Commit Graph

370 Commits

Author SHA1 Message Date
Linus Torvalds
b2149f948c Merge tag 'rtc-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
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
2024-09-25 14:38:37 -07:00
Karthikeyan Krishnasamy
4015580e98 dt-bindings: rtc: microcrystal,rv3028: add #clock-cells property
RV3028 RTC has a clock out features, the clk out can be
controlled using clkout register, to consume the clock out
from rv3028 '#clock-cells' property is added.

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Karthikeyan Krishnasamy <karthikeyan@linumiz.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20240912142451.2952633-4-karthikeyan@linumiz.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-09-18 10:48:10 +02:00
Rob Herring (Arm)
0cfd26cc06 dt-bindings: rtc: Drop non-trivial duplicate compatibles
Several compatibles documented in trivial-rtc.yaml are documented
elsewhere and are not trivial, so drop them.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240910234431.1043923-1-robh@kernel.org
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-09-12 00:33:33 +02:00
Tóth János
0bb7e903e8 dt-bindings: rtc: Add support for SD2405AL.
Add the necessary documentation for SD2405AL.

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Tóth János <gomba007@gmail.com>
Link: https://lore.kernel.org/r/20240830-rtc-sd2405al-v7-2-2f7102621b1d@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-09-12 00:33:32 +02:00
Stanislav Jakubek
adab39e1f4 dt-bindings: rtc: sprd,sc2731-rtc: convert to YAML
Convert the Spreadtrum SC2731 RTC bindings to DT schema.
Rename file to match compatible.

Signed-off-by: Stanislav Jakubek <stano.jakubek@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/ZolsyEC8eeJWNIb6@standask-GA-A55M-S2HP
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-09-12 00:07:50 +02:00
Valentin Caron
5b19519d4e dt-bindings: rtc: stm32: describe pinmux nodes
STM32 RTC is capable to handle 3 specific pins of the soc (out1, out2,
out2_rmp) and to outputs 2 signals (LSCO, alarm-a).

This feature is configured thanks to pinmux nodes and pinctrl framework.
This feature is available with compatible st,stm32mp1-rtc and
st,stm32mp25-rtc only.

Signed-off-by: Valentin Caron <valentin.caron@foss.st.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20240722160022.454226-2-valentin.caron@foss.st.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-08-14 11:37:07 +02:00
Frank Li
ad21e3840a dt-bindings: soc: fsl: Convert rcpm to yaml format
Convert dt-binding rcpm from txt to yaml format.
Add fsl,ls1028a-rcpm compatible string.

Additional changes:
- Add missed compatible string fsl,<chip>-rcpm.
- Remove map fsl,<chip>-rcpm to fsl,qoriq-rcpm-<version>.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20240802152219.2740137-1-Frank.Li@nxp.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2024-08-06 13:22:13 -06:00
Valentin Caron
1746a61a02 dt-bindings: rtc: stm32: introduce new st,stm32mp25-rtc compatible
Introduce new st,stm32mp25-rtc compatible. It is based on st,stm32mp1-rtc.

Difference is that stm32mp25 soc implements a triple protection on RTC
registers:
- Secure bit based protection
- Privileged context based protection
- Compartment ID filtering based protection
This driver will now check theses configurations before probing to avoid
exceptions and fake reads on register.

Link: https://www.st.com/resource/en/reference_manual/rm0457-stm32mp25xx-advanced-armbased-3264bit-mpus-stmicroelectronics.pdf#page=4081
Signed-off-by: Valentin Caron <valentin.caron@foss.st.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20240708153434.416287-2-valentin.caron@foss.st.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-07-10 17:15:32 +02:00
Frank Li
840ac611fb dt-bindings: rtc: Convert rtc-fsl-ftm-alarm.txt to yaml format
Convert dt-binding doc "rtc-fsl-ftm-alarm.txt" to yaml format.

Change example's reg to 32bit address and length.
Remove unrelated rcpm@1e34040 in example.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240528184359.2685109-1-Frank.Li@nxp.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-06-28 00:26:32 +02:00
Linus Torvalds
54f71b0369 Merge tag 'rtc-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
 "There is one new driver and then most of the changes are the device
  tree bindings conversions to yaml.

