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* pwm: Add clock based PWM output driverNikita Travkin2022-07-291-0/+10
| | | | | | | | | | | | Some systems have clocks exposed to external devices. If the clock controller supports duty-cycle configuration, such clocks can be used as pwm outputs. In fact PWM and CLK subsystems are interfaced with in a similar way and an "opposite" driver already exists (clk-pwm). Add a driver that would enable pwm devices to be used via clk subsystem. Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Nikita Travkin <nikita@trvn.ru> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: sunplus-pwm: Add Sunplus SoC SP7021 PWM DriverHammer Hsieh2022-04-221-0/+11
| | | | | | | Add Sunplus SoC SP7021 PWM Driver Signed-off-by: Hammer Hsieh <hammerh0314@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: Add support for Xilinx AXI TimerSean Anderson2022-04-221-0/+14
| | | | | | | | | | | | | | | | | | | | This adds PWM support for Xilinx LogiCORE IP AXI soft timers commonly found on Xilinx FPGAs. At the moment clock control is very basic: we just enable the clock during probe and pin the frequency. In the future, someone could add support for disabling the clock when not in use. Some common code has been specially demarcated. While currently only used by the PWM driver, it is anticipated that it may be split off in the future to be used by the timer driver as well. This driver was written with reference to Xilinx DS764 for v1.03.a [1]. [1] https://www.xilinx.com/support/documentation/ip_documentation/axi_timer/v1_03_a/axi_timer_ds764.pdf Signed-off-by: Sean Anderson <sean.anderson@seco.com> Acked-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: samsung: Describe driver in KconfigKrzysztof Kozlowski2021-11-051-1/+3
| | | | | | | | | Describe better which driver applies to which SoC, to make configuring kernel for Samsung SoC easier. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: keembay: Improve compile coverage by allowing to enable on !ARM64Uwe Kleine-König2021-09-021-1/+2
| | | | | | | | There are no arm64 specific constructs in this driver and it compiles just fine with ARCH=arm. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: jz4740: Improve compile coverage by allowing to enable on !MIPSUwe Kleine-König2021-09-021-1/+1
| | | | | | | | There are no mips specific constructs in this driver and it compiles just fine with ARCH=arm. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* Merge tag 'pwm/for-5.13-rc1' of ↵Linus Torvalds2021-05-051-0/+9
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm Pull pwm updates from Thierry Reding: "This adds support for the PWM controller found on Toshiba Visconti SoCs and converts a couple of drivers to the atomic API. There's also a bunch of cleanups and minor fixes across the board" * tag 'pwm/for-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (35 commits) pwm: Reword docs about pwm_apply_state() pwm: atmel: Improve duty cycle calculation in .apply() pwm: atmel: Fix duty cycle calculation in .get_state() pwm: visconti: Add Toshiba Visconti SoC PWM support dt-bindings: pwm: Add bindings for Toshiba Visconti PWM Controller arm64: dts: rockchip: Remove clock-names from PWM nodes ARM: dts: rockchip: Remove clock-names from PWM nodes dt-bindings: pwm: rockchip: Add more compatible strings dt-bindings: pwm: Convert pwm-rockchip.txt to YAML pwm: mediatek: Remove unused function pwm: pca9685: Improve runtime PM behavior pwm: pca9685: Support hardware readout pwm: pca9685: Switch to atomic API pwm: lpss: Don't modify HW state in .remove callback pwm: sti: Free resources only after pwmchip_remove() pwm: sti: Don't modify HW state in .remove callback pwm: lpc3200: Don't modify HW state in .remove callback pwm: lpc18xx-sct: Free resources only after pwmchip_remove() pwm: bcm-kona: Don't modify HW state in .remove callback pwm: bcm2835: Free resources only after pwmchip_remove() ...
