# \[PATCH v2 11/18\] pinctrl: Add pinctrl driver for STM32 MCUs

- From: Linus Walleij \<hidden\>
- Date: 2015-03-18 01:08:17 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2015/03/4453462
- Thread: https://ratatoskr.run/linux-arm-kernel/2015/02/4434727/t.md

```text
On Tue, Mar 10, 2015 at 4:08 PM, Arnd Bergmann [ref] wrote:
> On Friday 20 February 2015 19:01:10 Maxime Coquelin wrote:

>> +/* Pull-Up/Down */
>> +#define NO_PULL                0
>> +#define PULL_UP                1
>> +#define PULL_DOWN      2
>> +
>> +/* Type */
>> +#define PUSH_PULL      (0 << 2)
>> +#define OPEN_DRAIN     (1 << 2)
>> +
>
> These should probably not be stm32 specific at all, they sound
> rather generic, so maybe put the definitions into a common file.

It's part of what GENERIC_PINCONF does and it has bindings
in Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt

Yours,
Linus Walleij
```