linux.git/drivers/rtc/Kconfig, branch v6.12.80 Clone of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git Merge tag 'rtc-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux 2024-09-25T21:38:37+00:00 Linus Torvalds torvalds@linux-foundation.org 2024-09-25T21:38:37+00:00 b2149f948c2d60880f94a68cc784eeefe1e78b77 Pull RTC updates from Alexandre Belloni: "More conversions of DT bindings to yaml. There is one new driver, for the DFRobot SD2405AL and support for important features of the stm32 RTC. Summary: New driver: - DFRobot SD2405AL Drivers: - stm32: add alarm A out and LSCO support - sun6i: disable automatic clock input switching - m48t59: set range" * tag 'rtc-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: rtc: rc5t619: use proper module tables rtc: m48t59: set range dt-bindings: rtc: microcrystal,rv3028: add #clock-cells property rtc: m48t59: Remove division condition with direct comparison rtc: at91sam9: fix OF node leak in probe() error path rtc: sun6i: disable automatic clock input switching dt-bindings: rtc: Drop non-trivial duplicate compatibles dt-bindings: vendor-prefixes: Add DFRobot. dt-bindings: rtc: Add support for SD2405AL. rtc: Add driver for SD2405AL rtc: s35390a: Drop vendorless compatible string from match table rtc: twl: convert comma to semicolon dt-bindings: rtc: sprd,sc2731-rtc: convert to YAML rtc: stm32: add alarm A out feature rtc: stm32: add Low Speed Clock Output (LSCO) support rtc: stm32: add pinctrl and pinmux interfaces dt-bindings: rtc: stm32: describe pinmux nodes 
Pull RTC updates from Alexandre Belloni:
 "More conversions of DT bindings to yaml. There is one new driver, for
  the DFRobot SD2405AL and support for important features of the stm32
  RTC. Summary:

  New driver:
   - DFRobot SD2405AL

  Drivers:
   - stm32: add alarm A out and LSCO support
   - sun6i: disable automatic clock input switching
   - m48t59: set range"

* tag 'rtc-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
  rtc: rc5t619: use proper module tables
  rtc: m48t59: set range
  dt-bindings: rtc: microcrystal,rv3028: add #clock-cells property
  rtc: m48t59: Remove division condition with direct comparison
  rtc: at91sam9: fix OF node leak in probe() error path
  rtc: sun6i: disable automatic clock input switching
  dt-bindings: rtc: Drop non-trivial duplicate compatibles
  dt-bindings: vendor-prefixes: Add DFRobot.
  dt-bindings: rtc: Add support for SD2405AL.
  rtc: Add driver for SD2405AL
  rtc: s35390a: Drop vendorless compatible string from match table
  rtc: twl: convert comma to semicolon
  dt-bindings: rtc: sprd,sc2731-rtc: convert to YAML
  rtc: stm32: add alarm A out feature
  rtc: stm32: add Low Speed Clock Output (LSCO) support
  rtc: stm32: add pinctrl and pinmux interfaces
  dt-bindings: rtc: stm32: describe pinmux nodes
rtc: Add driver for SD2405AL 2024-09-11T22:33:24+00:00 Tóth János gomba007@gmail.com 2024-08-30T08:36:39+00:00 5af858acea22bc5d8a2ebddcad57babca1442dd1 Add support for the DFRobot SD2405AL I2C RTC Module. Datasheet: https://image.dfrobot.com/image/data/TOY0021/SD2405AL%20datasheet%20(Angelo%20v0.1).pdf Product: https://www.dfrobot.com/product-1600.html To instantiate (assuming device is connected to I2C-1) as root: echo sd2405al 0x32 > /sys/bus/i2c/devices/i2c-1/new_device as user: echo 'sd2405al 0x32' | sudo tee /sys/class/i2c-adapter/i2c-1/new_device The driver is tested with: + hwclock + tools/testing/selftests/rtc/setdate + tools/testing/selftests/rtc/rtctest Reviewed-by: Csókás Bence <csokas.bence@prolan.hu> Signed-off-by: Tóth János <gomba007@gmail.com> Link: https://lore.kernel.org/r/20240830-rtc-sd2405al-v7-1-2f7102621b1d@gmail.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> 
Add support for the DFRobot SD2405AL I2C RTC Module.

