Input: ADP5588 - add support for ADP5587 devices

The ADP5587 is quite similar to the ADP5588 but features a greater I/O
voltage range and lacks the Dual Light Sensor Interface.  This new part
is also supported by this driver.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

drivers/input/keyboard/Kconfig

@@ -35,10 +35,10 @@ config KEYBOARD_ADP5520
 	  be called adp5520-keys.
 
 config KEYBOARD_ADP5588
-	tristate "ADP5588 I2C QWERTY Keypad and IO Expander"
+	tristate "ADP5588/87 I2C QWERTY Keypad and IO Expander"
 	depends on I2C
 	help
-	  Say Y here if you want to use a ADP5588 attached to your
+	  Say Y here if you want to use a ADP5588/87 attached to your
 	  system I2C bus.
 
 	  To compile this driver as a module, choose M here: the

drivers/input/keyboard/adp5588-keys.c

 /*
  * File: drivers/input/keyboard/adp5588_keys.c
- * Description:  keypad driver for ADP5588 I2C QWERTY Keypad and IO Expander
+ * Description:  keypad driver for ADP5588 and ADP5587
+ *		 I2C QWERTY Keypad and IO Expander
  * Bugs: Enter bugs at http://blackfin.uclinux.org/
  *
  * Copyright (C) 2008-2009 Analog Devices Inc.
@@ -327,6 +328,7 @@ static struct dev_pm_ops adp5588_dev_pm_ops = {
 
 static const struct i2c_device_id adp5588_id[] = {
 	{ KBUILD_MODNAME, 0 },
+	{ "adp5587-keys", 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, adp5588_id);
@@ -357,5 +359,5 @@ module_exit(adp5588_exit);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
-MODULE_DESCRIPTION("ADP5588 Keypad driver");
+MODULE_DESCRIPTION("ADP5588/87 Keypad driver");
 MODULE_ALIAS("platform:adp5588-keys");