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path: root/drivers/timer
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2026-03-04treewide: Remove Timesys from ADI ADSP maintenancePhilip Molloy
After years of developing the ADI ADSP platform, Timesys was purchased by another company and is no longer contracted to maintain the platform. Signed-off-by: Philip Molloy <philip.molloy@analog.com> Reviewed-by: Greg Malysa <malysagreg@gmail.com>
2026-02-02timer: Add Goldfish timer driverKuan-Wei Chiu
Add support for the Goldfish timer driver. This driver utilizes the Goldfish RTC hardware to provide a nanosecond-resolution timer. This virtual device is commonly found in QEMU virtual machines (such as the m68k virt machine) and Android emulators. The driver implements the standard U-Boot timer UCLASS interface, exposing a 64-bit monotonically increasing counter with a 1GHz clock rate derived from the RTC registers. Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com> Tested-by: Daniel Palmer <daniel@0x0f.com> Reviewed-by: Yao Zi <me@ziyao.cc> Reviewed-by: Simon Glass <simon.glass@canonical.com> Reviewed-by: Angelo Dureghello <angelo@kernel-space.org>
2025-12-05powerpc: remove unused legacy LED APIQuentin Schulz
No PPC upstream defconfig actually enables CONFIG_LED_STATUS and we're trying to get rid of the legacy LED API, so let's remove one of its last users. Signed-off-by: Quentin Schulz <quentin.schulz@cherry.de>
2025-12-04Merge patch series "clk: Fix some error detection"Tom Rini
Andrew Goodbody <andrew.goodbody@linaro.org> says: The function clk_get_rate() returns a ulong with 0 meaning an invalid clock rate and also negative error codes being returned for other errors. But being an unsigned return value this cannot simply be tested for with a < 0 test. Instead use the IS_ERR_VALUE() macro to check for negative errors appearing as very large positive values. Fix those places that test for <= 0. Also fix some places checking the return of clk_register() that incorrectly used ERR_PTR(). Link: https://lore.kernel.org/r/20251021-clk_funcs-v1-0-acf51a40eea7@linaro.org
2025-12-04timer: imx-gpt: Fix error detectionAndrew Goodbody
Testing an unisgned ivariable to be <= 0 will only detect the case when it is 0. So correct this error test to a working version that will behave as expected. Signed-off-by: Andrew Goodbody <andrew.goodbody@linaro.org>
2025-11-04Merge branch 'staging' of https://source.denx.de/u-boot/custodians/u-boot-tegraTom Rini
2025-10-28timer: sifive_clint: Add GHRTv2 compaible stringJimmy Ho
The current sifive_clint driver can fully support GHRTv2 clint. Add the compatible of GHRTv2 clint, sifive,clint2, to sifive_clint_ids list. Signed-off-by: Vincent Chen <vincent.chen@sifive.com> Signed-off-by: Wayling Chen <wayling.chen@sifive.com> Signed-off-by: Max Hsu <max.hsu@sifive.com> Signed-off-by: Jimmy Ho <jimmy.ho@sifive.com>
2025-10-28timer: tegra: Bind watchdog to timer nodeLukasz Majewski
Bind watchdog driver to the Tegra timer node since it uses one of the timers to act as a watchdog and has no dedicated hardware block. Signed-off-by: Lukasz Majewski <lukma@nabladev.com> Reviewed-by: Svyatoslav Ryhel <clamor95@gmail.com> Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
2025-10-10timer: Tighten dependencies on MCHP_PIT64B_TIMERTom Rini
The MCHP_PIT64B_TIMER driver is not safe to compile on 64bit platforms such as allyesconfig on a 64bit host. Tighten the dependencies here to the platforms which use it today. Acked-by: Eugen Hristev <eugen.hristev@linaro.org> Signed-off-by: Tom Rini <trini@konsulko.com>
2025-10-08timer: Tighten CADENCE_TTC_TIMER dependenciesTom Rini
This driver implements timer_get_boot_us() which is global namespace and can conflict with other implementations of the function for example in "allyesconfig". Start by limiting this driver to platforms which use it. Signed-off-by: Tom Rini <trini@konsulko.com>
2025-08-15timer: Tighten some timer driver dependenciesTom Rini