  New driver:
   - Epson RX8111

  Drivers:
   - Many Device Tree bindings conversions to dtschema
   - pcf8563: wakeup-source support"

* tag 'rtc-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
  pcf8563: add wakeup-source support
  rtc: rx8111: handle VLOW flag
  rtc: rx8111: demote warnings to debug level
  rtc: rx6110: Constify struct regmap_config
  dt-bindings: rtc: convert trivial devices into dtschema
  dt-bindings: rtc: stmp3xxx-rtc: convert to dtschema
  dt-bindings: rtc: pxa-rtc: convert to dtschema
  rtc: Add driver for Epson RX8111
  dt-bindings: rtc: Add Epson RX8111
  rtc: mcp795: drop unneeded MODULE_ALIAS
  rtc: nuvoton: Modify part number value
  rtc: test: Split rtc unit test into slow and normal speed test
  dt-bindings: rtc: nxp,lpc1788-rtc: convert to dtschema
  dt-bindings: rtc: digicolor-rtc: move to trivial-rtc
  dt-bindings: rtc: alphascale,asm9260-rtc: convert to dtschema
  dt-bindings: rtc: armada-380-rtc: convert to dtschema
  rtc: cros-ec: provide ID table for avoiding fallback match
2024-05-25 13:33:53 -07:00
Andreas Kemnade
f769df1eb9 dt-bindings: mfd: twl: Convert trivial subdevices to json-schema
Convert subdevices with just an interrupt and compatbile to
json-schema and wire up already converted subdevices.
RTC is available in all variants, so allow it unconditionally.
GPADC binding for TWL603X uses two different compatibles, so
specify just the compatible and do not include it.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240401081831.456828-1-andreas@kemnade.info
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10 15:39:16 +01:00
Javier Carrasco
1c431b92e2 dt-bindings: rtc: convert trivial devices into dtschema
These RTCs meet the requirements for a direct conversion into
trivial-rtc:

- google,goldfish-rtc
- maxim,ds1742
- lpc32xx-rtc
- orion-rtc
- rtc-aspeed
- spear-rtc
- via,vt8500-rtc

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20240413-rtc_dtschema-v3-2-eff368bcc471@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-04-17 21:34:34 +02:00
Javier Carrasco
c3a0ee85f6 dt-bindings: rtc: stmp3xxx-rtc: convert to dtschema
Convert existing binding to dtschema to support validation and
add the undocumented compatible 'fsl,imx23-rtc'.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240413-rtc_dtschema-v3-4-eff368bcc471@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-04-17 21:29:31 +02:00
Javier Carrasco
bbd3e43662 dt-bindings: rtc: pxa-rtc: convert to dtschema
Convert existing binding to dtschema to support validation.

The missing 'reg' and 'interrupts' properties have been added, taking
the 2 supported interrupts into account to fix the example.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20240413-rtc_dtschema-v3-3-eff368bcc471@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-04-17 21:29:31 +02:00
Waqar Hameed
c6a2fb6d14 dt-bindings: rtc: Add Epson RX8111
Epson RX8111 is an RTC with timestamp functionality. Add devicetree
bindings requiring the compatible string and I2C slave address (reg)
through `trivial-rtc.yaml`.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Waqar Hameed <waqar.hameed@axis.com>
Link: https://lore.kernel.org/r/4823f303ec8308762430f4f3aaa462be20baef54.1700491765.git.waqar.hameed@axis.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-04-17 01:45:33 +02:00
Javier Carrasco
7918a220d2 dt-bindings: rtc: nxp,lpc1788-rtc: convert to dtschema
Convert existing binding to dtschema to support validation.

This is a direct conversion with no additions.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240326-rtc-yaml-v3-4-caa430ecace7@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-03-29 15:57:55 +01:00
Javier Carrasco
971e7303f4 dt-bindings: rtc: digicolor-rtc: move to trivial-rtc
Convert existing binding to dtschema to support validation.

