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2016-04-15Merge branch 'clk-artpec6' into clk-nextStephen Boyd1-0/+1
* clk-artpec6: clk: add artpec-6 clock controller clk: add device tree binding for Artpec-6 clock controller
2016-04-15clk: add artpec-6 clock controllerLars Persson1-0/+1
Add a driver for the main clock controller of the Artpec-6 Soc. Signed-off-by: Lars Persson <larper@axis.com> [sboyd@codeaurora.org: Reformatted driver structure and of match] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-04-01clk: unconditionally recurse into clk/mvebu/Thomas Petazzoni1-1/+1
The drivers/clk/mvebu directory is only being built when CONFIG_PLAT_ORION=y. As we are going to support additional mvebu platforms in drivers/clk/mvebu, which don't have CONFIG_PLAT_ORION=y, we need to recurse into this directory regardless of the value of CONFIG_PLAT_ORION. Since all files in drivers/clk/mvebu/ are already conditionally compiled depending on various Kconfig options, we can recurse unconditionally into drivers/clk/mvebu without any other change. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-03-03clk: renesas: move drivers to renesas directorySimon Horman1-1/+1
This is part of an ongoing process to migrate from ARCH_SHMOBILE to ARCH_RENESAS the motivation for which being that RENESAS seems to be a more appropriate name than SHMOBILE for the majority of Renesas ARM based SoCs. Along with the above mentioned Kconfig changes it seems appropriate to also rename directories that only hold drivers for such SoCs. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-03-01Merge branch 'clk-ti' into clk-nextMichael Turquette1-1/+1
Conflicts: drivers/clk/Kconfig
2016-03-01clk: ti: Allow COMPILE_TEST to build selected driversTony Lindgren1-1/+1
The arch independent drivers can be build testeed with COMPILE_TEST. Let's allow that for drivers/clk/ti. Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2016-02-25clk: shmobile: Remove ARCH_SHMOBILE_MULTISimon Horman1-1/+0
As of 9b5ba0df4ea4 ("ARM: shmobile: Introduce ARCH_RENESAS") all platforms that use Renesas clock drivers now select ARCH_RENESAS. As it is present in drivers/clk/Makefile ARCH_SHMOBILE_MULTI may now be removed. This is part of an ongoing process to migrate from ARCH_SHMOBILE to ARCH_RENESAS the motivation for which being that RENESAS seems to be a more appropriate name than SHMOBILE for the majority of Renesas ARM based SoCs. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-01-29clk: tango4: rename ARCH_TANGOX to ARCH_TANGOMarc Gonzalez1-1/+1
Requested by arm-soc maintainer Kevin Hilman in v9 review. http://article.gmane.org/gmane.linux.ports.arm.kernel/456331 Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-12-24Merge branch 'clk-lpc32xx' into clk-nextMichael Turquette1-1/+1
2015-12-24clk: lpc18xx: add NXP specific COMMON_CLK_NXP configuration symbolVladimir Zapolskiy1-1/+1
The change adds COMMON_CLK_NXP configuration symbol and enables it for NXP LPC18XX architecture, this is needed to reuse drivers/clk/nxp folder for NXP common clock framework drivers other than LPC18XX one. Signed-off-by: Vladimir Zapolskiy <vz@mleia.com> Acked-by: Joachim Eastwood <manabian@gmail.com> Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-12-22Merge branch 'clk-shmobile-for-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into clk-nextMichael Turquette1-0/+1
2015-12-08clk: shmobile: r8a7795: Add new CPG/MSSR driverGeert Uytterhoeven1-0/+1
Add a new R-Car H3 Clock Pulse Generator / Module Standby and Software Reset driver, using the new CPG/MSSR driver core. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2015-11-30clk: add CS2000 Fractional-N driverKuninori Morimoto1-0/+1
This patch adds CS2000 Fractional-N driver as clock provider. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> [sboyd@codeaurora.org: Fix unsigned checked for < 0 in cs2000_ratio_get()] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-11-16clk: tango4: clkgen driver for Tango4 platformsMarc Gonzalez1-0/+1
Provide support for Sigma Designs Tango4 clock generator. NOTE: This driver is incompatible with Tango3 clkgen. Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com> [sboyd@codeaurora.org: Add kernel.h include for panic/sprintf] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-11-10Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds1-0/+1