A few timer drivers cannot build without access to some platform specific header files. Express those requirements in Kconfig as well. Signed-off-by: Tom Rini <trini@konsulko.com>
2025-08-15timer: fttmr010_timer: Remove unused driverTom Rini
This driver is unused. Remove it. Signed-off-by: Tom Rini <trini@konsulko.com>
2025-04-11Kbuild: Always use $(PHASE_)Tom Rini
It is confusing to have both "$(PHASE_)" and "$(XPL_)" be used in our Makefiles as part of the macros to determine when to do something in our Makefiles based on what phase of the build we are in. For consistency, bring this down to a single macro and use "$(PHASE_)" only. Signed-off-by: Tom Rini <trini@konsulko.com>
2025-02-11test: Keep track of suite durationSimon Glass
Show the time taken by each test suite with 'ut all' and the total time for all suites. Take care to remove any sandbox time-offset from the values. Fix the comment-format on timer_test_add_offset() while we are here. Signed-off-by: Simon Glass <sjg@chromium.org>
2024-12-30powerpc: mpc83xx: Fix timer value calculationJ. Neuschäfer
TBU and TBL are specified as two 32-bit registers that form a 64-bit value, but the calculation only shifted TBU by 16 bits. Fix this by actually shifting 32 bits. Reviewed-by: Sinan Akman <sinan@writeme.com> Signed-off-by: J. Neuschäfer <j.ne@posteo.net>
2024-10-18x86: Sync up tsc_timer with LinuxSimon Glass
Since we are using the code from Linux, update it to the newer version in v6.11 Signed-off-by: Simon Glass <sjg@chromium.org>
2024-10-18x86: Avoid timer-clock overflowSimon Glass
When the clock speed is above about 4GHz, e.g. on modern PC hardware, the timer overflows, resulting in a much lower frequency than expected. Deal with this by capping the clock speed. It would be possible to move to a 64-bit value for the clock, but that is a pain to deal with. A better approach might be to express the clock in MHz but that is left for later consideration. Signed-off-by: Simon Glass <sjg@chromium.org>
2024-10-18x86: Ensure the CPU identity exists for timer initSimon Glass
When bootstage is used the timer can be inited before the CPU identity is set up, resulting in the checks for the vendor not working. Add a special call to work around this. Signed-off-by: Simon Glass <sjg@chromium.org>
2024-10-11global: Rename SPL_ to XPL_Simon Glass
Use XPL_ as the symbol to indicate an SPL build. This means that SPL_ is no-longer set. Signed-off-by: Simon Glass <sjg@chromium.org>
2024-09-11timer: Add AST2700 IBEX timer supportChia-Wei Wang
Add the driver for the AST2700 Ibex timer, which uses CPU cycles as the timer count running at 200MHz. Signed-off-by: Chia-Wei Wang <chiawei_wang@aspeedtech.com> Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
2024-08-27timer: npcm: Change counter sourceJim Liu
The counter value read from TDR register may not be correct. Read SECCNT and CNTR25M instead to get the correct timestamp. Signed-off-by: Jim Liu <JJLIU0@nuvoton.com>
2024-07-22drivers: timer: Remove duplicate newlinesMarek Vasut
Drop all duplicate newlines. No functional change. Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
2024-07-18timer: mtk: skip setting parent with dummy fixed-clockChristian Marangi
Skip setting parent with dummy fixed-clock. Upstream linux might declare an additional clock for the mtk timer and that additional clock might also be a fixed-clock defined in DT. Setting parent of a dummy fixed-clock resulta in error hence mtk timer fails to probe. Skip setting parent to permit correct probe of the mtk timer. Fixes: d3c3606c5cc6 ("timer: MediaTek: add timer driver for MediaTek SoCs") Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
2024-05-20Restore patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"Tom Rini
As part of bringing the master branch back in to next, we need to allow for all of these changes to exist here. Reported-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Tom Rini <trini@konsulko.com>
2024-05-19Revert "Merge patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet""Tom Rini