| * pwm: visconti: Add Toshiba Visconti SoC PWM supportNobuhiro Iwamatsu2021-04-231-0/+9
| | | | | | | | | | | | | | | | | | Add driver for the PWM controller on Toshiba Visconti ARM SoC. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> [thierry.reding@gmail.com: fix up a couple of checkpatch warnings] Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* | Merge tag 'mfd-next-5.13' of ↵Linus Torvalds2021-04-291-0/+8
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd Pull MFD updates from Lee Jones: "Core Framework: - Add support for Software Nodes to MFD Core - Remove support for Device Properties from MFD Core - Use standard APIs in MFD Core New Drivers: - Add support for ROHM BD9576MUF and BD9573MUF PMICs - Add support for Netronix Embedded Controller, PWM and RTC - Add support for Actions Semi ATC260x PMICs and OnKey New Device Support: - Add support for DG1 PCIe Graphics Card to Intel PMT - Add support for ROHM BD71815 PMIC to ROHM BD71828 - Add support for Tolino Shine 2 HD to Netronix Embedded Controller - Add support for AX10 BMC Secure Updates to Intel M10 BMC Removed Device Support: - Remove Arizona Extcon support from MFD - Remove ST-E AB8500 Power Supply code from MFD - Remove AB3100 altogether New Functionality: - Add support for SMBus and I2C modes to Dialog DA9063 - Switch to using Software Nodes in Intel (various) New/converted Device Tree bindings: - rohm bd71815-pmic, rohm bd9576-pmic, netronix ntxec, actions atc260x, ricoh rn5t618, qcom pm8xxx - Fix-ups: - Fix error handling/path; intel_pmt - Simplify code; rohm-bd718x7, ab8500-core, intel-m10-bmc - Trivial clean-ups (reordering, spelling); rohm-generic, rn5t618, max8997 - Use correct data-type; db8500-prcmu - Remove superfluous code; lp87565, intel_quark_i2c_gpi, lpc_sch, twl - Use generic APIs/defines; lm3533-core, intel_quark_i2c_gpio - Regmap related fix-ups; intel-m10-bmc, sec-core - Reorder resource freeing during remove; intel_quark_i2c_gpio - Make table indexing more robust; intel_quark_i2c_gpio - Fix reference imbalances; arizona-irq - Staticify and (un)constify things; arizona-spi, stmpe, ene-kb3930, intel-lpss-acpi, intel-lpss-pci, atc260x-i2c, intel_quark_i2c_gpio Bug Fixes: - Fix incorrect (register) values; intel-m10-bmc - Kconfig related fixes; ABX500_CORE - Do not clear the Auto Reload Register; stm32-timers" * tag 'mfd-next-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (84 commits) mfd: intel-m10-bmc: Add support for MAX10 BMC Secure Updates Revert "mfd: max8997: Add of_compatible to Extcon and Charger mfd_cell" mfd: twl: Remove unused inline function twl4030charger_usb_en() dt-bindings: mfd: Convert pm8xxx bindings to yaml dt-bindings: mfd: Add compatible for pmk8350 rtc i2c: designware: Get rid of legacy platform data mfd: intel_quark_i2c_gpio: Convert I²C to use software nodes mfd: lpc_sch: Partially revert "Add support for Intel Quark X1000" mfd: arizona: Fix rumtime PM imbalance on error mfd: max8997: Replace 8998 with 8997 mfd: core: Use acpi_find_child_device() for child devices lookup mfd: intel_quark_i2c_gpio: Don't play dirty trick with const mfd: intel_quark_i2c_gpio: Enable MSI interrupt mfd: intel_quark_i2c_gpio: Reuse BAR definitions for MFD cell indexing mfd: ntxec: Support for EC in Tolino Shine 2 HD mfd: stm32-timers: Avoid clearing auto reload register mfd: intel_quark_i2c_gpio: Replace I²C speeds with descriptive definitions mfd: intel_quark_i2c_gpio: Remove unused struct device member mfd: intel_quark_i2c_gpio: Unregister resources in reversed order mfd: Kconfig: ABX500_CORE should depend on ARCH_U8500 ...
