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0d20e9fb12
linux/drivers/rtc
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Alexandre Belloni 0d20e9fb12 rtc: add BSM parameter 
BSM or Backup Switch Mode is a common feature on RTCs, allowing to select
how the RTC will decide when to switch from its primary power supply to the
backup power supply. It is necessary to be able to set it from userspace as
there are uses cases where it has to be done dynamically.

Supported values are:
  RTC_BSM_DISABLED: disabled
  RTC_BSM_DIRECT: switching will happen as soon as Vbackup > Vdd
  RTC_BSM_LEVEL: switching will happen around a threshold, usually with an
  hysteresis
  RTC_BSM_STANDBY: switching will not happen until Vdd > Vbackup, this is
  useful to ensure the RTC doesn't draw any power until the device is first
  powered on.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20211018151933.76865-6-alexandre.belloni@bootlin.com
2021-10-18 17:20:50 +02:00
..
class.c rtc: expose correction feature 2021-10-18 17:20:50 +02:00
dev.c rtc: add BSM parameter 2021-10-18 17:20:50 +02:00
interface.c rtc: rtc_update_irq_enable: rework UIE emulation 2021-04-29 23:04:13 +02:00
Kconfig rtc: Add support for the MSTAR MSC313 RTC 2021-09-26 00:17:25 +02:00
lib_test.c rtc: lib_test: add MODULE_LICENSE 2021-08-10 23:21:46 +02:00
lib.c rtc: Improve performance of rtc_time64_to_tm(). Add tests. 2021-08-10 00:09:21 +02:00
Makefile rtc: Add support for the MSTAR MSC313 RTC 2021-09-26 00:17:25 +02:00
nvmem.c rtc: nvmem: emit an error message when nvmem registration fails 2020-11-19 12:50:12 +01:00
proc.c rtc: fix snprintf() checking in is_rtc_hctosys() 2021-05-25 00:36:11 +02:00
rtc-88pm80x.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-88pm860x.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-ab8500.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-ab-b5ze-s3.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-ab-eoz9.c rtc: ab-eoz9: make use of RTC_FEATURE_ALARM 2021-04-17 00:07:16 +02:00
rtc-abx80x.c rtc: abx80x: Add utility function for writing configuration key 2021-02-13 23:03:26 +01:00
rtc-ac100.c rtc: ac100: use rtc_lock/rtc_unlock 2021-01-25 23:45:37 +01:00
rtc-armada38x.c rtc: armada38x: remove armada38x_rtc_ops_noirq 2021-01-16 23:19:26 +01:00
rtc-as3722.c
rtc-asm9260.c rtc: asm9260: use rtc_lock/rtc_unlock 2021-01-25 23:46:16 +01:00
rtc-aspeed.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-at91rm9200.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-at91sam9.c rtc: at91sam9: Remove unnecessary offset variable checks 2021-07-10 02:42:08 +02:00
rtc-au1xxx.c rtc: au1xxx: convert to SPDX identifier 2021-07-10 01:53:39 +02:00
rtc-bd70528.c rtc: bd70528: Drop BD70528 support 2021-06-20 22:24:52 +02:00
rtc-bq32k.c rtc: bq32k: quiet maybe-unused variable warning 2021-02-06 00:58:24 +01:00
rtc-bq4802.c
rtc-brcmstb-waketimer.c rtc: brcmstb-waketimer: quiet maybe-unused variable warning 2021-02-06 00:58:24 +01:00
rtc-cadence.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-cmos.c rtc: cmos: remove stale REVISIT comments 2021-08-17 23:39:20 +02:00
rtc-core.h
rtc-cpcap.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-cros-ec.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-da9052.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-da9055.c
rtc-da9063.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-davinci.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-digicolor.c rtc: digicolor: quiet maybe-unused variable warning 2021-02-06 00:58:24 +01:00
rtc-dm355evm.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-ds1216.c rtc: use devm_platform_ioremap_resource() to simplify code 2019-10-07 01:07:35 +02:00
rtc-ds1286.c rtc: use devm_platform_ioremap_resource() to simplify code 2019-10-07 01:07:35 +02:00
rtc-ds1302.c rtc: ds1302: Add SPI ID table 2021-09-25 23:22:28 +02:00
rtc-ds1305.c rtc: ds1305: use rtc_lock/rtc_unlock 2021-01-25 23:46:16 +01:00
rtc-ds1307.c rtc: ds1307: Fix wday settings for rx8130 2021-04-29 23:37:18 +02:00
rtc-ds1343.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-ds1347.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-ds1374.c rtc: ds1374: convert to SPDX identifier 2021-07-10 01:53:39 +02:00
rtc-ds1390.c rtc: ds1390: Add SPI ID table 2021-09-25 23:22:28 +02:00
rtc-ds1511.c rtc: ds1511: remove unused function 2021-04-17 11:21:04 +02:00
rtc-ds1553.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-ds1672.c rtc: ds1672: quiet maybe-unused variable warning 2021-02-06 00:58:24 +01:00