When bringing in the series 'arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"' I failed to notice that b4 noticed it was based on next and so took that as the base commit and merged that part of next to master. This reverts commit c8ffd1356d42223cbb8c86280a083cc3c93e6426, reversing changes made to 2ee6f3a5f7550de3599faef9704e166e5dcace35. Reported-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Tom Rini <trini@konsulko.com>
2024-05-07Merge patch series "arm: Add Analog Devices SC5xx Machine Type"Tom Rini
Greg Malysa <greg.malysa@timesys.com> says: This series adds support for the ADI SC5xx machine type and includes two core drivers that are required for being able to boot any board--a UART driver, the gptimer driver which is used as a clock reference (CNTVCNT is not supported on the armv7 sc5xx SoCs) and the clock tree driver. Our corresponding Linux support relies on u-boot configuring the clocks correctly before booting, so it is not possible to boot any board without the CGU/CDU configuration happening here. There are also no board files, device trees, or defconfigs included here, but some common definitions that will be used to build board files currently are. The sc5xx SoCs themselves include many armv7 families (sc57x, sc58x, and sc594) all using an ARM Cortex-A5, and one armv8 family (sc598) indended to be a drop-in replacement for the SC594 in terms of peripherals, with a Cortex-A55 instead. Some of the configuration code in dmcinit and clkinit is quite scary and causes a lot of checkpatch violations. It is modified from code initially provided by ADI, but it has not been fully rewritten. There's a question of how important it is to clean up this code--it has some quality violations, but it has been in use (including in production) for over two years and is known to work for performing the low level SoC initialization, while a rewrite might introduce timing or sequence bugs that could take a significant amount of time to detect in the future.
2024-05-07drivers: timer: Add in driver support for ADI SC5XX-family GP timer peripheralGreg Malysa
Co-developed-by: Nathan Barrett-Morrison <nathan.morrison@timesys.com> Signed-off-by: Nathan Barrett-Morrison <nathan.morrison@timesys.com> Co-developed-by: Angelo Dureghello <angelo.dureghello@timesys.com> Signed-off-by: Angelo Dureghello <angelo.dureghello@timesys.com> Co-developed-by: Ian Roberts <ian.roberts@timesys.com> Signed-off-by: Ian Roberts <ian.roberts@timesys.com> Signed-off-by: Greg Malysa <greg.malysa@timesys.com>
2024-05-07timer: Remove <common.h> and add needed includesTom Rini
Remove <common.h> from this driver directory and when needed add missing include files directly. Signed-off-by: Tom Rini <trini@konsulko.com>
2024-01-29treewide: Remove clk_freeSean Anderson
This function is a no-op. Remove it. Signed-off-by: Sean Anderson <seanga2@gmail.com> Link: https://lore.kernel.org/r/20231216193843.2463779-3-seanga2@gmail.com
2023-12-21global: Restrict use of '#include <linux/kconfig.h>'Tom Rini
In general terms, we -include include/linux/kconfig.h and so normal U-Boot code does not need to also #include it. However, for code which is shared with userspace we may need to add it so that either our full config is available or so that macros such as CONFIG_IS_ENABLED() can be evaluated. In this case make sure that we guard these includes with a test for USE_HOSTCC so that it clear as to why we're doing this. Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Rini <trini@konsulko.com>
2023-12-18timer: starfive: Add Starfive timer supportKuan Lim Lee
Add timer driver in Starfive SoC. It is an timer that outside of CPU core and inside Starfive SoC. Signed-off-by: Kuan Lim Lee <kuanlim.lee@starfivetech.com> Signed-off-by: Wei Liang Lim <weiliang.lim@starfivetech.com> Changes for v2: - correct driver name, comment, variable Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
2023-11-29timer-uclass: Always use "clock-frequency" property as fallbackAlex Bee