Pull ARM SoC driver updates from Olof Johansson: "As we've enabled multiplatform kernels on ARM, and greatly done away with the contents under arch/arm/mach-*, there's still need for SoC-related drivers to go somewhere. Many of them go in through other driver trees, but we still have drivers/soc to hold some of the "doesn't fit anywhere" lowlevel code that might be shared between ARM and ARM64 (or just in general makes sense to not have under the architecture directory). This branch contains mostly such code: - Drivers for qualcomm SoCs for SMEM, SMD and SMD-RPM, used to communicate with power management blocks on these SoCs for use by clock, regulator and bus frequency drivers. - Allwinner Reduced Serial Bus driver, again used to communicate with PMICs. - Drivers for ARM's SCPI (System Control Processor). Not to be confused with PSCI (Power State Coordination Interface). SCPI is used to communicate with the assistant embedded cores doing power management, and we have yet to see how many of them will implement this for their hardware vs abstracting in other ways (or not at all like in the past). - To make confusion between SCPI and PSCI more likely, this release also includes an update of PSCI to interface version 1.0. - Rockchip support for power domains. - A driver to talk to the firmware on Raspberry Pi" * tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (57 commits) soc: qcom: smd-rpm: Correct size of outgoing message bus: sunxi-rsb: Add driver for Allwinner Reduced Serial Bus bus: sunxi-rsb: Add Allwinner Reduced Serial Bus (RSB) controller bindings ARM: bcm2835: add mutual inclusion protection drivers: psci: make PSCI 1.0 functions initialization version dependent dt-bindings: Correct paths in Rockchip power domains binding document soc: rockchip: power-domain: don't try to print the clock name in error case soc: qcom/smem: add HWSPINLOCK dependency clk: berlin: add cpuclk ARM: berlin: dts: add CLKID_CPU for BG2Q ARM: bcm2835: Add the Raspberry Pi firmware driver soc: qcom: smem: Move RPM message ram out of smem DT node soc: qcom: smd-rpm: Correct the active vs sleep state flagging soc: qcom: smd: delete unneeded of_node_put firmware: qcom-scm: build for correct architecture level soc: qcom: smd: Correct SMEM items for upper channels qcom-scm: add missing prototype for qcom_scm_is_available() qcom-scm: fix endianess issue in __qcom_scm_is_call_available soc: qcom: smd: Reject send of too big packets soc: qcom: smd: Handle big endian CPUs ...
2015-10-21Merge branch 'clk-iproc' into clk-nextStephen Boyd1-1/+1
* clk-iproc: clk: iproc: define Broadcom NS2 iProc clock binding clk: iproc: define Broadcom NSP iProc clock binding clk: ns2: add clock support for Broadcom Northstar 2 SoC clk: iproc: Separate status and control variables clk: iproc: Split off dig_filter clk: iproc: Add PLL base write function clk: nsp: add clock support for Broadcom Northstar Plus SoC clk: iproc: Add PWRCTRL support clk: cygnus: Convert all macros to all caps ARM: cygnus: fix link failures when CONFIG_COMMON_CLK_IPROC is disabled
2015-10-21clk: ns2: add clock support for Broadcom Northstar 2 SoCJon Mason1-1/+1
The Broadcom Northstar 2 SoC is architected under the iProc architecture. It has the following PLLs: GENPLL SCR, GENPLL SW, LCPLL DDR, LCPLL Ports, all derived from an onboard crystal. Signed-off-by: Jon Mason <jonmason@broadcom.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-10-21Merge tag 'sunxi-clocks-for-4.4' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into clk-nextStephen Boyd1-0/+1
Pull Allwinner clock additions for 4.4 from Maxime Ripard: - Support for the Audio PLL and child clocks - Support for the A33 AHB gates - New clk-multiplier generic driver * tag 'sunxi-clocks-for-4.4' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux: clk: sunxi: mod1 clock support clk: sunxi: codec clock support clk: sunxi: pll2: Add A13 support clk: sunxi: Add a driver for the PLL2 clk: Add a basic multiplier clock clk: sunxi: Add A33 gates support
2015-10-21clk: Add a basic multiplier clockMaxime Ripard1-0/+1
Some clocks are using a multiplier component, however, unlike their mux, gate or divider counterpart, these factors don't have a basic clock implementation. This leads to code duplication across platforms that want to use that kind of clocks, and the impossibility to use the composite clocks with such a clock without defining your own rate operations. Create such a driver in order to remove these issues, and hopefully factor the implementations, reducing code size across platforms and consolidating the various implementations. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Reviewed-by: Chen-Yu Tsai <wens@csie.org>
2015-10-12Merge branch 'clk-bcm2835' into clk-nextStephen Boyd1-1/+0
* clk-bcm2835: clk: bcm2835: Add support for programming the audio domain clocks clk: bcm2835: Add binding docs for the new platform clock driver. clk: bcm2835: Move under bcm/ with other Broadcom SoC clk drivers.