| * | pwm: ntxec: Add driver for PWM function in Netronix ECJonathan Neuschäfer2021-03-101-0/+8
| |/ | | | | | | | | | | | | | | | | | | | | | | | | The Netronix EC provides a PWM output which is used for the backlight on some ebook readers. This patches adds a driver for the PWM output. The .get_state callback is not implemented, because the PWM state can't be read back from the hardware. Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* / pwm: Add Raspberry Pi Firmware based PWM busNicolas Saenz Julienne2021-03-221-0/+9
|/ | | | | | | | | | Adds support to control the PWM bus available in official Raspberry Pi PoE HAT. Only RPi's co-processor has access to it, so commands have to be sent through RPi's firmware mailbox interface. Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: Remove ZTE ZX driverArnd Bergmann2021-01-201-10/+0
| | | | | | | | | | The ZTE ZX platform is getting removed, so this driver is no longer needed. Cc: Jun Nie <jun.nie@linaro.org> Cc: Shawn Guo <shawnguo@kernel.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: lpss: Make compilable with COMPILE_TESTUwe Kleine-König2020-12-171-3/+3
| | | | | | | | All used ACPI functions have dummy implementations, and there is no hard dependency on x86. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: Fix dependencies on HAS_IOMEMUwe Kleine-König2020-12-171-7/+28
| | | | | | | | Drivers making use of IO remapping must depend on HAS_IOMEM. Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: Add PWM fan controller driver for LGM SoCRahul Tanwar2020-12-171-0/+11
| | | | | | | | | | | | Intel Lightning Mountain(LGM) SoC contains a PWM fan controller. This PWM controller does not have any other consumer, it is a dedicated PWM controller for fan attached to the system. Add driver for this PWM fan controller. Signed-off-by: Rahul Tanwar <rahul.tanwar@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com> Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: Add DesignWare PWM Controller DriverJarkko Nikula2020-12-171-0/+9
| | | | | | | | | | | | | | | Introduce driver for Synopsys DesignWare PWM Controller used on Intel Elkhart Lake. Initial implementation is done by Felipe Balbi while he was working at Intel with later changes from Raymond Tan and me. Co-developed-by: Felipe Balbi (Intel) <balbi@kernel.org> Signed-off-by: Felipe Balbi (Intel) <balbi@kernel.org> Co-developed-by: Raymond Tan <raymond.tan@intel.com> Signed-off-by: Raymond Tan <raymond.tan@intel.com> Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: Add PWM driver for Intel Keem BayVijayakannan Ayyathurai2020-12-171-0/+9
| | | | | | | | | | | | | | The Intel Keem Bay SoC requires PWM support. Add the pwm-keembay driver to enable this. Signed-off-by: Lai, Poey Seng <poey.seng.lai@intel.com> Co-developed-by: Vineetha G. Jaya Kumaran <vineetha.g.jaya.kumaran@intel.com> Signed-off-by: Vineetha G. Jaya Kumaran <vineetha.g.jaya.kumaran@intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Co-developed-by: Vijayakannan Ayyathurai <vijayakannan.ayyathurai@intel.com> Signed-off-by: Vijayakannan Ayyathurai <vijayakannan.ayyathurai@intel.com> Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: atmel-tcb: Switch to new bindingAlexandre Belloni2020-12-171-1/+2
| | | | | | | | | | | | The PWM is now a subnode of the used TCB. This is cleaner and it mainly allows to stop wasting TCB channels when only 2 or 4 PWMs are used. This also removes the atmel_tclib dependency Cc: Thierry Reding <thierry.reding@gmail.com> Cc: linux-pwm@vger.kernel.org Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/socLinus Torvalds2020-10-241-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull ARM SoC platform updates from Olof Johansson: "SoC changes, a substantial part of this is cleanup of some of the older platforms that used to have a bunch of board files. In particular: - Remove non-DT i.MX platforms that haven't seen activity in years, it's time to remove them. - A bunch of cleanup and removal of platform data for TI/OMAP platforms, moving over to genpd for power/reset control (yay!) - Major cleanup of Samsung S3C24xx and S3C64xx platforms, moving them closer to multiplatform support (not quite there yet, but getting close). There are a few other changes too, smaller fixlets, etc. For new platform support, the primary ones are: - New SoC: Hisilicon SD5203, ARM926EJ-S platform. - Cpufreq support for i.MX7ULP" * tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (121 commits) ARM: mstar: Select MStar intc ARM: stm32: Replace HTTP links with HTTPS ones ARM: debug: add UART early console support for SD5203 ARM: hisi: add support for SD5203 SoC ARM: omap3: enable off mode automatically clk: imx: imx35: Remove mx35_clocks_init() clk: imx: imx31: Remove mx31_clocks_init() clk: imx: imx27: Remove mx27_clocks_init() ARM: imx: Remove unused definitions ARM: imx35: Retrieve the IIM base address from devicetree ARM: imx3: Retrieve the AVIC base address from devicetree ARM: imx3: Retrieve the CCM base address from devicetree ARM: imx31: Retrieve the IIM base address from devicetree ARM: imx27: Retrieve the CCM base address from devicetree ARM: imx27: Retrieve the SYSCTRL base address from devicetree ARM: s3c64xx: bring back notes from removed debug-macro.S ARM: s3c24xx: fix Wunused-variable warning on !MMU ARM: samsung: fix PM debug build with DEBUG_LL but !MMU MAINTAINERS: mark linux-samsung-soc list non-moderated ARM: imx: Remove remnant board file support pieces ...
