Commit Graph

1557 Commits

Author SHA1 Message Date
Linus Torvalds
bfc7249cc2 Please consider pulling the clk framework changes toward 3.19. It is
much later than usual due to several last minute bugs that had to be
 addressed. As usual the majority of changes are new drivers and
 modifications to existing drivers. The core recieved many fixes along
 with the groundwork for several large changes coming in the future which
 will better parition clock providers from clock consumers.
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Merge tag 'clk-for-linus-3.19' of git://git.linaro.org/people/mike.turquette/linux

Pull clk framework updates from Mike Turquette:
 "This is much later than usual due to several last minute bugs that had
  to be addressed.  As usual the majority of changes are new drivers and
  modifications to existing drivers.  The core recieved many fixes along
  with the groundwork for several large changes coming in the future
  which will better parition clock providers from clock consumers"

* tag 'clk-for-linus-3.19' of git://git.linaro.org/people/mike.turquette/linux: (86 commits)
  clk: samsung: Fix Exynos 5420 pinctrl setup and clock disable failure due to domain being gated
  ARM: OMAP3: clock: fix boot breakage in legacy mode
  ARM: OMAP2+: clock: fix DPLL code to use new determine rate APIs
  clk: Really fix deadlock with mmap_sem
  clk: mmp: fix sparse non static symbol warning
  clk: Change clk_ops->determine_rate to return a clk_hw as the best parent
  clk: change clk_debugfs_add_file to take a struct clk_hw
  clk: Don't expose __clk_get_accuracy
  clk: Don't try to use a struct clk* after it could have been freed
  clk: Remove unused function __clk_get_prepare_count
  clk: samsung: Fix double add of syscore ops after driver rebind
  clk: samsung: exynos4: set parent of sclk_hdmiphy to hdmi
  clk: samsung: exynos4415: Fix build with PM_SLEEP disabled
  clk: samsung: remove unnecessary inclusion of header files from clk.h
  clk: samsung: remove unnecessary CONFIG_OF from clk.c
  clk: samsung: Spelling s/bwtween/between/
  clk: rockchip: Add support for the mmc clock phases using the framework
  clk: rockchip: add bindings for the mmc clocks
  clk: rockchip: rk3288 export i2s0_clkout for use in DT
  clk: rockchip: use clock ID for DMC (memory controller) on rk3288
  ...
2014-12-20 16:42:36 -08:00
Krzysztof Kozlowski
f1e9203e23 clk: samsung: Fix Exynos 5420 pinctrl setup and clock disable failure due to domain being gated
Audio subsystem clocks are located in separate block. On Exynos 5420 if
clock for this block (from main clock domain) 'mau_epll' is gated then
any read or write to audss registers will block.

This kind of boot hang was observed on Arndale Octa and Peach Pi/Pit
after introducing runtime PM to pl330 DMA driver. After that commit the
'mau_epll' was gated, because the "amba" clock was disabled and there
were no more users of mau_epll.

The system hang on one of steps:
1. Disabling unused clocks from audss block.
2. During audss GPIO setup (just before probing i2s0 because
   samsung_pinmux_setup() tried to access memory from audss block which was
   gated.

Add a workaround for this by enabling the 'mau_epll' clock in probe.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2014-12-17 07:31:51 -08:00
Michael Turquette
b1924c2ec1 Merge tag 'for-v3.19/omap-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into tmp
Some OMAP clock/hwmod patches for v3.19.

Most of the patches are clock-related.  The DPLL implementation is
changed to better align to the common clock framework.
There is also a patch that removes a few lines from the hwmod code -
this patch should have no functional effect.

Basic build, boot, and PM test logs for these patches can be found here:

http://www.pwsan.com/omap/testlogs/omap-a-for-v3.19/20141113094101/
2014-12-15 17:05:07 -08:00
Stephen Boyd
89f7e9de59 clk: Really fix deadlock with mmap_sem
Commit 6314b6796e (clk: Don't hold prepare_lock across debugfs
creation, 2014-09-04) forgot to update one place where we hold
the prepare_lock while creating debugfs directories. This means
we still have the chance of a deadlock that the commit was trying
to fix. Actually fix it by moving the debugfs creation outside
the prepare_lock.

