Input: add support for Nomadik SKE keypad controller

Add support for the keypad controller in the Scroll Key Encoder (SKE)
module on the Nomadik family and the DB8500 SoC.

Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Sundar Iyer <sundar.iyer@stericsson.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 50 insertions, 0 deletions

diff --git a/arch/arm/plat-nomadik/include/plat/ske.h b/arch/arm/plat-nomadik/include/plat/ske.h
new file mode 100644
index 00000000000..31382fbc07d
--- /dev/null
+++ b/arch/arm/plat-nomadik/include/plat/ske.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License Terms: GNU General Public License v2
+ * Author: Naveen Kumar Gaddipati <naveen.gaddipati@stericsson.com>
+ *
+ * ux500 Scroll key and Keypad Encoder (SKE) header
+ */
+
+#ifndef __SKE_H
+#define __SKE_H
+
+#include <linux/input/matrix_keypad.h>
+
+/* register definitions for SKE peripheral */
+#define SKE_CR          0x00
+#define SKE_VAL0        0x04
+#define SKE_VAL1        0x08
+#define SKE_DBCR        0x0C
+#define SKE_IMSC        0x10
+#define SKE_RIS         0x14
+#define SKE_MIS         0x18
+#define SKE_ICR         0x1C
+
+/*
+ * Keypad module
+ */
+
+/**
+ * struct keypad_platform_data - structure for platform specific data
+ * @init:       pointer to keypad init function
+ * @exit:       pointer to keypad deinitialisation function
+ * @keymap_data: matrix scan code table for keycodes
+ * @krow:       maximum number of rows
+ * @kcol:       maximum number of columns
+ * @debounce_ms: platform specific debounce time
+ * @no_autorepeat: flag for auto repetition
+ * @wakeup_enable: allow waking up the system
+ */
+struct ske_keypad_platform_data {
+        int (*init)(void);
+        int (*exit)(void);
+        const struct matrix_keymap_data *keymap_data;
+        u8 krow;
+        u8 kcol;
+        u8 debounce_ms;
+        bool no_autorepeat;
+        bool wakeup_enable;
+};
+#endif  /*__SKE_KPD_H*/