| * ARM: s5pv210: don't imply CONFIG_PLAT_SAMSUNGArnd Bergmann2020-08-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | The plat-samsung directory and mach-s5pv210 can be build completely independently, so split the two Kconfig symbols CONFIG_PLAT_SAMSUNG and CONFIG_ARCH_S5PV210. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Acked-by: Thierry Reding <thierry.reding@gmail.com> Acked-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20200806182059.2431-18-krzk@kernel.org Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
* | pwm: Add support for sl28cpld PWM controllerMichael Walle2020-09-171-0/+10
|/ | | | | | | | | | | | | Add support for the PWM controller of the sl28cpld board management controller. This is part of a multi-function device driver. The controller has one PWM channel and can just generate four distinct frequencies. Signed-off-by: Michael Walle <michael@walle.cc> Acked-by: Thierry Reding <thierry.reding@gmail.com> Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* pwm: remove pwm-puv3 driverMike Rapoport2020-07-011-9/+0
| | | | | | | | | The unicore32 port is removed from the kernel. There is no point to keep stale PWM driver for this architecture. Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Guenter Roeck <linux@roeck-us.net>
* pwm: jz4740: Drop dependency on MACH_INGENICPaul Cercueil2020-06-021-1/+1
| | | | | | | | | | Depending on MACH_INGENIC prevent us from creating a generic kernel that works on more than one MIPS board. Instead, we just depend on MIPS being set. Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: Add support for Azoteq IQS620A PWM generatorJeff LaBundy2020-04-141-0/+10
| | | | | | | | | This patch adds support for the Azoteq IQS620A, capable of generating a 1-kHz PWM output with duty cycle between ~0.4% and 100% (inclusive). Signed-off-by: Jeff LaBundy <jeff@labundy.com> Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: jz4740: Obtain regmap from parent nodePaul Cercueil2020-03-301-0/+1
| | | | | | | | | | | | | | The TCU registers are shared between a handful of drivers, accessing them through the same regmap. While this driver is devicetree-compatible, it is never (as of now) probed from devicetree, so this change does not introduce a ABI problem with current devicetree files. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Tested-by: Mathieu Malaterre <malat@debian.org> Tested-by: Artur Rojek <contact@artur-rojek.eu> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: jz4740: Use clocks from TCU driverPaul Cercueil2020-03-301-0/+1
| | | | | | | | | | | | | | | | | | | | The ingenic-timer "TCU" driver provides us with clocks, that can be (un)gated, reparented or reclocked from devicetree, instead of having these settings hardcoded in this driver. The new code now uses a clk pointer per PWM (instead of a clk per pwm-chip before). So the pointer is stored in per-pwm data now. The calls to arch-specific timer code is replaced with standard clock API calls to start and stop each channel's clock. While this driver is devicetree-compatible, it is never (as of now) probed from devicetree, so this change does not introduce a ABI problem with current devicetree files. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Tested-by: Mathieu Malaterre <malat@debian.org> Tested-by: Artur Rojek <contact@artur-rojek.eu> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: Enable compile testing for some of driversKrzysztof Kozlowski2020-03-301-22/+25