Datasheet:
	https://image.dfrobot.com/image/data/TOY0021/SD2405AL%20datasheet%20(Angelo%20v0.1).pdf

Product:
	https://www.dfrobot.com/product-1600.html

To instantiate (assuming device is connected to I2C-1)
as root:
	echo sd2405al 0x32 > /sys/bus/i2c/devices/i2c-1/new_device
as user:
	echo 'sd2405al 0x32' | sudo tee /sys/class/i2c-adapter/i2c-1/new_device

The driver is tested with:
	+ hwclock
	+ tools/testing/selftests/rtc/setdate
	+ tools/testing/selftests/rtc/rtctest

Reviewed-by: Csókás Bence <csokas.bence@prolan.hu>
Signed-off-by: Tóth János <gomba007@gmail.com>
Link: https://lore.kernel.org/r/20240830-rtc-sd2405al-v7-1-2f7102621b1d@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
rtc: support i.MX95 BBM RTC 2024-08-28T20:54:51+00:00 Peng Fan peng.fan@nxp.com 2024-08-23T09:05:22+00:00 3008598ef3b009252aaf2f5967df0b11d14258a6 The BBM module provides RTC feature. To i.MX95, this module is managed by System Manager and exported System Control Management Interface(SCMI). Linux could use i.MX SCMI BBM Extension protocol to use RTC feature. This driver is to use SCMI interface to get/set RTC. Reviewed-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Peng Fan <peng.fan@nxp.com> Message-Id: <20240823-imx95-bbm-misc-v2-v8-6-e600ed9e9271@nxp.com> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> 
The BBM module provides RTC feature. To i.MX95, this module is managed by
System Manager and exported System Control Management Interface(SCMI).
Linux could use i.MX SCMI BBM Extension protocol to use RTC feature.

This driver is to use SCMI interface to get/set RTC.

Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Message-Id: <20240823-imx95-bbm-misc-v2-v8-6-e600ed9e9271@nxp.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
rtc: stm32: add Low Speed Clock Output (LSCO) support 2024-08-14T09:37:07+00:00 Valentin Caron valentin.caron@foss.st.com 2024-07-22T16:00:21+00:00 bb7b0df2be5c6b7bfe0cf9c93067c5b1489566ca RTC is able to output on a pin the "LSE" internal clock. STM32 RTC is now registered as a clock provider. It provides rtc_lsco clock, that means RTC_LSCO is output on either RTC_OUT1 or RTC_OUT2_RMP, depending on pinmux DT property. The clock is marked as CLK_IGNORE_UNUSED and CLK_IS_CRITICAL because RTC_LSCO can be early required by devices needed it to init. Add LSCO in pinmux functions. Add "stm32_rtc_clean_outs" to disable LSCO. As RTC is part of "backup" power domain, it is not reset during shutdown or reboot. So force LSCO disable at probe. Co-developed-by: Amelie Delaunay <amelie.delaunay@foss.st.com> Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com> Signed-off-by: Valentin Caron <valentin.caron@foss.st.com> Link: https://lore.kernel.org/r/20240722160022.454226-4-valentin.caron@foss.st.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> 
RTC is able to output on a pin the "LSE" internal clock.

STM32 RTC is now registered as a clock provider.
It provides rtc_lsco clock, that means RTC_LSCO is output on either
RTC_OUT1 or RTC_OUT2_RMP, depending on pinmux DT property.
The clock is marked as CLK_IGNORE_UNUSED and CLK_IS_CRITICAL because
RTC_LSCO can be early required by devices needed it to init.

Add LSCO in pinmux functions.

Add "stm32_rtc_clean_outs" to disable LSCO. As RTC is part of "backup"
power domain, it is not reset during shutdown or reboot. So force LSCO
disable at probe.

Co-developed-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Signed-off-by: Valentin Caron <valentin.caron@foss.st.com>
Link: https://lore.kernel.org/r/20240722160022.454226-4-valentin.caron@foss.st.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
rtc: stm32: add pinctrl and pinmux interfaces 2024-08-14T09:37:07+00:00 Valentin Caron valentin.caron@foss.st.com 2024-07-22T16:00:20+00:00 16ad2bc09efbcb9cb24f8d879ac218421cbef690 STM32 RTC is capable to handle 3 specific pins of the soc. "out1, out2 and out2_rmp". To handle this, we use pinctrl framework. There is a single pin per group. Signed-off-by: Valentin Caron <valentin.caron@foss.st.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20240722160022.454226-3-valentin.caron@foss.st.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> 
STM32 RTC is capable to handle 3 specific pins of the soc.
"out1, out2 and out2_rmp". To handle this, we use pinctrl framework.
There is a single pin per group.

Signed-off-by: Valentin Caron <valentin.caron@foss.st.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20240722160022.454226-3-valentin.caron@foss.st.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
rtc: Add driver for Epson RX8111 2024-04-16T23:45:33+00:00 Waqar Hameed waqar.hameed@axis.com 2023-11-20T14:49:25+00:00 f8c81d15f4bb585f229a1f5f609a8544b89933ff Epson RX8111 is an RTC with alarm, timer and timestamp functionality. Add a basic driver with support for only reading/writing time (for now). Signed-off-by: Waqar Hameed <waqar.hameed@axis.com> Link: https://lore.kernel.org/r/0c3e1b03f276da47b26ac50f5d0ddf5c67aabe5c.1700491765.git.waqar.hameed@axis.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> 
Epson RX8111 is an RTC with alarm, timer and timestamp functionality.
Add a basic driver with support for only reading/writing time (for now).

