Lines Matching +full:ev +full:- +full:evienb
1 // SPDX-License-Identifier: GPL-2.0-or-later
44 #define ISL1219_REG_EV_EVIENB (1<<7) /* event in pull-up disable */
183 return -ENODEV; in isl1208_i2c_validate_client()
240 return -EIO; in isl1208_i2c_get_dtr()
242 /* dtr encodes adjustments of {-60,-40,-20,0,20,40,60} ppm */ in isl1208_i2c_get_dtr()
243 dtr = ((dtr & 0x3) * 20) * (dtr & (1 << 2) ? -1 : 1); in isl1208_i2c_get_dtr()
280 dev_err(&client->dev, "%s: reading INT failed\n", __func__); in isl1208_rtc_toggle_alarm()
291 dev_err(&client->dev, "%s: writing INT failed\n", __func__); in isl1208_rtc_toggle_alarm()
306 dev_err(&client->dev, "%s: reading SR failed\n", __func__); in isl1208_rtc_proc()
323 seq_printf(seq, "digital_trim\t: %d ppm\n", dtr - 100); in isl1208_rtc_proc()
345 dev_err(&client->dev, "%s: reading SR failed\n", __func__); in isl1208_i2c_read_time()
346 return -EIO; in isl1208_i2c_read_time()
351 dev_err(&client->dev, "%s: reading RTC section failed\n", in isl1208_i2c_read_time()
356 tm->tm_sec = bcd2bin(regs[ISL1208_REG_SC]); in isl1208_i2c_read_time()
357 tm->tm_min = bcd2bin(regs[ISL1208_REG_MN]); in isl1208_i2c_read_time()
363 tm->tm_hour = bcd2bin(_hr & 0x3f); in isl1208_i2c_read_time()
366 tm->tm_hour = bcd2bin(_hr & 0x1f); in isl1208_i2c_read_time()
368 tm->tm_hour += 12; in isl1208_i2c_read_time()
372 tm->tm_mday = bcd2bin(regs[ISL1208_REG_DT]); in isl1208_i2c_read_time()
373 tm->tm_mon = bcd2bin(regs[ISL1208_REG_MO]) - 1; /* rtc starts at 1 */ in isl1208_i2c_read_time()
374 tm->tm_year = bcd2bin(regs[ISL1208_REG_YR]) + 100; in isl1208_i2c_read_time()
375 tm->tm_wday = bcd2bin(regs[ISL1208_REG_DW]); in isl1208_i2c_read_time()
383 struct rtc_time *const tm = &alarm->time; in isl1208_i2c_read_alarm()
388 dev_err(&client->dev, "%s: reading SR failed\n", __func__); in isl1208_i2c_read_alarm()
395 dev_err(&client->dev, "%s: reading alarm section failed\n", in isl1208_i2c_read_alarm()
401 tm->tm_sec = bcd2bin(regs[ISL1208_REG_SCA - ISL1208_REG_SCA] & 0x7f); in isl1208_i2c_read_alarm()
402 tm->tm_min = bcd2bin(regs[ISL1208_REG_MNA - ISL1208_REG_SCA] & 0x7f); in isl1208_i2c_read_alarm()
403 tm->tm_hour = bcd2bin(regs[ISL1208_REG_HRA - ISL1208_REG_SCA] & 0x3f); in isl1208_i2c_read_alarm()
404 tm->tm_mday = bcd2bin(regs[ISL1208_REG_DTA - ISL1208_REG_SCA] & 0x3f); in isl1208_i2c_read_alarm()
405 tm->tm_mon = in isl1208_i2c_read_alarm()
406 bcd2bin(regs[ISL1208_REG_MOA - ISL1208_REG_SCA] & 0x1f) - 1; in isl1208_i2c_read_alarm()
407 tm->tm_wday = bcd2bin(regs[ISL1208_REG_DWA - ISL1208_REG_SCA] & 0x03); in isl1208_i2c_read_alarm()
412 dev_err(&client->dev, "%s: reading RTC YR failed\n", __func__); in isl1208_i2c_read_alarm()
415 tm->tm_year = bcd2bin(yr) + 100; in isl1208_i2c_read_alarm()
419 dev_err(&client->dev, "%s: reading INT failed\n", __func__); in isl1208_i2c_read_alarm()
422 alarm->enabled = !!(icr & ISL1208_REG_INT_ALME); in isl1208_i2c_read_alarm()
430 struct rtc_time *alarm_tm = &alarm->time; in isl1208_i2c_set_alarm()
441 if (!alarm->enabled || rtc_tm_sub(alarm_tm, &rtc_tm) <= 0) in isl1208_i2c_set_alarm()
447 regs[ISL1208_REG_SCA - offs] = bin2bcd(alarm_tm->tm_sec) | enable; in isl1208_i2c_set_alarm()
448 regs[ISL1208_REG_MNA - offs] = bin2bcd(alarm_tm->tm_min) | enable; in isl1208_i2c_set_alarm()