Cc: <stable@vger.kernel.org> # 3.18
Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Fixes: 6314b6796e "clk: Don't hold prepare_lock across debugfs creation"
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
[mturquette@linaro.org: removed lockdep_assert]
2014-12-15 17:02:06 -08:00
Linus Torvalds
e6b5be2be4 Driver core patches for 3.19-rc1
Here's the set of driver core patches for 3.19-rc1.
 
 They are dominated by the removal of the .owner field in platform
 drivers.  They touch a lot of files, but they are "simple" changes, just
 removing a line in a structure.
 
 Other than that, a few minor driver core and debugfs changes.  There are
 some ath9k patches coming in through this tree that have been acked by
 the wireless maintainers as they relied on the debugfs changes.
 
 Everything has been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core update from Greg KH:
 "Here's the set of driver core patches for 3.19-rc1.

  They are dominated by the removal of the .owner field in platform
  drivers.  They touch a lot of files, but they are "simple" changes,
  just removing a line in a structure.

  Other than that, a few minor driver core and debugfs changes.  There
  are some ath9k patches coming in through this tree that have been
  acked by the wireless maintainers as they relied on the debugfs
  changes.

  Everything has been in linux-next for a while"

* tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (324 commits)
  Revert "ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries"
  fs: debugfs: add forward declaration for struct device type
  firmware class: Deletion of an unnecessary check before the function call "vunmap"
  firmware loader: fix hung task warning dump
  devcoredump: provide a one-way disable function
  device: Add dev_<level>_once variants
  ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries
  ath: use seq_file api for ath9k debugfs files
  debugfs: add helper function to create device related seq_file
  drivers/base: cacheinfo: remove noisy error boot message
  Revert "core: platform: add warning if driver has no owner"
  drivers: base: support cpu cache information interface to userspace via sysfs
  drivers: base: add cpu_device_create to support per-cpu devices
  topology: replace custom attribute macros with standard DEVICE_ATTR*
  cpumask: factor out show_cpumap into separate helper function
  driver core: Fix unbalanced device reference in drivers_probe
  driver core: fix race with userland in device_add()
  sysfs/kernfs: make read requests on pre-alloc files use the buffer.
  sysfs/kernfs: allow attributes to request write buffer be pre-allocated.
  fs: sysfs: return EGBIG on write if offset is larger than file size
  ...
2014-12-14 16:10:09 -08:00
Linus Torvalds
a7cb7bb664 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree update from Jiri Kosina:
 "Usual stuff: documentation updates, printk() fixes, etc"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (24 commits)
  intel_ips: fix a type in error message
  cpufreq: cpufreq-dt: Move newline to end of error message
  ps3rom: fix error return code
  treewide: fix typo in printk and Kconfig
  ARM: dts: bcm63138: change "interupts" to "interrupts"
  Replace mentions of "list_struct" to "list_head"
  kernel: trace: fix printk message
  scsi: mpt2sas: fix ioctl in comment
  zbud, zswap: change module author email
  clocksource: Fix 'clcoksource' typo in comment
  arm: fix wording of "Crotex" in CONFIG_ARCH_EXYNOS3 help
  gpio: msm-v1: make boolean argument more obvious
  usb: Fix typo in usb-serial-simple.c
  PCI: Fix comment typo 'COMFIG_PM_OPS'
  powerpc: Fix comment typo 'CONIFG_8xx'
  powerpc: Fix comment typos 'CONFiG_ALTIVEC'
  clk: st: Spelling s/stucture/structure/
  isci: Spelling s/stucture/structure/
  usb: gadget: zero: Spelling s/infrastucture/infrastructure/
  treewide: Fix company name in module descriptions
  ...
2014-12-12 10:08:06 -08:00
Linus Torvalds
c0222ac086 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle:
 "This is an unusually large pull request for MIPS - in parts because
  lots of patches missed the 3.18 deadline but primarily because some
  folks opened the flood gates.