Currently the "clock-frequency" DT property is only being considered as an fallback if either there is no clock driver, the clock driver implements the request-op correctly or there is no clock defined for the timer at all. This patch makes "clock-frequency" also being picked as a fallback if getting the clock-rate fails, since clk_get(_by_index) will return no error, if a clock driver does not implement the request-op and does also not support getting the rate of the clock in question. timer_post_probe will take care if the property does not exist in the DT or is defined as 0. Signed-off-by: Alex Bee <knaerzche@gmail.com>
2023-10-04riscv: andesv5: Prefer using the generic RISC-V timer driver in S-modeYu Chien Peter Lin
The Andes PLMT driver directly accesses the mtime MMIO region, indicating its intended use in the M-mode boot stage. However, since U-Boot proper (S-mode) also uses the PLMT driver, we need to specifically mark the region as readable through PMPCFGx (or S/U-mode read-only shared data region for Smepmp) in OpenSBI. Granting permission for this case doesn't make sense. Instead, we should use the generic RISC-V timer driver to read the mtime through the TIME CSR. Therefore, we add the SPL_ANDES_PLMT_TIMER config, which ensures that the PLMT driver is linked exclusively against M-mode U-Boot or U-Boot SPL binaries. Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com> Reviewed-by: Samuel Holland <samuel@sholland.org>
2023-10-04timer: starfive: Add Starfive timer supportKuan Lim Lee
Add timer driver in Starfive SoC. It is an timer that outside of CPU core and inside Starfive SoC. Signed-off-by: Kuan Lim Lee <kuanlim.lee@starfivetech.com> Reviewed-by: Wei Liang Lim <weiliang.lim@starfivetech.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2023-10-04timer: riscv_aclint_timer: add timer_get_boot_us for BOOTSTAGEChanho Park
timer_get_boot_us function is required to record the boot stages as us-based timestamp. To get a micro-second time from a timer tick, this converts the formula like below to avoid zero result of (tick / rate) part. From: time(us) = (tick / rate) * 1000000 To : time(us) = (tick * 1000) / (rate / 1000) Signed-off-by: Chanho Park <chanho61.park@samsung.com> Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
2023-10-04riscv: timer: add timer_get_boot_us for BOOTSTAGEChanho Park
timer_get_boot_us function is required to record the boot stages as us-based timestamp. To get a micro-second time from a timer tick, this converts the formula like below to avoid zero result of (tick / rate) part. From: time(us) = (tick / rate) * 1000000 To : time(us) = (tick * 1000) / (rate / 1000) Signed-off-by: Chanho Park <chanho61.park@samsung.com> Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
2023-10-02Merge branch 'next'Tom Rini
Signed-off-by: Tom Rini <trini@konsulko.com>
2023-09-14timer: Remove unused NEEDS_MANUAL_RELOC code bitsMarek Vasut
The last user of the NEEDS_MANUAL_RELOC has been removed in commit 26af162ac8f8 ("arch: m68k: Implement relocation") Remove now unused NEEDS_MANUAL_RELOC code. Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
2023-09-05riscv: allow riscv timer to be instantiated via device treeTorsten Duwe
For the architectural timer on riscv, there already is a defined device tree binding[1]. Allow timer instances to be created from device tree matches, but for now retain the old mechanism, which registers the timer biggy-back with the CPU. [1] linux/Documentation/devicetree/bindings/timer/riscv,timer.yaml Signed-off-by: Torsten Duwe <duwe@suse.de> Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
2023-07-28omap: timer: add ti,am654-timer compatibilitySjoerd Simons
The TI AM654 timer is compatible with the omap-timer implementation, so add it to the compatible id list. Signed-off-by: Sjoerd Simons <sjoerd@collabora.com> Reviewed-by: Roger Quadros <rogerq@kernel.org> Reviewed-by: Tom Rini <trini@konsulko.com> Tested-by: Maxime Ripard <mripard@kernel.org> Tested-by: Ravi Gunasekaran <r-gunasekaran@ti.com> Tested-by: Mattijs Korpershoek <mkorpershoek@baylibre.com> Cc: Francesco Dolcini <francesco@dolcini.it> Cc: Wadim Egorov <w.egorov@phytec.de> Signed-off-by: Nishanth Menon <nm@ti.com>