449 regs[ISL1208_REG_HRA - offs] = bin2bcd(alarm_tm->tm_hour) | in isl1208_i2c_set_alarm()
452 regs[ISL1208_REG_DTA - offs] = bin2bcd(alarm_tm->tm_mday) | enable; in isl1208_i2c_set_alarm()
453 regs[ISL1208_REG_MOA - offs] = bin2bcd(alarm_tm->tm_mon + 1) | enable; in isl1208_i2c_set_alarm()
454 regs[ISL1208_REG_DWA - offs] = bin2bcd(alarm_tm->tm_wday & 7) | enable; in isl1208_i2c_set_alarm()
460 dev_err(&client->dev, "%s: writing ALARM section failed\n", in isl1208_i2c_set_alarm()
484 /* The clock has an 8 bit wide bcd-coded register (they never learn) in isl1208_i2c_set_time()
486 * in the 2000-2099 range, so any value less than 100 is invalid. in isl1208_i2c_set_time()
488 if (tm->tm_year < 100) in isl1208_i2c_set_time()
489 return -EINVAL; in isl1208_i2c_set_time()
491 regs[ISL1208_REG_SC] = bin2bcd(tm->tm_sec); in isl1208_i2c_set_time()
492 regs[ISL1208_REG_MN] = bin2bcd(tm->tm_min); in isl1208_i2c_set_time()
493 regs[ISL1208_REG_HR] = bin2bcd(tm->tm_hour) | ISL1208_REG_HR_MIL; in isl1208_i2c_set_time()
495 regs[ISL1208_REG_DT] = bin2bcd(tm->tm_mday); in isl1208_i2c_set_time()
496 regs[ISL1208_REG_MO] = bin2bcd(tm->tm_mon + 1); in isl1208_i2c_set_time()
497 regs[ISL1208_REG_YR] = bin2bcd(tm->tm_year - 100); in isl1208_i2c_set_time()
499 regs[ISL1208_REG_DW] = bin2bcd(tm->tm_wday & 7); in isl1208_i2c_set_time()
503 dev_err(&client->dev, "%s: reading SR failed\n", __func__); in isl1208_i2c_set_time()
511 dev_err(&client->dev, "%s: writing SR failed\n", __func__); in isl1208_i2c_set_time()
518 dev_err(&client->dev, "%s: writing RTC section failed\n", in isl1208_i2c_set_time()
526 dev_err(&client->dev, "%s: reading SR failed\n", __func__); in isl1208_i2c_set_time()
532 dev_err(&client->dev, "%s: writing SR failed\n", __func__); in isl1208_i2c_set_time()
561 struct i2c_client *client = to_i2c_client(dev->parent); in timestamp0_store()
583 struct i2c_client *client = to_i2c_client(dev->parent); in timestamp0_show()
606 tm.tm_sec = bcd2bin(regs[ISL1219_REG_SCT - ISL1219_REG_SCT] & 0x7f); in timestamp0_show()
607 tm.tm_min = bcd2bin(regs[ISL1219_REG_MNT - ISL1219_REG_SCT] & 0x7f); in timestamp0_show()
608 tm.tm_hour = bcd2bin(regs[ISL1219_REG_HRT - ISL1219_REG_SCT] & 0x3f); in timestamp0_show()
609 tm.tm_mday = bcd2bin(regs[ISL1219_REG_DTT - ISL1219_REG_SCT] & 0x3f); in timestamp0_show()
611 bcd2bin(regs[ISL1219_REG_MOT - ISL1219_REG_SCT] & 0x1f) - 1; in timestamp0_show()
612 tm.tm_year = bcd2bin(regs[ISL1219_REG_YRT - ISL1219_REG_SCT]) + 100; in timestamp0_show()
632 if (!isl1208->config->has_tamper) { in isl1208_rtc_interrupt()
655 dev_err(&client->dev, "%s: reading SR failed\n", in isl1208_rtc_interrupt()
662 dev_dbg(&client->dev, "alarm!\n"); in isl1208_rtc_interrupt()
664 rtc_update_irq(isl1208->rtc, 1, RTC_IRQF | RTC_AF); in isl1208_rtc_interrupt()
677 dev_err(&client->dev, "%s: writing SR failed\n", in isl1208_rtc_interrupt()
683 if (isl1208->config->has_tamper && (sr & ISL1208_REG_SR_EVT)) { in isl1208_rtc_interrupt()
684 dev_warn(&client->dev, "event detected"); in isl1208_rtc_interrupt()
686 if (isl1208->config->has_timestamp) in isl1208_rtc_interrupt()
687 sysfs_notify(&isl1208->rtc->dev.kobj, NULL, in isl1208_rtc_interrupt()
708 int atr = isl1208_i2c_get_atr(to_i2c_client(dev->parent)); in isl1208_sysfs_show_atrim()
721 int dtr = isl1208_i2c_get_dtr(to_i2c_client(dev->parent)); in isl1208_sysfs_show_dtrim()
