drivers/sensor: lis2ds12: Move range Kconfig property into dts

Converts lis2ds12 range options (2g, 4g, 8g, 16g) from Kconfig
to Device Tree.

Signed-off-by: Armando Visconti <armando.visconti@st.com>

drivers/sensor/lis2ds12/Kconfig

@@ -57,19 +57,6 @@ config LIS2DS12_ENABLE_TEMP
 
 menu "Attributes"
 
-config LIS2DS12_FS
-	int "Accelerometer full-scale range"
-	default 0
-	help
-	  Specify the default accelerometer full-scale range.
-	  An X value for the config represents a range of +/- X G. Valid values
-	  are:
-	  0:  Full Scale selected at runtime
-	  2:  +/- 2g
-	  4:  +/- 4g
-	  8:  +/- 8g
-	  16: +/- 16g
-
 config LIS2DS12_ODR
 	int "Accelerometer Output data rate frequency"
 	range 0 10

drivers/sensor/lis2ds12/lis2ds12.c

@@ -258,9 +258,10 @@ static int lis2ds12_init(const struct device *dev)
 	}
 
 	/* set sensor default scale */
-	ret = lis2ds12_set_range(dev, CONFIG_LIS2DS12_FS);
+	LOG_DBG("%s: range is %d", dev->name, cfg->range);
+	ret = lis2ds12_set_range(dev, cfg->range);
 	if (ret < 0) {
-		LOG_ERR("%s: range init error %d", dev->name, CONFIG_LIS2DS12_FS);
+		LOG_ERR("%s: range init error %d", dev->name, cfg->range);
 		return ret;
 	}
 
@@ -317,6 +318,7 @@ static int lis2ds12_init(const struct device *dev)
 					   LIS2DS12_SPI_OPERATION,	\
 					   0),				\
 		},							\
+		.range = DT_INST_PROP(inst, range),			\
 		COND_CODE_1(DT_INST_NODE_HAS_PROP(inst, irq_gpios),	\
 			(LIS2DS12_CFG_IRQ(inst)), ())			\
 	}
@@ -338,6 +340,7 @@ static int lis2ds12_init(const struct device *dev)
 		.stmemsc_cfg = {					\
 			.i2c = I2C_DT_SPEC_INST_GET(inst),		\
 		},							\
+		.range = DT_INST_PROP(inst, range),			\
 		COND_CODE_1(DT_INST_NODE_HAS_PROP(inst, irq_gpios),	\
 			(LIS2DS12_CFG_IRQ(inst)), ())			\
 	}

drivers/sensor/lis2ds12/lis2ds12.h

@@ -40,6 +40,7 @@ struct lis2ds12_config {
 		const struct spi_dt_spec spi;
 #endif
 	} stmemsc_cfg;
+	uint8_t range;
 #ifdef CONFIG_LIS2DS12_TRIGGER
 	struct gpio_dt_spec gpio_int;
 #endif

dts/bindings/sensor/st,lis2ds12-common.yaml

@@ -11,3 +11,16 @@ properties:
         This pin defaults to active high when produced by the sensor.
         The property value should ensure the flags properly describe
         the signal that is presented to the driver.
+
+    range:
+      type: int
+      required: false
+      default: 2
+      description: |
+        Range in g. Default is power-up configuration.
+
+      enum:
+        - 16 # 16g (0.488 mg/LSB)
+        -  8 #  8g (0.244 mg/LSB)
+        -  4 #  4g (0.122 mg/LSB)
+        -  2 #  2g (0.061 mg/LSB)