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input: TSC: ti_tsc: Convert TSC into a MFDevice

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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>
This commit is contained in:
Patil, Rachna 2012-10-16 12:55:44 +05:30 • committed by Samuel Ortiz
commit 2b99bafab1
4 changed files with 118 additions and 223 deletions
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10
include/linux/mfd/ti_am335x_tscadc.h
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@ -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