[PATCH v11 4/7] i2c: of-prober: Add simple helpers for regulator support

[AngeloGioacchino Del Regno]

Il 06/11/24 10:33, Chen-Yu Tsai ha scritto:
> Add helpers to do regulator management for the I2C OF component prober.
> Components that the prober intends to probe likely require their
> regulator supplies be enabled, and GPIOs be toggled to enable them or
> bring them out of reset before they will respond to probe attempts.
> GPIOs will be handled in the next patch.
> 
> The assumption is that the same class of components to be probed are
> always connected in the same fashion with the same regulator supply
> and GPIO. The names may vary due to binding differences, but the
> physical layout does not change.
> 
> This set of helpers supports at most one regulator supply. The user
> must specify the node from which the supply is retrieved. The supply
> name and the amount of time to wait after the supply is enabled are
> also given by the user.
> 
> Signed-off-by: Chen-Yu Tsai <wenst at chromium.org>
> Reviewed-by: Douglas Anderson <dianders at chromium.org>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>