// SPDX-License-Identifier: GPL-2.0-only /* * A SPI driver for the Ricoh RS5C348 RTC * * Copyright (C) 2006 Atsushi Nemoto <[email protected]> * * The board specific init code should provide characteristics of this * device: * Mode 1 (High-Active, Shift-Then-Sample), High Avtive CS */ #include <linux/bcd.h> #include <linux/delay.h> #include <linux/device.h> #include <linux/errno.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/string.h> #include <linux/slab.h> #include <linux/rtc.h> #include <linux/workqueue.h> #include <linux/spi/spi.h> #include <linux/module.h> #define RS5C348_REG_SECS … #define RS5C348_REG_MINS … #define RS5C348_REG_HOURS … #define RS5C348_REG_WDAY … #define RS5C348_REG_DAY … #define RS5C348_REG_MONTH … #define RS5C348_REG_YEAR … #define RS5C348_REG_CTL1 … #define RS5C348_REG_CTL2 … #define RS5C348_SECS_MASK … #define RS5C348_MINS_MASK … #define RS5C348_HOURS_MASK … #define RS5C348_WDAY_MASK … #define RS5C348_DAY_MASK … #define RS5C348_MONTH_MASK … #define RS5C348_BIT_PM … #define RS5C348_BIT_Y2K … #define RS5C348_BIT_24H … #define RS5C348_BIT_XSTP … #define RS5C348_BIT_VDET … #define RS5C348_CMD_W(addr) … #define RS5C348_CMD_R(addr) … #define RS5C348_CMD_MW(addr) … #define RS5C348_CMD_MR(addr) … struct rs5c348_plat_data { … }; static int rs5c348_rtc_set_time(struct device *dev, struct rtc_time *tm) { … } static int rs5c348_rtc_read_time(struct device *dev, struct rtc_time *tm) { … } static const struct rtc_class_ops rs5c348_rtc_ops = …; static int rs5c348_probe(struct spi_device *spi) { … } static struct spi_driver rs5c348_driver = …; module_spi_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; MODULE_ALIAS(…) …;
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