linux-kernel - [PATCH v4 4/5] mfd: rn5t618: add more subdevices

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Message-Id: <20191211215409.32764-5-andreas@kemnade.info>
Date:   Wed, 11 Dec 2019 22:54:08 +0100
From:   Andreas Kemnade <andreas@...nade.info>
To:     lee.jones@...aro.org, robh+dt@...nel.org, mark.rutland@....com,
        a.zummo@...ertech.it, alexandre.belloni@...tlin.com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-rtc@...r.kernel.org, stefan@...er.ch, b.galvani@...il.com,
        phh@....me, letux-kernel@...nphoenux.org
Cc:     Andreas Kemnade <andreas@...nade.info>
Subject: [PATCH v4 4/5] mfd: rn5t618: add more subdevices

The RC5T619 has a RTC which is missing in the
RN5T618. Add it as subdevice to prepare for their implementation

Signed-off-by: Andreas Kemnade <andreas@...nade.info>
---
Changes in v3:
- alignment cleanup
 drivers/mfd/rn5t618.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c
index d78eb29b94a4..18d56a732b20 100644
--- a/drivers/mfd/rn5t618.c
+++ b/drivers/mfd/rn5t618.c
@@ -22,6 +22,12 @@ static const struct mfd_cell rn5t618_cells[] = {
 	{ .name = "rn5t618-wdt" },
 };
 
+static const struct mfd_cell rc5t619_cells[] = {
+	{ .name = "rn5t618-regulator" },
+	{ .name = "rc5t619-rtc" },
+	{ .name = "rn5t618-wdt" },
+};
+
 static bool rn5t618_volatile_reg(struct device *dev, unsigned int reg)
 {
 	switch (reg) {
@@ -173,8 +179,14 @@ static int rn5t618_i2c_probe(struct i2c_client *i2c,
 		return ret;
 	}
 
-	ret = devm_mfd_add_devices(&i2c->dev, -1, rn5t618_cells,
-				   ARRAY_SIZE(rn5t618_cells), NULL, 0, NULL);
+	if (priv->variant == RC5T619)
+		ret = devm_mfd_add_devices(&i2c->dev, -1, rc5t619_cells,
+					   ARRAY_SIZE(rc5t619_cells),
+					   NULL, 0, NULL);
+	else
+		ret = devm_mfd_add_devices(&i2c->dev, -1, rn5t618_cells,
+					   ARRAY_SIZE(rn5t618_cells),
+					   NULL, 0, NULL);
 	if (ret) {
 		dev_err(&i2c->dev, "failed to add sub-devices: %d\n", ret);
 		return ret;
-- 
2.11.0