rtc-ds1685.c rtc: ds1685: use rtc_lock/rtc_unlock 2021-01-25 23:46:17 +01:00
rtc-ds1742.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-ds2404.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-ds3232.c rtc: ds3232: quiet maybe-unused variable warning 2021-02-06 00:58:24 +01:00
rtc-efi.c rtc: efi: Remove the repeated module alias 2021-05-25 00:39:58 +02:00
rtc-em3027.c rtc: em3027: correct month value 2019-11-08 16:14:09 +01:00
rtc-ep93xx.c rtc: ep93xx: Fix NULL pointer dereference in ep93xx_rtc_read_time 2020-12-03 23:49:31 +01:00
rtc-fm3130.c RTC for 5.3 2019-07-17 10:03:50 -07:00
rtc-fsl-ftm-alarm.c rtc: fsl-ftm-alarm: add MODULE_TABLE() 2021-04-17 11:21:04 +02:00
rtc-ftrtc010.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-generic.c
rtc-goldfish.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-hid-sensor-time.c iio: hid-sensors: lighten exported symbols by moving to IIO_HID namespace 2021-06-16 14:53:13 +01:00
rtc-hym8563.c rtc: hym8563: use rtc_lock/rtc_unlock 2021-01-25 23:46:17 +01:00
rtc-imx-sc.c rtc: imx-sc: remove .read_alarm 2021-04-29 23:03:26 +02:00
rtc-imxdi.c rtc: imxdi: add wakeup support 2021-05-25 00:41:25 +02:00
rtc-isl1208.c rtc: isl1208: quiet maybe-unused variable warning 2021-02-06 00:58:24 +01:00
rtc-isl12022.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
rtc-isl12026.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-jz4740.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-lp8788.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
rtc-lpc24xx.c rtc: remove unnecessary error message after platform_get_irq 2020-04-15 09:56:17 +02:00
rtc-lpc32xx.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-ls1x.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-m41t80.c rtc: m41t80: return NULL rather than a plain 0 integer 2021-10-01 23:31:29 +02:00
rtc-m41t93.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
rtc-m41t94.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
rtc-m48t35.c rtc: m48t35: remove SGI-IP27 kludge 2020-03-16 11:12:11 +01:00
rtc-m48t59.c rtc: m48t59: use platform_get_irq_optional 2021-03-11 09:48:09 +01:00
rtc-m48t86.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-max6900.c rtc: max6900: convert to SPDX identifier 2021-07-10 01:53:39 +02:00
rtc-max6902.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
rtc-max6916.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
rtc-max8907.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
rtc-max8925.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
rtc-max8997.c
rtc-max8998.c
rtc-max77686.c rtc: max77686: Do not enforce (incorrect) interrupt trigger type 2021-06-20 22:22:13 +02:00
rtc-mc13xxx.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-mc146818-lib.c rtc: mc146818: Dont test for bit 0-5 in Register D 2021-02-02 20:35:02 +01:00
rtc-mcp795.c rtc: mcp795: Add SPI ID table 2021-10-01 23:28:28 +02:00
rtc-meson-vrtc.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-meson.c rtc: meson: quiet maybe-unused variable warning 2021-02-06 00:58:24 +01:00
rtc-moxart.c rtc: moxart: Convert to SPDX identifier 2019-12-23 11:23:49 +01:00
rtc-mpc5121.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-msc313.c rtc: msc313: Fix unintentional sign extension issues with left shift of a u16 2021-10-01 23:28:46 +02:00
rtc-msm6242.c rtc: msm6242: Remove unneeded msm6242_set()/msm6242_clear() functions 2019-11-18 15:23:54 +01:00
rtc-mt2712.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-mt6397.c rtc: mt6397: refine RTC_TC_MTH 2021-06-01 16:44:09 +01:00
rtc-mt7622.c rtc: use devm_platform_ioremap_resource() to simplify code 2019-10-07 01:07:35 +02:00
rtc-mv.c rtc: mv: remove mv_rtc_alarm_ops 2021-01-16 23:19:26 +01:00
rtc-mxc_v2.c rtc: mxc_v2: add missing MODULE_DEVICE_TABLE 2021-05-25 00:33:17 +02:00
rtc-mxc.c rtc: mxc: Remove unneeded of_match_ptr() 2021-03-16 08:48:44 +01:00
rtc-ntxec.c rtc: New driver for RTC in Netronix embedded controller 2021-03-10 11:06:33 +00:00
rtc-omap.c rtc: omap: drop unneeded MODULE_ALIAS 2021-09-25 23:26:37 +02:00
rtc-opal.c rtc: opal: constify opal_rtc_ops 2021-01-16 23:19:26 +01:00
rtc-palmas.c rtc: palmas: convert to SPDX identifier 2021-07-10 01:53:39 +02:00
rtc-pcap.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-pcf2123.c rtc: pcf2123: Add SPI ID table 2021-09-25 23:22:28 +02:00
rtc-pcf2127.c rtc: pcf2127: handle timestamp interrupts 2021-07-10 02:58:31 +02:00
rtc-pcf8523.c rtc: pcf8523: rename register and bit defines 2021-07-10 23:18:30 +02:00
rtc-pcf8563.c rtc: pcf8563: Fix the datasheet URL 2021-06-20 23:48:35 +02:00