725 return sprintf(buf, "%d ppm\n", dtr - 100); in isl1208_sysfs_show_dtrim()
734 int usr = isl1208_i2c_get_usr(to_i2c_client(dev->parent)); in isl1208_sysfs_show_usr()
746 int usr = -1; in isl1208_sysfs_store_usr()
750 return -EINVAL; in isl1208_sysfs_store_usr()
753 return -EINVAL; in isl1208_sysfs_store_usr()
757 return -EINVAL; in isl1208_sysfs_store_usr()
759 if (isl1208_i2c_set_usr(to_i2c_client(dev->parent), usr)) in isl1208_sysfs_store_usr()
760 return -EIO; in isl1208_sysfs_store_usr()
792 struct i2c_client *client = to_i2c_client(isl1208->rtc->dev.parent); in isl1208_nvmem_read()
806 struct i2c_client *client = to_i2c_client(isl1208->rtc->dev.parent); in isl1208_nvmem_write()
827 int rc = devm_request_threaded_irq(&client->dev, irq, NULL, in isl1208_setup_irq()
833 device_init_wakeup(&client->dev, true); in isl1208_setup_irq()
836 dev_err(&client->dev, in isl1208_setup_irq()
848 clk = devm_clk_get_optional(&client->dev, name); in isl1208_clk_present()
859 int evdet_irq = -1; in isl1208_probe()
864 if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) in isl1208_probe()
865 return -ENODEV; in isl1208_probe()
868 return -ENODEV; in isl1208_probe()
871 isl1208 = devm_kzalloc(&client->dev, sizeof(*isl1208), GFP_KERNEL); in isl1208_probe()
873 return -ENOMEM; in isl1208_probe()
877 isl1208->config = i2c_get_match_data(client); in isl1208_probe()
878 if (!isl1208->config) in isl1208_probe()
879 return -ENODEV; in isl1208_probe()
894 isl1208->rtc = devm_rtc_allocate_device(&client->dev); in isl1208_probe()
895 if (IS_ERR(isl1208->rtc)) in isl1208_probe()
896 return PTR_ERR(isl1208->rtc); in isl1208_probe()
898 isl1208->rtc->ops = &isl1208_rtc_ops; in isl1208_probe()
901 isl1208->nvmem_config = isl1208_nvmem_config; in isl1208_probe()
902 isl1208->nvmem_config.size = isl1208->config->nvmem_length; in isl1208_probe()
903 isl1208->nvmem_config.priv = isl1208; in isl1208_probe()
907 dev_err(&client->dev, "reading status failed\n"); in isl1208_probe()
911 if (isl1208->config->has_inverted_osc_bit) in isl1208_probe()
919 dev_warn(&client->dev, "rtc power failure detected, " in isl1208_probe()
922 if (isl1208->config->has_tamper) { in isl1208_probe()
923 struct device_node *np = client->dev.of_node; in isl1208_probe()
924 u32 evienb; in isl1208_probe() local
928 dev_err(&client->dev, "failed to read EV reg\n"); in isl1208_probe()
932 if (!of_property_read_u32(np, "isil,ev-evienb", &evienb)) { in isl1208_probe()
933 if (evienb) in isl1208_probe()
940 dev_err(&client->dev, "could not enable tamper detection\n"); in isl1208_probe()
945 if (isl1208->config->has_timestamp) { in isl1208_probe()
946 rc = rtc_add_group(isl1208->rtc, &isl1219_rtc_sysfs_files); in isl1208_probe()
951 rc = rtc_add_group(isl1208->rtc, &isl1208_rtc_sysfs_files); in isl1208_probe()
955 if (client->irq > 0) { in isl1208_probe()
956 rc = isl1208_setup_irq(client, client->irq); in isl1208_probe()
960 clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, isl1208->rtc->features); in isl1208_probe()
963 if (evdet_irq > 0 && evdet_irq != client->irq) in isl1208_probe()
968 rc = devm_rtc_nvmem_register(isl1208->rtc, &isl1208->nvmem_config); in isl1208_probe()
972 return devm_rtc_register_device(isl1208->rtc); in isl1208_probe()
977 .name = "rtc-isl1208",