Commit Graph

264 Commits

Author SHA1 Message Date
Daniel González Cabanelas
a7f79f9954 power: reset: add driver for LinkStation power off
Some Buffalo LinkStations perform the power off operation, at restart
time, depending on the state of an output pin (LED2/INTn) at the ethernet
PHY. This pin is also used to wake the machine when a WoL packet is
received by the PHY.

The driver is required by the Buffalo LinkStation LS421DE (ARM MVEBU),
and other models. Without it, the board remains forever halted if a
power off command is executed, unless the PSU is disconnected and
connected again.

Add the driver to provide the power off function and also make the WoL
feature to be available.

Signed-off-by: Daniel González Cabanelas <dgcbueu@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-07-28 01:49:32 +02:00
Alexander A. Klimov
f03a3497fb power: reset: keystone-reset: Replace HTTP links with HTTPS ones
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.

Deterministic algorithm:
For each file:
  If not .svg:
    For each line:
      If doesn't contain `\bxmlns\b`:
        For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
	  If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
            If both the HTTP and HTTPS versions
            return 200 OK and serve the same content:
              Replace HTTP with HTTPS.

Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-07-26 23:46:16 +02:00
Linus Torvalds
3a2a875174 power supply and reset changes for the v5.8 series
kobject:
  * Increase number of allowed uevent variables
 
 power-supply core:
  * Add power-supply type in uevent
  * Cleanup property handling in core
  * Make property and usb_type pointers const
  * Convert core power-supply DT binding to YAML
  * Cleanup HWMON code
  * Add new health status "calibration required"
  * Add new properties for manufacture date and
    capacity error margin
 
 battery drivers:
  * new cw2015 battery driver used by pine64 Pinebook Pro laptop
  * axp22: blacklist on Meegopad T02
  * sc27xx: support current/voltage reading
  * max17042: support time-to-empty reading
  * simple-battery: add more battery parameters
  * bq27xxx: convert DT binding document to YAML
  * sbs-battery: add TI BQ20Z65 support, fix technology property, convert
                 DT binding to YAML, add option to disable charger
 		broadcasts, add new properties: manufacture date,
 		capacity error margin, average current, charge current
 		and voltage and support calibration required health
 		status
  * misc. fixes
 
 charger drivers:
  * bq25890: cleanup, implement charge type, precharge current and input
             current limiting properties
  * bd70528: use new linear range helper library
  * bd99954: new charger driver
  * mp2629: new charger driver
  * misc. fixes
 
 reboot drivers:
  * oxnas-restart: introduce new driver
  * syscon-reboot: convert DT binding to YAML, add parent syscon device support
  * misc. fixes
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Merge tag 'for-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 "This time there are lots of changes. Quite a few changes to the core,
  lots of driver changes and one change to kobject core (with Ack from
  Greg).

  Summary:

  kobject:
   - Increase number of allowed uevent variables

  power-supply core:
   - Add power-supply type in uevent
   - Cleanup property handling in core
   - Make property and usb_type pointers const
   - Convert core power-supply DT binding to YAML
   - Cleanup HWMON code
   - Add new health status "calibration required"
   - Add new properties for manufacture date and capacity error margin

  battery drivers:
   - new cw2015 battery driver used by pine64 Pinebook Pro laptop
   - axp22: blacklist on Meegopad T02
   - sc27xx: support current/voltage reading
   - max17042: support time-to-empty reading
   - simple-battery: add more battery parameters
   - bq27xxx: convert DT binding document to YAML
   - sbs-battery: add TI BQ20Z65 support, fix technology property,
         convert DT binding to YAML, add option to disable charger
         broadcasts, add new properties: manufacture date, capacity
         error margin, average current, charge current and voltage and
         support calibration required health status
   - misc fixes

  charger drivers:
   - bq25890: cleanup, implement charge type, precharge current and
         input current limiting properties
   - bd70528: use new linear range helper library
   - bd99954: new charger driver
   - mp2629: new charger driver
   - misc fixes

  reboot drivers:
   - oxnas-restart: introduce new driver
   - syscon-reboot: convert DT binding to YAML, add parent syscon device
         support
   - misc fixes"

