On Tue, Mar 10, 2015 at 4:08 PM, Arnd Bergmann [off-list ref] wrote:

On Friday 20 February 2015 19:01:10 Maxime Coquelin wrote:

quoted

+/* 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