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On some designs the regulators for the AVDD / DOVDD / DVDD power rails are controlled by Linux. Add support to the driver for getting regulators for these 3 rails and for enabling these regulators when necessary. The datasheet specifies a delay of 0ns between enabling the regulators, IOW they can all 3 be enabled at the same time. This allows using the bulk regulator API. The regulator core will provide dummy regulators for the 3 power-rails when necessary. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Ricardo Ribalda <ribalda@chromium.org> Tested-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Linux kernel
============
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