* tag 'for-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (85 commits)
  power: supply: cw2015: Attach OF ID table to the driver
  power: reset: gpio-poweroff: add missing '\n' in dev_err()
  Revert "power: supply: sbs-battery: simplify read_read_string_data"
  Revert "power: supply: sbs-battery: add PEC support"
  dt-bindings: power: sbs-battery: Convert to yaml
  power: supply: sbs-battery: constify power-supply property array
  power: supply: sbs-battery: switch to i2c's probe_new
  power: supply: sbs-battery: switch from of_property_* to device_property_*
  power: supply: sbs-battery: add ability to disable charger broadcasts
  power: supply: sbs-battery: fix idle battery status
  power: supply: sbs-battery: add POWER_SUPPLY_HEALTH_CALIBRATION_REQUIRED support
  power: supply: sbs-battery: add MANUFACTURE_DATE support
  power: supply: sbs-battery: add POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT/VOLTAGE_MAX support
  power: supply: sbs-battery: Improve POWER_SUPPLY_PROP_TECHNOLOGY support
  power: supply: sbs-battery: add POWER_SUPPLY_PROP_CURRENT_AVG support
  power: supply: sbs-battery: add PEC support
  power: supply: sbs-battery: simplify read_read_string_data
  power: supply: sbs-battery: add POWER_SUPPLY_PROP_CAPACITY_ERROR_MARGIN support
  power: supply: sbs-battery: Add TI BQ20Z65 support
  power: supply: core: add POWER_SUPPLY_HEALTH_CALIBRATION_REQUIRED
  ...
2020-06-10 11:28:35 -07:00
Luca Ceresoli
5a1c9565c0 power: reset: gpio-poweroff: add missing '\n' in dev_err()
dev_err() needs a terminating newline.

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-06-06 01:13:26 +02:00
Linus Torvalds
694b5a5d31 ARM: SoC changes for v5.8
One new platform gets added, the Realtek RTD1195, which is an older
 Cortex-a7 based relative of the RTD12xx chips that are already supported
 in arch/arm64. The platform may also be extended to support running
 32-bit kernels on those 64-bit chips for memory-constrained machines.
 
 In the Renesas shmobile platform, we gain support for "RZ/G1H" or R8A7742,
 an eight-core chip based on Cortex-A15 and Cortex-A7 cores, originally
 released in 2016 as one of the last high-end 32-bit designs.
 
 There is ongoing cleanup for the integrator, tegra, imx, and omap2
 platforms, with integrator getting very close to the goal of having
 zero code in arch/arm/, and omap2 moving more of the chip specifics
 from old board code into device tree files.
 
 The Versatile Express platform is made more modular, with built-in
 drivers now becoming loadable modules. This is part of a greater effort
 for the Android OS to have a common kernel binary for all platforms and
 any platform specific code in loadable modules.
 
 The PXA platform drops support for Compulab's pxa2xx boards that had
 rather unusual flash and PCI drivers but no known users remaining.
 All device drivers specific to those boards can now get removed as
 well.
 
 Across platforms, there is ongoing cleanup, with Geert and Rob
 revisiting some a lot of Kconfig options.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC updates from Arnd Bergmann:
 "One new platform gets added, the Realtek RTD1195, which is an older
  Cortex-a7 based relative of the RTD12xx chips that are already
  supported in arch/arm64. The platform may also be extended to support
  running 32-bit kernels on those 64-bit chips for memory-constrained
  machines.

  In the Renesas shmobile platform, we gain support for "RZ/G1H" or
  R8A7742, an eight-core chip based on Cortex-A15 and Cortex-A7 cores,
  originally released in 2016 as one of the last high-end 32-bit
  designs.

  There is ongoing cleanup for the integrator, tegra, imx, and omap2
  platforms, with integrator getting very close to the goal of having
  zero code in arch/arm/, and omap2 moving more of the chip specifics
  from old board code into device tree files.

  The Versatile Express platform is made more modular, with built-in
  drivers now becoming loadable modules. This is part of a greater
  effort for the Android OS to have a common kernel binary for all
  platforms and any platform specific code in loadable modules.

  The PXA platform drops support for Compulab's pxa2xx boards that had
  rather unusual flash and PCI drivers but no known users remaining. All
  device drivers specific to those boards can now get removed as well.

