2  * An I2C driver for the Philips PCF8563 RTC
10  * http://www.semiconductors.philips.com/acrobat/datasheets/PCF8563-04.pdf
65 struct pcf8563 {  struct
69 	 * From PCF8563 datasheet: this bit is toggled when the years
181 	struct pcf8563 *pcf8563 = i2c_get_clientdata(dev_id);  in pcf8563_irq()  local
185 	err = pcf8563_get_alarm_mode(pcf8563->client, NULL, &pending);  in pcf8563_irq()
190 		rtc_update_irq(pcf8563->rtc, 1, RTC_IRQF | RTC_AF);  in pcf8563_irq()
191 		pcf8563_set_alarm_mode(pcf8563->client, 1);  in pcf8563_irq()
199  * In the routines that deal directly with the pcf8563 hardware, we use
204 	struct pcf8563 *pcf8563 = i2c_get_clientdata(client);  in pcf8563_get_datetime()  local
213 		pcf8563->voltage_low = 1;  in pcf8563_get_datetime()
238 	pcf8563->c_polarity = (buf[PCF8563_REG_MO] & PCF8563_MO_C) ?  in pcf8563_get_datetime()
252 	struct pcf8563 *pcf8563 = i2c_get_clientdata(client);  in pcf8563_set_datetime()  local
273 	if (pcf8563->c_polarity ? (tm->tm_year >= 100) : (tm->tm_year < 100))  in pcf8563_set_datetime()
285 	struct pcf8563 *pcf8563 = i2c_get_clientdata(to_i2c_client(dev));  in pcf8563_rtc_ioctl()  local
290 		/*if (pcf8563->voltage_low)  in pcf8563_rtc_ioctl()
293 		if (copy_to_user((void __user *)arg, &pcf8563->voltage_low,  in pcf8563_rtc_ioctl()
309 		pcf8563->voltage_low = 0;  in pcf8563_rtc_ioctl()
404 #define clkout_hw_to_pcf8563(_hw) container_of(_hw, struct pcf8563, clkout_hw)
416 	struct pcf8563 *pcf8563 = clkout_hw_to_pcf8563(hw);  in pcf8563_clkout_recalc_rate()  local
417 	struct i2c_client *client = pcf8563->client;  in pcf8563_clkout_recalc_rate()
443 	struct pcf8563 *pcf8563 = clkout_hw_to_pcf8563(hw);  in pcf8563_clkout_set_rate()  local
444 	struct i2c_client *client = pcf8563->client;  in pcf8563_clkout_set_rate()
467 	struct pcf8563 *pcf8563 = clkout_hw_to_pcf8563(hw);  in pcf8563_clkout_control()  local
468 	struct i2c_client *client = pcf8563->client;  in pcf8563_clkout_control()
496 	struct pcf8563 *pcf8563 = clkout_hw_to_pcf8563(hw);  in pcf8563_clkout_is_prepared()  local
497 	struct i2c_client *client = pcf8563->client;  in pcf8563_clkout_is_prepared()
516 static __maybe_unused struct clk *pcf8563_clkout_register_clk(struct pcf8563 *pcf8563)  in pcf8563_clkout_register_clk()  argument
518 	struct i2c_client *client = pcf8563->client;  in pcf8563_clkout_register_clk()
531 	init.name = "pcf8563-clkout";  in pcf8563_clkout_register_clk()
536 	pcf8563->clkout_hw.init = &init;  in pcf8563_clkout_register_clk()
542 	clk = devm_clk_register(&client->dev, &pcf8563->clkout_hw);  in pcf8563_clkout_register_clk()
563 	struct pcf8563 *pcf8563;  in pcf8563_probe()  local
572 	pcf8563 = devm_kzalloc(&client->dev, sizeof(struct pcf8563),  in pcf8563_probe()
574 	if (!pcf8563)  in pcf8563_probe()
577 	i2c_set_clientdata(client, pcf8563);  in pcf8563_probe()
578 	pcf8563->client = client;  in pcf8563_probe()
597 	pcf8563->rtc = devm_rtc_device_register(&client->dev,  in pcf8563_probe()
601 	if (IS_ERR(pcf8563->rtc))  in pcf8563_probe()
602 		return PTR_ERR(pcf8563->rtc);  in pcf8563_probe()
619 	// pcf8563_clkout_register_clk(pcf8563);  in pcf8563_probe()
622 	/* the pcf8563 alarm only supports a minute accuracy */  in pcf8563_probe()
623 	pcf8563->rtc->uie_unsupported = 1;  in pcf8563_probe()
629 	{ "pcf8563", 0 },
637 	{ .compatible = "nxp,pcf8563" },
645 		.name	= "rtc-pcf8563",
655 MODULE_DESCRIPTION("Philips PCF8563/Epson RTC8564 RTC driver");