rtc-pcf8583.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
rtc-pcf50633.c
rtc-pcf85063.c rtc: pcf85063: Always clear EXT_TEST from set_time 2021-10-15 21:09:38 +02:00
rtc-pcf85363.c rtc: pcf85363: quiet maybe-unused variable warning 2021-02-06 00:58:25 +01:00
rtc-pic32.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-pl030.c amba: Make the remove callback return void 2021-02-02 14:25:50 +01:00
rtc-pl031.c ARM updates for 5.12-rc1: 2021-02-22 14:27:07 -08:00
rtc-pm8xxx.c rtc: pm8xxx: Add RTC support for PMIC PMK8350 2021-04-17 00:20:01 +02:00
rtc-ps3.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-pxa.c rtc: Remove dev_err() usage after platform_get_irq() 2019-08-13 10:53:10 +02:00
rtc-r7301.c rtc: r7301: Replace spin_lock_irqsave with spin_lock in hard IRQ 2021-02-06 00:50:47 +01:00
rtc-r9701.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-rc5t583.c
rtc-rc5t619.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-rk808.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-rp5c01.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-rs5c313.c rtc: rtc-rs5c313: Convert to module_platform_driver() 2020-08-21 00:13:44 +02:00
rtc-rs5c348.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-rs5c372.c rtc: rs5c372: quiet maybe-unused variable warning 2021-02-06 00:58:25 +01:00
rtc-rtd119x.c rtc: rtd119x: Fix format of SPDX identifier 2021-07-10 01:53:39 +02:00
rtc-rv3028.c rtc: rv3028: correct weekday register usage 2021-03-15 23:03:27 +01:00
rtc-rv3029c2.c rtc: rv3029: quiet maybe-unused variable warning 2021-02-06 00:58:25 +01:00
rtc-rv3032.c rtc: rv3032: fix error handling in rv3032_clkout_set_rate() 2021-10-15 21:07:23 +02:00
rtc-rv8803.c rtc: rv8803: quiet maybe-unused variable warning 2021-02-06 00:58:25 +01:00
rtc-rx4581.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
rtc-rx6110.c rtc: rx6110: simplify getting the adapter of a client 2021-09-25 23:27:39 +02:00
rtc-rx8010.c rtc: rx8010: quiet maybe-unused variable warning 2021-02-06 00:58:25 +01:00
rtc-rx8025.c rtc: rx8025: implement RX-8035 support 2021-08-17 23:48:33 +02:00
rtc-rx8581.c rtc: rx8581: quiet maybe-unused variable warning 2021-02-06 00:58:25 +01:00
rtc-s3c.c rtc: s3c: quiet maybe-unused variable warning 2021-02-06 00:59:16 +01:00
rtc-s3c.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
rtc-s5m.c rtc: s5m: drop unneeded MODULE_ALIAS 2021-09-25 23:26:37 +02:00
rtc-s35390a.c rtc: s35390a: quiet maybe-unused variable warning 2021-02-06 00:58:25 +01:00
rtc-sa1100.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-sa1100.h
rtc-sc27xx.c rtc: sc27xx: Fix format of SPDX identifier 2021-07-10 01:53:39 +02:00
rtc-sd3078.c rtc: sd3078: quiet maybe-unused variable warning 2021-02-06 00:58:26 +01:00
rtc-sh.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-snvs.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-spear.c rtc: spear: convert to SPDX identifier 2021-07-10 01:53:57 +02:00
rtc-st-lpc.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-starfire.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-stk17ta8.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-stm32.c rtc: stm32: Fix unbalanced clk_disable_unprepare() on probe error path 2021-06-20 22:28:02 +02:00
rtc-stmp3xxx.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-sun4v.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-sun6i.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-sunxi.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-tegra.c rtc: tegra: Replace spin_lock_irqsave with spin_lock in hard IRQ 2021-02-06 00:50:47 +01:00
rtc-test.c rtc: test: remove debug message 2020-12-03 23:43:23 +01:00
rtc-tps6586x.c rtc: tps6586x: convert to SPDX identifier 2021-07-10 01:53:40 +02:00
rtc-tps65910.c rtc: tps65910: Correct driver module alias 2021-08-17 23:36:22 +02:00
rtc-tps80031.c rtc: tps80031: convert to SPDX identifier 2021-07-10 01:53:39 +02:00
rtc-twl.c
rtc-v3020.c rtc: v3020: remove redundant initialization of variable retval 2021-06-20 22:29:50 +02:00
rtc-vr41xx.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-vt8500.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-wilco-ec.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-wm831x.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-wm8350.c
rtc-x1205.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
rtc-xgene.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
rtc-zynqmp.c rtc: rework rtc_register_device() resource management 2020-11-19 12:50:12 +01:00
sysfs.c rtc: sysfs: Correct kerneldoc function name hctosys_show() 2021-06-20 22:18:05 +02:00