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pinctrl: Add IRQ support to STM32 gpios

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This patch adds IRQ support to STM32 gpios.

The EXTI controller has 16 lines dedicated to GPIOs.
EXTI line n can be connected to only line n of one of the GPIO ports, for
example EXTI0 can be connected to either PA0, or PB0, or PC0...
This port selection is done by specifying the port number into System
Config registers.

Signed-off-by: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Alexandre TORGUE
2016-09-09 16:42:01 +02:00
committed by Linus Walleij
parent 23fb16194b
commit 0eb9f68333
2 changed files with 163 additions and 1 deletions
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1
drivers/pinctrl/stm32/Kconfig
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@@ -6,6 +6,7 @@ config PINCTRL_STM32
select PINMUX
select GENERIC_PINCONF
select GPIOLIB
select MFD_SYSCON
config PINCTRL_STM32F429
bool "STMicroelectronics STM32F429 pin control" if COMPILE_TEST && !MACH_STM32F429