drivers: clock_control: update nrf2 lfosc_get_accuracy

Move lfosc_get_accuracy away from common library as
not all devices need this function.

Signed-off-by: David Jewsbury <david.jewsbury@nordicsemi.no>

Author: Hi-Im-David

drivers/clock_control/clock_control_nrf2_common.c

@@ -5,7 +5,6 @@
 
 #include "clock_control_nrf2_common.h"
 #include <zephyr/drivers/clock_control/nrf_clock_control.h>
-#include <hal/nrf_bicr.h>
 
 #include <zephyr/logging/log.h>
 LOG_MODULE_REGISTER(clock_control_nrf2, CONFIG_CLOCK_CONTROL_LOG_LEVEL);
@@ -20,8 +19,6 @@ LOG_MODULE_REGISTER(clock_control_nrf2, CONFIG_CLOCK_CONTROL_LOG_LEVEL);
 		 (idx * sizeof(array[0])) - \
 		 offsetof(type, array[0]))
 
-#define BICR (NRF_BICR_Type *)DT_REG_ADDR(DT_NODELABEL(bicr))
-
 /*
  * Definition of `struct clock_config_generic`.
  * Used to access `clock_config_*` structures in a common way.
@@ -92,40 +89,6 @@ static inline uint8_t get_index_of_highest_bit(uint32_t value)
 	return value ? (uint8_t)(31 - __builtin_clz(value)) : 0;
 }
 
-int lfosc_get_accuracy(uint16_t *accuracy)
-{
-	switch (nrf_bicr_lfosc_accuracy_get(BICR)) {
-	case NRF_BICR_LFOSC_ACCURACY_500PPM:
-		*accuracy = 500U;
-		break;
-	case NRF_BICR_LFOSC_ACCURACY_250PPM:
-		*accuracy = 250U;
-		break;
-	case NRF_BICR_LFOSC_ACCURACY_150PPM:
-		*accuracy = 150U;
-		break;
-	case NRF_BICR_LFOSC_ACCURACY_100PPM:
-		*accuracy = 100U;
-		break;
-	case NRF_BICR_LFOSC_ACCURACY_75PPM:
-		*accuracy = 75U;
-		break;
-	case NRF_BICR_LFOSC_ACCURACY_50PPM:
-		*accuracy = 50U;
-		break;
-	case NRF_BICR_LFOSC_ACCURACY_30PPM:
-		*accuracy = 30U;
-		break;
-	case NRF_BICR_LFOSC_ACCURACY_20PPM:
-		*accuracy = 20U;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
 int clock_config_init(void *clk_cfg, uint8_t onoff_cnt, k_work_handler_t update_work_handler)
 {
 	struct clock_config_generic *cfg = clk_cfg;

drivers/clock_control/clock_control_nrf2_common.h

@@ -36,16 +36,6 @@ struct clock_onoff {
 		struct clock_onoff onoff[_onoff_cnt]; \
 	}
 
-/**
- * @brief Obtain LFOSC accuracy in ppm.
- *
- * @param[out] accuracy Accuracy in ppm.
- *
- * @retval 0 On success
- * @retval -EINVAL If accuracy is not configured.
- */
-int lfosc_get_accuracy(uint16_t *accuracy);
-
 /**
  * @brief Initializes a clock configuration structure.
  *

drivers/clock_control/clock_control_nrf_lfclk.c

@@ -71,6 +71,40 @@ struct lfclk_dev_config {
 	uint32_t fixed_frequency;
 };
 
+static int lfosc_get_accuracy(uint16_t *accuracy)
+{
+	switch (nrf_bicr_lfosc_accuracy_get(BICR)) {
+	case NRF_BICR_LFOSC_ACCURACY_500PPM:
+		*accuracy = 500U;
+		break;
+	case NRF_BICR_LFOSC_ACCURACY_250PPM:
+		*accuracy = 250U;
+		break;
+	case NRF_BICR_LFOSC_ACCURACY_150PPM:
+		*accuracy = 150U;
+		break;
+	case NRF_BICR_LFOSC_ACCURACY_100PPM:
+		*accuracy = 100U;
+		break;
+	case NRF_BICR_LFOSC_ACCURACY_75PPM:
+		*accuracy = 75U;
+		break;
+	case NRF_BICR_LFOSC_ACCURACY_50PPM:
+		*accuracy = 50U;
+		break;
+	case NRF_BICR_LFOSC_ACCURACY_30PPM:
+		*accuracy = 30U;
+		break;
+	case NRF_BICR_LFOSC_ACCURACY_20PPM:
+		*accuracy = 20U;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 static void clock_evt_handler(nrfs_clock_evt_t const *p_evt, void *context)
 {
 	struct lfclk_dev_data *dev_data = context;