   - Retire the MIPS-specific phys_t with the generic phys_addr_t.
   - Improvments for the backtrace code used by oprofile.
   - Better backtraces on SMP systems.
   - Cleanups for the Octeon platform code.
   - Cleanups and fixes for the Loongson platform code.
   - Cleanups and fixes to the firmware library.
   - Switch ATH79 platform to use the firmware library.
   - Grand overhault to the SEAD3 and Malta interrupt code.
   - Move the GIC interrupt code to drivers/irqchip
   - Lots of GIC cleanups and updates to the GIC code to use modern IRQ
     infrastructures and features of the kernel.
   - OF documentation updates for the GIC bindings
   - Move GIC clocksource driver to drivers/clocksource
   - Merge GIC clocksource driver with clockevent driver.
   - Further updates to bring the GIC clocksource driver up to date.
   - R3000 TLB code cleanups
   - Improvments to the Loongson 3 platform code.
   - Convert pr_warning to pr_warn.
   - Merge a bunch of small lantiq and ralink fixes that have been
     staged/lingering inside the openwrt tree for a while.
   - Update archhelp for IP22/IP32
   - Fix a number of issues for Loongson 1B.
   - New clocksource and clockevent driver for Loongson 1B.
   - Further work on clk handling for Loongson 1B.
   - Platform work for Broadcom BMIPS.
   - Error handling cleanups for TurboChannel.
   - Fixes and optimization to the microMIPS support.
   - Option to disable the FTLB.
   - Dump more relevant information on machine check exception
   - Change binfmt to allow arch to examine PT_*PROC headers
   - Support for new style FPU register model in O32
   - VDSO randomization.
   - BCM47xx cleanups
   - BCM47xx reimplement the way the kernel accesses NVRAM information.
   - Random cleanups
   - Add support for ATH25 platforms
   - Remove pointless locking code in some PCI platforms.
   - Some improvments to EVA support
   - Minor Alchemy cleanup"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (185 commits)
  MIPS: Add MFHC0 and MTHC0 instructions to uasm.
  MIPS: Cosmetic cleanups of page table headers.
  MIPS: Add CP0 macros for extended EntryLo registers
  MIPS: Remove now unused definition of phys_t.
  MIPS: Replace use of phys_t with phys_addr_t.
  MIPS: Replace MIPS-specific 64BIT_PHYS_ADDR with generic PHYS_ADDR_T_64BIT
  PCMCIA: Alchemy Don't select 64BIT_PHYS_ADDR in Kconfig.
  MIPS: lib: memset: Clean up some MIPS{EL,EB} ifdefery
  MIPS: iomap: Use __mem_{read,write}{b,w,l} for MMIO
  MIPS: <asm/types.h> fix indentation.
  MAINTAINERS: Add entry for BMIPS multiplatform kernel
  MIPS: Enable VDSO randomization
  MIPS: Remove a temporary hack for debugging cache flushes in SMTC configuration
  MIPS: Remove declaration of obsolete arch_init_clk_ops()
  MIPS: atomic.h: Reformat to fit in 79 columns
  MIPS: Apply `.insn' to fixup labels throughout
  MIPS: Fix microMIPS LL/SC immediate offsets
  MIPS: Kconfig: Only allow 32-bit microMIPS builds
  MIPS: signal.c: Fix an invalid cast in ISA mode bit handling
  MIPS: mm: Only build one microassembler that is suitable
  ...
2014-12-11 17:56:37 -08:00
Michael Turquette
c9b928148e - exynos4415 and exynos audio subsystem clk driver (build
with PM_SLEEP disabled, resource release) fixes
 - minor cleanups in drivers/clk/samsung/clk.c (spelling,
   includes)
 - modification of the exynos4 HDMI PHY clock definition to
   model dependency of "sclk_hdmiphy" on the "hdmi" clock
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Merge tag 'for-v3.19-exynos-clk-2' of git://linuxtv.org/snawrocki/samsung into clk-next

- exynos4415 and exynos audio subsystem clk driver (build
  with PM_SLEEP disabled, resource release) fixes
- minor cleanups in drivers/clk/samsung/clk.c (spelling,
  includes)
- modification of the exynos4 HDMI PHY clock definition to
  model dependency of "sclk_hdmiphy" on the "hdmi" clock
2014-12-11 12:17:15 -08:00
Wei Yongjun
74fc23aa40 clk: mmp: fix sparse non static symbol warning
Fixes the following sparse warnings:

drivers/clk/mmp/clk-frac.c:113:6: warning:
 symbol 'clk_factor_init' was not declared. Should it be static?

