forked from rrcarlosr/Jetpack
67 lines
1.0 KiB
C
67 lines
1.0 KiB
C
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/*
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* Copyright (C) 2008, Guennadi Liakhovetski <lg@denx.de>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <rtc.h>
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#include <spi.h>
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#include <power/pmic.h>
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#include <fsl_pmic.h>
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int rtc_get(struct rtc_time *rtc)
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{
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u32 day1, day2, time;
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int tim, i = 0;
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struct pmic *p = pmic_get("FSL_PMIC");
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int ret;
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if (!p)
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return -1;
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do {
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ret = pmic_reg_read(p, REG_RTC_DAY, &day1);
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if (ret < 0)
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return -1;
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ret = pmic_reg_read(p, REG_RTC_TIME, &time);
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if (ret < 0)
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return -1;
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ret = pmic_reg_read(p, REG_RTC_DAY, &day2);
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if (ret < 0)
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return -1;
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} while (day1 != day2 && i++ < 3);
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tim = day1 * 86400 + time;
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rtc_to_tm(tim, rtc);
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rtc->tm_yday = 0;
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rtc->tm_isdst = 0;
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return 0;
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}
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int rtc_set(struct rtc_time *rtc)
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{
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u32 time, day;
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struct pmic *p = pmic_get("FSL_PMIC");
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if (!p)
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return -1;
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time = rtc_mktime(rtc);
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day = time / 86400;
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time %= 86400;
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pmic_reg_write(p, REG_RTC_DAY, day);
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pmic_reg_write(p, REG_RTC_TIME, time);
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return 0;
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}
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void rtc_reset(void)
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{
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}
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