35 #define BQ32K_TCH2		0x08	/* Trickle charge enable */
36 #define BQ32K_CFG2		0x09	/* Trickle charger control */
37 #define BQ32K_TCFE		BIT(6)	/* Trickle charge FET bypass */
60 			.addr = client->addr,  in bq32k_read()
65 			.addr = client->addr,  in bq32k_read()
72 	if (i2c_transfer(client->adapter, msgs, 2) == 2)  in bq32k_read()
75 	return -EIO;  in bq32k_read()
89 	return -EIO;  in bq32k_write()
106 		return -EINVAL;  in bq32k_rtc_read_time()
108 	tm->tm_sec = bcd2bin(regs.seconds & BQ32K_SECONDS_MASK);  in bq32k_rtc_read_time()
109 	tm->tm_min = bcd2bin(regs.minutes & BQ32K_MINUTES_MASK);  in bq32k_rtc_read_time()
110 	tm->tm_hour = bcd2bin(regs.cent_hours & BQ32K_HOURS_MASK);  in bq32k_rtc_read_time()
111 	tm->tm_mday = bcd2bin(regs.date);  in bq32k_rtc_read_time()
112 	tm->tm_wday = bcd2bin(regs.day) - 1;  in bq32k_rtc_read_time()
113 	tm->tm_mon = bcd2bin(regs.month) - 1;  in bq32k_rtc_read_time()
114 	tm->tm_year = bcd2bin(regs.years) +  in bq32k_rtc_read_time()
124 	regs.seconds = bin2bcd(tm->tm_sec);  in bq32k_rtc_set_time()
125 	regs.minutes = bin2bcd(tm->tm_min);  in bq32k_rtc_set_time()
126 	regs.cent_hours = bin2bcd(tm->tm_hour) | BQ32K_CENT_EN;  in bq32k_rtc_set_time()
127 	regs.day = bin2bcd(tm->tm_wday + 1);  in bq32k_rtc_set_time()
128 	regs.date = bin2bcd(tm->tm_mday);  in bq32k_rtc_set_time()
129 	regs.month = bin2bcd(tm->tm_mon + 1);  in bq32k_rtc_set_time()
131 	if (tm->tm_year >= 100) {  in bq32k_rtc_set_time()
133 		regs.years = bin2bcd(tm->tm_year - 100);  in bq32k_rtc_set_time()
135 		regs.years = bin2bcd(tm->tm_year);  in bq32k_rtc_set_time()
151 	if (of_property_read_u32(node, "trickle-resistor-ohms" , &ohms))  in trickle_charger_of_init()
158 		 * over diode and 940ohm resistor)  in trickle_charger_of_init()
161 		if (of_property_read_bool(node, "trickle-diode-disable")) {  in trickle_charger_of_init()
162 			dev_err(dev, "diode and resistor mismatch\n");  in trickle_charger_of_init()
163 			return -EINVAL;  in trickle_charger_of_init()
169 		/* diode disabled */  in trickle_charger_of_init()
171 		if (!of_property_read_bool(node, "trickle-diode-disable")) {  in trickle_charger_of_init()
172 			dev_err(dev, "bq32k: diode and resistor mismatch\n");  in trickle_charger_of_init()
173 			return -EINVAL;  in trickle_charger_of_init()
180 		return -EINVAL;  in trickle_charger_of_init()
192 	dev_info(dev, "Enabled trickle RTC battery charge.\n");  in trickle_charger_of_init()
216 		return -EINVAL;  in bq32k_sysfs_store_tricklecharge_bypass()
228 		dev_info(dev, "Enabled trickle charge FET bypass.\n");  in bq32k_sysfs_store_tricklecharge_bypass()
235 		dev_info(dev, "Disabled trickle charge FET bypass.\n");  in bq32k_sysfs_store_tricklecharge_bypass()
258 	struct device *dev = &client->dev;  in bq32k_probe()
263 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))  in bq32k_probe()
264 		return -ENODEV;  in bq32k_probe()
283 	if (client->dev.of_node)  in bq32k_probe()
284 		trickle_charger_of_init(dev, client->dev.of_node);  in bq32k_probe()
286 	rtc = devm_rtc_device_register(&client->dev, bq32k_driver.driver.name,  in bq32k_probe()
291 	error = bq32k_sysfs_register(&client->dev);  in bq32k_probe()
293 		dev_err(&client->dev,  in bq32k_probe()
306 	bq32k_sysfs_unregister(&client->dev);  in bq32k_remove()