diff options
Diffstat (limited to 'drivers/rtc/rtc-pcf2127.c')
| -rw-r--r-- | drivers/rtc/rtc-pcf2127.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/rtc/rtc-pcf2127.c b/drivers/rtc/rtc-pcf2127.c index 33c04e1daa95..d13c20a2adf7 100644 --- a/drivers/rtc/rtc-pcf2127.c +++ b/drivers/rtc/rtc-pcf2127.c @@ -558,7 +558,7 @@ static const struct attribute_group pcf2127_attr_group = { }; static int pcf2127_probe(struct device *dev, struct regmap *regmap, - int alarm_irq, const char *name, bool has_nvmem) + int alarm_irq, const char *name, bool is_pcf2127) { struct pcf2127 *pcf2127; int ret = 0; @@ -601,7 +601,7 @@ static int pcf2127_probe(struct device *dev, struct regmap *regmap, set_bit(RTC_FEATURE_ALARM, pcf2127->rtc->features); } - if (has_nvmem) { + if (is_pcf2127) { struct nvmem_config nvmem_cfg = { .priv = pcf2127, .reg_read = pcf2127_nvmem_read, @@ -636,6 +636,10 @@ static int pcf2127_probe(struct device *dev, struct regmap *regmap, * Watchdog timer enabled and reset pin /RST activated when timed out. * Select 1Hz clock source for watchdog timer. * Note: Countdown timer disabled and not available. + * For pca2129, pcf2129, only bit[7] is for Symbol WD_CD + * of register watchdg_tim_ctl. The bit[6] is labeled + * as T. Bits labeled as T must always be written with + * logic 0. */ ret = regmap_update_bits(pcf2127->regmap, PCF2127_REG_WD_CTL, PCF2127_BIT_WD_CTL_CD1 | @@ -643,7 +647,7 @@ static int pcf2127_probe(struct device *dev, struct regmap *regmap, PCF2127_BIT_WD_CTL_TF1 | PCF2127_BIT_WD_CTL_TF0, PCF2127_BIT_WD_CTL_CD1 | - PCF2127_BIT_WD_CTL_CD0 | + (is_pcf2127 ? PCF2127_BIT_WD_CTL_CD0 : 0) | PCF2127_BIT_WD_CTL_TF1); if (ret) { dev_err(dev, "%s: watchdog config (wd_ctl) failed\n", __func__); |