Re: [PATCH v4 0/9] Introduce STMFX I2C Multi-Function eXpander

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Hi,

A gentle ping on this series (mfd + pinctrl patches, DT patches will be 
taken in STM32 soc tree).

Regards,
Amelie

On 2/27/19 10:34 AM, Amelie Delaunay wrote:
> This series adds support for STMicroelectronics Multi-Function eXpander
> (STMFX), used on some STM32 discovery and evaluation boards.
> 
> STMFX is an STM32L152 slave controller whose firmware embeds the following
> features:
> - I/O expander (16 GPIOs + 8 extra if the other features are not enabled),
> - resistive touchscreen controller,
> - IDD measurement.
> 
> I2C stuff and chip initialization is based on an MFD parent driver, which
> registers STMFX features MFD children.
> 
> ---
> Changes in v4:
> - mfd: move registers #define into the header
> - mfd: merge stmfx and stmfx_ddata structures into one stmfx structure
> - mfd: change stmfx_chip_init/exit and stmfx_irq_init/exit args: use
>    i2c_client struct and i2c_get_clientdata
> - mfd: fix typos
> - mfd: add MFD cells for IDD and TS features
> - pinctrl: rework registers #define
> - dts: add STMFX support on stm32mp157c-ev1
> Changes in v3:
> - fix MFD interrupt bindings
> - fix drivers/mfd/stmfx.c:103:8: warning: 'mask' may be used uninitialized
>    in this function
> Changes in v2:
> - move to MFD parent driver for i2c stuff and chip initialization
> - improve regmap configuration
> - take advantage of the use of gpio-ranges
> 
> Amelie Delaunay (9):
>    dt-bindings: mfd: Add ST Multi-Function eXpander (STMFX) core bindings
>    mfd: Add ST Multi-Function eXpander (STMFX) core driver
>    dt-bindings: pinctrl: document the STMFX pinctrl bindings
>    pinctrl: Add STMFX GPIO expander Pinctrl/GPIO driver
>    ARM: dts: stm32: add STMFX support on stm32746g-eval
>    ARM: dts: stm32: add joystick support on stm32746g-eval
>    ARM: dts: stm32: add orange and blue leds on stm32746g-eval
>    ARM: dts: stm32: add STMFX support on stm32mp157c-ev1
>    ARM: dts: stm32: add joystick support on stm32mp157c-ev1
> 
>   Documentation/devicetree/bindings/mfd/stmfx.txt    |  28 +
>   .../devicetree/bindings/pinctrl/pinctrl-stmfx.txt  | 116 +++
>   arch/arm/boot/dts/stm32746g-eval.dts               |  66 ++
>   arch/arm/boot/dts/stm32mp157c-ev1.dts              |  60 ++
>   drivers/mfd/Kconfig                                |  13 +
>   drivers/mfd/Makefile                               |   2 +-
>   drivers/mfd/stmfx.c                                | 568 ++++++++++++++
>   drivers/pinctrl/Kconfig                            |  12 +
>   drivers/pinctrl/Makefile                           |   1 +
>   drivers/pinctrl/pinctrl-stmfx.c                    | 820 +++++++++++++++++++++
>   include/linux/mfd/stmfx.h                          | 123 ++++
>   11 files changed, 1808 insertions(+), 1 deletion(-)
>   create mode 100644 Documentation/devicetree/bindings/mfd/stmfx.txt
>   create mode 100644 Documentation/devicetree/bindings/pinctrl/pinctrl-stmfx.txt
>   create mode 100644 drivers/mfd/stmfx.c
>   create mode 100644 drivers/pinctrl/pinctrl-stmfx.c
>   create mode 100644 include/linux/mfd/stmfx.h
> 




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