2015-10-08Add driver for the si514 clock generator chipMike Looijmans1-0/+1
This patch adds the driver and devicetree documentation for the Silicon Labs SI514 clock generator chip. This is an I2C controlled oscillator capable of generating clock signals ranging from 100kHz to 250MHz. Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl> [sboyd@codeaurora.org: Drop clk.h include, remove some casts] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-10-01clk: bcm2835: Move under bcm/ with other Broadcom SoC clk drivers.Eric Anholt1-1/+0
clk-bcm2835.c predates the drivers under bcm/, but all the new BCM drivers are going in there so let's follow them. Signed-off-by: Eric Anholt <eric@anholt.net> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-09-28clk: add support for clocks provided by SCP(System Control Processor)Sudeep Holla1-0/+1
On some ARM based systems, a separate Cortex-M based System Control Processor(SCP) provides the overall power, clock, reset and system control. System Control and Power Interface(SCPI) Message Protocol is defined for the communication between the Application Cores(AP) and the SCP. This patch adds support for the clocks provided by SCP using SCPI protocol. Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> Cc: Mike Turquette <mturquette@baylibre.com> Cc: Liviu Dudau <Liviu.Dudau@arm.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Jon Medhurst (Tixy) <tixy@linaro.org> Cc: linux-clk@vger.kernel.org
2015-07-06clk: Rename clk-gpio-gate.c to clk-gpio.cSergej Sawazki1-1/+1
The file clk-gpio-gate.c does not only contain the gate clock, but also the mux clock. Rename the file to clk-gpio.c. Cc: Jyri Sarha <jsarha@ti.com> Signed-off-by: Sergej Sawazki <ce3a@gmx.de> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-07-01Merge tag 'clk-for-linus-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linuxLinus Torvalds1-4/+7
Pull clock framework updates from Michael Turquette: "The changes to the common clock framework for 4.2 are dominated by new drivers and updates to existing ones, as usual. There are some fixes to the framework itself and several cleanups for sparse warnings, etc" * tag 'clk-for-linus-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (135 commits) clk: stm32: Add clock driver for STM32F4[23]xxx devices dt-bindings: Document the STM32F4 clock bindings cpufreq: exynos: remove Exynos4210 specific cpufreq driver support ARM: Exynos: switch to using generic cpufreq driver for Exynos4210 clk: samsung: exynos4: add cpu clock configuration data and instantiate cpu clock clk: samsung: add infrastructure to register cpu clocks clk: add CLK_RECALC_NEW_RATES clock flag for Exynos cpu clock support doc: dt: add documentation for lpc1850-ccu clk driver clk: add lpc18xx ccu clk driver doc: dt: add documentation for lpc1850-cgu clk driver clk: add lpc18xx cgu clk driver clk: keystone: add support for post divider register for main pll clk: mvebu: flag the crypto clk as CLK_IGNORE_UNUSED clk: cygnus: remove Cygnus dummy clock binding clk: cygnus: add clock support for Broadcom Cygnus clk: Change bcm clocks build dependency clk: iproc: add initial common clock support clk: iproc: define Broadcom iProc clock binding MAINTAINERS: update email for Michael Turquette clk: meson: add some error handling in meson_clk_register_cpu() ...
