mfd: Add ADC support to the DA9052/53 core

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>

1 files changed, 19 insertions, 0 deletions

diff --git a/include/linux/mfd/da9052/da9052.h b/include/linux/mfd/da9052/da9052.h
index 7ffbd6e9e7fc..b990cca1d9ee 100644
--- a/include/linux/mfd/da9052/da9052.h
+++ b/include/linux/mfd/da9052/da9052.h
@@ -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)
 {