diff options
Diffstat (limited to 'drivers/rtc/mc13783-rtc.c')
| -rw-r--r-- | drivers/rtc/mc13783-rtc.c | 72 |
1 files changed, 15 insertions, 57 deletions
diff --git a/drivers/rtc/mc13783-rtc.c b/drivers/rtc/mc13783-rtc.c index 416f50d..4e18f80 100644 --- a/drivers/rtc/mc13783-rtc.c +++ b/drivers/rtc/mc13783-rtc.c @@ -23,53 +23,30 @@ #include <common.h> #include <rtc.h> #include <spi.h> - -static struct spi_slave *slave; +#include <fsl_pmic.h> int rtc_get(struct rtc_time *rtc) { u32 day1, day2, time; - u32 reg; - int err, tim, i = 0; - - if (!slave) { - /* FIXME: Verify the max SCK rate */ - slave = spi_setup_slave(CONFIG_MC13783_SPI_BUS, - CONFIG_MC13783_SPI_CS, 1000000, - SPI_MODE_2 | SPI_CS_HIGH); - if (!slave) - return -1; - } - - if (spi_claim_bus(slave)) - return -1; + int tim, i = 0; do { - reg = 0x2c000000; - err = spi_xfer(slave, 32, (uchar *)®, (uchar *)&day1, - SPI_XFER_BEGIN | SPI_XFER_END); - - if (err) - return err; - - reg = 0x28000000; - err = spi_xfer(slave, 32, (uchar *)®, (uchar *)&time, - SPI_XFER_BEGIN | SPI_XFER_END); + day1 = pmic_reg_read(REG_RTC_DAY); + if (day1 < 0) + return -1; - if (err) - return err; + time = pmic_reg_read(REG_RTC_TIME); + if (time < 0) + return -1; - reg = 0x2c000000; - err = spi_xfer(slave, 32, (uchar *)®, (uchar *)&day2, - SPI_XFER_BEGIN | SPI_XFER_END); + day2 = pmic_reg_read(REG_RTC_DAY); + if (day2 < 0) + return -1; - if (err) - return err; } while (day1 != day2 && i++ < 3); - spi_release_bus(slave); - tim = day1 * 86400 + time; + to_tm(tim, rtc); rtc->tm_yday = 0; @@ -80,34 +57,15 @@ int rtc_get(struct rtc_time *rtc) int rtc_set(struct rtc_time *rtc) { - u32 time, day, reg; - - if (!slave) { - /* FIXME: Verify the max SCK rate */ - slave = spi_setup_slave(CONFIG_MC13783_SPI_BUS, - CONFIG_MC13783_SPI_CS, 1000000, - SPI_MODE_2 | SPI_CS_HIGH); - if (!slave) - return -1; - } + u32 time, day; time = mktime(rtc->tm_year, rtc->tm_mon, rtc->tm_mday, rtc->tm_hour, rtc->tm_min, rtc->tm_sec); day = time / 86400; time %= 86400; - if (spi_claim_bus(slave)) - return -1; - - reg = 0x2c000000 | day | 0x80000000; - spi_xfer(slave, 32, (uchar *)®, (uchar *)&day, - SPI_XFER_BEGIN | SPI_XFER_END); - - reg = 0x28000000 | time | 0x80000000; - spi_xfer(slave, 32, (uchar *)®, (uchar *)&time, - SPI_XFER_BEGIN | SPI_XFER_END); - - spi_release_bus(slave); + pmic_reg_write(REG_RTC_DAY, day); + pmic_reg_write(REG_RTC_TIME, time); return 0; } |