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2014-12-11 12:14:09 -08:00
Linus Torvalds
3a647c1d7a ARM: SoC driver updates for 3.19
These are changes for drivers that are intimately tied to some SoC
 and for some reason could not get merged through the respective
 subsystem maintainer tree.
 
 The largest single change here this time around is the Tegra
 iommu/memory controller driver, which gets updated to the new
 iommu DT binding. More drivers like this are likely to follow
 for the following merge window, but we should be able to do
 those through the iommu maintainer.
 
 Other notable changes are:
 * reset controller drivers from the reset maintainer (socfpga, sti, berlin)
 * fixes for the keystone navigator driver merged last time
 * at91 rtc driver changes related to the at91 cleanups
 * ARM perf driver changes from Will Deacon
 * updates for the brcmstb_gisb driver
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Merge tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "These are changes for drivers that are intimately tied to some SoC and
  for some reason could not get merged through the respective subsystem
  maintainer tree.

  The largest single change here this time around is the Tegra
  iommu/memory controller driver, which gets updated to the new iommu DT
  binding.  More drivers like this are likely to follow for the
  following merge window, but we should be able to do those through the
  iommu maintainer.

  Other notable changes are:
   - reset controller drivers from the reset maintainer (socfpga, sti,
     berlin)
   - fixes for the keystone navigator driver merged last time
   - at91 rtc driver changes related to the at91 cleanups
   - ARM perf driver changes from Will Deacon
   - updates for the brcmstb_gisb driver"

* tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (53 commits)
  clocksource: arch_timer: Allow the device tree to specify uninitialized timer registers
  clocksource: arch_timer: Fix code to use physical timers when requested
  memory: Add NVIDIA Tegra memory controller support
  bus: brcmstb_gisb: Add register offset tables for older chips
  bus: brcmstb_gisb: Look up register offsets in a table
  bus: brcmstb_gisb: Introduce wrapper functions for MMIO accesses
  bus: brcmstb_gisb: Make the driver buildable on MIPS
  of: Add NVIDIA Tegra memory controller binding
  ARM: tegra: Move AHB Kconfig to drivers/amba
  amba: Add Kconfig file
  clk: tegra: Implement memory-controller clock
  serial: samsung: Fix serial config dependencies for exynos7
  bus: brcmstb_gisb: resolve section mismatch
  ARM: common: edma: edma_pm_resume may be unused
  ARM: common: edma: add suspend resume hook
  powerpc/iommu: Rename iommu_[un]map_sg functions
  rtc: at91sam9: add DT bindings documentation
  rtc: at91sam9: use clk API instead of relying on AT91_SLOW_CLOCK
  ARM: at91: add clk_lookup entry for RTT devices
  rtc: at91sam9: rework the Kconfig description
  ...
2014-12-09 14:48:22 -08:00
Linus Torvalds
6cd94d5e57 ARM: SoC platform changes for 3.19
New and updated SoC support, notable changes include:
 
 * bcm: brcmstb SMP support
 * bcm: initial iproc/cygnus support
 * exynos: Exynos4415 SoC support
 * exynos: PMU and suspend support for Exynos5420
 * exynos: PMU support for Exynos3250
 * exynos: pm related maintenance
 * imx: new LS1021A SoC support
 * imx: vybrid 610 global timer support
 * integrator: convert to using multiplatform configuration
 * mediatek: earlyprintk support for mt8127/mt8135
 * meson: meson8 soc and l2 cache controller support
 * mvebu: Armada 38x CPU hotplug support
 * mvebu: drop support for prerelease Armada 375 Z1 stepping
 * mvebu: extended suspend support, now works on Armada 370/XP
 * omap: hwmod related maintenance
 * omap: prcm cleanup
 * pxa: initial pxa27x DT handling
 * rockchip: SMP support for rk3288
 * rockchip: add cpu frequency scaling support
 * shmobile: r8a7740 power domain support
 * shmobile: various small restart, timer, pci apmu changes
 * sunxi: Allwinner A80 (sun9i) earlyprintk support
 * ux500: power domain support
 
