drivers: sbs_gauge: Add support for additional properties

Fuel Gauge mode, status, charge current, charge voltage, design
capacity and design voltage are added.

Signed-off-by: Rajavardhan Gundi <rajavardhan.gundi@intel.com>

drivers/fuel_gauge/sbs_gauge/sbs_gauge.c

@@ -95,6 +95,31 @@ static int sbs_gauge_get_prop(const struct device *dev, struct fuel_gauge_get_pr
 		rc = sbs_cmd_reg_read(dev, SBS_GAUGE_CMD_VOLTAGE, &val);
 		prop->value.voltage = val * 1000;
 		break;
+	case FUEL_GAUGE_MODE:
+		rc = sbs_cmd_reg_read(dev, SBS_GAUGE_CMD_BATTERY_MODE, &val);
+		prop->value.mode = val;
+		break;
+	case FUEL_GAUGE_CHARGE_CURRENT:
+		rc = sbs_cmd_reg_read(dev, SBS_GAUGE_CMD_CHG_CURRENT, &val);
+		prop->value.chg_current = val;
+		break;
+	case FUEL_GAUGE_CHARGE_VOLTAGE:
+		rc = sbs_cmd_reg_read(dev, SBS_GAUGE_CMD_CHG_VOLTAGE, &val);
+		prop->value.chg_voltage = val;
+		break;
+	case FUEL_GAUGE_STATUS:
+		rc = sbs_cmd_reg_read(dev, SBS_GAUGE_CMD_FLAGS, &val);
+		prop->value.fg_status = val;
+		break;
+	case FUEL_GAUGE_DESIGN_CAPACITY:
+		rc = sbs_cmd_reg_read(dev, SBS_GAUGE_CMD_NOM_CAPACITY, &val);
+		prop->value.design_cap = val;
+		break;
+	case FUEL_GAUGE_DESIGN_VOLTAGE:
+		rc = sbs_cmd_reg_read(dev, SBS_GAUGE_CMD_DESIGN_VOLTAGE, &val);
+		prop->value.design_volt = val;
+		break;
+
 	default:
 		rc = -ENOTSUP;
 	}

include/zephyr/drivers/fuel_gauge.h

@@ -63,9 +63,21 @@ extern "C" {
 #define FUEL_GAUGE_TEMPERATURE		FUEL_GAUGE_STATE_OF_CHARGE + 1
 /** Battery voltage (uV) */
 #define FUEL_GAUGE_VOLTAGE		FUEL_GAUGE_TEMPERATURE + 1
+/** Battery Mode (flags) */
+#define FUEL_GAUGE_MODE			FUEL_GAUGE_VOLTAGE + 1
+/** Battery desired Max Charging Current (mA) */
+#define FUEL_GAUGE_CHARGE_CURRENT	FUEL_GAUGE_MODE + 1
+/** Battery desired Max Charging Voltage (mV) */
+#define FUEL_GAUGE_CHARGE_VOLTAGE	FUEL_GAUGE_CHARGE_CURRENT + 1
+/** Alarm, Status and Error codes (flags) */
+#define FUEL_GAUGE_STATUS		FUEL_GAUGE_CHARGE_VOLTAGE + 1
+/** Design Capacity (mAh or 10mWh) */
+#define FUEL_GAUGE_DESIGN_CAPACITY	FUEL_GAUGE_STATUS + 1
+/** Design Voltage (mV) */
+#define FUEL_GAUGE_DESIGN_VOLTAGE	FUEL_GAUGE_DESIGN_CAPACITY + 1
 
 /** Reserved to demark end of common fuel gauge properties */
-#define FUEL_GAUGE_COMMON_COUNT FUEL_GAUGE_VOLTAGE + 1
+#define FUEL_GAUGE_COMMON_COUNT FUEL_GAUGE_DESIGN_VOLTAGE + 1
 /**
  * Reserved to demark downstream custom properties - use this value as the actual value may change
  * over future versions of this API
@@ -115,6 +127,18 @@ struct fuel_gauge_get_property {
 		uint16_t temperature;
 		/** FUEL_GAUGE_VOLTAGE */
 		int voltage;
+		/** FUEL_GAUGE_MODE */
+		uint16_t mode;
+		/** FUEL_GAUGE_CHARGE_CURRENT */
+		uint16_t chg_current;
+		/** FUEL_GAUGE_CHARGE_VOLTAGE */
+		uint16_t chg_voltage;
+		/** FUEL_GAUGE_STATUS */
+		uint16_t fg_status;
+		/** FUEL_GAUGE_DESIGN_CAPACITY */
+		uint16_t design_cap;
+		/** FUEL_GAUGE_DESIGN_VOLTAGE */
+		uint16_t design_volt;
 	} value;
 };