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IIO : ADC: tiadc: Add support of TI's ADC driver

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This patch adds support for TI's ADC driver.
This is a multifunctional device.
Analog input lines are provided on which
voltage measurements can be carried out.
You can have upto 8 input lines.

Signed-off-by: Patil, Rachna <rachna@ti.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Patil, Rachna 2012-10-16 12:55:45 +05:30 • committed by Samuel Ortiz
commit 5e53a69b44
6 changed files with 307 additions and 2 deletions
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9
include/linux/mfd/ti_am335x_tscadc.h
View file

@ -120,15 +120,19 @@
#define ADC_CLK 3000000
#define MAX_CLK_DIV 7
#define TOTAL_STEPS 16
#define TOTAL_CHANNELS 8
#define TSCADC_CELLS 1
#define TSCADC_CELLS 2
enum tscadc_cells {
TSC_CELL,
ADC_CELL,
};
struct mfd_tscadc_board {
struct tsc_data *tsc_init;
struct adc_data *adc_init;
};
struct ti_tscadc_dev {
@ -140,6 +144,9 @@ struct ti_tscadc_dev {
/* tsc device */
struct titsc *tsc;
/* adc device */
struct adc_device *adc;
};
#endif

14
include/linux/platform_data/ti_am335x_adc.h Normal file
View file

@ -0,0 +1,14 @@
#ifndef __LINUX_TI_AM335X_ADC_H
#define __LINUX_TI_AM335X_ADC_H
/**
* struct adc_data ADC Input information
* @adc_channels: Number of analog inputs
* available for ADC.
*/
struct adc_data {
unsigned int adc_channels;
};
#endif