powerpc/4xx: Add PowerPC 4xx GPIO driver

This patch adds support for the GPIO functions of PPC40x and PPC44x
SOCs.

Signed-off-by: Steve Falco <sfalco@harris.com>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Sean MacLennan <smaclennan@pikatech.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 79c1154f88d4..3496bc05058e 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -167,6 +167,14 @@ config PPC44x_SIMPLE
         help
           This option enables the simple PowerPC 44x platform support.
 
+config PPC4xx_GPIO
+        bool "PPC4xx GPIO support"
+        depends on 44x
+        select ARCH_REQUIRE_GPIOLIB
+        select GENERIC_GPIO
+        help
+          Enable gpiolib support for ppc440 based boards
+
 # 44x specific CPU modules, selected based on the board above.
 config 440EP
         bool