  Across platforms, there is ongoing cleanup, with Geert and Rob
  revisiting some a lot of Kconfig options"

* tag 'arm-soc-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (94 commits)
  ARM: omap2: fix omap5_realtime_timer_init definition
  ARM: zynq: Don't select CONFIG_ICST
  ARM: OMAP2+: Fix regression for using local timer on non-SMP SoCs
  clk: versatile: Fix kconfig dependency on COMMON_CLK_VERSATILE
  ARM: davinci: fix build failure without I2C
  power: reset: vexpress: fix build issue
  power: vexpress: cleanup: use builtin_platform_driver
  power: vexpress: add suppress_bind_attrs to true
  Revert "ARM: vexpress: Don't select VEXPRESS_CONFIG"
  MAINTAINERS: pxa: remove Compulab arm/pxa support
  ARM: pxa: remove Compulab pxa2xx boards
  bus: arm-integrator-lm: Fix return value check in integrator_ap_lm_probe()
  soc: imx: move cpu code to drivers/soc/imx
  ARM: imx: move cpu definitions into a header
  ARM: imx: use device_initcall for imx_soc_device_init
  ARM: imx: pcm037: make pcm970_sja1000_platform_data static
  bus: ti-sysc: Timers no longer need legacy quirk handling
  ARM: OMAP2+: Drop old timer code for dmtimer and 32k counter
  ARM: dts: Configure system timers for omap2
  ARM: dts: Configure system timers for ti81xx
  ...
2020-06-04 19:47:11 -07:00
Anders Roxell
d0c7dc1739 power: reset: vexpress: fix build issue
An allmodconfig kernel makes CONFIG_VEXPRESS_CONFIG a module and
CONFIG_POWER_RESET_VEXPRESS builtin. That makes us see this build
error:

aarch64-linux-gnu-ld: drivers/power/reset/vexpress-poweroff.o: in function `vexpress_reset_probe':
../drivers/power/reset/vexpress-poweroff.c:119: undefined reference to `devm_regmap_init_vexpress_config'
../drivers/power/reset/vexpress-poweroff.c:119:(.text+0x48c): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol
`devm_regmap_init_vexpress_config'
make[1]: *** [/srv/src/kernel/next/Makefile:1126: vmlinux] Error 1

Rework so that POWER_RESET_VEXPRESS depends on 'VEXPRESS_CONFIG=y'.

Link: https://lore.kernel.org/r/20200527112608.3886105-5-anders.roxell@linaro.org
Fixes: d06cfe3f12 ("bus: vexpress-config: Merge vexpress-syscfg into vexpress-config")
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-05-28 12:31:49 +02:00
Anders Roxell
a90d990452 power: vexpress: cleanup: use builtin_platform_driver
Use the helper macro for builtin drivers taht don't do anything special
in driver init. This removes some boilerplate code.

Link: https://lore.kernel.org/r/20200527112608.3886105-3-anders.roxell@linaro.org
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-05-28 12:31:30 +02:00
Anders Roxell
73174acc9c power: vexpress: add suppress_bind_attrs to true
Make sure that the POWER_RESET_VEXPRESS driver won't have bind/unbind
attributes available via the sysfs, so lets be explicit here and use
".suppress_bind_attrs = true" to prevent userspace from doing something
silly.

Link: https://lore.kernel.org/r/20200527112608.3886105-2-anders.roxell@linaro.org
Cc: stable@vger.kernel.org
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-05-28 12:30:47 +02:00
Serge Semin
c3d8052223 power: reset: syscon-reboot: Add parental syscon support
Since normally syscon-reboot block is supposed to be a part of a system
controller, lets look for the syscon regmap in a parental DT node if
regmap property isn't specified. DT binding from now considers the regmap
property as deprecated.

Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-28 09:00:30 +02:00
Ran Bi
29ee40091e rtc: mt6397: Add support for the MediaTek MT6358 RTC
This add support for the MediaTek MT6358 RTC. Driver using
compatible data to store different RTC_WRTGR address offset.
This replace RTC_WRTGR to RTC_WRTGR_MT6323 in mt6323-poweroff
driver which only needed by armv7 CPU without ATF.

Signed-off-by: Ran Bi <ran.bi@mediatek.com>
Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Sebastian Reichel <sre@kernel.org>
Reviewed-by: Yingjoe Chen <yingjoe.chen@mediatek.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2020-05-21 08:55:48 +01:00
Hongbo Yao
1072ceada4 power: reset: ltc2952: remove unused variable
Fix gcc '-Wunused-but-set-variable' warning:
drivers/power/reset/ltc2952-poweroff.c:97:16: warning: variable
‘overruns’ set but not used [-Wunused-but-set-variable]
  unsigned long overruns;

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Hongbo Yao <yaohongbo@huawei.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-05-10 01:20:41 +02:00
Daniel Golle
0edb259c98 power: reset: introduce oxnas-restart
Add reboot handler for Oxford OX820 chips as reboot currenly hangs on
those boards. Code is based on ox820_assert_system_reset() found in
https://github.com/kref/linux-oxnas.git in
arch/arm/mach-oxnas/mach-ox820.c line 181.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-04-30 23:24:33 +02:00
Kejia Hu
fc5be29f9b power: reset: qcom-pon: reg write mask depends on pon generation
Instead of hardcode the mask, it should be depends
on which generation of pon it was.

