On Fri, 21 Jul 2023 at 12:14, Victor Shih <victorshihgli@xxxxxxxxx> wrote: > > From: Ulf Hansson <ulf.hansson@xxxxxxxxxx> > > Updates in V4: > - Moved the voltage defines into this patch. > > Update in previous version: Please drop the version information from the commit message. > To allow an additional external regulator to be controlled by an mmc host > driver, let's add support for a vqmmc2 regulator to the mmc core. > > For an SD UHS-II interface the vqmmc2 regulator may correspond to the so > called vdd2 supply, as described by the SD spec. Initially, only 1.8V is > needed, hence limit the new helper function, mmc_regulator_set_vqmmc2() to > this too. > > Note that, to allow for flexibility mmc host drivers need to manage the > enable/disable of the vqmmc2 regulator themselves, while the regulator is > looked up through the common mmc_regulator_get_supply(). > > Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx> [...] Kind regards Uffe
