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rpi-6.9.y
linux/drivers/rtc
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Dom Cobley 2a5baf8019 rtc: rtc-rpi: Add simple RTC driver for Raspberry Pi 
This supports setting and reading the real time clock
and supports wakeup alarms.

To support wake up alarms you want this bootloader config:
 POWER_OFF_ON_HALT=1
 WAKE_ON_GPIO=0

You can test with:
  echo +600 | sudo tee /sys/class/rtc/rtc0/wakealarm
  sudo halt

That will halt (in an almost no power state),
then wake and restart after 10 minutes.

Signed-off-by: Dom Cobley <popcornmix@gmail.com>

drivers: rtc-rpi: add battery charge circuit control and readback

Parse devicetree for a charger voltage and apply it. If nonzero and a
valid voltage, the firmware will enable charging, otherwise the charger
circuit is disabled.

Add sysfs attributes to read back the supported charge voltage range,
the measured battery voltage, and the charger setpoint.

Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
2024-07-29 14:46:30 +01:00
..
class.c
rtc: class: make rtc_class constant
2024-03-08 12:05:10 +01:00
dev.c
rtc: Remove unused rtc_dev_exit().
2022-06-24 21:24:02 +02:00
interface.c
rtc: class: make rtc_class constant
2024-03-08 12:05:10 +01:00
Kconfig
rtc: rtc-rpi: Add simple RTC driver for Raspberry Pi
2024-07-29 14:46:30 +01:00
lib_test.c
rtc: test: Fix invalid format specifier.
2024-02-27 16:26:48 -07:00
lib.c
rtc: Improve performance of rtc_time64_to_tm(). Add tests.
2021-08-10 00:09:21 +02:00
Makefile
rtc: rtc-rpi: Add simple RTC driver for Raspberry Pi
2024-07-29 14:46:30 +01:00
nvmem.c
nvmem: add explicit config option to read old syntax fixed OF cells
2023-10-21 19:19:06 +02:00
proc.c
rtc: fix snprintf() checking in is_rtc_hctosys()
2021-05-25 00:36:11 +02:00
rtc-88pm80x.c
rtc: 88pm80x: Convert to platform remove callback returning void
2023-03-17 23:03:16 +01:00
rtc-88pm860x.c
rtc: 88pm860x: Convert to platform remove callback returning void
2023-03-17 23:03:16 +01:00
rtc-ab8500.c
rtc: ab8500: Convert to platform remove callback returning void
2023-03-17 23:03:16 +01:00
rtc-ab-b5ze-s3.c
rtc: Switch i2c drivers back to use .probe()
2023-06-06 23:29:37 +02:00
rtc-ab-eoz9.c
rtc: Switch i2c drivers back to use .probe()
2023-06-06 23:29:37 +02:00
rtc-abx80x.c
rtc: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-ac100.c
rtc: ac100: remove misuses of kernel-doc
2024-01-15 22:27:35 +01:00
rtc-armada38x.c
rtc: remove redundant of_match_ptr()
2023-08-10 09:45:41 +02:00
rtc-as3722.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
rtc-asm9260.c
rtc: asm9260: Convert to platform remove callback returning void
2023-03-17 23:03:17 +01:00
rtc-aspeed.c
rtc: remove redundant of_match_ptr()
2023-08-10 09:45:41 +02:00
rtc-at91rm9200.c
rtc: at91rm9200: annotate at91_rtc_remove with __exit again
2023-10-16 06:33:00 +02:00
rtc-at91sam9.c
rtc: remove redundant of_match_ptr()
2023-08-10 09:45:41 +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: Switch i2c drivers back to use .probe()
2023-06-06 23:29:37 +02:00
rtc-bq4802.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
rtc-brcmstb-waketimer.c
rtc: brcmstb-waketimer: support level alarm_irq
2023-10-02 00:13:57 +02:00
rtc-cadence.c
rtc: cadence: Convert to platform remove callback returning void
2023-03-17 23:03:17 +01:00
rtc-cmos.c
rtc: Extend timeout for waiting for UIP to clear to 1s
2023-12-17 22:33:55 +01:00
rtc-core.h
rtc: Remove unused rtc_dev_exit().
2022-06-24 21:24:02 +02:00
rtc-cpcap.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-cros-ec.c
rtc: cros-ec: Detect and report supported alarm window size
2023-08-27 23:50:22 +02:00
rtc-da9052.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-da9055.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
rtc-da9063.c