This device meets the requirements to be moved to trivial-rtc
(compatible, reg and a single interrupt).

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240326-rtc-yaml-v3-3-caa430ecace7@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-03-29 15:57:55 +01:00
Javier Carrasco
432008d2f7 dt-bindings: rtc: alphascale,asm9260-rtc: convert to dtschema
Convert existing binding to dtschema to support validation.

This is a direct conversion with no additions.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240326-rtc-yaml-v3-2-caa430ecace7@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-03-29 15:57:55 +01:00
Javier Carrasco
c3c50e7df3 dt-bindings: rtc: armada-380-rtc: convert to dtschema
Convert existing binding to dtschema to support validation.

This is a direct conversion with no additions.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240326-rtc-yaml-v3-1-caa430ecace7@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-03-29 15:57:54 +01:00
Linus Torvalds
3faae16b5a Merge tag 'rtc-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
 "Subsytem:
   - rtc_class is now const

  Drivers:
   - ds1511: cleanup, set date and time range and alarm offset limit
   - max31335: fix interrupt handler
   - pcf8523: improve suspend support"

* tag 'rtc-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (28 commits)
  MAINTAINER: Include linux-arm-msm for Qualcomm RTC patches
  dt-bindings: rtc: zynqmp: Add support for Versal/Versal NET SoCs
  rtc: class: make rtc_class constant
  dt-bindings: rtc: abx80x: Improve checks on trickle charger constraints
  MAINTAINERS: adjust file entry in ARM/Mediatek RTC DRIVER
  rtc: nct3018y: fix possible NULL dereference
  rtc: max31335: fix interrupt status reg
  rtc: mt6397: select IRQ_DOMAIN instead of depending on it
  dt-bindings: rtc: abx80x: convert to yaml
  rtc: m41t80: Use the unified property API get the wakeup-source property
  dt-bindings: at91rm9260-rtt: add sam9x7 compatible
  dt-bindings: rtc: convert MT7622 RTC to the json-schema
  dt-bindings: rtc: convert MT2717 RTC to the json-schema
  rtc: pcf8523: add suspend handlers for alarm IRQ
  rtc: ds1511: set alarm offset limit
  rtc: ds1511: set range
  rtc: ds1511: drop inline/noinline hints
  rtc: ds1511: rename pdata
  rtc: ds1511: implement ds1511_rtc_read_alarm properly
  rtc: ds1511: remove partial alarm support
  ...
2024-03-21 17:16:46 -07:00
Michal Simek
f010990046 dt-bindings: rtc: zynqmp: Add support for Versal/Versal NET SoCs
Add support for Versal and Versal NET SoCs. Both of them should use the
same IP core but differences can be in integration part that's why create
separate compatible strings.

Also describe optional power-domains property. It is optional because power
domain doesn't need to be onwed by non secure firmware hence no access to
control it via any driver.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/5ecd775e6083f86aa744c4e9dfb7f6a13082c78a.1709804617.git.michal.simek@amd.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-03-08 12:06:04 +01:00
Laurent Pinchart
32a6be0858 dt-bindings: rtc: abx80x: Improve checks on trickle charger constraints
The abracon,tc-diode and abracon,tc-resistor DT properties are only
valid for the ABx0804 and ABx0805. Furthermore, they must both be
present, or neither of them must be specified. Add rules to check this.

The generic abracon,abx08x compatible string doesn't indicate which chip
variant is used, but performs auto-detection at runtime. It must this
also allow the two above properties.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240305080944.17991-1-laurent.pinchart@ideasonboard.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-03-08 12:03:18 +01:00
Josua Mayer
626e2b5464 dt-bindings: rtc: abx80x: convert to yaml
Convert the abracon abx80x rtc text bindings to dt-schema format.

In addition to the text description reference generic interrupts
properties and add an example.

