[ARM] 4603/1: KS8695: debugfs interface to view pin state

This patch adds a debug interface (if CONFIG_DEBUG_FS is selected) to
display the basic configuration and current state of the GPIO pins on
the Kendin/Micrel KS8695 processor.

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/asm-arm/arch-ks8695/regs-gpio.h b/include/asm-arm/arch-ks8695/regs-gpio.h
index 57fcf9fc82e4..6b95d77aea19 100644
--- a/include/asm-arm/arch-ks8695/regs-gpio.h
+++ b/include/asm-arm/arch-ks8695/regs-gpio.h
@@ -49,5 +49,7 @@
 #define IOPC_TM_FALLING         (4)             /* Falling Edge Detection */
 #define IOPC_TM_EDGE            (6)             /* Both Edge Detection */
 
+/* Port Data Register */
+#define IOPD_(x)                (1 << (x))      /* Signal Level of GPIO Pin x */
 
 #endif