rtc: da9063: Use dev_err_probe()
2024-01-18 01:00:21 +01:00
rtc-digicolor.c
rtc: digicolor: quiet maybe-unused variable warning
2021-02-06 00:58:24 +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: remove unnecessary spi_set_drvdata()
2022-11-15 21:01:51 +01:00
rtc-ds1305.c
rtc: ds1305: Report maximum alarm limit to rtc core
2023-08-27 23:50:22 +02:00
rtc-ds1307.c
rtc: ds1307: fix Wvoid-pointer-to-enum-cast warning
2023-08-16 01:32:08 +02:00
rtc-ds1343.c
spi: make remove callback a void function
2022-02-09 13:00:45 +00:00
rtc-ds1347.c
rtc: ds1347: fix value written to century register
2022-11-15 21:01:51 +01:00
rtc-ds1374.c
rtc: Switch i2c drivers back to use .probe()
2023-06-06 23:29:37 +02:00
rtc-ds1390.c
rtc: ds1390: mark OF related data as maybe unused
2023-03-17 23:23:22 +01:00
rtc-ds1511.c
rtc: ds1511: set alarm offset limit
2024-02-29 22:16:52 +01:00
rtc-ds1553.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1672.c
rtc: Switch i2c drivers back to use .probe()
2023-06-06 23:29:37 +02:00
rtc-ds1685.c
rtc: ds1685: use EXPORT_SYMBOL_GPL for ds1685_rtc_poweroff
2023-08-02 11:18:22 -07:00
rtc-ds1742.c
rtc: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-ds2404.c
rtc: ds2404: Convert to GPIO descriptors
2023-08-17 00:55:56 +02:00
rtc-ds3232.c
rtc: ds3232: Add DT compatible string for ds3234
2024-07-29 14:46:25 +01:00
rtc-efi.c
rtc: efi: fixed typo in efi_procfs()
2023-10-15 23:01:08 +02:00
rtc-em3027.c
rtc: Switch i2c drivers back to use .probe()
2023-06-06 23:29:37 +02:00
rtc-ep93xx.c
rtc: ep93xx: add DT support for Cirrus EP93xx
2023-10-15 23:17:05 +02:00
rtc-fm3130.c
rtc: Switch i2c drivers back to use .probe()
2023-06-06 23:29:37 +02:00
rtc-fsl-ftm-alarm.c
rtc: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-ftrtc010.c
rtc: ftrtc010: Convert to platform remove callback returning void
2023-03-17 23:03:17 +01:00
rtc-gamecube.c
rtc: gamecube: Always reset HW_SRNPROT after read
2022-08-23 22:27:58 +02:00
rtc-generic.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
rtc-goldfish.c
clocksource/drivers: Add a goldfish-timer clocksource
2022-04-11 11:48:01 +02:00
rtc-hid-sensor-time.c
rtc: hid-sensor-time: Convert to platform remove callback returning void
2023-03-17 23:03:17 +01:00
rtc-hym8563.c
rtc: Switch i2c drivers back to use .probe()
2023-06-06 23:29:37 +02:00
rtc-imx-sc.c
rtc: imx-sc: remove .read_alarm
2021-04-29 23:03:26 +02:00
rtc-imxdi.c
rtc: imxdi: Convert to platform remove callback returning void
2023-10-13 12:29:08 +02:00
rtc-isl1208.c
rtc: isl1208: Fix incorrect logic in isl1208_set_xtoscb()
2023-08-27 23:48:32 +02:00
rtc-isl12022.c
rtc: isl12022: implement support for the #clock-cells DT property
2023-08-16 01:27:01 +02:00
rtc-isl12026.c
rtc: isl12026: Drop "_new" from probe callback name
2023-07-27 23:32:08 +02:00
rtc-jz4740.c
rtc: jz4740: fix Wvoid-pointer-to-enum-cast warning
2023-08-16 01:32:08 +02:00
rtc-loongson.c
rtc: Add rtc driver for the Loongson family chips
2023-06-26 01:19:11 +02:00
rtc-lp8788.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
rtc-lpc24xx.c
rtc: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-lpc32xx.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-m41t80.c
rtc: m41t80: Use the unified property API get the wakeup-source property
2024-02-29 22:28:19 +01:00
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: m48t86: add DT support for m48t86
2023-08-28 00:01:51 +02:00
rtc-ma35d1.c
rtc: ma35d1: remove hardcoded UIE support
2024-01-08 01:33:27 +01:00
rtc-max6900.c
rtc: Switch i2c drivers back to use .probe()
2023-06-06 23:29:37 +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
rtc: max8907: Drop unused i2c include
2023-02-01 09:13:35 +01:00
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-max31335.c
rtc: max31335: fix interrupt status reg