Signed-off-by: Josua Mayer <josua@solid-run.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240219-rtc-abracon-convert-bindings-v7-1-aca4fc3b8cec@solid-run.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-02-29 22:32:55 +01:00
Varshini Rajendran
16816e6a36 dt-bindings: at91rm9260-rtt: add sam9x7 compatible
Add compatible for SAM9X7 RTT.

Signed-off-by: Varshini Rajendran <varshini.rajendran@microchip.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240223172552.672094-1-varshini.rajendran@microchip.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-02-29 22:25:51 +01:00
Rafał Miłecki
aef3952ec1 dt-bindings: rtc: convert MT7622 RTC to the json-schema
This helps validating DTS files. Introduced changes:
1. Reworded title
2. Dropper redundant properties descriptions
3. Added required #include-s and adjusted "reg" in example

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240123125043.27192-1-zajec5@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-02-29 22:21:16 +01:00
Rafał Miłecki
e8c0498505 dt-bindings: rtc: convert MT2717 RTC to the json-schema
This helps validating DTS files. Introduced changes:
1. Reworded title
2. Dropper redundant properties descriptions
3. Added required #include and adjusted "reg" in example

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240122124949.29577-1-zajec5@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-02-29 22:19:56 +01:00
Rob Herring
442fd190d3 MAINTAINERS: Drop my "+dt" sub-address
I never really implemented any filtering on the "+dt" sub-address, so
drop it.

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com> # for I2C
Link: https://lore.kernel.org/r/20240122211528.1719994-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
2024-01-31 16:05:18 -06:00
Linus Torvalds
378de6df19 Merge tag 'rtc-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
 "There are three new drivers this cycle. Also the cmos driver is
  getting fixes for longstanding wakeup issues on AMD.

  New drivers:
   - Analog Devices MAX31335
   - Nuvoton ma35d1
   - Texas Instrument TPS6594 PMIC RTC

  Drivers:
   - cmos: use ACPI alarm instead of HPET on recent AMD platforms
   - nuvoton: add NCT3015Y-R and NCT3018Y-R support
   - rv8803: proper suspend/resume and wakeup-source support"

* tag 'rtc-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (26 commits)
  rtc: nuvoton: Compatible with NCT3015Y-R and NCT3018Y-R
  rtc: da9063: Use dev_err_probe()
  rtc: da9063: Use device_get_match_data()
  rtc: da9063: Make IRQ as optional
  rtc: max31335: Fix comparison in max31335_volatile_reg()
  rtc: max31335: use regmap_update_bits_check
  rtc: max31335: remove unecessary locking
  rtc: max31335: add driver support
  dt-bindings: rtc: max31335: add max31335 bindings
  rtc: rv8803: add wakeup-source support
  rtc: ac100: remove misuses of kernel-doc
  rtc: class: Remove usage of the deprecated ida_simple_xx() API
  rtc: MAINTAINERS: drop Alessandro Zummo
  rtc: ma35d1: remove hardcoded UIE support
  dt-bindings: rtc: qcom-pm8xxx: fix inconsistent example
  rtc: rv8803: Add power management support
  rtc: ds3232: avoid unused-const-variable warning
  rtc: lpc24xx: add missing dependency
  rtc: tps6594: Add driver for TPS6594 RTC
  rtc: Add driver for Nuvoton ma35d1 rtc controller
  ...
2024-01-18 17:25:39 -08:00
Antoniu Miclaus
5905777847 dt-bindings: rtc: max31335: add max31335 bindings
Document the Analog Devices MAX31335 device tree bindings.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://lore.kernel.org/r/20231120120114.48657-1-antoniu.miclaus@analog.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-01-15 23:27:14 +01:00
Alexandre Belloni
83c0711453 rtc: rv8803: add wakeup-source support
The RV8803 can be wired directly to a PMIC that can wake up an SoC without
the CPU getting interrupts.

Link: https://lore.kernel.org/r/20240108004357.602918-1-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-01-15 22:29:48 +01:00
Johan Hovold
33f4ac1654 dt-bindings: rtc: qcom-pm8xxx: fix inconsistent example
The PM8921 is an SSBI PMIC but in the binding example it is described
as being part of an SPMI PMIC while using an SSBI address.