| | | | | | | | | | | | | | Some of the PWM drivers can be compile tested to increase build coverage. The Meson PWM driver requires COMMON_CLK dependency. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Florian Fainelli <f.fainelli@gmail.com> # For Broadcoam Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> # For Meson Acked-by: Claudiu Beznea <claudiu.beznea@microchip.com> # For Atmel Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: Implement some checks for lowlevel driversUwe Kleine-König2020-03-301-0/+9
| | | | | | | | | | There are some expectations which the callbacks provided by lowlevel drivers should fulfill. Implement checks that help driver authors to get these semantics right. As these have some overhead the checks can be disabled using a Kconfig setting. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: bcm2835: Allow building for ARCH_BRCMSTBFlorian Fainelli2020-01-201-1/+1
| | | | | | | | | BCM7211 is supported using ARCH_BRCMSTB and uses this PWM controller driver, make it possible to build it. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: omap-dmtimer: Allow compiling with COMPILE_TESTUwe Kleine-König2020-01-201-1/+2
| | | | | | | | The dependency on OMAP_DM_TIMER is only a runtime dependency. Also OMAP_DM_TIMER cannot be enabled without ARCH_OMAP being enabled. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: Fix minor Kconfig whitespace issuesKrzysztof Kozlowski2020-01-081-2/+2
| | | | | | | Remove double whitespace after "config" keyword. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* bus/ti-pwmss: move TI PWMSS driver from PWM to bus subsystemDavid Lechner2019-10-171-9/+0
| | | | | | | | | | | The TI PWMSS driver is a simple bus driver for providing power power management for the PWM peripherals on TI AM33xx SoCs, namely eCAP, eHRPWM and eQEP. The eQEP is a counter rather than a PWM, so it does not make sense to have the bus driver in the PWM subsystem since the PWMSS is not exclusive to PWM devices. Signed-off-by: David Lechner <david@lechnology.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* Merge tag 'pwm/for-5.4-rc1' of ↵Linus Torvalds2019-09-271-1/+12
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm Pull pwm updates from Thierry Reding: "Besides one new driver being added for the PWM controller found in various Spreadtrum SoCs, this series of changes brings a slew of, mostly minor, fixes and cleanups for existing drivers, as well as some enhancements to the core code. Lastly, Uwe is added to the PWM subsystem entry of the MAINTAINERS file, making official his role as a reviewer" * tag 'pwm/for-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (34 commits) MAINTAINERS: Add myself as reviewer for the PWM subsystem MAINTAINERS: Add patchwork link for PWM entry MAINTAINERS: Add a selection of PWM related keywords to the PWM entry pwm: mediatek: Add MT7629 compatible string dt-bindings: pwm: Update bindings for MT7629 SoC pwm: mediatek: Update license and switch to SPDX tag pwm: mediatek: Use pwm_mediatek as common prefix pwm: mediatek: Allocate the clks array dynamically pwm: mediatek: Remove the has_clks field pwm: mediatek: Drop the check for of_device_get_match_data() pwm: atmel: Consolidate driver data initialization pwm: atmel: Remove unneeded check for match data pwm: atmel: Remove platform_device_id and use only dt bindings pwm: stm32-lp: Add check in case requested period cannot be achieved pwm: Ensure pwm_apply_state() doesn't modify the state argument pwm: fsl-ftm: Don't update the state for the caller of pwm_apply_state() pwm: sun4i: Don't update the state for the caller of pwm_apply_state() pwm: rockchip: Don't update the state for the caller of pwm_apply_state() pwm: Let pwm_get_state() return the last implemented state pwm: Introduce local struct pwm_chip in pwm_apply_state() ...