2015-06-27Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds1-1/+2
Pull MIPS updates from Ralf Baechle: - Improvements to the tlb_dump code - KVM fixes - Add support for appended DTB - Minor improvements to the R12000 support - Minor improvements to the R12000 support - Various platform improvments for BCM47xx - The usual pile of minor cleanups - A number of BPF fixes and improvments - Some improvments to the support for R3000 and DECstations - Some improvments to the ATH79 platform support - A major patchset for the JZ4740 SOC adding support for the CI20 platform - Add support for the Pistachio SOC - Minor BMIPS/BCM63xx platform support improvments. - Avoid "SYNC 0" as memory barrier when unlocking spinlocks - Add support for the XWR-1750 board. - Paul's __cpuinit/__cpuinitdata cleanups. - New Malta CPU board support large memory so enable ZONE_DMA32. * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (131 commits) MIPS: spinlock: Adjust arch_spin_lock back-off time MIPS: asmmacro: Ensure 64-bit FP registers are used with MSA MIPS: BCM47xx: Simplify handling SPROM revisions MIPS: Cobalt Don't use module_init in non-modular MTD registration. MIPS: BCM47xx: Move NVRAM driver to the drivers/firmware/ MIPS: use for_each_sg() MIPS: BCM47xx: Don't select BCMA_HOST_PCI MIPS: BCM47xx: Add helper variable for storing NVRAM length MIPS: IRQ/IP27: Move IRQ allocation API to platform code. MIPS: Replace smp_mb with release barrier function in unlocks. MIPS: i8259: DT support MIPS: Malta: Basic DT plumbing MIPS: include errno.h for ENODEV in mips-cm.h MIPS: Define GCR_GIC_STATUS register fields MIPS: BPF: Introduce BPF ASM helpers MIPS: BPF: Use BPF register names to describe the ABI MIPS: BPF: Move register definition to the BPF header MIPS: net: BPF: Replace RSIZE with SZREG MIPS: BPF: Free up some callee-saved registers MIPS: Xtalk: Update xwidget.h with known Xtalk device numbers ...
2015-06-26Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds1-0/+2
Pull ARM SoC platform support updates from Kevin Hilman: "Our SoC branch usually contains expanded support for new SoCs and other core platform code. Some highlights from this round: - sunxi: SMP support for A23 SoC - socpga: big-endian support - pxa: conversion to common clock framework - bcm: SMP support for BCM63138 - imx: support new I.MX7D SoC - zte: basic support for ZX296702 SoC" * tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (134 commits) ARM: zx: Add basic defconfig support for ZX296702 ARM: dts: zx: add an initial zx296702 dts and doc clk: zx: add clock support to zx296702 dt-bindings: Add #defines for ZTE ZX296702 clocks ARM: socfpga: fix build error due to secondary_startup MAINTAINERS: ARM64: EXYNOS: Extend entry for ARM64 DTS ARM: ep93xx: simone: support for SPI-based MMC/SD cards MAINTAINERS: update Shawn's email to use kernel.org one ARM: socfpga: support suspend to ram ARM: socfpga: add CPU_METHOD_OF_DECLARE for Arria 10 ARM: socfpga: use CPU_METHOD_OF_DECLARE for socfpga_cyclone5 ARM: EXYNOS: register power domain driver from core_initcall ARM: EXYNOS: use PS_HOLD based poweroff for all supported SoCs ARM: SAMSUNG: Constify platform_device_id ARM: EXYNOS: Constify irq_domain_ops ARM: EXYNOS: add coupled cpuidle support for Exynos3250 ARM: EXYNOS: add exynos_get_boot_addr() helper ARM: EXYNOS: add exynos_set_boot_addr() helper ARM: EXYNOS: make exynos_core_restart() less verbose ARM: EXYNOS: fix exynos_boot_secondary() return value on timeout ...
