bcma: add GPIO driver

Register a GPIO driver to access the GPIOs provided by the chip.
The GPIOs of the SoC should always start at 0 and the other GPIOs could
start at a random position. There is just one SoC in a system and when
they start at 0 the number is predictable.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Patchwork: http://patchwork.linux-mips.org/patch/4587
Acked-by: Florian Fainelli <florian@openwrt.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/bcma/Kconfig b/drivers/bcma/Kconfig
index a533af218368..d7b56a88c9f4 100644
--- a/drivers/bcma/Kconfig
+++ b/drivers/bcma/Kconfig
@@ -65,6 +65,15 @@ config BCMA_DRIVER_GMAC_CMN
 
           If unsure, say N
 
+config BCMA_DRIVER_GPIO
+        bool "BCMA GPIO driver"
+        depends on BCMA
+        select GPIOLIB
+        help
+          Driver to provide access to the GPIO pins of the bcma bus.
+
+          If unsure, say N
+
 config BCMA_DEBUG
         bool "BCMA debugging"
         depends on BCMA