2024-02-29 22:40:33 +01:00
rtc-max77686.c
rtc: max77686: Convert to platform remove callback returning void
2023-03-17 23:03:17 +01:00
rtc-mc13xxx.c
rtc: mc13xxx: Convert to platform remove callback returning void
2023-03-17 23:03:17 +01:00
rtc-mc146818-lib.c
rtc: Extend timeout for waiting for UIP to clear to 1s
2023-12-17 22:33:55 +01:00
rtc-mcp795.c
rtc: mcp795: Add SPI ID table
2021-10-01 23:28:28 +02:00
rtc-meson-vrtc.c
rtc: meson-vrtc: Use ktime_get_real_ts64() to get the current time
2023-03-21 21:15:10 +01:00
rtc-meson.c
rtc: meson: Fix email address in MODULE_AUTHOR
2022-05-18 00:20:39 +02:00
rtc-moxart.c
rtc: moxart: switch to using gpiod API
2023-02-09 23:31:46 +01:00
rtc-mpc5121.c
rtc: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-mpfs.c
rtc: mpfs: Convert to platform remove callback returning void
2023-03-17 23:03:17 +01:00
rtc-msc313.c
rtc: msc313: Fix function prototype mismatch in msc313_rtc_probe()
2022-12-11 18:14:01 +01:00
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: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-mt7622.c
rtc: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-mv.c
rtc: mv: Convert to platform remove callback returning void
2023-10-13 12:29:08 +02:00
rtc-mxc_v2.c
rtc: mxc_v2: Convert to platform remove callback returning void
2023-03-17 23:03:17 +01:00
rtc-mxc.c
rtc: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-nct3018y.c
rtc: nct3018y: fix possible NULL dereference
2024-03-08 12:01:21 +01:00
rtc-ntxec.c
rtc: New driver for RTC in Netronix embedded controller
2021-03-10 11:06:33 +00:00
rtc-nxp-bbnsm.c
rtc: bbnsm: Add the bbnsm rtc support
2023-02-22 12:25:32 +01:00
rtc-omap.c
rtc: omap: Use device_get_match_data()
2023-10-15 22:38:50 +02:00
rtc-opal.c
rtc: opal: switch to RTC_FEATURE_UPDATE_INTERRUPT
2022-03-23 19:58:39 +01:00
rtc-optee.c
rtc: optee: add RTC driver for OP-TEE RTC PTA
2022-03-25 11:42:50 +01:00
rtc-palmas.c
rtc: palmas: Convert to platform remove callback returning void
2023-03-17 23:03:17 +01:00
rtc-pcap.c
rtc: pcap: Drop no-op remove function
2023-10-13 12:29:08 +02:00
rtc-pcf2123.c
rtc: Add SPI alias for pcf2123 driver
2024-07-29 14:46:05 +01:00
rtc-pcf2127.c
rtc: pcf2127: remove useless check
2023-08-27 23:53:06 +02:00
rtc-pcf8523.c
rtc: pcf8523: Fix oscillator stop bit handling
2024-07-29 14:46:21 +01:00
rtc-pcf8563.c
rtc: Switch i2c drivers back to use .probe()
2023-06-06 23:29:37 +02:00
rtc-pcf8583.c
rtc: Switch i2c drivers back to use .probe()
2023-06-06 23:29:37 +02:00
rtc-pcf50633.c
rtc: pcf50633: Convert to platform remove callback returning void
2023-03-17 23:03:18 +01:00
rtc-pcf85063.c
rtc: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-pcf85363.c
rtc: pcf85363: fix wrong mask/val parameters in regmap_update_bits call
2023-10-15 22:37:57 +02:00
rtc-pic32.c
rtc: pic32: Convert to platform remove callback returning void
2023-03-17 23:03:18 +01:00
rtc-pl030.c
amba: Make the remove callback return void
2021-02-02 14:25:50 +01:00
rtc-pl031.c
rtc: pl031: fix rtc features null pointer dereference
2022-03-23 19:58:37 +01:00
rtc-pm8xxx.c
rtc: pm8xxx: Convert to platform remove callback returning void
2023-03-17 23:03:18 +01:00
rtc-ps3.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-pxa.c
rtc: pxa: Convert to platform remove callback returning void
2023-10-13 12:29:08 +02:00
rtc-r7301.c
rtc: rtc7301: Support byte-addressed IO
2023-10-15 22:37:25 +02:00
rtc-r9701.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rc5t583.c
rtc: rc5t583: Convert to platform remove callback returning void
2023-03-17 23:03:18 +01:00
rtc-rc5t619.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rk808.c
rtc: rk808: reduce 'struct rk808' usage
2022-12-11 20:56:33 +01:00
rtc-rp5c01.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rpi.c
