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mfd: Add ADC support to the DA9052/53 core

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This patch adds ADC support to the DA9052/53 core.

Tested on smdkv6410 and i.mx53 QS boards.

Signed-off-by: Ashish Jangam <ashish.jangam@kpitcummins.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Ashish Jangam
2012-05-18 12:19:18 +02:00
committed by Samuel Ortiz
parent 21f7541d88
commit 16e5e204c9
2 changed files with 159 additions and 0 deletions
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19
include/linux/mfd/da9052/da9052.h
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@@ -33,6 +33,18 @@
#include <linux/mfd/da9052/reg.h>
/* Common - HWMON Channel Definations */
#define DA9052_ADC_VDDOUT 0
#define DA9052_ADC_ICH 1
#define DA9052_ADC_TBAT 2
#define DA9052_ADC_VBAT 3
#define DA9052_ADC_IN4 4
#define DA9052_ADC_IN5 5
#define DA9052_ADC_IN6 6
#define DA9052_ADC_TSI 7
#define DA9052_ADC_TJUNC 8
#define DA9052_ADC_VBBAT 9
#define DA9052_IRQ_DCIN 0
#define DA9052_IRQ_VBUS 1
#define DA9052_IRQ_DCINREM 2
@@ -79,12 +91,19 @@ struct da9052 {
struct device *dev;
struct regmap *regmap;
struct mutex auxadc_lock;
struct completion done;
int irq_base;
u8 chip_id;
int chip_irq;
};
/* ADC API */
int da9052_adc_manual_read(struct da9052 *da9052, unsigned char channel);
int da9052_adc_read_temp(struct da9052 *da9052);
/* Device I/O API */
static inline int da9052_reg_read(struct da9052 *da9052, unsigned char reg)
{