Signed-off-by: Kejia Hu <kejia.hu@codethink.co.uk>
Fixes: fce5430f6a ("reset: qcom-pon: Add support for gen2 pon")
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-04-28 21:16:45 +02:00
Linus Torvalds
a10c9c710f power supply and reset changes for the v5.7 series
Core:
  * Nothing
 
 Drivers:
  * at91-reset: cleanups, proper handling for sam9x60
  * sc27xx, charger-manager: allow building as module
  * sc27xx: add support to read current charge capacity
  * axp288: more quirks for weird hardware
  * misc. fixes
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Merge tag 'for-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset changes from Sebastian Reichel:
 "Core:
   - Nothing

  Drivers:
   - at91-reset: cleanups, proper handling for sam9x60
   - sc27xx, charger-manager: allow building as module
   - sc27xx: add support to read current charge capacity
   - axp288: more quirks for weird hardware
   - misc fixes"

* tag 'for-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (26 commits)
  power: reset: sc27xx: Allow the SC27XX poweroff driver building into a module
  power: reset: sc27xx: Change to use cpu_down()
  power: reset: sc27xx: Power off the external subsystems' connection
  power: twl4030: Use scnprintf() for avoiding potential buffer overflow
  power: supply: bq27xxx_battery: Silence deferred-probe error
  power: reset: at91-reset: handle nrst async for sam9x60
  power: reset: at91-reset: get rid of at91_reset_data
  power: reset: at91-reset: keep only one reset function
  power: reset: at91-reset: make at91sam9g45_restart() generic
  power: reset: at91-reset: introduce ramc_lpr to struct at91_reset
  power: reset: at91-reset: use r4 as tmp argument
  power: reset: at91-reset: introduce args member in at91_reset_data
  power: reset: at91-reset: introduce struct at91_reset_data
  power: reset: at91-reset: devm_kzalloc() for at91_reset data structure
  power: reset: at91-reset: pass rstc base address to at91_reset_status()
  power: reset: at91-reset: convert reset in pointer to struct at91_reset
  power: reset: at91-reset: add notifier block to struct at91_reset
  power: reset: at91-reset: add sclk to struct at91_reset
  power: reset: at91-reset: add ramc_base[] to struct at91_reset
  power: reset: at91-reset: introduce struct at91_reset
  ...
2020-04-05 13:47:57 -07:00
Baolin Wang
f78c55e3b4 power: reset: sc27xx: Allow the SC27XX poweroff driver building into a module
Change the config to 'tristate' and use module_platform_driver() to
allow the SC27XX poweroff driver building into a module, as well as
adding some mudule information.

Signed-off-by: Baolin Wang <baolin.wang7@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-03-11 23:32:09 +01:00
Baolin Wang
274afbc3ad power: reset: sc27xx: Change to use cpu_down()
To allow the SC27XX driver can be built as a module, and the
freeze_secondary_cpus() symbol is not exported, thus we can change
to use the exported cpu_down() API to shut down other cpus to avoid
racing, which is same as the freeze_secondary_cpus().

Signed-off-by: Baolin Wang <baolin.wang7@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-03-11 23:32:09 +01:00
Sherry Zong
6cdd5b09cb power: reset: sc27xx: Power off the external subsystems' connection
When powering off the whole system, we should power off some external
subsystems' connection firstly, otherwise some external subsystems
will hold some power and result in powering down abnormally.

Signed-off-by: Sherry Zong <sherry.zong@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang7@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-03-11 23:32:09 +01:00
Claudiu.Beznea@microchip.com
e48bbb52a2 power: reset: at91-reset: handle nrst async for sam9x60
Handle NRST asynchronously for SAM9X60 to avoid problem with fast drop of
VDDCORE on shutdown operations in the first 100 us after CPU is shutdown.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-03-08 19:38:04 +01:00
Claudiu.Beznea@microchip.com
766b0162e6 power: reset: at91-reset: get rid of at91_reset_data
After refactoring struct at91_reset_data and
struct at91_reset_data at91sam9260_reset_data are not needed anymore.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-03-08 19:38:04 +01:00
Claudiu.Beznea@microchip.com
51aa7d45f9 power: reset: at91-reset: keep only one reset function
Keep only one reset function. With this, notifier_call member of
struct at91_reset_data could be removed.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-03-08 19:38:04 +01:00
Claudiu.Beznea@microchip.com
fcd0532fac power: reset: at91-reset: make at91sam9g45_restart() generic
Make at91sam9g45_restart() generic.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-03-08 19:38:04 +01:00
Claudiu.Beznea@microchip.com
68a84a3e68 power: reset: at91-reset: introduce ramc_lpr to struct at91_reset
Introduce ramc_lpr to struct at91_reset. This will lead to the
unification of at91sam9260_restart() and at91sam9g45_restart().