| * pwm: atmel: Remove platform_device_id and use only dt bindingsKamel Bouhara2019-09-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | Since commit 26202873bb51 ("avr32: remove support for AVR32 architecture") there is no more user of platform_device_id and we should only use dt bindings Signed-off-by: Kamel Bouhara <kamel.bouhara@bootlin.com> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-by: Claudiu Beznea <claudiu.beznea@microchip.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
| * pwm: sprd: Add Spreadtrum PWM supportBaolin Wang2019-09-211-0/+11
| | | | | | | | | | | | | | | | | | This patch adds the Spreadtrum PWM support, which provides maximum 4 channels. Signed-off-by: Neo Hou <neo.hou@unisoc.com> Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* | mfd / platform: cros_ec: Move cros-ec core driver out from MFDEnric Balletbo i Serra2019-09-021-1/+1
|/ | | | | | | | | | | | | | | | | | | | | Now, the ChromeOS EC core driver has nothing related to an MFD device, so move that driver from the MFD subsystem to the platform/chrome subsystem. Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Thierry Reding <thierry.reding@gmail.com> Acked-by: Mark Brown <broonie@kernel.org> Acked-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Neil Armstrong <narmstrong@baylibre.com> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com> Acked-by: Chanwoo Choi <cw00.choi@samsung.com> Reviewed-by: Gwendal Grignou <gwendal@chromium.org> Tested-by: Gwendal Grignou <gwendal@chromium.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* Merge tag 'pwm/for-5.3-rc1' of ↵Linus Torvalds2019-07-091-0/+11
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm Pull pwm updates from Thierry Reding: "This set of changes contains a new driver for SiFive SoCs as well as enhancements to the core (device links are used to track dependencies between PWM providers and consumers, support for PWM controllers via ACPI, sysfs will now suspend/resume PWMs that it has claimed) and various existing drivers" * tag 'pwm/for-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (37 commits) pwm: fsl-ftm: Make sure to unlock mutex on failure pwm: fsl-ftm: Use write protection for prescaler & polarity pwm: fsl-ftm: More relaxed permissions for updating period pwm: atmel-hlcdc: Add compatible for SAM9X60 HLCDC's PWM pwm: bcm2835: Improve precision of PWM leds: pwm: Support ACPI via firmware-node framework pwm: Add support referencing PWMs from ACPI pwm: rcar: Remove suspend/resume support pwm: sysfs: Add suspend/resume support pwm: Add power management descriptions pwm: meson: Add documentation to the driver pwm: meson: Add support PWM_POLARITY_INVERSED when disabling pwm: meson: Don't cache struct pwm_state internally pwm: meson: Read the full hardware state in meson_pwm_get_state() pwm: meson: Simplify the calculation of the pre-divider and count pwm: meson: Move pwm_set_chip_data() to meson_pwm_request() pwm: meson: Add the per-channel register offsets and bits in a struct pwm: meson: Add the meson_pwm_channel data to struct meson_pwm pwm: meson: Pass struct pwm_device to meson_pwm_calc() pwm: meson: Don't duplicate the polarity internally ...
| * pwm: sifive: Add a driver for SiFive SoC PWMYash Shah2019-06-251-0/+11
| | | | | | | | | | | | | | | | | | | | | | Adds a PWM driver for PWM chip present in SiFive's HiFive Unleashed SoC. Signed-off-by: Wesley W. Terpstra <wesley@sifive.com> [Atish: Various fixes and code cleanup] Signed-off-by: Atish Patra <atish.patra@wdc.com> Signed-off-by: Yash Shah <yash.shah@sifive.com> Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* | treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner2019-05-211-0/+1
|/ | | | | | | | | | | | | | Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* pwm: Add i.MX TPM PWM driver supportAnson Huang2019-05-091-0/+11
| | | | | | | | | | | | | | | i.MX7ULP has TPM(Low Power Timer/Pulse Width Modulation Module) inside, it can support multiple PWM channels, all the channels share same counter and period setting, but each channel can configure its duty and polarity independently. There are several TPM modules in i.MX7ULP, the number of channels in TPM modules are different, it can be read from each TPM module's PARAM register. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: tiehrpwm: Enable compilation for ARCH_K3Vignesh Raghavendra2019-03-201-3/+2
| | | | | | | | | K3 devices have the same EHRPWM IP as OMAP SoCs. Enable the driver to be built for K3 devices. Also, drop reference to AM33xx in help text, as IP is found on multiple TI SoCs. Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: imx: Split into two driversUwe Kleine-König2019-01-161-4/+13
