input: TSC: ti_tsc: Convert TSC into a MFDevice

This patch converts touchscreen into a MFD client.
All the register definitions, clock initialization,
etc has been moved to MFD core driver.

Signed-off-by: Patil, Rachna <rachna@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/include/linux/mfd/ti_am335x_tscadc.h b/include/linux/mfd/ti_am335x_tscadc.h
index b7232b15706..fc18b2ef753 100644
--- a/include/linux/mfd/ti_am335x_tscadc.h
+++ b/include/linux/mfd/ti_am335x_tscadc.h
@@ -47,6 +47,7 @@
 #define STEPENB_MASK            (0x1FFFF << 0)
 #define STEPENB(val)            ((val) << 0)
 #define STPENB_STEPENB          STEPENB(0x1FFFF)
+#define STPENB_STEPENB_TC       STEPENB(0x1FFF)
 
 /* IRQ enable */
 #define IRQENB_HW_PEN           BIT(0)
@@ -120,7 +121,11 @@
 #define ADC_CLK                 3000000
 #define MAX_CLK_DIV             7
 
-#define TSCADC_CELLS            0
+#define TSCADC_CELLS            1
+
+enum tscadc_cells {
+        TSC_CELL,
+};
 
 struct mfd_tscadc_board {
         struct tsc_data *tsc_init;
@@ -132,6 +137,9 @@ struct ti_tscadc_dev {
         void __iomem *tscadc_base;
         int irq;
         struct mfd_cell cells[TSCADC_CELLS];
+
+        /* tsc device */
+        struct titsc *tsc;
 };
 
 #endif