Input: add support for OMAP4 keyboard controller

OMAP4 keyboard controller includes:
  - built-in scanning algorithm
  - debouncing feature

Driver implementation is based on matrix_keypad.c

Signed-off-by: Syed Rafiuddin <rafiuddin.syed@ti.com>
Signed-off-by: Abraham Arce <x0066660@ti.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/arch/arm/plat-omap/include/plat/omap4-keypad.h b/arch/arm/plat-omap/include/plat/omap4-keypad.h
new file mode 100644
index 000000000000..522a8ab5c5ff
--- /dev/null
+++ b/arch/arm/plat-omap/include/plat/omap4-keypad.h
@@ -0,0 +1,16 @@
+#ifndef ARCH_ARM_PLAT_OMAP4_KEYPAD_H
+#define ARCH_ARM_PLAT_OMAP4_KEYPAD_H
+
+#include <linux/input/matrix_keypad.h>
+
+struct omap4_keypad_platform_data {
+        const struct matrix_keymap_data *keymap_data;
+
+        u8 rows;
+        u8 cols;
+
+        u16 irq;
+        void __iomem *base;
+};
+
+#endif