Signed-off-by: Waqar Hameed <waqar.hameed@axis.com>
Link: https://lore.kernel.org/r/0c3e1b03f276da47b26ac50f5d0ddf5c67aabe5c.1700491765.git.waqar.hameed@axis.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
rtc: mt6397: select IRQ_DOMAIN instead of depending on it 2024-02-29T21:37:58+00:00 Randy Dunlap rdunlap@infradead.org 2024-02-13T05:02:58+00:00 544c42f798e1651dcb04fb0395219bf0f1c2607e IRQ_DOMAIN is a hidden (not user visible) symbol. Users cannot set it directly thru "make *config", so drivers should select it instead of depending on it if they need it. Relying on it being set for a dependency is risky. Consistently using "select" or "depends on" can also help reduce Kconfig circular dependency issues. Therefore, change the use of "depends on" for IRQ_DOMAIN to "select" for RTC_DRV_MT6397. Fixes: 04d3ba70a3c9 ("rtc: mt6397: add IRQ domain dependency") Cc: Arnd Bergmann <arnd@arndb.de> Cc: Eddie Huang <eddie.huang@mediatek.com> Cc: Sean Wang <sean.wang@mediatek.com> Cc: Matthias Brugger <matthias.bgg@gmail.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-mediatek@lists.infradead.org Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: linux-rtc@vger.kernel.org Cc: Marc Zyngier <maz@kernel.org> Cc: Philipp Zabel <p.zabel@pengutronix.de> Cc: Peter Rosin <peda@axentia.se> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Link: https://lore.kernel.org/r/20240213050258.6167-1-rdunlap@infradead.org Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> 
IRQ_DOMAIN is a hidden (not user visible) symbol. Users cannot set
it directly thru "make *config", so drivers should select it instead
of depending on it if they need it.
Relying on it being set for a dependency is risky.

Consistently using "select" or "depends on" can also help reduce
Kconfig circular dependency issues.

Therefore, change the use of "depends on" for IRQ_DOMAIN to
"select" for RTC_DRV_MT6397.

Fixes: 04d3ba70a3c9 ("rtc: mt6397: add IRQ domain dependency")
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Eddie Huang <eddie.huang@mediatek.com>
Cc: Sean Wang <sean.wang@mediatek.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-mediatek@lists.infradead.org
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: linux-rtc@vger.kernel.org
Cc: Marc Zyngier <maz@kernel.org>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Peter Rosin <peda@axentia.se>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20240213050258.6167-1-rdunlap@infradead.org
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
rtc: max31335: add driver support 2024-01-15T22:27:59+00:00 Antoniu Miclaus antoniu.miclaus@analog.com 2023-11-20T12:00:17+00:00 dedaf03b99d6561fae06457fd7fc2b0aa154d003 RTC driver for MAX31335 ±2ppm Automotive Real-Time Clock with Integrated MEMS Resonator. Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com> Link: https://lore.kernel.org/r/20231120120114.48657-2-antoniu.miclaus@analog.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> 
RTC driver for MAX31335 ±2ppm Automotive Real-Time Clock with
Integrated MEMS Resonator.

Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://lore.kernel.org/r/20231120120114.48657-2-antoniu.miclaus@analog.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
rtc: lpc24xx: add missing dependency 2024-01-08T00:13:56+00:00 Antoniu Miclaus antoniu.miclaus@analog.com 2023-11-14T11:45:31+00:00 cd0d7d6639de4468d181c87e45cfd07d51b525da The driver depends on COMMON_CLK. Add the dependency in Kconfig. Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com> Link: https://lore.kernel.org/r/20231114114532.37840-1-antoniu.miclaus@analog.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> 
The driver depends on COMMON_CLK. Add the dependency in Kconfig.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://lore.kernel.org/r/20231114114532.37840-1-antoniu.miclaus@analog.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
rtc: tps6594: Add driver for TPS6594 RTC 2024-01-08T00:12:16+00:00 Esteban Blanc eblanc@baylibre.com 2023-11-07T09:47:01+00:00 9f67c1e63976d3403f0b250b03ffe959c890f9db TPS6594 PMIC is a MFD. This patch adds support for the RTC found inside TPS6594 family of PMIC. Alarm is also supported. Signed-off-by: Esteban Blanc <eblanc@baylibre.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Tested-by: Thomas Richard <thomas.richard@bootlin.com> Link: https://lore.kernel.org/r/20231107094701.2223486-1-eblanc@baylibre.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> 
TPS6594 PMIC is a MFD. This patch adds support for
the RTC found inside TPS6594 family of PMIC.

Alarm is also supported.

Signed-off-by: Esteban Blanc <eblanc@baylibre.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Tested-by: Thomas Richard <thomas.richard@bootlin.com>
Link: https://lore.kernel.org/r/20231107094701.2223486-1-eblanc@baylibre.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>