Make the example consistent by using the sibling PM8941 SPMI PMIC
instead.

Fixes: 8138c5f031 ("dt-bindings: rtc: qcom-pm8xxx-rtc: Add qcom pm8xxx rtc bindings")
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20231130173223.12794-1-johan+linaro@kernel.org
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-01-08 01:32:36 +01:00
Jacky Huang
3767bba698 dt-bindings: rtc: Add Nuvoton ma35d1 rtc
Add documentation describing the Nuvoton ma35d1 rtc controller.

Signed-off-by: Jacky Huang <ychuang3@nuvoton.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230925070251.28-2-ychuang570808@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2023-12-17 23:43:20 +01:00
Krzysztof Kozlowski
1d2c16e1ab dt-bindings: rtc: s3c-rtc: add specific compatibles for existing SoC
Samsung Exynos SoC reuses several devices from older designs, thus
historically we kept the old (block's) compatible only.  This works fine
and there is no bug here, however guidelines expressed in
Documentation/devicetree/bindings/writing-bindings.rst state that:
1. Compatibles should be specific.
2. We should add new compatibles in case of bugs or features.

Add compatibles specific to each SoC in front of all old-SoC-like
compatibles.

Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20231108104343.24192-7-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
2023-11-15 12:50:19 +01:00
Linus Torvalds
d2f51b3516 Merge tag 'rtc-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
 "There is a new driver for the RTC of the Mstar SSD202D SoC. The
  rtc7301 driver gains support for byte addresses to support the
  USRobotics USR8200. Then we have many non user visible changes and
  typo fixes.

  Summary:

  Subsytem:
   - convert platform drivers to remove_new
   - prevent modpost warnings for unremovable platform drivers

  New driver:
   - Mstar SSD202D

  Drivers:
   - brcmstb-waketimer: support level alarm_irq
   - ep93xx: add DT support
   - rtc7301: support byte-addressed IO"

* tag 'rtc-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (28 commits)
  dt-bindings: rtc: Add Mstar SSD202D RTC
  rtc: Add support for the SSD202D RTC
  rtc: at91rm9200: annotate at91_rtc_remove with __exit again
  dt-bindings: rtc: microcrystal,rv3032: Document wakeup-source property
  dt-bindings: rtc: pcf8523: Convert to YAML
  dt-bindings: rtc: mcp795: move to trivial-rtc
  rtc: ep93xx: add DT support for Cirrus EP93xx
  dt-bindings: rtc: Add Cirrus EP93xx
  dt-bindings: rtc: pcf2123: convert to YAML
  rtc: efi: fixed typo in efi_procfs()
  rtc: omap: Use device_get_match_data()
  rtc: pcf85363: fix wrong mask/val parameters in regmap_update_bits call
  rtc: rtc7301: Support byte-addressed IO
  rtc: rtc7301: Rewrite bindings in schema
  rtc: sh: Convert to platform remove callback returning void
  rtc: pxa: Convert to platform remove callback returning void
  rtc: mv: Convert to platform remove callback returning void
  rtc: imxdi: Convert to platform remove callback returning void
  rtc: at91rm9200: Convert to platform remove callback returning void
  rtc: pcap: Drop no-op remove function
  ...
2023-11-05 18:49:40 -08:00
Rafał Miłecki
c5330723d5 dt-bindings: nvmem: move deprecated cells binding to its own file
Support for old NVMEM fixed cells was deprecated in favour of
"fixed-layout". It's still part of the nvmem.yaml though and may be
unknowingly used by new bindings added without much of analyze.

To make it more difficult to accidentally support old syntax move its
binding to separated file with "deprecated" in its name.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20231020105545.216052-4-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-21 19:19:06 +02:00
Romain Perier
cfb67623ce dt-bindings: rtc: Add Mstar SSD202D RTC
Add YAML bindings for Mstar SSD202D RTC.

