Input: add support for TI Touchscreen controller

This patch adds support for TI's touchscreen
controller for a 4/5/8 wire resistive panel
that is directly fed to the ADC.

This touchscreen controller will be part of
AM335x TI SoC. The TRM can be found at:
http://www.ti.com/lit/ug/spruh73a/spruh73a.pdf

Signed-off-by: Patil, Rachna <rachna@ti.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 17 insertions, 0 deletions

diff --git a/include/linux/input/ti_tscadc.h b/include/linux/input/ti_tscadc.h
new file mode 100644
index 000000000000..b10a527a92a4
--- /dev/null
+++ b/include/linux/input/ti_tscadc.h
@@ -0,0 +1,17 @@
+#ifndef __LINUX_TI_TSCADC_H
+#define __LINUX_TI_TSCADC_H
+
+/**
+ * struct tsc_data      Touchscreen wire configuration
+ * @wires:              Wires refer to application modes
+ *                      i.e. 4/5/8 wire touchscreen support
+ *                      on the platform.
+ * @x_plate_resistance: X plate resistance.
+ */
+
+struct tsc_data {
+        int wires;
+        int x_plate_resistance;
+};
+
+#endif