Input: add ROHM BU21013 touch panel controller support

Add the ROHM BU21013 capacitive touch panel controller support with
i2c interface.

Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Naveen Kumar Gaddipati <naveen.gaddipati@stericsson.com>
Acked-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 44 insertions, 0 deletions

diff --git a/include/linux/input/bu21013.h b/include/linux/input/bu21013.h
new file mode 100644
index 000000000000..e470d387dd49
--- /dev/null
+++ b/include/linux/input/bu21013.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ * Author: Naveen Kumar G <naveen.gaddipati@stericsson.com> for ST-Ericsson
+ * License terms:GNU General Public License (GPL) version 2
+ */
+
+#ifndef _BU21013_H
+#define _BU21013_H
+
+/**
+ * struct bu21013_platform_device - Handle the platform data
+ * @cs_en:      pointer to the cs enable function
+ * @cs_dis:     pointer to the cs disable function
+ * @irq_read_val:    pointer to read the pen irq value function
+ * @x_max_res: xmax resolution
+ * @y_max_res: ymax resolution
+ * @touch_x_max: touch x max
+ * @touch_y_max: touch y max
+ * @cs_pin: chip select pin
+ * @irq: irq pin
+ * @ext_clk: external clock flag
+ * @x_flip: x flip flag
+ * @y_flip: y flip flag
+ * @wakeup: wakeup flag
+ *
+ * This is used to handle the platform data
+ */
+struct bu21013_platform_device {
+        int (*cs_en)(int reset_pin);
+        int (*cs_dis)(int reset_pin);
+        int (*irq_read_val)(void);
+        int x_max_res;
+        int y_max_res;
+        int touch_x_max;
+        int touch_y_max;
+        unsigned int cs_pin;
+        unsigned int irq;
+        bool ext_clk;
+        bool x_flip;
+        bool y_flip;
+        bool wakeup;
+};
+
+#endif