// SPDX-License-Identifier: GPL-2.0+ // // Copyright 2004-2008 Freescale Semiconductor, Inc. All Rights Reserved. #include <linux/io.h> #include <linux/rtc.h> #include <linux/module.h> #include <linux/slab.h> #include <linux/interrupt.h> #include <linux/platform_device.h> #include <linux/pm_wakeirq.h> #include <linux/clk.h> #include <linux/of.h> #define RTC_INPUT_CLK_32768HZ … #define RTC_INPUT_CLK_32000HZ … #define RTC_INPUT_CLK_38400HZ … #define RTC_SW_BIT … #define RTC_ALM_BIT … #define RTC_1HZ_BIT … #define RTC_2HZ_BIT … #define RTC_SAM0_BIT … #define RTC_SAM1_BIT … #define RTC_SAM2_BIT … #define RTC_SAM3_BIT … #define RTC_SAM4_BIT … #define RTC_SAM5_BIT … #define RTC_SAM6_BIT … #define RTC_SAM7_BIT … #define PIT_ALL_ON … #define RTC_ENABLE_BIT … #define MAX_PIE_NUM … #define MAX_PIE_FREQ … #define MXC_RTC_TIME … #define MXC_RTC_ALARM … #define RTC_HOURMIN … #define RTC_SECOND … #define RTC_ALRM_HM … #define RTC_ALRM_SEC … #define RTC_RTCCTL … #define RTC_RTCISR … #define RTC_RTCIENR … #define RTC_STPWCH … #define RTC_DAYR … #define RTC_DAYALARM … #define RTC_TEST1 … #define RTC_TEST2 … #define RTC_TEST3 … enum imx_rtc_type { … }; struct rtc_plat_data { … }; static const struct of_device_id imx_rtc_dt_ids[] = …; MODULE_DEVICE_TABLE(of, imx_rtc_dt_ids); static inline int is_imx1_rtc(struct rtc_plat_data *data) { … } /* * This function is used to obtain the RTC time or the alarm value in * second. */ static time64_t get_alarm_or_time(struct device *dev, int time_alarm) { … } /* * This function sets the RTC alarm value or the time value. */ static void set_alarm_or_time(struct device *dev, int time_alarm, time64_t time) { … } /* * This function updates the RTC alarm registers and then clears all the * interrupt status bits. */ static void rtc_update_alarm(struct device *dev, struct rtc_time *alrm) { … } static void mxc_rtc_irq_enable(struct device *dev, unsigned int bit, unsigned int enabled) { … } /* This function is the RTC interrupt service routine. */ static irqreturn_t mxc_rtc_interrupt(int irq, void *dev_id) { … } static int mxc_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled) { … } /* * This function reads the current RTC time into tm in Gregorian date. */ static int mxc_rtc_read_time(struct device *dev, struct rtc_time *tm) { … } /* * This function sets the internal RTC time based on tm in Gregorian date. */ static int mxc_rtc_set_time(struct device *dev, struct rtc_time *tm) { … } /* * This function reads the current alarm value into the passed in 'alrm' * argument. It updates the alrm's pending field value based on the whether * an alarm interrupt occurs or not. */ static int mxc_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) { … } /* * This function sets the RTC alarm based on passed in alrm. */ static int mxc_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) { … } /* RTC layer */ static const struct rtc_class_ops mxc_rtc_ops = …; static int mxc_rtc_probe(struct platform_device *pdev) { … } static struct platform_driver mxc_rtc_driver = …; module_platform_driver(…) … MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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