linux-kernel - [PATCH v3 08/10] mfd: da9063: Register RTC only on DA9063L

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Date:   Sat,  2 Jun 2018 12:11:53 +0200
From:   Marek Vasut <marek.vasut@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Marek Vasut <marek.vasut+renesas@...il.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Lee Jones <lee.jones@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        Steve Twiss <stwiss.opensource@...semi.com>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        linux-renesas-soc@...r.kernel.org
Subject: [PATCH v3 08/10] 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@...il.com>
Cc: Geert Uytterhoeven <geert+renesas@...der.be>
Cc: Lee Jones <lee.jones@...aro.org>
Cc: Mark Brown <broonie@...nel.org>
Cc: Steve Twiss <stwiss.opensource@...semi.com>
Cc: Wolfram Sang <wsa+renesas@...g-engineering.com>
Cc: linux-renesas-soc@...r.kernel.org
---
V2: No change
V3: Rework of mfd: da9063: Disallow RTC on DA9063L
---
 drivers/mfd/da9063-core.c | 30 +++++++++++++++++++++++-------
 1 file changed, 23 insertions(+), 7 deletions(-)

diff --git a/drivers/mfd/da9063-core.c b/drivers/mfd/da9063-core.c
index eebca3442cf3..b05910c797af 100644
--- a/drivers/mfd/da9063-core.c
+++ b/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)
@@ -225,16 +229,28 @@ int da9063_device_init(struct da9063 *da9063, unsigned int irq)
 
 	da9063->irq_base = regmap_irq_chip_get_base(da9063->regmap_irq);
 
-	ret = mfd_add_devices(da9063->dev, -1, da9063_devs,
-			      ARRAY_SIZE(da9063_devs), NULL, da9063->irq_base,
-			      NULL);
+	ret = mfd_add_devices(da9063->dev, -1, da9063_common_devs,
+			      ARRAY_SIZE(da9063_common_devs),
+			      NULL, da9063->irq_base, NULL);
 	if (ret) {
 		dev_err(da9063->dev, "Cannot add MFD cells\n");
 		goto err_irq_exit;
 	}
 
+	if (da9063->type == PMIC_TYPE_DA9063) {
+		ret = mfd_add_devices(da9063->dev, -1, da9063_devs,
+				      ARRAY_SIZE(da9063_devs),
+				      NULL, da9063->irq_base, NULL);
+		if (ret) {
+			dev_err(da9063->dev, "Cannot add MFD cells\n");
+			goto err_mfd_cleanup;
+		}
+	}
+
 	return ret;
 
+err_mfd_cleanup:
+	mfd_remove_devices(da9063->dev);
 err_irq_exit:
 	da9063_irq_exit(da9063);
 	return ret;
-- 
2.16.2