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-03-08 19:38:04 +01:00
Claudiu.Beznea@microchip.com
7cb290d3dd power: reset: at91-reset: use r4 as tmp argument
Use r4 as temporary register. On ARM r0-r3 should be used to hold
function arguments.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-03-08 19:38:04 +01:00
Claudiu.Beznea@microchip.com
25b80b7d5a power: reset: at91-reset: introduce args member in at91_reset_data
Introduce args member in struct at91_reset_data. It stores the value
that needs to be written in mode register so that the reboot actions
to happen. With these changes samx7_restart() could be removed.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-03-08 19:38:04 +01:00
Claudiu.Beznea@microchip.com
a5bbad258a power: reset: at91-reset: introduce struct at91_reset_data
Introduce struct at91_reset_data to be able to provide per SoC
data. At the moment this being only notifier callback.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-03-08 19:38:04 +01:00
Claudiu.Beznea@microchip.com
583ef884c8 power: reset: at91-reset: devm_kzalloc() for at91_reset data structure
Allocate at91_reset data on probe and set it as platform data.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-03-08 19:37:35 +01:00
Claudiu.Beznea@microchip.com
55f8e6fdef power: reset: at91-reset: pass rstc base address to at91_reset_status()
Add new argument to at91_reset_status() that is the pointer to reset
controller base address.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-03-08 19:37:35 +01:00
Claudiu.Beznea@microchip.com
b7967b7919 power: reset: at91-reset: convert reset in pointer to struct at91_reset
Convert reset in pointer to struct at91_reset.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-03-08 19:37:35 +01:00
Claudiu.Beznea@microchip.com
1e3c4af9de power: reset: at91-reset: add notifier block to struct at91_reset
Add struct notifier_block to struct at91_reset.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-03-08 19:37:15 +01:00
Claudiu.Beznea@microchip.com
f9e6ce74cb power: reset: at91-reset: add sclk to struct at91_reset
Add sclk to struct at91_reset.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-03-08 19:37:15 +01:00
Claudiu.Beznea@microchip.com
4d9ce0f56a power: reset: at91-reset: add ramc_base[] to struct at91_reset
Add ramc_base[] to struct at91_reset.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-03-08 19:37:15 +01:00
Claudiu.Beznea@microchip.com
b2a16610f2 power: reset: at91-reset: introduce struct at91_reset
Introduce struct at91_reset intended to keep all the at91 reset controller
data.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-03-08 19:37:15 +01:00
Linus Torvalds
469030d454 ARM: SoC platform updates
Most of these are smaller fixes that have accrued, and some continued
 cleanup of OMAP platforms towards shared frameworks.
 
 One new SoC from Atmel/Microchip: sam9x60.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC platform updates from Olof Johansson:
 "Most of these are smaller fixes that have accrued, and some continued
  cleanup of OMAP platforms towards shared frameworks.