 Overall, a significant chunk of changes, coming mostly from
 the usual suspects: omap, shmobile, samsung and mvebu, all of
 which already contain a lot of platform specific code in
 arch/arm.
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Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform changes from Arnd Bergmann:
 "New and updated SoC support, notable changes include:

   - bcm:
        brcmstb SMP support
        initial iproc/cygnus support
   - exynos:
        Exynos4415 SoC support
        PMU and suspend support for Exynos5420
        PMU support for Exynos3250
        pm related maintenance
   - imx:
        new LS1021A SoC support
        vybrid 610 global timer support
   - integrator:
        convert to using multiplatform configuration
   - mediatek:
        earlyprintk support for mt8127/mt8135
   - meson:
        meson8 soc and l2 cache controller support
   - mvebu:
        Armada 38x CPU hotplug support
        drop support for prerelease Armada 375 Z1 stepping
        extended suspend support, now works on Armada 370/XP
   - omap:
        hwmod related maintenance
        prcm cleanup
   - pxa:
        initial pxa27x DT handling
   - rockchip:
        SMP support for rk3288
        add cpu frequency scaling support
   - shmobile:
        r8a7740 power domain support
        various small restart, timer, pci apmu changes
   - sunxi:
        Allwinner A80 (sun9i) earlyprintk support
   - ux500:
        power domain support

  Overall, a significant chunk of changes, coming mostly from the usual
  suspects: omap, shmobile, samsung and mvebu, all of which already
  contain a lot of platform specific code in arch/arm"

* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (187 commits)
  ARM: mvebu: use the cpufreq-dt platform_data for independent clocks
  soc: integrator: Add terminating entry for integrator_cm_match
  ARM: mvebu: add SDRAM controller description for Armada XP
  ARM: mvebu: adjust mbus controller description on Armada 370/XP
  ARM: mvebu: add suspend/resume DT information for Armada XP GP
  ARM: mvebu: synchronize secondary CPU clocks on resume
  ARM: mvebu: make sure MMU is disabled in armada_370_xp_cpu_resume
  ARM: mvebu: Armada XP GP specific suspend/resume code
  ARM: mvebu: reserve the first 10 KB of each memory bank for suspend/resume
  ARM: mvebu: implement suspend/resume support for Armada XP
  clk: mvebu: add suspend/resume for gatable clocks
  bus: mvebu-mbus: provide a mechanism to save SDRAM window configuration
  bus: mvebu-mbus: suspend/resume support
  clocksource: time-armada-370-xp: add suspend/resume support
  irqchip: armada-370-xp: Add suspend/resume support
  ARM: add lolevel debug support for asm9260
  ARM: add mach-asm9260
  ARM: EXYNOS: use u8 for val[] in struct exynos_pmu_conf
  power: reset: imx-snvs-poweroff: add power off driver for i.mx6
  ARM: imx: temporarily remove CONFIG_SOC_FSL from LS1021A
  ...
2014-12-09 14:38:28 -08:00
Linus Torvalds
6c9e92476b ARM: SoC cleanups for 3.19
The remaining cleanups for 3.19 are to a large part result of
 devicetree conversion nearing completion on two other platforms
 besides AT91:
 
 * Like AT91, Renesas shmobile is in the process to migrate to DT and
   multiplatform, but using a different approach of doing it one
   SoC at a time. For 3.19, the r8a7791 platform and associated\
   "Koelsch" board are considered complete and we remove the non-DT
   non-multiplatform support for this.
 
 * The ARM Versatile Express has supported DT and multiplatform
   for a long time, but we have still kept the legacy board files
   around, because not all drivers were fully working before. We
   have finally taken the last step to remove the board files.
 
