sensor: bmc150_magn: Convert to DTS

Convert bmc150_magn sensor driver to utilize device tree.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>

drivers/sensor/bmc150_magn/Kconfig

@@ -11,26 +11,6 @@ menuconfig BMC150_MAGN
 
 if BMC150_MAGN
 
-config BMC150_MAGN_DEV_NAME
-	string "BMC150_MAGN device name"
-	default "bmc150_magn"
-
-config BMC150_MAGN_I2C_ADDR
-	hex "BMC150_MAGN I2C slave address"
-	default 0x12
-	help
-	  Specify the I2C slave address for the BMC150_MAGN.
-
-	  0x12: GND
-	  0x13: VCC
-
-config BMC150_MAGN_I2C_MASTER_DEV_NAME
-	string "I2C master where BMC150_MAGN is connected"
-	default "I2C_0"
-	help
-	  Specify the device name of the I2C master device to which BMC150_MAGN
-	  is connected.
-
 menu "Attributes"
 
 choice
@@ -90,19 +70,4 @@ config BMC150_MAGN_TRIGGER_DRDY
 	help
 	  Enable data ready interrupt for BMC150 magnetometer
 
-config BMC150_MAGN_GPIO_DRDY_DEV_NAME
-	string "GPIO device where BMC150_MAGN data ready interrupt is connected"
-	depends on BMC150_MAGN_TRIGGER_DRDY
-	default "GPIO_0"
-	help
-	  Specify the device name of the GPIO controller the BMC150_MAGN interrupt
-	  is connected to.
-
-config BMC150_MAGN_GPIO_DRDY_INT_PIN
-	int "GPIO pin number for the data ready interrupt pin"
-	default 3
-	depends on BMC150_MAGN_TRIGGER_DRDY
-	help
-	  GPIO pin number for the data ready interrupt pin.
-
 endif # BMC150_MAGN

drivers/sensor/bmc150_magn/bmc150_magn.c

@@ -594,16 +594,16 @@ static int bmc150_magn_init(struct device *dev)
 }
 
 static const struct bmc150_magn_config bmc150_magn_config = {
-	.i2c_master_dev_name = CONFIG_BMC150_MAGN_I2C_MASTER_DEV_NAME,
+	.i2c_master_dev_name = DT_INST_0_BOSCH_BMC150_MAGN_BUS_NAME,
 	.i2c_slave_addr = BMC150_MAGN_I2C_ADDR,
 #if defined(CONFIG_BMC150_MAGN_TRIGGER_DRDY)
-	.gpio_drdy_dev_name = CONFIG_BMC150_MAGN_GPIO_DRDY_DEV_NAME,
+	.gpio_drdy_dev_name = DT_INST_0_BOSCH_BMC150_MAGN_DRDY_GPIOS_CONTROLLER,
-	.gpio_drdy_int_pin = CONFIG_BMC150_MAGN_GPIO_DRDY_INT_PIN,
+	.gpio_drdy_int_pin = DT_INST_0_BOSCH_BMC150_MAGN_DRDY_GPIOS_PIN,
 #endif
 };
 
 static struct bmc150_magn_data bmc150_magn_data;
 
-DEVICE_AND_API_INIT(bmc150_magn, CONFIG_BMC150_MAGN_DEV_NAME, bmc150_magn_init,
+DEVICE_AND_API_INIT(bmc150_magn, DT_INST_0_BOSCH_BMC150_MAGN_LABEL, bmc150_magn_init,
 	    &bmc150_magn_data, &bmc150_magn_config, POST_KERNEL,
 	    CONFIG_SENSOR_INIT_PRIORITY, &bmc150_magn_api_funcs);

drivers/sensor/bmc150_magn/bmc150_magn.h

@@ -73,7 +73,7 @@
 #define BMC150_MAGN_MASK_DRDY_LATCHING          BIT(1)
 #define BMC150_MAGN_MASK_DRDY_INT3_POLARITY     BIT(0)
 
-#define BMC150_MAGN_I2C_ADDR			CONFIG_BMC150_MAGN_I2C_ADDR
+#define BMC150_MAGN_I2C_ADDR			DT_INST_0_BOSCH_BMC150_MAGN_BASE_ADDRESS
 
 #if defined(CONFIG_BMC150_MAGN_SAMPLING_REP_XY) || \
 	defined(CONFIG_BMC150_MAGN_SAMPLING_REP_Z)

dts/bindings/sensor/bosch,bmc150_magn.yaml

@@ -0,0 +1,17 @@
+# Copyright (c) 2019, Linaro Limited
+# SPDX-License-Identifier: Apache-2.0
+
+title: Bosch BMC150 Magnetometer
+
+description: |
+    Bosch BMC150 Magnetometer.  See more info at:
+    https://www.bosch-sensortec.com/bst/products/all_products/bmc150
+
+compatible: "bosch,bmc150_magn"
+
+include: i2c-device.yaml
+
+properties:
+    drdy-gpios:
+      type: phandle-array
+      required: false

samples/sensor/magn_polling/sample.yaml

@@ -5,3 +5,4 @@ tests:
     harness: sensor
     tags: sensors
     depends_on: i2c gpio
+    filter: dt_compat_enabled("bosch,bmc150_magn")

tests/drivers/build_all/dts_fixup.h

@@ -390,6 +390,15 @@
 #define DT_INST_0_BOSCH_BMG160_INT_GPIOS_PIN 0
 #endif
 
+#ifndef DT_INST_0_BOSCH_BMC150_MAGN_LABEL
+#define DT_INST_0_BOSCH_BMC150_MAGN_LABEL ""
+#define DT_INST_0_BOSCH_BMC150_MAGN_BASE_ADDRESS 0
+#define DT_INST_0_BOSCH_BMC150_MAGN_BUS_NAME ""
+#define DT_INST_0_BOSCH_BMC150_MAGN_DRDY_GPIOS_CONTROLLER ""
+#define DT_INST_0_BOSCH_BMC150_MAGN_DRDY_GPIOS_FLAGS 0
+#define DT_INST_0_BOSCH_BMC150_MAGN_DRDY_GPIOS_PIN 0
+#endif
+
 #endif /* CONFIG_HAS_DTS_I2C */
 
 #ifndef DT_ADXL372_DEV_NAME