[PATCH v2 0/4] Add pca9450 driver

[Robin Gong]

Add pca9450 driver for i.mx8mn-evk board. PCA9450A/B/C supported now.
Please refer to below link for PCA9450 datasheet:
https://www.nxp.com/docs/en/data-sheet/PCA9450DS.pdf

v2:
  1. rebase with the latest code to use linear_ranges helper instead.
  2. address Frieder's comments, such as dulipcated buck4 description,
     debug info added etc.

Robin Gong (4):
  regulator: pca9450: add pca9450 pmic driver
  dt-bindings: regulator: add pca9450 regulator yaml
  arm64: dts: imx8mn-evk: add pca9450 for i.mx8mn-evk board
  arm64: configs: add pca9450 pmic driver

 .../bindings/regulator/nxp,pca9450-regulator.yaml  | 190 +++++
 arch/arm64/boot/dts/freescale/imx8mn-evk.dts       |  96 +++
 arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi      |   6 +
 arch/arm64/configs/defconfig                       |   1 +
 drivers/regulator/Kconfig                          |   8 +
 drivers/regulator/Makefile                         |   1 +
 drivers/regulator/pca9450-regulator.c              | 859 +++++++++++++++++++++
 include/linux/regulator/pca9450.h                  | 219 ++++++
 8 files changed, 1380 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml
 create mode 100644 drivers/regulator/pca9450-regulator.c
 create mode 100644 include/linux/regulator/pca9450.h

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2.7.4