Input: samsung-keypad - Add samsung keypad driver

This patch adds support for keypad driver running on Samsung cpus. This
driver is tested on GONI and Aquila board using S5PC110 cpu.

[ch.naveen@samsung.com: tested on SMDK6410, SMDKC100, and SMDKV210]
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Tested-by: Naveen Krishna Ch <ch.naveen@samsung.com>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 43 insertions, 0 deletions

diff --git a/arch/arm/plat-samsung/include/plat/keypad.h b/arch/arm/plat-samsung/include/plat/keypad.h
new file mode 100644
index 000000000000..3a70c125fe51
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/keypad.h
@@ -0,0 +1,43 @@
+/*
+ * Samsung Platform - Keypad platform data definitions
+ *
+ * Copyright (C) 2010 Samsung Electronics Co.Ltd
+ * Author: Joonyoung Shim <jy0922.shim@samsung.com>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#ifndef __PLAT_SAMSUNG_KEYPAD_H
+#define __PLAT_SAMSUNG_KEYPAD_H
+
+#include <linux/input/matrix_keypad.h>
+
+#define SAMSUNG_MAX_ROWS        8
+#define SAMSUNG_MAX_COLS        8
+
+/**
+ * struct samsung_keypad_platdata - Platform device data for Samsung Keypad.
+ * @keymap_data: pointer to &matrix_keymap_data.
+ * @rows: number of keypad row supported.
+ * @cols: number of keypad col supported.
+ * @no_autorepeat: disable key autorepeat.
+ * @wakeup: controls whether the device should be set up as wakeup source.
+ * @cfg_gpio: configure the GPIO.
+ *
+ * Initialisation data specific to either the machine or the platform
+ * for the device driver to use or call-back when configuring gpio.
+ */
+struct samsung_keypad_platdata {
+        const struct matrix_keymap_data *keymap_data;
+        unsigned int rows;
+        unsigned int cols;
+        bool no_autorepeat;
+        bool wakeup;
+
+        void (*cfg_gpio)(unsigned int rows, unsigned int cols);
+};
+
+#endif /* __PLAT_SAMSUNG_KEYPAD_H */