This patchset adds driver for HiSilicon Hi6421v530 PMIC.
Mainline kernel already has driver support to a similar chip, Hi6421.
Hi6421 and Hi6421v530 are both from the same vendor, HiSilicon, but
they are at different revisions. They both use the same Memory-mapped
I/O method to communicate with Main SoC. However, they differ quite a
lot in their regulator designs. Eg. they have completely different LDO
voltage points.
Patch 1 and 2 extends hi6421-pmic-core.c to support Hi6421v530 revision.
Patch 3 add hi6421v530-regulator.c driver for LDO regulators.
Patch 4 fixes an issue for hi6421 regulator, which is not related to v530
but it's found in this review.
Patch 5 is dts change, it depends and can be applied on hi3660/hikey960
patchset [1].
Patch 6 enables the relevant config items.
[1], http://www.spinics.net/lists/devicetree/msg178303.html
Major changes in v2:
- instead of writing a new driver, extend hi6421-pmic-core.c
to support its v530 revision
- update hi6421v530-regulator.c to use modern regulator driver
design logics.
Guodong Xu (4):
dt-bindings: mfd: hi6421: Add hi6421v530 compatible string
mfd: hi6421-pmic: add support for HiSilicon Hi6421v530
regulator: hi6421: Describe consumed platform device
arm64: defconfig: enable support hi6421v530 PMIC
Wang Xiaoyin (2):
regulator: hi6421v530: add driver for hi6421v530 voltage regulator
arm64: dts: hikey960: add device node for pmic and regulators
Documentation/devicetree/bindings/mfd/hi6421.txt | 4 +-
arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts | 46 +++++
arch/arm64/configs/defconfig | 2 +
drivers/mfd/hi6421-pmic-core.c | 56 ++++--
drivers/regulator/Kconfig | 10 ++
drivers/regulator/Makefile | 1 +
drivers/regulator/hi6421-regulator.c | 7 +
drivers/regulator/hi6421v530-regulator.c | 209 ++++++++++++++++++++++
include/linux/mfd/hi6421-pmic.h | 5 +
9 files changed, 326 insertions(+), 14 deletions(-)
create mode 100644 drivers/regulator/hi6421v530-regulator.c
--
2.10.2
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