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dts: arm: stm32f4: Add pinctrl node and uart pin information

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Add needed uart pinctrl configuration in pinmux node.
This is done thanks to <soc>-pinctrl.dtsi file matching
the <soc>.dtsi files
Populate stm32 f4 based boards dts files with references
to uart pinctrl nodes.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
This commit is contained in:
Erwan Gouriou 2017-07-25 11:02:42 +02:00 • committed by Kumar Gala
commit e514554cd1
17 changed files with 191 additions and 0 deletions
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include/dt-bindings/pinctrl/stm32-pinctrl.h
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@ -56,6 +56,7 @@
/* Usefull definitions */
#define STM32_PUSHPULL_NOPULL (STM32_OTYPER_PUSH_PULL | STM32_PUPDR_NO_PULL)
#define STM32_OPENDRAIN_PULLUP (STM32_OTYPER_OPEN_DRAIN | STM32_PUPDR_PULL_UP)
#define STM32_PUSHPULL_PULLUP (STM32_OTYPER_PUSH_PULL | STM32_PUPDR_PULL_UP)
/* Alternate functions numbers*/
#define STM32_FUNC_ALT_0 0