// SPDX-License-Identifier: GPL-2.0 /* * drivers/rtc/rtc-pcf85363.c * * Driver for NXP PCF85363 real-time clock. * * Copyright (C) 2017 Eric Nelson */ #include <linux/module.h> #include <linux/i2c.h> #include <linux/slab.h> #include <linux/rtc.h> #include <linux/init.h> #include <linux/err.h> #include <linux/errno.h> #include <linux/bcd.h> #include <linux/of.h> #include <linux/regmap.h> /* * Date/Time registers */ #define DT_100THS … #define DT_SECS … #define DT_MINUTES … #define DT_HOURS … #define DT_DAYS … #define DT_WEEKDAYS … #define DT_MONTHS … #define DT_YEARS … /* * Alarm registers */ #define DT_SECOND_ALM1 … #define DT_MINUTE_ALM1 … #define DT_HOUR_ALM1 … #define DT_DAY_ALM1 … #define DT_MONTH_ALM1 … #define DT_MINUTE_ALM2 … #define DT_HOUR_ALM2 … #define DT_WEEKDAY_ALM2 … #define DT_ALARM_EN … /* * Time stamp registers */ #define DT_TIMESTAMP1 … #define DT_TIMESTAMP2 … #define DT_TIMESTAMP3 … #define DT_TS_MODE … /* * control registers */ #define CTRL_OFFSET … #define CTRL_OSCILLATOR … #define CTRL_BATTERY … #define CTRL_PIN_IO … #define CTRL_FUNCTION … #define CTRL_INTA_EN … #define CTRL_INTB_EN … #define CTRL_FLAGS … #define CTRL_RAMBYTE … #define CTRL_WDOG … #define CTRL_STOP_EN … #define CTRL_RESETS … #define CTRL_RAM … #define ALRM_SEC_A1E … #define ALRM_MIN_A1E … #define ALRM_HR_A1E … #define ALRM_DAY_A1E … #define ALRM_MON_A1E … #define ALRM_MIN_A2E … #define ALRM_HR_A2E … #define ALRM_DAY_A2E … #define INT_WDIE … #define INT_BSIE … #define INT_TSRIE … #define INT_A2IE … #define INT_A1IE … #define INT_OIE … #define INT_PIE … #define INT_ILP … #define FLAGS_TSR1F … #define FLAGS_TSR2F … #define FLAGS_TSR3F … #define FLAGS_BSF … #define FLAGS_WDF … #define FLAGS_A1F … #define FLAGS_A2F … #define FLAGS_PIF … #define PIN_IO_INTAPM … #define PIN_IO_INTA_CLK … #define PIN_IO_INTA_BAT … #define PIN_IO_INTA_OUT … #define PIN_IO_INTA_HIZ … #define OSC_CAP_SEL … #define OSC_CAP_6000 … #define OSC_CAP_12500 … #define STOP_EN_STOP … #define RESET_CPR … #define NVRAM_SIZE … struct pcf85363 { … }; struct pcf85x63_config { … }; static int pcf85363_load_capacitance(struct pcf85363 *pcf85363, struct device_node *node) { … } static int pcf85363_rtc_read_time(struct device *dev, struct rtc_time *tm) { … } static int pcf85363_rtc_set_time(struct device *dev, struct rtc_time *tm) { … } static int pcf85363_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) { … } static int _pcf85363_rtc_alarm_irq_enable(struct pcf85363 *pcf85363, unsigned int enabled) { … } static int pcf85363_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled) { … } static int pcf85363_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) { … } static irqreturn_t pcf85363_rtc_handle_irq(int irq, void *dev_id) { … } static const struct rtc_class_ops rtc_ops = …; static int pcf85363_nvram_read(void *priv, unsigned int offset, void *val, size_t bytes) { … } static int pcf85363_nvram_write(void *priv, unsigned int offset, void *val, size_t bytes) { … } static int pcf85x63_nvram_read(void *priv, unsigned int offset, void *val, size_t bytes) { … } static int pcf85x63_nvram_write(void *priv, unsigned int offset, void *val, size_t bytes) { … } static const struct pcf85x63_config pcf_85263_config = …; static const struct pcf85x63_config pcf_85363_config = …; static int pcf85363_probe(struct i2c_client *client) { … } static const __maybe_unused struct of_device_id dev_ids[] = …; MODULE_DEVICE_TABLE(of, dev_ids); static struct i2c_driver pcf85363_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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