Input: add support for Blackfin BF54x Keypad controller

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

arch/blackfin/mach-bf548/boards/ezkit.c

@@ -88,7 +88,7 @@ static struct platform_device bf54x_lq043_device = {
 #endif
 
 #if defined(CONFIG_KEYBOARD_BFIN) || defined(CONFIG_KEYBOARD_BFIN_MODULE)
-static int bf548_keymap[] = {
+static const unsigned int bf548_keymap[] = {
 	KEYVAL(0, 0, KEY_ENTER),
 	KEYVAL(0, 1, KEY_HELP),
 	KEYVAL(0, 2, KEY_0),
@@ -110,8 +110,8 @@ static int bf548_keymap[] = {
 static struct bfin_kpad_platform_data bf54x_kpad_data = {
 	.rows			= 4,
 	.cols			= 4,
-	.keymap 		= bf548_keymap,
-	.keymapsize 		= ARRAY_SIZE(bf548_keymap),
+	.keymap			= bf548_keymap,
+	.keymapsize		= ARRAY_SIZE(bf548_keymap),
 	.repeat			= 0,
 	.debounce_time		= 5000,	/* ns (5ms) */
 	.coldrive_time		= 1000, /* ns (1ms) */

drivers/input/keyboard/Kconfig

@@ -284,4 +284,13 @@ config KEYBOARD_MAPLE
 	  To compile this driver as a module, choose M here: the
 	  module will be called maple_keyb.
 
+config KEYBOARD_BFIN
+	tristate "Blackfin BF54x keypad support"
+	depends on BF54x
+	help
+	  Say Y here if you want to use the BF54x keypad.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called bf54x-keys.
+
 endif

drivers/input/keyboard/Makefile

@@ -24,4 +24,4 @@ obj-$(CONFIG_KEYBOARD_GPIO)		+= gpio_keys.o
 obj-$(CONFIG_KEYBOARD_HP6XX)		+= jornada680_kbd.o
 obj-$(CONFIG_KEYBOARD_HP7XX)		+= jornada720_kbd.o
 obj-$(CONFIG_KEYBOARD_MAPLE)		+= maple_keyb.o
-
+obj-$(CONFIG_KEYBOARD_BFIN)		+= bf54x-keys.o