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SubjectRe: [PATCH v2 11/18] pinctrl: Add pinctrl driver for STM32 MCUs
On Fri, Feb 20, 2015 at 7:01 PM, Maxime Coquelin
<> wrote:

> This driver adds pinctrl and GPIO support to STMicrolectronic's
> STM32 family of MCUs.
> Pin muxing and GPIO handling have been tested on STM32F429
> based Discovery board.
> Signed-off-by: Maxime Coquelin <>

> +config PINCTRL_STM32
> + bool "STMicroelectronics STM32 pinctrl driver"
> + depends on OF
> + depends on ARCH_STM32 || COMPILE_TEST
> + select PINMUX
> + select PINCONF
> + help
> + This selects the device tree based generic pinctrl driver for STM32.

Good start! Especially that you use GPIOLIB_IRQCHIP.

But this (as discussed earlier) should select GENERIC_PINCONF

Stopping review here so you can reengineer it a bit using GENERIC_PINCONF
for next submission.

Also think about pinmux in single registers, whether you want to do this
with a single value for a register or using strings to identify groups
and functions.

Linus Walleij

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