linux-kernel - [PATCH RESEND v5 4/5] mfd: rn5t618: add more subdevices

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Date:   Wed, 26 Feb 2020 20:05:03 +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, GNUtoo@...erdimension.org
Cc:     Andreas Kemnade <andreas@...nade.info>
Subject: [PATCH RESEND v5 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 | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c
index 6bdc5a023cbf..ec378715137b 100644
--- a/drivers/mfd/rn5t618.c
+++ b/drivers/mfd/rn5t618.c
@@ -14,6 +14,7 @@
 #include <linux/mfd/rn5t618.h>
 #include <linux/module.h>
 #include <linux/of_device.h>
+#include <linux/platform_device.h>
 #include <linux/reboot.h>
 #include <linux/regmap.h>
 
@@ -22,6 +23,12 @@ 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 +180,16 @@ 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, PLATFORM_DEVID_NONE,
+					   rc5t619_cells,
+					   ARRAY_SIZE(rc5t619_cells),
+					   NULL, 0, NULL);
+	else
+		ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_NONE,
+					   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