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/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig
index 9bd152553050..65730275e012 100644
--- a/arch/powerpc/platforms/40x/Kconfig
+++ b/arch/powerpc/platforms/40x/Kconfig
@@ -169,6 +169,14 @@ config STB03xxx
         select IBM405_ERR77
         select IBM405_ERR51
 
+config PPC4xx_GPIO
+        bool "PPC4xx GPIO support"
+        depends on 40x
+        select ARCH_REQUIRE_GPIOLIB
+        select GENERIC_GPIO
+        help
+          Enable gpiolib support for ppc40x based boards
+
 # 40x errata/workaround config symbols, selected by the CPU models above
 
 # All 405-based cores up until the 405GPR and 405EP have this errata.