ARM: at91: add pinctrl support

This is also include the gpio controller as the IP share both.
Each soc will have to describe the SoC limitation and pin configuration via
DT.

This will allow to do not need to touch the C code when adding new SoC if the
IP version is supported.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 431c3753145a..3d7f11fe610d 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -329,6 +329,8 @@ config ARCH_AT91
         select IRQ_DOMAIN
         select NEED_MACH_GPIO_H
         select NEED_MACH_IO_H if PCCARD
+        select PINCTRL
+        select PINCTRL_AT91 if USE_OF
         help
           This enables support for systems based on Atmel
           AT91RM9200 and AT91SAM9* processors.