3  * An I2C driver for the Philips PCF8563 RTC
11  * http://www.semiconductors.philips.com/acrobat/datasheets/PCF8563-04.pdf
62 struct pcf8563 {  struct
66 	 * From PCF8563 datasheet: this bit is toggled when the years
177 	struct pcf8563 *pcf8563 = i2c_get_clientdata(dev_id);  in pcf8563_irq()  local
181 	err = pcf8563_get_alarm_mode(pcf8563->client, NULL, &pending);  in pcf8563_irq()
186 		rtc_update_irq(pcf8563->rtc, 1, RTC_IRQF | RTC_AF);  in pcf8563_irq()
187 		pcf8563_set_alarm_mode(pcf8563->client, 1);  in pcf8563_irq()
195  * In the routines that deal directly with the pcf8563 hardware, we use
201 	struct pcf8563 *pcf8563 = i2c_get_clientdata(client);  in pcf8563_rtc_read_time()  local
232 	pcf8563->c_polarity = (buf[PCF8563_REG_MO] & PCF8563_MO_C) ?  in pcf8563_rtc_read_time()
247 	struct pcf8563 *pcf8563 = i2c_get_clientdata(client);  in pcf8563_rtc_set_time()  local
268 	if (pcf8563->c_polarity ? (tm->tm_year >= 100) : (tm->tm_year < 100))  in pcf8563_rtc_set_time()
369 #define clkout_hw_to_pcf8563(_hw) container_of(_hw, struct pcf8563, clkout_hw)
381 	struct pcf8563 *pcf8563 = clkout_hw_to_pcf8563(hw);  in pcf8563_clkout_recalc_rate()  local
382 	struct i2c_client *client = pcf8563->client;  in pcf8563_clkout_recalc_rate()
408 	struct pcf8563 *pcf8563 = clkout_hw_to_pcf8563(hw);  in pcf8563_clkout_set_rate()  local
409 	struct i2c_client *client = pcf8563->client;  in pcf8563_clkout_set_rate()
432 	struct pcf8563 *pcf8563 = clkout_hw_to_pcf8563(hw);  in pcf8563_clkout_control()  local
433 	struct i2c_client *client = pcf8563->client;  in pcf8563_clkout_control()
461 	struct pcf8563 *pcf8563 = clkout_hw_to_pcf8563(hw);  in pcf8563_clkout_is_prepared()  local
462 	struct i2c_client *client = pcf8563->client;  in pcf8563_clkout_is_prepared()
481 static struct clk *pcf8563_clkout_register_clk(struct pcf8563 *pcf8563)  in pcf8563_clkout_register_clk()  argument
483 	struct i2c_client *client = pcf8563->client;  in pcf8563_clkout_register_clk()
496 	init.name = "pcf8563-clkout";  in pcf8563_clkout_register_clk()
501 	pcf8563->clkout_hw.init = &init;  in pcf8563_clkout_register_clk()
507 	clk = devm_clk_register(&client->dev, &pcf8563->clkout_hw);  in pcf8563_clkout_register_clk()
528 	struct pcf8563 *pcf8563;  in pcf8563_probe()  local
537 	pcf8563 = devm_kzalloc(&client->dev, sizeof(struct pcf8563),  in pcf8563_probe()
539 	if (!pcf8563)  in pcf8563_probe()
542 	i2c_set_clientdata(client, pcf8563);  in pcf8563_probe()
543 	pcf8563->client = client;  in pcf8563_probe()
562 	pcf8563->rtc = devm_rtc_allocate_device(&client->dev);  in pcf8563_probe()
563 	if (IS_ERR(pcf8563->rtc))  in pcf8563_probe()
564 		return PTR_ERR(pcf8563->rtc);  in pcf8563_probe()
566 	pcf8563->rtc->ops = &pcf8563_rtc_ops;  in pcf8563_probe()
567 	/* the pcf8563 alarm only supports a minute accuracy */  in pcf8563_probe()
568 	pcf8563->rtc->uie_unsupported = 1;  in pcf8563_probe()
569 	pcf8563->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;  in pcf8563_probe()
570 	pcf8563->rtc->range_max = RTC_TIMESTAMP_END_2099;  in pcf8563_probe()
571 	pcf8563->rtc->set_start_time = true;  in pcf8563_probe()
585 	err = rtc_register_device(pcf8563->rtc);  in pcf8563_probe()
591 	pcf8563_clkout_register_clk(pcf8563);  in pcf8563_probe()
598 	{ "pcf8563", 0 },
606 	{ .compatible = "nxp,pcf8563" },
616 		.name	= "rtc-pcf8563",
626 MODULE_DESCRIPTION("Philips PCF8563/Epson RTC8564 RTC driver");