rtc: rtc-rpi: Add simple RTC driver for Raspberry Pi
2024-07-29 14:46:30 +01:00
rtc-rs5c313.c
rtc: rs5c313: correct some spelling mistakes
2022-12-15 23:34:31 +01:00
rtc-rs5c348.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rs5c372.c
rtc: rs5c372: fix Wvoid-pointer-to-enum-cast warning
2023-08-16 01:32:08 +02:00
rtc-rtd119x.c
rtc: rtd119x: Convert to platform remove callback returning void
2023-03-17 23:03:18 +01:00
rtc-rv3028.c
rtc: rv3028: Add backup switchover mode support
2024-07-29 14:46:27 +01:00
rtc-rv3029c2.c
rtc: Switch i2c drivers back to use .probe()
2023-06-06 23:29:37 +02:00
rtc-rv3032.c
rtc: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-rv8803.c
rtc: rv8803: add wakeup-source support
2024-01-15 22:29:48 +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: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-rx8010.c
rtc: Switch i2c drivers back to use .probe()
2023-06-06 23:29:37 +02:00
rtc-rx8025.c
rtc: Switch i2c drivers back to use .probe()
2023-06-06 23:29:37 +02:00
rtc-rx8581.c
rtc: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-rzn1.c
rtc: rzn1: Report maximum alarm limit to rtc core
2023-08-27 23:50:22 +02:00
rtc-s3c.c
rtc: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
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 S5M8763 support
2023-04-26 11:40:26 +01:00
rtc-s35390a.c
rtc: Switch i2c drivers back to use .probe()
2023-06-06 23:29:37 +02:00
rtc-sa1100.c
rtc: sa1100: Convert to platform remove callback returning void
2023-03-17 23:03:18 +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: Switch i2c drivers back to use .probe()
2023-06-06 23:29:37 +02:00
rtc-sh.c
rtc: sh: Convert to platform remove callback returning void
2023-10-13 12:29:08 +02:00
rtc-snvs.c
rtc: snvs: Allow a time difference on clock register read
2022-11-15 21:25:44 +01:00
rtc-spear.c
rtc: spear: Convert to platform remove callback returning void
2023-03-17 23:03:18 +01:00
rtc-ssd202d.c
rtc: Add support for the SSD202D RTC
2023-10-16 16:54:15 +02:00
rtc-st-lpc.c
rtc: st-lpc: Simplify clk handling in st_rtc_probe()
2023-06-26 00:53:19 +02:00
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: Use NOIRQ_SYSTEM_SLEEP_PM_OPS()
2023-08-17 00:53:00 +02:00
rtc-stmp3xxx.c
rtc: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-sun4v.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-sun6i.c
rtc: sun6i: remove unnecessary message
2023-09-06 01:26:04 +02:00
rtc-sunplus.c
rtc: sunplus: Clean up redundant dev_err_probe()
2023-08-10 09:35:28 +02:00
rtc-sunxi.c
rtc: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-tegra.c
rtc: tegra: Convert to platform remove callback returning void
2023-03-17 23:03:18 +01:00
rtc-test.c
rtc: test: remove debug message
2020-12-03 23:43:23 +01:00
rtc-ti-k3.c
rtc: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-tps6586x.c
rtc: tps6586x: Report maximum alarm limit to rtc core
2023-08-27 23:50:22 +02:00
rtc-tps6594.c
rtc: tps6594: Add driver for TPS6594 RTC
2024-01-08 01:12:16 +01:00
rtc-tps65910.c
rtc: tps65910: Remove redundant dev_warn() and do not check for 0 return after calling platform_get_irq()
2023-08-17 01:17:34 +02:00
rtc-twl.c
rtc: twl: remove unnecessary messages
2023-09-06 01:26:04 +02:00
rtc-vt8500.c
rtc: vt8500: Convert to platform remove callback returning void
2023-03-17 23:03:18 +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: wm8350: remove unnecessary messages
2023-09-06 01:26:04 +02:00
rtc-x1205.c
rtc: Switch i2c drivers back to use .probe()
2023-06-06 23:29:37 +02:00
rtc-xgene.c
rtc: xgene: Convert to platform remove callback returning void
2023-03-17 23:03:18 +01:00
rtc-zynqmp.c
rtc: zynqmp: Convert to platform remove callback returning void
2023-03-17 23:03:19 +01:00
sysfs.c
rtc: Include <linux/kstrtox.h> when appropriate
2022-11-15 21:01:51 +01:00