  One new SoC from Atmel/Microchip: sam9x60"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (35 commits)
  ARM: OMAP2+: Fix undefined reference to omap_secure_init
  ARM: s3c64xx: Drop unneeded select of TIMER_OF
  ARM: exynos: Drop unneeded select of MIGHT_HAVE_CACHE_L2X0
  ARM: s3c24xx: Switch to atomic pwm API in rx1950
  ARM: OMAP2+: sleep43xx: Call secure suspend/resume handlers
  ARM: OMAP2+: Use ARM SMC Calling Convention when OP-TEE is available
  ARM: OMAP2+: Introduce check for OP-TEE in omap_secure_init()
  ARM: OMAP2+: Add omap_secure_init callback hook for secure initialization
  ARM: at91: Documentation: add sam9x60 product and datasheet
  ARM: at91: pm: use of_device_id array to find the proper shdwc node
  ARM: at91: pm: use SAM9X60 PMC's compatible
  ARM: imx: only select ARM_ERRATA_814220 for ARMv7-A
  ARM: zynq: use physical cpuid in zynq_slcr_cpu_stop/start
  ARM: tegra: Use clk_m CPU on Tegra124 LP1 resume
  ARM: tegra: Modify reshift divider during LP1
  ARM: tegra: Enable PLLP bypass during Tegra124 LP1
  ARM: samsung: Rename Samsung and Exynos to lowercase
  ARM: exynos: Correct the help text for platform Kconfig option
  ARM: bcm: Select ARM_AMBA for ARCH_BRCMSTB
  ARM: brcmstb: Add debug UART entry for 7216
  ...
2020-02-08 13:55:25 -08:00
Claudiu Beznea
d39284f21d power: reset: at91-poweroff: use proper master clock register offset
SAM9X60's PMC uses different offset for master clock register.
Add a member of type struct pmc_reg_config in struct reg_config,
fill it correspondingly for SAMA5D2 and SAM9X60 and use it in
poweroff() function.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-01-14 23:39:18 +01:00
Claudiu Beznea
a4f06df13d power: reset: at91-poweroff: introduce struct shdwc_reg_config
This driver uses AT91_PMC_MCKR in poweroff() function. But the
SAM9X60's PMC versions maps AT91_PMC_MCKR functionality at different
offset compared to the SAMA5D2's one. This patch prepares the field
so that different AT91_PMC_MCKR's offsets to be introduced in
struct reg_config so that proper offset to be used for AT91_PMC_MCKR
based on compatible string.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-01-14 23:38:28 +01:00
Krzysztof Kozlowski
463881ac40 power: reset: Fix Kconfig indentation
Adjust indentation from spaces to tab (+optional two spaces) as in
coding style with command like:
	$ sed -e 's/^        /\t/' -i */Kconfig

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2019-12-19 02:03:50 +01:00
Chris Packham
b0d0d3de24 power: reset: gpio-restart: don't error on deferral
Don't generate an error message when devm_gpiod_get fails with
-EPROBE_DEFER.

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2019-12-18 16:10:08 +01:00
Claudiu Beznea
1b6e21f283 drivers: soc: atmel: select POWER_RESET_AT91_SAMA5D2_SHDWC for sam9x60
Select POWER_RESET_AT91_SAMA5D2_SHDWC for SAM9X60 SoC.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/1575035505-6310-7-git-send-email-claudiu.beznea@microchip.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-10 00:45:30 +01:00
Claudiu Beznea
a79fa0c12c power: reset: Kconfig: select POWER_RESET_AT91_RESET for sam9x60
Select POWER_RESET_AT91_RESET for SAM9X60 SoC.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/1575035505-6310-6-git-send-email-claudiu.beznea@microchip.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-10 00:45:06 +01:00
Linus Torvalds
37323918ca - Core Frameworks
- Add support for a "resource managed strongly uncachable ioremap" call
    - Provide a collection of MFD helper macros
    - Remove mfd_clone_cell() from MFD core
    - Add NULL de-reference protection in MFD core
    - Remove superfluous function fd_platform_add_cell() from MFD core
    - Honour Device Tree's request to disable a device
 
  - New Drivers
    - Add support for MediaTek MT6323 PMIC
 
  - New Device Support
    - Add support for Gemini Lake to Intel LPSS PCI
    - Add support for Cherry Trail Crystal Cover PMIC to Intel SoC PMIC CRC
    - Add support for PM{I}8950 to Qualcomm SPMI PMIC
    - Add support for U8420 to ST-Ericsson DB8500
    - Add support for Comet Lake PCH-H to Intel LPSS PCI
 
  - New Functionality
    - Add support for requested supply clocks; madera-core
 
  - Fix-ups
    - Lower interrupt priority; rk808
    - Use provided helpers (macros, group functions, defines); rk808,
 		ipaq-micro, ab8500-core, db8500-prcmu, mt6397-core, cs5535-mfd
    - Only allocate IRQs on request; max77620
    - Use simplified API; arizona-core
    - Remove redundant and/or duplicated code; wm8998-tables, arizona, syscon
    - Device Tree binding fix-ups; madera, max77650, max77693
    - Remove mfd_cell->id abuse hack; cs5535-mfd
    - Remove only user of mfd_clone_cell(); cs5535-mfd
    - Make resources static; rohm-bd70528
 
  - Bug Fixes
    - Fix product ID for RK818; rk808
    - Fix Power Key; rk808
    - Fix booting on the BananaPi; mt6397-core
    - Endian fix-ups; twl.h
    - Fix static error checker warnings; ti_am335x_tscadc
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Merge tag 'mfd-next-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Core Frameworks:
   - Add support for a "resource managed strongly uncachable ioremap"
     call
   - Provide a collection of MFD helper macros
   - Remove mfd_clone_cell() from MFD core
   - Add NULL de-reference protection in MFD core
   - Remove superfluous function fd_platform_add_cell() from MFD core
   - Honour Device Tree's request to disable a device

