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path: root/drivers/mfd/tps65910.c
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Diffstat (limited to 'drivers/mfd/tps65910.c')
-rw-r--r--drivers/mfd/tps65910.c23
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;
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