2015-06-23h8300: clock driverYoshinori Sato1-0/+1
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
2015-06-22clk: stm32: Add clock driver for STM32F4[23]xxx devicesDaniel Thompson1-0/+1
The driver supports decoding and statically modelling PLL state (i.e. we inherit state from bootloader) and provides support for all peripherals that support simple one-bit gated clocks. The covers all peripherals whose clocks come from the AHB, APB1 or APB2 buses. It has been tested on an STM32F429I-Discovery board. The clock counts for TIM2, USART1 and SYSTICK are all set correctly and the wall clock looks OK when checked with a stopwatch. I have also tested a prototype driver for the RNG hardware. The RNG clock is correctly enabled by the framework (also did inverse test and proved that by changing DT to configure the wrong clock bit then we observe the RNG driver to fail). Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org> Reviewed-by: Maxime Coquelin <mcoquelin.stm32@gmail.com> [sboyd@codeaurora.org: Silence sparse warnings] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-06-21MIPS: Loongson: Naming style cleanup and reworkHuacai Chen1-1/+1
Currently, code of Loongson-2/3 is under loongson directory and code of Loongson-1 is under loongson1 directory. Besides, there are Kconfig options such as MACH_LOONGSON and MACH_LOONGSON1. This naming style is very ugly and confusing. Since Loongson-2/3 are both 64-bit general- purpose CPU while Loongson-1 is 32-bit SoC, we rename both file names and Kconfig symbols from loongson/loongson1 to loongson64/loongson32. [ralf@linux-mips.org: Resolve a number of simple conflicts.] Signed-off-by: Huacai Chen <chenhc@lemote.com> Cc: Steven J. Hill <Steven.Hill@imgtec.com> Cc: linux-mips@linux-mips.org Cc: Fuxin Zhang <zhangfx@lemote.com> Cc: Zhangjin Wu <wuzhangjin@gmail.com> Cc: Kelvin Cheung <keguang.zhang@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/9790/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-06-21clk: ingenic: add driver for Ingenic SoC CGU clocksPaul Burton1-0/+1
This driver supports the CGU clocks for Ingenic SoCs. It is generic enough to be usable across at least the JZ4740 to the JZ4780, and will be made use of on such devices in subsequent commits. This patch by itself only adds the SoC-agnostic infrastructure that forms the bulk of the CGU driver for the aforementioned further commits to make use of. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Co-authored-by: Paul Cercueil <paul@crapouillou.net> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: Mike Turquette <mturquette@linaro.org> Cc: Stephen Boyd <sboyd@codeaurora.org> Cc: linux-clk@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/10150/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-06-18clk: add lpc18xx cgu clk driverJoachim Eastwood1-0/+1
Add driver for NXP LPC18xx/43xx Clock Generation Unit (CGU). The CGU contains several clock generators and output stages that route the clocks either directly to peripherals or to a Clock Control Unit (CCU). Signed-off-by: Joachim Eastwood <manabian@gmail.com> Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-06-18clk: Change bcm clocks build dependencyRay Jui1-1/+1
The clock code under drivers/clk/bcm now contains code for both the Broadcom mobile SoCs and the iProc SoCs. Change the the makefile dependency to be under config flag CONFIG_ARCH_BCM that's enabled for both families of SoCs Signed-off-by: Ray Jui <rjui@broadcom.com> Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-06-11Merge branch 'zte/soc' into next/socKevin Hilman1-0/+1
* zte/soc: ARM: zx: Add basic defconfig support for ZX296702 ARM: dts: zx: add an initial zx296702 dts and doc clk: zx: add clock support to zx296702 dt-bindings: Add #defines for ZTE ZX296702 clocks
2015-06-11clk: zx: add clock support to zx296702Jun Nie1-0/+1
It adds a clock driver for zx296702 SoC to register the clock tree to Common Clock Framework. All the clocks of bus topology and some the peripheral clocks are ready with this commit. Some missing leaf clocks for peripherals will be added later when needed. Signed-off-by: Jun Nie <jun.nie@linaro.org> Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Kevin Hilman <khilman@linaro.org>
2015-06-05Merge branch 'clk-meson8b' into clk-nextStephen Boyd1-0/+1
* clk-meson8b: clk: meson8b: Add support for Meson8b clocks clk: meson: Document bindings for Meson8b clock controller clk: meson: Add support for Meson clock controller
