1 files changed, 22 insertions, 1 deletions

diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c
index be9e07b77325..1c563792c777 100644
--- a/drivers/mfd/tps65910.c
+++ b/drivers/mfd/tps65910.c
@@ -68,6 +68,24 @@ static const struct regmap_config tps65910_regmap_config = {
 	.cache_type = REGCACHE_RBTREE,
 };
 
+static int __devinit tps65910_ck32k_init(struct tps65910 *tps65910,
+					struct tps65910_board *pmic_pdata)
+{
+	int ret;
+
+	if (!pmic_pdata->en_ck32k_xtal)
+		return 0;
+
+	ret = tps65910_reg_clear_bits(tps65910, TPS65910_DEVCTRL,
+						DEVCTRL_CK32K_CTRL_MASK);
+	if (ret < 0) {
+		dev_err(tps65910->dev, "clear ck32k_ctrl failed: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
 static int __devinit tps65910_sleepinit(struct tps65910 *tps65910,
 		struct tps65910_board *pmic_pdata)
 {
@@ -175,6 +193,9 @@ static struct tps65910_board *tps65910_parse_dt(struct i2c_client *client,
 	else if (*chip_id == TPS65911)
 		dev_warn(&client->dev, "VMBCH2-Threshold not specified");
 
+	prop = of_property_read_bool(np, "ti,en-ck32k-xtal");
+	board_info->en_ck32k_xtal = prop;
+
 	board_info->irq = client->irq;
 	board_info->irq_base = -1;
 
@@ -243,7 +264,7 @@ static __devinit int tps65910_i2c_probe(struct i2c_client *i2c,
 	init_data->irq_base = pmic_plat_data->irq_base;
 
 	tps65910_irq_init(tps65910, init_data->irq, init_data);
-
+	tps65910_ck32k_init(tps65910, pmic_plat_data);
 	tps65910_sleepinit(tps65910, pmic_plat_data);
 
 	return ret;