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path: root/drivers/power/reset
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2020-12-13power: reset: new driver regulator-poweroffMichael Klein
This driver registers a pm_power_off function to turn off the board by force-disabling a devicetree-defined regulator. Signed-off-by: Michael Klein <michael@fossekall.de> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-11-30power: reset: Use printk format symbol resolverHelge Deller
Instead of looking up a symbol name by hand, use the %ps printk format specifier. Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-11-29power: reset: ocelot: Add support 2 other MIPS based SoCsGregory CLEMENT
This adds reset support for Luton and Jaguar2 in the ocelot-reset driver. They are both MIPS based belonging to the Vcore III family. Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-10-15power: reset: POWER_RESET_OCELOT_RESET should depend on Ocelot or Sparx5Geert Uytterhoeven
To add support for Sparx5, the dependency on MSCC_OCELOT was removed. However, this increases exposure of the driver question not only to Sparx5 platforms, but to everyone. Hence re-add the dependency on MSCC_OCELOT, and extend it with ARCH_SPARX5, to prevent asking the user about this driver when configuring a kernel without Ocelot and Sparx5 support. Fixes: ec871696b7776767 ("power: reset: ocelot: Add support for Sparx5") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-10-08power: reset: ocelot: Add support for Sparx5Lars Povlsen
This adds reset support for Sparx5 in the ocelot-reset driver. Signed-off-by: Lars Povlsen <lars.povlsen@microchip.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-07-28power: reset: add driver for LinkStation power offDaniel González Cabanelas
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>
2020-07-26power: reset: keystone-reset: Replace HTTP links with HTTPS onesAlexander A. Klimov
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>
2020-06-10Merge tag 'for-v5.8' of ↵Linus Torvalds
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 ...
2020-06-06power: reset: gpio-poweroff: add missing '\n' in dev_err()Luca Ceresoli
dev_err() needs a terminating newline. Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-06-04Merge tag 'arm-soc-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/socLinus Torvalds
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 ...
2020-05-28power: reset: vexpress: fix build issueAnders Roxell
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: d06cfe3f123c ("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>
2020-05-28power: vexpress: cleanup: use builtin_platform_driverAnders Roxell
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>
2020-05-28power: vexpress: add suppress_bind_attrs to trueAnders Roxell
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>
2020-05-28power: reset: syscon-reboot: Add parental syscon supportSerge Semin
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>
2020-05-21rtc: mt6397: Add support for the MediaTek MT6358 RTCRan Bi
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>
2020-05-10power: reset: ltc2952: remove unused variableHongbo Yao
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>
2020-04-30power: reset: introduce oxnas-restartDaniel Golle
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>
2020-04-28power: reset: qcom-pon: reg write mask depends on pon generationKejia Hu
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: fce5430f6a86 ("reset: qcom-pon: Add support for gen2 pon") Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-04-05Merge tag 'for-v5.7' of ↵Linus Torvalds
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 ...
2020-03-11power: reset: sc27xx: Allow the SC27XX poweroff driver building into a moduleBaolin Wang
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>
2020-03-11power: reset: sc27xx: Change to use cpu_down()Baolin Wang
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>
2020-03-11power: reset: sc27xx: Power off the external subsystems' connectionSherry Zong
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>
2020-03-08power: reset: at91-reset: handle nrst async for sam9x60Claudiu.Beznea@microchip.com
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>
2020-03-08power: reset: at91-reset: get rid of at91_reset_dataClaudiu.Beznea@microchip.com
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>
2020-03-08power: reset: at91-reset: keep only one reset functionClaudiu.Beznea@microchip.com
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>
2020-03-08power: reset: at91-reset: make at91sam9g45_restart() genericClaudiu.Beznea@microchip.com
Make at91sam9g45_restart() generic. Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-03-08power: reset: at91-reset: introduce ramc_lpr to struct at91_resetClaudiu.Beznea@microchip.com
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>
2020-03-08power: reset: at91-reset: use r4 as tmp argumentClaudiu.Beznea@microchip.com
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>
2020-03-08power: reset: at91-reset: introduce args member in at91_reset_dataClaudiu.Beznea@microchip.com
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>
2020-03-08power: reset: at91-reset: introduce struct at91_reset_dataClaudiu.Beznea@microchip.com
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>
2020-03-08power: reset: at91-reset: devm_kzalloc() for at91_reset data structureClaudiu.Beznea@microchip.com
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>
2020-03-08power: reset: at91-reset: pass rstc base address to at91_reset_status()Claudiu.Beznea@microchip.com
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>
2020-03-08power: reset: at91-reset: convert reset in pointer to struct at91_resetClaudiu.Beznea@microchip.com
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>
2020-03-08power: reset: at91-reset: add notifier block to struct at91_resetClaudiu.Beznea@microchip.com
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>
2020-03-08power: reset: at91-reset: add sclk to struct at91_resetClaudiu.Beznea@microchip.com
Add sclk to struct at91_reset. Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-03-08power: reset: at91-reset: add ramc_base[] to struct at91_resetClaudiu.Beznea@microchip.com
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>
2020-03-08power: reset: at91-reset: introduce struct at91_resetClaudiu.Beznea@microchip.com
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>
2020-02-08Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/socLinus Torvalds
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 ...
2020-01-14power: reset: at91-poweroff: use proper master clock register offsetClaudiu Beznea
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>
2020-01-14power: reset: at91-poweroff: introduce struct shdwc_reg_configClaudiu Beznea
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>
2019-12-19power: reset: Fix Kconfig indentationKrzysztof Kozlowski
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>
2019-12-18power: reset: gpio-restart: don't error on deferralChris Packham
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>
2019-12-10drivers: soc: atmel: select POWER_RESET_AT91_SAMA5D2_SHDWC for sam9x60Claudiu Beznea
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>
2019-12-10power: reset: Kconfig: select POWER_RESET_AT91_RESET for sam9x60Claudiu Beznea
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>
2019-12-01Merge tag 'mfd-next-5.5' of ↵Linus Torvalds
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 ...
2019-10-24power: reset: add driver for mt6323 poweroffJosef Friedl
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>
2019-10-20power: reset: at91: fix __le32 cast in reset codeBen Dooks (Codethink)
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>
2019-10-10power: reset: at91-poweroff: lookup for proper PMC DT nodeClaudiu Beznea
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 01e2113de9a5 ("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>
2019-09-02power: reset: reboot-mode: Fix author email formatMatwey V. Kornilov
Closing angle bracket was missing. Signed-off-by: Matwey V. Kornilov <matwey@sai.msu.ru> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2019-09-02power: reset: gpio-restart: Fix typo when gpio reset is not foundMichal Simek
Trivial patch which just corrects error message. Fixes: 371bb20d6927 ("power: Add simple gpio-restart driver") Signed-off-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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