2015-06-05clk: meson: Add support for Meson clock controllerCarlo Caione1-0/+1
This patchset adds the infrastructure for registering and managing the core clocks found on Amlogic MesonX SoCs. In particular: - PLLs - CPU clock - Fixed rate clocks, fixed factor clocks, ... Signed-off-by: Carlo Caione <carlo@endlessm.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-06-03Merge branch 'clk-next-hi6220' into clk-nextMichael Turquette1-3/+1
Conflicts: drivers/clk/Kconfig
2015-06-03Add TI CDCE925 I2C controlled clock synthesizer driverMike Looijmans1-0/+1
This driver supports the TI CDCE925 programmable clock synthesizer. The chip contains two PLLs with spread-spectrum clocking support and five output dividers. The driver only supports the following setup, and uses a fixed setting for the output muxes: Y1 is derived from the input clock Y2 and Y3 derive from PLL1 Y4 and Y5 derive from PLL2 Given a target output frequency, the driver will set the PLL and divider to best approximate the desired output. Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl> Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-06-03clk: hi6220: Clock driver support for Hisilicon hi6220 SoCBintian Wang1-3/+1
Add clock drivers for hi6220 SoC, this driver controls the SoC registers to supply different clocks to different IPs in the SoC. We add one divider clock for hi6220 because the divider in hi6220 also has a mask bit but it doesnot obey the rule defined by flag "CLK_DIVIDER_HIWORD_MASK", we can not get index of the mask bit by left shift fixed bits (e.g. 16 bits), so we add this divider clock to handle it. Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> Signed-off-by: Bintian Wang <bintian.wang@huawei.com> Acked-by: Haojian Zhuang <haojian.zhuang@linaro.org> Reviewed-by: Zhangfei Gao <zhangfei.gao@linaro.org> Tested-by: Will Deacon <will.deacon@arm.com> Tested-by: Tyler Baker <tyler.baker@linaro.org> Tested-by: Kevin Hilman <khilman@linaro.org> Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-06-03ARM: imx: move clock drivers into drivers/clkShawn Guo1-0/+1
After the cleanup on clock drivers, they are now ready to be moved into drivers/clk. Let's move them into drivers/clk/imx folder. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-05clk: mediatek: Add initial common clock support for Mediatek SoCs.James Liao1-0/+1
This patch adds common clock support for Mediatek SoCs, including plls, muxes and clock gates. Signed-off-by: James Liao <jamesjj.liao@mediatek.com> Signed-off-by: Henry Chen <henryc.chen@mediatek.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> [sboyd@codeaurora.org: Squelch checkpatch warning in clk-mtk.h] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-04-21Merge tag 'clk-for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linuxLinus Torvalds1-0/+2
Pull clock framework updates from Michael Turquette: "The changes to the common clock framework for 4.0 are mostly new clock drivers and updates to existing ones for feature enhancements and bug fixes. There is more churn than usual in the framework core due to the change to introduce per-user unique struct clk pointers in 4.0. This caused several regressions to surface, some of which were sent as fixes to 4.0. New generic clock drivers were added for GPIO- and PWM-based clock controllers. Additionally the common clk-divider code recieved several fixes to the way it rounds rates" * tag 'clk-for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (91 commits) clk: check ->determine/round_rate() return value in clk_calc_new_rates clk: at91: usb: propagate rate modification to the parent clk clk: samsung: exynos4: Disable ARMCLK down feature on Exynos4210 SoC clk: don't use __initconst for non-const arrays clk: at91: change to using endian agnositc IO clk: clk-gpio-gate: Fix active low clk: Add PWM clock driver clk: Add clock driver for mb86s7x clk: pxa: pxa3xx: add missing os timer clock clk: tegra: Use the proper parent for plld_dsi clk: tegra: Use generic tegra_osc_clk_init() on Tegra114 clk: tegra: Model oscillator as clock clk: tegra: Add peripheral registers for bank Y clk: tegra: Register the proper number of resets clk: tegra: Remove needless initializations clk: tegra: Use consistent indentation clk: tegra: Various whitespace cleanups clk: tegra: Enable HDA to HDMI clocks on Tegra124 clk: tegra: Fix a bunch of sparse warnings clk: tegra: Fix typo tabel -> table ...
