Il 06/11/24 10:33, Chen-Yu Tsai ha scritto:
Add GPIO support to the simple helpers 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. Regulator supplies were handled in the previous 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 supports at most one GPIO pin. The user must specify the GPIO name, the polarity, and the amount of time to wait after the GPIO is toggled. Devices with more than one GPIO pin likely require specific power sequencing beyond what generic code can easily support. Signed-off-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx> Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx> Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
