[Letux-kernel] [PATCH v2 4/5] mfd: rn5t618: add more subdevices

Andreas Kemnade andreas at kemnade.info
Thu Oct 31 22:38:34 CET 2019


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 at kemnade.info>
---
 drivers/mfd/rn5t618-core.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/rn5t618-core.c b/drivers/mfd/rn5t618-core.c
index 0e3ec9dafb40..b037c97e6747 100644
--- a/drivers/mfd/rn5t618-core.c
+++ b/drivers/mfd/rn5t618-core.c
@@ -21,6 +21,12 @@ 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) {
@@ -117,7 +123,11 @@ static int rn5t618_i2c_probe(struct i2c_client *i2c,
 		return ret;
 	}
 
-	ret = devm_mfd_add_devices(&i2c->dev, -1, rn5t618_cells,
+	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);
-- 
2.20.1



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