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| author | Tom Rini <trini@konsulko.com> | 2019-08-22 07:29:54 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2019-08-22 07:29:54 -0400 |
| commit | c399dca83434290ac502207f2d6db13c59d89267 (patch) | |
| tree | 0e6ed8aa92f4586ca42b167d55e1c315d6cd2a58 /drivers/rtc/ds3231.c | |
| parent | 1e60ccd94318fb86610e1e28512b2aaac5f4b069 (diff) | |
| parent | b249fcba00e093149f8424492da155572f12d7bb (diff) | |
Merge https://gitlab.denx.de/u-boot/custodians/u-boot-fsl-qoriq
- i2c dm model support of lx2160a, ls1088a, lx2088a, ls1028a
- icid setup for ls1028a, ls1088a
- other small fixes
Diffstat (limited to 'drivers/rtc/ds3231.c')
| -rw-r--r-- | drivers/rtc/ds3231.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/rtc/ds3231.c b/drivers/rtc/ds3231.c index 79b026af4b9..fde4d860ec1 100644 --- a/drivers/rtc/ds3231.c +++ b/drivers/rtc/ds3231.c @@ -148,11 +148,13 @@ void rtc_reset (void) /* * Enable 32KHz output */ +#ifdef CONFIG_RTC_ENABLE_32KHZ_OUTPUT void rtc_enable_32khz_output(void) { rtc_write(RTC_STAT_REG_ADDR, RTC_STAT_BIT_BB32KHZ | RTC_STAT_BIT_EN32KHZ); } +#endif /* * Helper functions @@ -251,6 +253,21 @@ static int ds3231_probe(struct udevice *dev) return 0; } +#ifdef CONFIG_RTC_ENABLE_32KHZ_OUTPUT +int rtc_enable_32khz_output(int busnum, int chip_addr) +{ + int ret; + struct udevice *dev; + + ret = i2c_get_chip_for_busnum(busnum, chip_addr, 1, &dev); + if (!ret) + ret = dm_i2c_reg_write(dev, RTC_STAT_REG_ADDR, + RTC_STAT_BIT_BB32KHZ | + RTC_STAT_BIT_EN32KHZ); + return ret; +} +#endif + static const struct rtc_ops ds3231_rtc_ops = { .get = ds3231_rtc_get, .set = ds3231_rtc_set, |