linux-kernel - [PATCH v6 12/14] mfd: da9063: Register RTC only on DA9063L

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Date:   Mon, 11 Jun 2018 13:58:49 +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 v6 12/14] 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
Acked-for-MFD-by: Lee Jones <lee.jones@...aro.org>
---
V2: No change
V3: Rework of mfd: da9063: Disallow RTC on DA9063L
V4: - Change the original failure text
    - Use PLATFORM_DEVID_NONE in mfd_add_devices
V5: Rebase on top of new 01 and 02 patches
V6: No change
---
 drivers/mfd/da9063-core.c | 31 ++++++++++++++++++++++++-------
 1 file changed, 24 insertions(+), 7 deletions(-)

diff --git a/drivers/mfd/da9063-core.c b/drivers/mfd/da9063-core.c
index ded59990f18c..6e4ce49b4405 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)
@@ -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;
 }
-- 
2.16.2