summaryrefslogtreecommitdiffstats
path: root/drivers/mfd
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/twl6040.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/mfd/twl6040.c b/drivers/mfd/twl6040.c
index cb37bb8f8e41..574774d7f826 100644
--- a/drivers/mfd/twl6040.c
+++ b/drivers/mfd/twl6040.c
@@ -291,6 +291,8 @@ int twl6040_power(struct twl6040 *twl6040, int on)
if (twl6040->power_count++)
goto out;
+ clk_prepare_enable(twl6040->clk32k);
+
/* Allow writes to the chip */
regcache_cache_only(twl6040->regmap, false);
@@ -346,6 +348,8 @@ int twl6040_power(struct twl6040 *twl6040, int on)
twl6040->sysclk = 0;
twl6040->mclk = 0;
+
+ clk_disable_unprepare(twl6040->clk32k);
}
out:
@@ -644,6 +648,12 @@ static int twl6040_probe(struct i2c_client *client,
i2c_set_clientdata(client, twl6040);
+ twl6040->clk32k = devm_clk_get(&client->dev, "clk32k");
+ if (IS_ERR(twl6040->clk32k)) {
+ dev_info(&client->dev, "clk32k is not handled\n");
+ twl6040->clk32k = NULL;
+ }
+
twl6040->supplies[0].supply = "vio";
twl6040->supplies[1].supply = "v2v1";
ret = devm_regulator_bulk_get(&client->dev, TWL6040_NUM_SUPPLIES,
OpenPOWER on IntegriCloud