| | | | | | | | | | | | | The two PWM implementations called v1 (for i.MX1 and i.MX21) and v2 (for i.MX27 and later) have nothing in common apart from needing two clocks named "per" and "ipg" and being integrated in a SoC named i.MX. So split the file containing the two disjunct drivers into two files and two complete separate drivers. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> [thierry.reding@gmail.com: fix a modular build issue] Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: Enable Kona PWM to be built for the Cygnus architectureClément Péron2018-12-241-1/+3
| | | | | | | | | | | | The Cygnus architecture uses a Kona PWM. This is already present in the device tree but can't be built actually. Hence, allow the Kona PWM to be built for the Cygnus architecture. Signed-off-by: Clément Péron <peron.clem@gmail.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Scott Branden <scott.branden@broadcom.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: Enable TI ECAP driver for ARCH_K3Vignesh R2018-10-161-3/+2
| | | | | | | | | K3 devices have the same ECAP IP as OMAP SoCs. Enable driver to be built for K3 devices. Also, drop reference to AM33xx in help text, as IP is found on multiple TI SoCs. Signed-off-by: Vignesh R <vigneshr@ti.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: mediatek: Add MT7628 supportJohn Crispin2018-08-201-1/+1
| | | | | | | | | | Add support for MT7628. The SoC is legacy MIPS and hence has no complex clock tree. This patch add an extra flag to the SoC specific data indicating, that no clocks are present. Signed-off-by: John Crispin <john@phrozen.org> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* pwm: stm32: Enforce dependency on CONFIG_MFD_STM32_TIMERSArnd Bergmann2018-06-061-1/+1
| | | | | | | | | | | | | | | | | When compile-testing the PWM driver without also enabling the stm32_timers MFD, we run into a link error: drivers/pwm/pwm-stm32.o: In function `stm32_pwm_raw_capture.isra.6': pwm-stm32.c:(.text+0xcb0): undefined reference to `stm32_timers_dma_burst_read' We don't need the '|| COMPILE_TEST' here, since stm32_timers itself can be built with CONFIG_COMPILE_TEST on all architectures, so we do get the coverage through allmodconfig and randconfig builds even when we make it a hard dependency. Fixes: 7edf7369205b ("pwm: Add driver for STM32 plaftorm") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* Merge tag 'pwm/for-4.17-rc1' of ↵Linus Torvalds2018-04-141-3/+3
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm Pull pwm updates from Thierry Reding: "This set of changes adds support for more generations of the RCar controller as well as runtime PM support. The JZ4740 driver gains support for device tree and can now be used on all Ingenic SoCs. Rounding things off is a random assortment of fixes and cleanups all across the board" * tag 'pwm/for-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (29 commits) pwm: rcar: Add suspend/resume support pwm: rcar: Use PM Runtime to control module clock dt-bindings: pwm: rcar: Add bindings for R-Car M3N support pwm: rcar: Fix a condition to prevent mismatch value setting to duty pwm: sysfs: Use put_device() instead of kfree() dt-bindings: pwm: sunxi: Add new compatible strings pwm: sun4i: Simplify controller mapping pwm: sun4i: Drop unused .has_rdy member pwm: sun4i: Properly check current state pwm: Remove depends on AVR32 pwm: stm32: LPTimer: Use 3 cells ->of_xlate() dt-bindings: pwm-stm32-lp: Add #pwm-cells pwm: stm32: Protect common prescaler for all channels pwm: stm32: Remove unused struct device pwm: mediatek: Improve precision in rate calculation pwm: mediatek: Remove redundant MODULE_ALIAS entries pwm: mediatek: Fix up PWM4 and PWM5 malfunction on MT7623 pwm: jz4740: Enable for all Ingenic SoCs pwm: jz4740: Add support for devicetree pwm: jz4740: Implement ->set_polarity() ...
| * pwm: Remove depends on AVR32Corentin Labbe2018-03-281-1/+1
| | | | | | | | | | | | | | AVR32 is gone, so no more need to depend on it. Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
| * pwm: jz4740: Enable for all Ingenic SoCsPaul Cercueil2018-03-281-3/+3
| | | | | | | | | | | | | | | | | | | | This driver works perfectly with all the versions of the SoCs from Ingenic that are supported upstream. This makes the driver usable on JZ4740, JZ4770 and JZ4780 SoCs. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* | pwm: remove pwm-bfin driverArnd Bergmann2018-03-261-9/+0
| | | | | | | | | | | | | | | | | | The blackfin architecture is getting removed, so this driver is now obsolete as well. Acked-by: Thierry Reding <thierry.reding@gmail.com> Acked-by: Aaron Wu <aaron.wu@analog.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 14:50:40 +0100