[PATCH 6/6] rn5t618: mfd/watchdog: switch to mfd device population

[Lucas Stach <l.stach@pengutronix.de>]

The upstream binding for the rn5t618 does not describe a
separate watchdog node. Switch to MFD device population to
probe the watchdog without DT matching.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
---
 drivers/mfd/rn5t618.c          | 8 +++++++-
 drivers/watchdog/rn5t618_wdt.c | 5 -----
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c
index d757802b5363..5fd9fe6e6ac2 100644
--- a/drivers/mfd/rn5t618.c
+++ b/drivers/mfd/rn5t618.c
@@ -13,11 +13,17 @@
 #include <i2c/i2c.h>
 #include <init.h>
 #include <of.h>
+#include <linux/mfd/core.h>
 #include <linux/regmap.h>
 #include <reset_source.h>
 #include <restart.h>
 #include <mfd/rn5t618.h>
 
+static const struct mfd_cell rn5t618_cells[] = {
+        { .name = "rn5t618-regulator" },
+        { .name = "rn5t618-wdt" },
+};
+
 struct rn5t618 {
 	struct restart_handler restart;
 	struct regmap *regmap;
@@ -129,7 +135,7 @@ static int __init rn5t618_i2c_probe(struct device *dev)
 	if (ret)
 		dev_warn(dev, "Failed to query reset reason\n");
 
-	return of_platform_populate(dev->of_node, NULL, dev);
+	return mfd_add_devices(dev, rn5t618_cells, ARRAY_SIZE(rn5t618_cells));
 }
 
 static __maybe_unused const struct of_device_id rn5t618_of_match[] = {
diff --git a/drivers/watchdog/rn5t618_wdt.c b/drivers/watchdog/rn5t618_wdt.c
index 95089ac7c885..53da358d451e 100644
--- a/drivers/watchdog/rn5t618_wdt.c
+++ b/drivers/watchdog/rn5t618_wdt.c
@@ -126,15 +126,10 @@ static int rn5t618_wdt_probe(struct device *dev)
 	return watchdog_register(wdd);
 }
 
-static __maybe_unused const struct of_device_id rn5t618_wdt_of_match[] = {
-	{ .compatible = "ricoh,rn5t568-wdt" },
-	{ /* sentinel */ }
-};
 MODULE_DEVICE_TABLE(of, rn5t618_wdt_of_match);
 
 static struct driver rn5t618_wdt_driver = {
 	.name  = "rn5t618-wdt",
 	.probe = rn5t618_wdt_probe,
-	.of_compatible = DRV_OF_COMPAT(rn5t618_wdt_of_match),
 };
 device_platform_driver(rn5t618_wdt_driver);
-- 
2.47.3