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Diffstat (limited to 'drivers/iio/adc/stm32-adc-core.h')
-rw-r--r--drivers/iio/adc/stm32-adc-core.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/iio/adc/stm32-adc-core.h b/drivers/iio/adc/stm32-adc-core.h
index 2322809bfd2f..faedf7a49555 100644
--- a/drivers/iio/adc/stm32-adc-core.h
+++ b/drivers/iio/adc/stm32-adc-core.h
@@ -102,6 +102,9 @@
#define STM32H7_ADC_CALFACT 0xC4
#define STM32H7_ADC_CALFACT2 0xC8
+/* STM32MP1 - ADC2 instance option register */
+#define STM32MP1_ADC2_OR 0xD0
+
/* STM32H7 - common registers for all ADC instances */
#define STM32H7_ADC_CSR (STM32_ADCX_COMN_OFFSET + 0x00)
#define STM32H7_ADC_CCR (STM32_ADCX_COMN_OFFSET + 0x08)
@@ -168,23 +171,30 @@ enum stm32h7_adc_dmngt {
#define STM32H7_EOC_MST BIT(2)
/* STM32H7_ADC_CCR - bit fields */
+#define STM32H7_VBATEN BIT(24)
+#define STM32H7_VREFEN BIT(22)
#define STM32H7_PRESC_SHIFT 18
#define STM32H7_PRESC_MASK GENMASK(21, 18)
#define STM32H7_CKMODE_SHIFT 16
#define STM32H7_CKMODE_MASK GENMASK(17, 16)
+/* STM32MP1_ADC2_OR - bit fields */
+#define STM32MP1_VDDCOREEN BIT(0)
+
/**
* struct stm32_adc_common - stm32 ADC driver common data (for all instances)
* @base: control registers base cpu addr
* @phys_base: control registers base physical addr
* @rate: clock rate used for analog circuitry
* @vref_mv: vref voltage (mv)
+ * @lock: spinlock
*/
struct stm32_adc_common {
void __iomem *base;
phys_addr_t phys_base;
unsigned long rate;
int vref_mv;
+ spinlock_t lock; /* lock for common register */
};
#endif