  New Drivers:
   - Add support for MediaTek MT6323 PMIC

  New Device Support:
   - Add support for Gemini Lake to Intel LPSS PCI
   - Add support for Cherry Trail Crystal Cover PMIC to Intel SoC PMIC
     CRC
   - Add support for PM{I}8950 to Qualcomm SPMI PMIC
   - Add support for U8420 to ST-Ericsson DB8500
   - Add support for Comet Lake PCH-H to Intel LPSS PCI

  New Functionality:
   - Add support for requested supply clocks; madera-core

  Fix-ups:
   - Lower interrupt priority; rk808
   - Use provided helpers (macros, group functions, defines); rk808,
     ipaq-micro, ab8500-core, db8500-prcmu, mt6397-core, cs5535-mfd
   - Only allocate IRQs on request; max77620
   - Use simplified API; arizona-core
   - Remove redundant and/or duplicated code; wm8998-tables, arizona,
     syscon
   - Device Tree binding fix-ups; madera, max77650, max77693
   - Remove mfd_cell->id abuse hack; cs5535-mfd
   - Remove only user of mfd_clone_cell(); cs5535-mfd
   - Make resources static; rohm-bd70528

  Bug Fixes:
   - Fix product ID for RK818; rk808
   - Fix Power Key; rk808
   - Fix booting on the BananaPi; mt6397-core
   - Endian fix-ups; twl.h
   - Fix static error checker warnings; ti_am335x_tscadc"

* tag 'mfd-next-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (47 commits)
  Revert "mfd: syscon: Set name of regmap_config"
  mfd: ti_am335x_tscadc: Fix static checker warning
  mfd: bd70528: Staticize bit value definitions
  mfd: mfd-core: Honour Device Tree's request to disable a child-device
  dt-bindings: mfd: max77693: Fix missing curly brace
  mfd: intel-lpss: Add Intel Comet Lake PCH-H PCI IDs
  mfd: db8500-prcmu: Support U8420-sysclk firmware
  dt-bindings: mfd: max77650: Convert the binding document to yaml
  mfd: mfd-core: Move pdev->mfd_cell creation back into mfd_add_device()
  mfd: mfd-core: Remove usage counting for .{en,dis}able() call-backs
  x86: olpc-xo1-sci: Remove invocation of MFD's .enable()/.disable() call-backs
  x86: olpc-xo1-pm: Remove invocation of MFD's .enable()/.disable() call-backs
  mfd: mfd-core: Remove mfd_clone_cell()
  mfd: mfd-core: Protect against NULL call-back function pointer
  mfd: cs5535-mfd: Register clients using their own dedicated MFD cell entries
  mfd: cs5535-mfd: Request shared IO regions centrally
  mfd: cs5535-mfd: Remove mfd_cell->id hack
  mfd: cs5535-mfd: Use PLATFORM_DEVID_* defines and tidy error message
  mfd: intel_soc_pmic_crc: Add "cht_crystal_cove_pmic" cell to CHT cells
  mfd: madera: Add support for requesting the supply clocks
  ...
2019-12-01 16:16:31 -08:00
Josef Friedl
d28c74c107 power: reset: add driver for mt6323 poweroff
add poweroff driver for mt6323 and make Makefile and Kconfig-Entries

Suggested-by: Frank Wunderlich <frank-w@public-files.de>
Signed-off-by: Josef Friedl <josef.friedl@speed.at>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-10-24 09:03:56 +01:00
Ben Dooks (Codethink)
c045006420 power: reset: at91: fix __le32 cast in reset code
The writel() takes standard integers, not __le32 so
fix the following sparse warnings by removing the
cpu_to_le32() calls.

drivers/power/reset/at91-reset.c:134:9: warning: cast from restricted __le32
drivers/power/reset/at91-reset.c:143:9: warning: cast from restricted __le32

This has made no code changes, the md5sums pre and post applying
this patch are the same. The at91 should be natively little endian
anyway.

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2019-10-20 15:04:13 +02:00
Claudiu Beznea
b0ac8596ed power: reset: at91-poweroff: lookup for proper PMC DT node
Driver has been enabled also for SAM9X60. At the moment the patch which did
this has been sent to mainline the PMC for SAM9X60 wasn't integrated.
SAM9X60 has a new PMC compatible (see commit 01e2113de9
("clk: at91: add sam9x60 pmc driver")). Do to this we have to
look for proper PMC compatible here, in SHDWC driver.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2019-10-10 18:42:56 +02:00
Matwey V. Kornilov
59857e9ead power: reset: reboot-mode: Fix author email format
Closing angle bracket was missing.

