diff options
Diffstat (limited to 'drivers/mfd/tps65910.c')
| -rw-r--r-- | drivers/mfd/tps65910.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c index be9e07b7732..1c563792c77 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; |