mfd: da9063: Register RTC only on DA9063L

The DA9063L does not contain RTC block, unlike the full DA9063.
Split the RTC block into separate mfd cell and register it only
on DA9063.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/mfd/da9063-core.c

@@ -76,7 +76,7 @@ static struct resource da9063_hwmon_resources[] = {
 };
 
 
-static const struct mfd_cell da9063_devs[] = {
+static const struct mfd_cell da9063_common_devs[] = {
 	{
 		.name		= DA9063_DRVNAME_REGULATORS,
 		.num_resources	= ARRAY_SIZE(da9063_regulators_resources),
@@ -100,15 +100,19 @@ static const struct mfd_cell da9063_devs[] = {
 		.resources	= da9063_onkey_resources,
 		.of_compatible = "dlg,da9063-onkey",
 	},
+	{
+		.name		= DA9063_DRVNAME_VIBRATION,
+	},
+};
+
+/* Only present on DA9063 , not on DA9063L */
+static const struct mfd_cell da9063_devs[] = {
 	{
 		.name		= DA9063_DRVNAME_RTC,
 		.num_resources	= ARRAY_SIZE(da9063_rtc_resources),
 		.resources	= da9063_rtc_resources,
 		.of_compatible	= "dlg,da9063-rtc",
 	},
-	{
-		.name		= DA9063_DRVNAME_VIBRATION,
-	},
 };
 
 static int da9063_clear_fault_log(struct da9063 *da9063)
@@ -226,10 +230,23 @@ int da9063_device_init(struct da9063 *da9063, unsigned int irq)
 	da9063->irq_base = regmap_irq_chip_get_base(da9063->regmap_irq);
 
 	ret = devm_mfd_add_devices(da9063->dev, PLATFORM_DEVID_NONE,
-				   da9063_devs, ARRAY_SIZE(da9063_devs),
+				   da9063_common_devs,
+				   ARRAY_SIZE(da9063_common_devs),
 				   NULL, da9063->irq_base, NULL);
-	if (ret)
-		dev_err(da9063->dev, "Cannot add MFD cells\n");
+	if (ret) {
+		dev_err(da9063->dev, "Failed to add child devices\n");
+		return ret;
+	}
+
+	if (da9063->type == PMIC_TYPE_DA9063) {
+		ret = devm_mfd_add_devices(da9063->dev, PLATFORM_DEVID_NONE,
+					   da9063_devs, ARRAY_SIZE(da9063_devs),
+					   NULL, da9063->irq_base, NULL);
+		if (ret) {
+			dev_err(da9063->dev, "Failed to add child devices\n");
+			return ret;
+		}
+	}
 
 	return ret;
 }