Signed-off-by: Romain Perier <romain.perier@gmail.com>
Link: https://lore.kernel.org/r/20230913151606.69494-3-romain.perier@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2023-10-16 16:54:26 +02:00
Marek Vasut
dc71c03b0a dt-bindings: rtc: microcrystal,rv3032: Document wakeup-source property
The RV3032 can be used as a wake-up source, document the 'wakeup-source'
property as allowed property.

Signed-off-by: Marek Vasut <marex@denx.de>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230921192604.70944-1-marex@denx.de
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2023-10-15 23:29:15 +02:00
Fabio Estevam
539cbe1b81 dt-bindings: rtc: pcf8523: Convert to YAML
Convert the PCF8523 bindings from text format to YAML.

The YAML format is preferred as it allows validation.

Signed-off-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230905220826.79901-1-festevam@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2023-10-15 23:23:51 +02:00
Javier Carrasco
cf3cce410a dt-bindings: rtc: mcp795: move to trivial-rtc
The current mcp795 bindings in text format do not support validation and
are missing the optional interrupt property that is currently supported.

Adding the missing property makes the bindings identical to the existing
trivial-rtc bindings.

Add maxim,mcp795 to the trivial-rtc bindings and delete current .txt
bindings

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230906-topic-rtc_mcp795_yaml-v3-1-5262f1b39920@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2023-10-15 23:20:35 +02:00
Nikita Shubin
207bddd978 dt-bindings: rtc: Add Cirrus EP93xx
Add device tree bindings for the Cirrus Logic EP93xx RTC block
used in these SoCs.

Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230915-ep93xx-v4-13-a1d779dcec10@maquefel.me
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2023-10-15 23:17:04 +02:00
Javier Carrasco
fdaf4c5acf dt-bindings: rtc: pcf2123: convert to YAML
Convert the existing txt binding to the preferred YAML format.

The pcf2123 node may contain SPI settings such as spi-cs-high and
spi-max-frequency, which keeps it from being added to the trivial-rtc
binding with its current definition. Add a reference to
spi-peripheral-props.yaml to account for that.

The "interrupts" property was missing in the binding although it is
already supported. Add the missing property in the new binding.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230907-topic-pcf2123_yaml-v2-1-ea87a8e12190@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2023-10-15 23:15:49 +02:00
Linus Walleij
5ded578a18 rtc: rtc7301: Rewrite bindings in schema
This rewrites the Epson RTC7301 bindings to use YAML schema,
and adds a property for "reg-io-width" as used in several
other bindings to account for different register strides.

The USRobotics USR8200 uses the byte IO width.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Akinobu Mita <akinobu.mita@gmail.com>
Link: https://lore.kernel.org/r/20231010-rtc-7301-regwidth-v3-1-ade586b62794@linaro.org
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2023-10-15 22:37:25 +02:00
Linus Torvalds
ff6e6ded54 Merge tag 'rtc-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
 "Subsystem:

   - Add a way for drivers to tell the core the supported alarm range is
     smaller than the date range. This is not used yet but will be
     useful for the alarmtimers in the next release.

   - fix Wvoid-pointer-to-enum-cast warnings

   - remove redundant of_match_ptr()

   - stop warning for invalid alarms when the alarm is disabled

  Drivers:

   - isl12022: allow setting the trip level for battery level detection

   - pcf2127: add support for PCF2131 and multiple timestamps

   - stm32: time precision improvement, many fixes

   - twl: NVRAM support"

