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diff --git a/drivers/staging/hikey9xx/Kconfig b/drivers/staging/hikey9xx/Kconfig
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+# SPDX-License-Identifier: GPL-2.0
+
+# to be placed at drivers/phy
+config PHY_HI3670_USB
+ tristate "hi3670 USB PHY support"
+ depends on (ARCH_HISI && ARM64) || COMPILE_TEST
+ select GENERIC_PHY
+ select MFD_SYSCON
+ help
+ Enable this to support the HISILICON HI3670 USB PHY.
+
+ To compile this driver as a module, choose M here.
+
+# to be placed at drivers/spmi
+config SPMI_HISI3670
+ tristate "Hisilicon 3670 SPMI Controller"
+ select IRQ_DOMAIN_HIERARCHY
+ depends on HAS_IOMEM
+ depends on SPMI
+ help
+ If you say yes to this option, support will be included for the
+ built-in SPMI PMIC Arbiter interface on Hisilicon 3670
+ processors.
+
+# to be placed at drivers/mfd
+config MFD_HI6421_SPMI
+ tristate "HiSilicon Hi6421v600 SPMI PMU/Codec IC"
+ depends on OF
+ depends on SPMI
+ select MFD_CORE
+ 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.
+
+# to be placed at drivers/regulator
+config REGULATOR_HI6421V600
+ tristate "HiSilicon Hi6421v600 PMIC voltage regulator support"
+ depends on MFD_HI6421_SPMI && OF
+ depends on REGULATOR
+ help
+ This driver provides support for the voltage regulators on
+ HiSilicon Hi6421v600 PMU / Codec IC.
+ This is used on Kirin 3670 boards, like HiKey 970.