Signed-off-by: Matwey V. Kornilov <matwey@sai.msu.ru>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2019-09-02 21:05:59 +02:00
Michal Simek
0e063317d5 power: reset: gpio-restart: Fix typo when gpio reset is not found
Trivial patch which just corrects error message.

Fixes: 371bb20d69 ("power: Add simple gpio-restart driver")
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2019-09-02 20:32:23 +02:00
Linus Torvalds
5fe7b600a1 power supply and reset changes for the v5.3 series
Core:
  * Add HWMON compat layer
  * New properties
   - input power limit
   - input voltage limit
 
 Drivers:
  * qcom-pon: add gen2 support
  * New driver for storing reboot move in NVMEM
  * New driver for Wilco EC charger configuration
  * simplify getting the adapter of a client
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Merge tag 'for-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 "Core:
   - add HWMON compat layer
   - new properties:
       - input power limit
       - input voltage limit

  Drivers:
   - qcom-pon: add gen2 support
   - new driver for storing reboot move in NVMEM
   - new driver for Wilco EC charger configuration
   - simplify getting the adapter of a client"

* tag 'for-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
  power: reset: nvmem-reboot-mode: add CONFIG_OF dependency
  power_supply: wilco_ec: Add charging config driver
  power: supply: cros: allow to set input voltage and current limit
  power: supply: add input power and voltage limit properties
  power: supply: fix semicolon.cocci warnings
  power: reset: nvmem-reboot-mode: use NVMEM as reboot mode write interface
  dt-bindings: power: reset: add document for NVMEM based reboot-mode
  reset: qcom-pon: Add support for gen2 pon
  dt-bindings: power: reset: qcom: Add qcom,pm8998-pon compatibility line
  power: supply: Add HWMON compatibility layer
  power: supply: sbs-manager: simplify getting the adapter of a client
  power: supply: rt9455_charger: simplify getting the adapter of a client
  power: supply: rt5033_battery: simplify getting the adapter of a client
  power: supply: max17042_battery: simplify getting the adapter of a client
  power: supply: max17040_battery: simplify getting the adapter of a client
  power: supply: max14656_charger_detector: simplify getting the adapter of a client
  power: supply: bq25890_charger: simplify getting the adapter of a client
  power: supply: bq24257_charger: simplify getting the adapter of a client
  power: supply: bq24190_charger: simplify getting the adapter of a client
2019-07-15 21:06:15 -07:00
Arnd Bergmann
caa2b55784 power: reset: nvmem-reboot-mode: add CONFIG_OF dependency
Without CONFIG_OF, we get a build failure in the reboot-mode
implementation:

drivers/power/reset/reboot-mode.c: In function 'reboot_mode_register':
drivers/power/reset/reboot-mode.c:72:2: error: implicit declaration of function 'for_each_property_of_node'; did you mean 'for_each_child_of_node'? [-Werror=implicit-function-declaration]
  for_each_property_of_node(np, prop) {

Add a Kconfig dependency like we have for the other users of
CONFIG_REBOOT_MODE.

Fixes: 7a78a7f769 ("power: reset: nvmem-reboot-mode: use NVMEM as reboot mode write interface")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2019-07-09 00:28:49 +02:00
Han Nandor
7a78a7f769 power: reset: nvmem-reboot-mode: use NVMEM as reboot mode write interface
Add a new reboot mode write interface that is using an NVMEM cell
to store the reboot mode magic.

Signed-off-by: Nandor Han <nandor.han@vaisala.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2019-06-25 23:58:40 +02:00
John Stultz
fce5430f6a reset: qcom-pon: Add support for gen2 pon
Add support for gen2 pon register so "reboot bootloader" can
work on pixel3 and db845.

Cc: Andy Gross <agross@kernel.org>
Cc: David Brown <david.brown@linaro.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Amit Pundir <amit.pundir@linaro.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: linux-arm-msm@vger.kernel.org
Cc: devicetree@vger.kernel.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>

v2:
* Split out dts changes into separate path
* Minor cleanups and remove unused variables

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2019-06-24 23:26:32 +02:00
Thomas Gleixner
d2912cb15b treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
Based on 2 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation #

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 4122 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19 17:09:55 +02:00