* tag 'rtc-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (73 commits)
  dt-bindings: rtc: ds3231: Remove text binding
  rtc: wm8350: remove unnecessary messages
  rtc: twl: remove unnecessary messages
  rtc: sun6i: remove unnecessary message
  rtc: stop warning for invalid alarms when the alarm is disabled
  rtc: twl: add NVRAM support
  rtc: pcf85363: Allow to wake up system without IRQ
  rtc: m48t86: add DT support for m48t86
  dt-bindings: rtc: Add ST M48T86
  rtc: pcf2127: remove useless check
  rtc: rzn1: Report maximum alarm limit to rtc core
  rtc: ds1305: Report maximum alarm limit to rtc core
  rtc: tps6586x: Report maximum alarm limit to rtc core
  rtc: cmos: Report supported alarm limit to rtc infrastructure
  rtc: cros-ec: Detect and report supported alarm window size
  rtc: Add support for limited alarm timer offsets
  rtc: isl1208: Fix incorrect logic in isl1208_set_xtoscb()
  MAINTAINERS: remove obsolete pattern in RTC SUBSYSTEM section
  rtc: tps65910: Remove redundant dev_warn() and do not check for 0 return after calling platform_get_irq()
  rtc: omap: Do not check for 0 return after calling platform_get_irq()
  ...
2023-09-07 16:07:35 -07:00
Fabio Estevam
ce413486c9 dt-bindings: rtc: ds3231: Remove text binding
The "maxim,ds3231" compatible is described in the rtc-ds1307.yaml, so
there is no need to keep the text bindings version.

Remove the maxim,ds3231.txt file in favor of the rtc-ds1307.yaml binding.

Signed-off-by: Fabio Estevam <festevam@denx.de>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230902134407.2589099-1-festevam@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2023-09-06 01:28:24 +02:00
Nikita Shubin
a5aeccabb5 dt-bindings: rtc: Add ST M48T86
Add YAML bindings for ST M48T86 / Dallas DS12887 RTC.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/lkml/61b9e036-7864-65c6-d43b-463fff896ddc@linaro.org/
Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>
Link: https://lore.kernel.org/r/20230823-m48t86_device_tree-v2-1-21ff275f949d@maquefel.me
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2023-08-28 00:01:51 +02:00
Bjorn Helgaas
47aab53331 dt-bindings: Fix typos
Fix typos in Documentation/devicetree/bindings.  The changes are in
descriptions or comments where they shouldn't affect functionality.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/r/20230814212822.193684-3-helgaas@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
2023-08-18 11:32:25 -05:00
Varshini Rajendran
0197a7cb44 dt-bindings: rtc: at91rm9200: add sam9x7 compatible
Add compatible for SAM9X7 RTC.

Signed-off-by: Varshini Rajendran <varshini.rajendran@microchip.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230728102710.266457-1-varshini.rajendran@microchip.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2023-08-17 01:15:46 +02:00
Rasmus Villemoes
ab246c897b dt-bindings: rtc: isl12022: add #clock-cells property
The isl12022 has a dual-purpose irq/f_out pin, which can either be
used as an interrupt or clock output.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230615105826.411953-8-linux@rasmusvillemoes.dk
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2023-08-16 01:27:01 +02:00
Rasmus Villemoes
69b569c124 dt-bindings: rtc: isl12022: add bindings for battery alarm trip levels
The isl12022 has a built-in support for monitoring the voltage of the
backup battery, and setting bits in the status register when that
voltage drops below two predetermined levels (usually 85% and 75% of
the nominal voltage). However, since it can operate at wide range of
battery voltages (2.5V - 5.5V), one must configure those trip levels
according to which battery is used on a given board.

Add bindings for defining these two trip levels. While the register
and bit names suggest that they should correspond to 85% and 75% of
the nominal battery voltage, the data sheet also says

  There are total of 7 levels that could be selected for the first
  alarm. Any of the of levels could be selected as the first alarm
  with no reference as to nominal Battery voltage level.

Hence this provides the hardware designer the ability to choose values
based on the discharge characteristics of the battery chosen for the
given product, rather than just having one battery-microvolt property
and having the driver choose levels close to 0.85/0.75 times that.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230615105826.411953-4-linux@rasmusvillemoes.dk
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2023-08-16 01:27:01 +02:00
Rasmus Villemoes
ffc005280a dt-bindings: rtc: Move isil,isl12022 from trivial-rtc.yaml into own schema file
Move the isil,isl12022 RTC bindings from trivial-rtc.yaml into its own
intersil,isl12022.yaml file, in preparation for adding more bindings.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Link: https://lore.kernel.org/r/20230615105826.411953-3-linux@rasmusvillemoes.dk
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2023-08-16 01:27:01 +02:00