2015-04-10clk: Add PWM clock driverPhilipp Zabel1-0/+1
Some board designers, when running out of clock output pads, decide to (mis)use PWM output pads to provide a clock to external components. This driver supports this practice by providing an adapter between the PWM and clock bindings in the device tree. As the PWM bindings specify the period in the device tree, this is a fixed clock. Tested-by: Janusz Uzycki <j.uzycki@elproma.com.pl> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-04-10clk: Add clock driver for mb86s7xJassi Brar1-0/+1
The CRG11 clock controller is managed by remote f/w. This driver simply maps Linux CLK ops onto mailbox api. Signed-off-by: Andy Green <andy.green@linaro.org> Signed-off-by: Vincent Yang <vincent.yang@socionext.com> Signed-off-by: Tetsuya Nuriya <nuriya.tetsuya@socionext.com> Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-03-31CLK: Add basic infrastructure for Pistachio clocksAndrew Bresticker1-0/+1
Add helpers for registering clocks and clock providers on Pistachio. Signed-off-by: Andrew Bresticker <abrestic@chromium.org> Cc: Mike Turquette <mturquette@linaro.org> Cc: Stephen Boyd <sboyd@codeaurora.org> Cc: devicetree@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: Ezequiel Garcia <ezequiel.garcia@imgtec.com> Cc: James Hartley <james.hartley@imgtec.com> Cc: James Hogan <james.hogan@imgtec.com> Acked-by: Stephen Boyd <sboyd@codeaurora.org> Patchwork: https://patchwork.linux-mips.org/patch/9318/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-01-20ARM: clk: add clk-asm9260 driverOleksij Rempel1-0/+1
Provide CLK support for Alphascale ASM9260 SoC. Signed-off-by: Oleksij Rempel <linux@rempel-privat.de> Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-01-20clk: ppc-corenet: rename driver to clk-qoriqTang Yuantian1-1/+1
Freescale introduced new ARM-based socs which using the compatible clock IP block with PowerPC-based socs'. So this driver can be used on both platforms. Updated relevant descriptions and renamed this driver to better represent its meaning and keep the function of driver untouched. Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com> Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-01-17clk: TI CDCE706 clock synthesizer driverMax Filippov1-0/+1
The driver allows using CDCE706 in its default configuration recorded in EEPROM and adjusting of synthesized clocks by consumers. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Michael Turquette <mturquette@linaro.org>
2014-10-15Merge tag 'clk-for-linus-3.18' of git://git.linaro.org/people/mike.turquette/linuxLinus Torvalds1-0/+4
Pull clock tree updates from Mike Turquette: "The clk tree changes for 3.18 are dominated by clock drivers. Mostly fixes and enhancements to existing drivers as well as new drivers. This tag contains a bit more arch code than I usually take due to some OMAP2+ changes. Additionally it contains the restart notifier handlers which are merged as a dependency into several trees. The PXA changes are the only messy part. Due to having a stable tree I had to revert one patch and follow up with one more fix near the tip of this tag. Some dead code is introduced but it will soon become live code after 3.18-rc1 is released as the rest of the PXA family is converted over to the common clock framework. Another trend in this tag is that multiple vendors have started to push the complexity of changing their CPU frequency into the clock driver, whereas this used to be done in CPUfreq drivers. Changes to the clk core include a generic gpio-clock type and a clk_set_phase() function added to the top-level clk.h api. Due to some confusion on the fbdev mailing list the kernel boot parameters documentation was updated to further explain the clk_ignore_unused parameter, which is often required by users of the simplefb driver. Finally some fixes to the locking around the clock debugfs stuff was done to prevent deadlocks when interacting with other subsystems." * tag 'clk-for-linus-3.18' of git://git.linaro.org/people/mike.turquette/linux: (99 commits) clk: pxa clocks build system fix Revert "arm: pxa: Transition pxa27x to clk framework" clk: samsung: register restart handlers for s3c2412 and s3c2443 clk: rockchip: add restart handler clk: rockchip: rk3288: i2s_frac adds flag to set parent's rate doc/kernel-parameters.txt: clarify clk_ignore_unused arm: pxa: Transition pxa27x to clk framework dts: add devicetree bindings for pxa27x clocks clk: add pxa27x clock drivers arm: pxa: add clock pll selection bits clk: dts: document pxa clock binding clk: add pxa clocks infrastructure clk: gpio-gate: Ensure gpiod_ APIs are prototyped clk: ti: dra7-atl-clock: Mark the device as pm_runtime_irq_safe clk: ti: LLVMLinux: Move __init outside of type definition clk: ti: consider the fact that of_clk_get() might return an error clk: ti: dra7-atl-clock: fix a memory leak clk: ti: change clock init to use generic of_clk_init clk: hix5hd2: add I2C clocks clk: hix5hd2: add watchdog0 clocks ...
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