// SPDX-License-Identifier: GPL-2.0 /* * Real Time Clock driver for AB-RTCMC-32.768kHz-EOZ9 chip. * Copyright (C) 2019 Orolia * */ #include <linux/module.h> #include <linux/rtc.h> #include <linux/i2c.h> #include <linux/bcd.h> #include <linux/of.h> #include <linux/regmap.h> #include <linux/bitfield.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> #define ABEOZ9_REG_CTRL1 … #define ABEOZ9_REG_CTRL1_MASK … #define ABEOZ9_REG_CTRL1_WE … #define ABEOZ9_REG_CTRL1_TE … #define ABEOZ9_REG_CTRL1_TAR … #define ABEOZ9_REG_CTRL1_EERE … #define ABEOZ9_REG_CTRL1_SRON … #define ABEOZ9_REG_CTRL1_TD0 … #define ABEOZ9_REG_CTRL1_TD1 … #define ABEOZ9_REG_CTRL1_CLKINT … #define ABEOZ9_REG_CTRL_INT … #define ABEOZ9_REG_CTRL_INT_AIE … #define ABEOZ9_REG_CTRL_INT_TIE … #define ABEOZ9_REG_CTRL_INT_V1IE … #define ABEOZ9_REG_CTRL_INT_V2IE … #define ABEOZ9_REG_CTRL_INT_SRIE … #define ABEOZ9_REG_CTRL_INT_FLAG … #define ABEOZ9_REG_CTRL_INT_FLAG_AF … #define ABEOZ9_REG_CTRL_INT_FLAG_TF … #define ABEOZ9_REG_CTRL_INT_FLAG_V1IF … #define ABEOZ9_REG_CTRL_INT_FLAG_V2IF … #define ABEOZ9_REG_CTRL_INT_FLAG_SRF … #define ABEOZ9_REG_CTRL_STATUS … #define ABEOZ9_REG_CTRL_STATUS_V1F … #define ABEOZ9_REG_CTRL_STATUS_V2F … #define ABEOZ9_REG_CTRL_STATUS_SR … #define ABEOZ9_REG_CTRL_STATUS_PON … #define ABEOZ9_REG_CTRL_STATUS_EEBUSY … #define ABEOZ9_REG_SEC … #define ABEOZ9_REG_MIN … #define ABEOZ9_REG_HOURS … #define ABEOZ9_HOURS_PM … #define ABEOZ9_REG_DAYS … #define ABEOZ9_REG_WEEKDAYS … #define ABEOZ9_REG_MONTHS … #define ABEOZ9_REG_YEARS … #define ABEOZ9_SEC_LEN … #define ABEOZ9_REG_ALARM_SEC … #define ABEOZ9_BIT_ALARM_SEC … #define ABEOZ9_REG_ALARM_MIN … #define ABEOZ9_BIT_ALARM_MIN … #define ABEOZ9_REG_ALARM_HOURS … #define ABEOZ9_BIT_ALARM_HOURS_PM … #define ABEOZ9_BIT_ALARM_HOURS … #define ABEOZ9_REG_ALARM_DAYS … #define ABEOZ9_BIT_ALARM_DAYS … #define ABEOZ9_REG_ALARM_WEEKDAYS … #define ABEOZ9_BIT_ALARM_WEEKDAYS … #define ABEOZ9_REG_ALARM_MONTHS … #define ABEOZ9_BIT_ALARM_MONTHS … #define ABEOZ9_REG_ALARM_YEARS … #define ABEOZ9_ALARM_LEN … #define ABEOZ9_BIT_ALARM_AE … #define ABEOZ9_REG_REG_TEMP … #define ABEOZ953_TEMP_MAX … #define ABEOZ953_TEMP_MIN … #define ABEOZ9_REG_EEPROM … #define ABEOZ9_REG_EEPROM_MASK … #define ABEOZ9_REG_EEPROM_THP … #define ABEOZ9_REG_EEPROM_THE … #define ABEOZ9_REG_EEPROM_FD0 … #define ABEOZ9_REG_EEPROM_FD1 … #define ABEOZ9_REG_EEPROM_R1K … #define ABEOZ9_REG_EEPROM_R5K … #define ABEOZ9_REG_EEPROM_R20K … #define ABEOZ9_REG_EEPROM_R80K … struct abeoz9_rtc_data { … }; static int abeoz9_check_validity(struct device *dev) { … } static int abeoz9_reset_validity(struct regmap *regmap) { … } static int abeoz9_rtc_get_time(struct device *dev, struct rtc_time *tm) { … } static int abeoz9_rtc_set_time(struct device *dev, struct rtc_time *tm) { … } static int abeoz9_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm) { … } static int abeoz9_rtc_alarm_irq_enable(struct device *dev, u32 enable) { … } static int abeoz9_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm) { … } static irqreturn_t abeoz9_rtc_irq(int irq, void *dev) { … } static int abeoz9_trickle_parse_dt(struct device_node *node) { … } static int abeoz9_rtc_setup(struct device *dev, struct device_node *node) { … } static const struct rtc_class_ops rtc_ops = …; static const struct regmap_config abeoz9_rtc_regmap_config = …; #if IS_REACHABLE(CONFIG_HWMON) static int abeoz9z3_temp_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, long *temp) { … } static umode_t abeoz9_is_visible(const void *data, enum hwmon_sensor_types type, u32 attr, int channel) { … } static const u32 abeoz9_chip_config[] = …; static const struct hwmon_channel_info abeoz9_chip = …; static const u32 abeoz9_temp_config[] = …; static const struct hwmon_channel_info abeoz9_temp = …; static const struct hwmon_channel_info * const abeoz9_info[] = …; static const struct hwmon_ops abeoz9_hwmon_ops = …; static const struct hwmon_chip_info abeoz9_chip_info = …; static void abeoz9_hwmon_register(struct device *dev, struct abeoz9_rtc_data *data) { … } #else static void abeoz9_hwmon_register(struct device *dev, struct abeoz9_rtc_data *data) { } #endif static int abeoz9_probe(struct i2c_client *client) { … } #ifdef CONFIG_OF static const struct of_device_id abeoz9_dt_match[] = …; MODULE_DEVICE_TABLE(of, abeoz9_dt_match); #endif static const struct i2c_device_id abeoz9_id[] = …; static struct i2c_driver abeoz9_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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