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

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Hi Amélie

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


DT patches looks good. I'll take them in STM32 soc tree as soon as Lee takes driver part.

Regards
Alex




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