drivers/isl29020 : Expose to Kconfig

Expose configurations to Kconfig.

drivers/Kconfig

@@ -19,6 +19,7 @@ rsource "ads101x/Kconfig"
 rsource "bmx055/Kconfig"
 rsource "fxos8700/Kconfig"
 rsource "hdc1000/Kconfig"
+rsource "isl29020/Kconfig"
 rsource "l3g4200d/Kconfig"
 rsource "lpsxxx/Kconfig"
 rsource "mag3110/Kconfig"

drivers/include/isl29020.h

@@ -39,10 +39,9 @@ extern "C" {
 /**
  * @brief Default address
  *
- * The address depends on the status of A0 Pin.
- * Default address corresponds to A0 connected to GND.
- * For more information on SerialBus Address, refer Section I2C
- * Interface on Page 3 of datasheet.
+ * The address depends on the status of A0 Pin. Default address corresponds to
+ * A0 connected to GND. For more information refer to the section 'I2C
+ * Interface' in the datasheet.
  */
 #ifndef CONFIG_ISL29020_DEFAULT_ADDRESS
 #define CONFIG_ISL29020_DEFAULT_ADDRESS        0x44

drivers/isl29020/Kconfig

@@ -0,0 +1,24 @@
+# Copyright (c) 2020 Freie Universitaet Berlin
+#
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
+#
+menuconfig KCONFIG_MODULE_ISL29020
+    bool "Configure ISL29020 driver"
+    depends on MODULE_ISL29020
+    help
+        Configure the ISL29020 driver using Kconfig.
+
+if KCONFIG_MODULE_ISL29020
+
+config ISL29020_DEFAULT_ADDRESS
+    hex "Default I2C address"
+    range 0x44 0x45
+    default 0x44
+    help
+        The address depends on the status of A0 Pin. Default address
+        corresponds to A0 connected to GND. For more information refer to the
+        section 'I2C Interface' in the datasheet.
+
+endif # KCONFIG_MODULE_ISL29020