2023-07-12riscv: Rename SiFive CLINT to RISC-V ALINTBin Meng
As the RISC-V ACLINT specification is defined to be backward compatible with the SiFive CLINT specification, we rename SiFive CLINT to RISC-V ALINT in the source tree to be future-proof. Signed-off-by: Bin Meng <bmeng@tinylab.org> Reviewed-by: Rick Chen <rick@andestech.com>
2023-07-12riscv: timer: Update the sifive clint timer driver to support aclintBin Meng
This RISC-V ACLINT specification [1] defines a set of memory mapped devices which provide inter-processor interrupts (IPI) and timer functionalities for each HART on a multi-HART RISC-V platform. The RISC-V ACLINT specification is defined to be backward compatible with the SiFive CLINT specification, however the device tree binding is a new one. This change updates the sifive clint timer driver to support ACLINT mtimer device, using a per-driver data field to hold the mtimer offset to the base address encoded in the mtimer node. [1] https://github.com/riscv/riscv-aclint/blob/main/riscv-aclint.adoc Signed-off-by: Bin Meng <bmeng@tinylab.org> Reviewed-by: Rick Chen <rick@andestech.com>
2023-05-06rockchip: timer: dw-apb-timer: use regs variable with uintptr_t sizeJohan Jonker
The fdt_addr_t and phys_addr_t size have been decoupled. A 32bit CPU can expect 64-bit data from the device tree parser, so use a regs variable with uintptr_t size in the dw-apb-timer.c file. Signed-off-by: Johan Jonker <jbx6244@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2023-03-27Merge branch 'master' into nextTom Rini
2023-03-19rockchip: timer: rockchip_timer: fix compatible and driver nameJohan Jonker
In the binding for the Rockchip timer the compatible string consists of a SoC orientated string and a fall back string "rockchip,rk3288-timer", so remove all unneeded ones and fix driver name. Signed-off-by: Johan Jonker <jbx6244@gmail.com> Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
2023-03-14Merge tag 'v2023.04-rc4' into nextTom Rini
Prepare v2023.04-rc4 Signed-off-by: Tom Rini <trini@konsulko.com>
2023-03-13efi: Use a fixed value for the timer clockSimon Glass
It is not yet clear how to read the timer via EFI. The current value seems much too high on a Framework laptop I tried. Adjust it to a lower hard-coded value for now. Signed-off-by: Simon Glass <sjg@chromium.org>
2023-03-06timer: fttmr010: return a previously deleted driver now ported to DMSergei Antonov
The fttmr010 timer driver was deleted by commit 29fc6f24926e ("ARM: remove a320evb board support") The original source file was: arch/arm/cpu/arm920t/a320/timer.c Return the driver to the codebase in a DM compatible form. A platform using fttmr010 will be submitted later. This hardware is described in the datasheet [1], starting from page 348. According to the datasheet, there is a Revision Register at offset 0x3C, which is not present in 'struct fttmr010'. Add it and debug() print revision in probe function. [1] https://bitbucket.org/Kasreyn/mkrom-uc7112lx/src/master/documents/FIC8120_DS_v1.2.pdf Signed-off-by: Sergei Antonov <saproj@gmail.com>
2023-03-01sandbox: fix building with CONFIG_SPL_TIMER=yHeinrich Schuchardt
Building sandbox_defconfig with CONFIG_SPL_TIMER=y results in an error include/dm/platdata.h:63:33: error: static assertion failed: "Cannot use U_BOOT_DRVINFO with of-platdata. Please use devicetree instead" Add a missing condition in the sandbox driver. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2023-02-11timer: Tidy up use of notraceSimon Glass
Tracing is typically enabled by the time driver model starts up, so there is no point in adding a 'notrace' to the timer-init function. However, once the driver model timer is enabled, we do need to be able to access the timer's private data when reading the timer, so add it to the core function needed for that. Update the function's documentation while we are here. Signed-off-by: Simon Glass <sjg@chromium.org>