# SPDX-License-Identifier: GPL-2.0 # to be placed at drivers/mfd config MFD_HI6421_SPMI tristate "HiSilicon Hi6421v600 SPMI PMU/Codec IC" depends on HAS_IOMEM depends on OF depends on SPMI select MFD_CORE select REGMAP_SPMI help Add support for HiSilicon Hi6421v600 SPMI PMIC. Hi6421 includes multi-functions, such as regulators, RTC, codec, Coulomb counter, etc. This driver includes core APIs _only_. You have to select individual components like voltage regulators under corresponding menus in order to enable them. We communicate with the Hi6421v600 via a SPMI bus.