ARM: DRA7: Add pinctrl register definitions

Adopting the pinctrl register definitions from Linux kernel
to be consistent.
Old definitions will be removed once all the pinctrl data
is adapted to new definitions.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>

arch/arm/include/asm/arch-omap5/mux_dra7xx.h

@@ -26,6 +26,21 @@
 #define WKEN	(1 << 24)
 #define WKDIS	(0 << 24)
 
+#define PULL_ENA		(0 << 16)
+#define PULL_DIS		(1 << 16)
+#define PULL_UP			(1 << 17)
+#define INPUT_EN		(1 << 18)
+#define SLEWCONTROL		(1 << 19)
+
+/* Active pin states */
+#define PIN_OUTPUT		(0 | PULL_DIS)
+#define PIN_OUTPUT_PULLUP	(PULL_UP)
+#define PIN_OUTPUT_PULLDOWN	(0)
+#define PIN_INPUT		(INPUT_EN | PULL_DIS)
+#define PIN_INPUT_SLEW		(INPUT_EN | SLEWCONTROL)
+#define PIN_INPUT_PULLUP	(PULL_ENA | INPUT_EN | PULL_UP)
+#define PIN_INPUT_PULLDOWN	(PULL_ENA | INPUT_EN)
+
 #define M0	0
 #define M1	1
 #define M2	2