during UHS-I mode transitions.
>
> Signed-off-by: Iker Pedrosa <ikerpedrosam@gmail.com>

Acked-by: Conor Dooley <conor.dooley@microchip.com>
pw-bot: not-applicable

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