ARM: bcm2835: enable GPIO/pinctrl
Enable GPIO and pinctrl in Kconfig.
Add required <mach/gpio.h> for gpiolib.
Instantiate the BCM2835 GPIO module in bcm2835.dtsi.
Add a pinctrl definition to bcm2835-rpi-b.dts that sets up all of the
board's required pinmux configuration. GPIO aren't specified; that's
left to gpio_request().
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 73067ef..7cce11a 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -336,7 +336,7 @@
config ARCH_BCM2835
bool "Broadcom BCM2835 family"
- select ARCH_WANT_OPTIONAL_GPIOLIB
+ select ARCH_REQUIRE_GPIOLIB
select ARM_AMBA
select ARM_ERRATA_411920
select ARM_TIMER_SP804
@@ -344,7 +344,10 @@
select COMMON_CLK
select CPU_V6
select GENERIC_CLOCKEVENTS
+ select GENERIC_GPIO
select MULTI_IRQ_HANDLER
+ select PINCTRL
+ select PINCTRL_BCM2835
select SPARSE_IRQ
select USE_OF
help