 Other changes in this branch are preparation for the later branches
 or just unrelated to the more interesting changes:
 * The dts files for arm64 get moved into per-vendor directories for
   a clearer structure.
 * Some dead code removal (zynq, exynos, davinci, imx)
 * Using pr_*() macros more consistently instead of printk(KERN_*)
   in some platform code.
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Merge tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Arnd Bergmann:
 "The remaining cleanups for 3.19 are to a large part result of
  devicetree conversion nearing completion on two other platforms
  besides AT91:

   - Like AT91, Renesas shmobile is in the process to migrate to DT and
     multiplatform, but using a different approach of doing it one SoC
     at a time.  For 3.19, the r8a7791 platform and associated "Koelsch"
     board are considered complete and we remove the non-DT
     non-multiplatform support for this.

   - The ARM Versatile Express has supported DT and multiplatform for a
     long time, but we have still kept the legacy board files around,
     because not all drivers were fully working before.  We have finally
     taken the last step to remove the board files.

  Other changes in this branch are preparation for the later branches or
  just unrelated to the more interesting changes:

   - The dts files for arm64 get moved into per-vendor directories for a
     clearer structure.

   - Some dead code removal (zynq, exynos, davinci, imx)

   - Using pr_*() macros more consistently instead of printk(KERN_*) in
     some platform code"

* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (71 commits)
  ARM: zynq: Remove secondary_startup() declaration from header
  ARM: vexpress: Enable regulator framework when MMCI is in use
  ARM: vexpress: Remove non-DT code
  ARM: imx: Remove unneeded .map_io initialization
  ARM: dts: imx6qdl-sabresd: Fix the microphone route
  ARM: imx: refactor mxc_iomux_mode()
  ARM: imx: simplify clk_pllv3_prepare()
  ARM: imx6q: drop unnecessary semicolon
  ARM: imx: clean up machine mxc_arch_reset_init_dt reset init
  ARM: dts: imx6qdl-rex: Remove unneeded 'fsl,mode' property
  ARM: dts: imx6qdl-gw5x: Remove unneeded 'fsl,mode' property
  ARM: dts: imx6qdl-sabresd: Use IMX6QDL_CLK_CKO define
  ARM: at91: remove useless init_time for DT-only SoCs
  ARM: davinci: Remove redundant casts
  ARM: davinci: Use standard logging styles
  ARM: shmobile: r8a7779: Spelling/grammar s/entity/identity/, s/map/mapping/
  ARM: shmobile: sh7372: Spelling/grammar s/entity map/identity mapping/
  ARM: shmobile: sh73a0: Spelling/grammar s/entity map/identity mapping/
  ARM: EXYNOS: Remove unused static iomapping
  ARM: at91: fix build breakage due to legacy board removals
  ...
2014-12-09 14:18:35 -08:00
Linus Torvalds
3a7dbed7f2 Hi Linus,
Changes to the core:
  - Honour PLATFORM_DEVID_NONE and PLATFORM_DEVID_AUTO dev IDs
 
 Changes to existing drivers:
  - IRQ additions/fixes; axp20x, da9063-core
  - Code simplification; i2c-dln2
  - Regmap additions/fixes; max77693
  - Error checking/handling improvements; dln2, db8500-prcmu
  - Bug fixes; dln2, wm8350-core
  - DT support/documentation; max77693, max77686, tps65217, twl4030-power,
                              gpio-tc3589x
  - Decouple syscon interface from platform devices
  - Use MFD hotplug registration; rtsx_usb, viperboard, hid-sensor-hub
  - Regulator fixups; sec-core
  - Power Management additions/fixes; rts5227, tc6393xb
  - Remove relic/redundant code; ab8500-sysctrl, lpc_sch, max77693-private
  - Clean-up/coding style changes; tps65090
  - Clk additions/fixes; tc6393xb, tc6387xb, t7l66xb
  - Add USB-SPI support; dln2
  - Trivial changes; max14577, arizona-spi, lpc_sch, wm8997-tables, wm5102-tables
                     wm5110-tables, axp20x, atmel-hlcdc, rtsx_pci
 
 New drivers/supported devices:
  - axp288 PMIC support added to axp20x
  - s2mps13 support added to sec-core
  - New support for Diolan DLN-2
  - New support for atmel-hlcdc
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Merge tag 'mfd-for-linus-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Changes to the core:
   - Honour PLATFORM_DEVID_NONE and PLATFORM_DEVID_AUTO dev IDs

  Changes to existing drivers:
   - IRQ additions/fixes; axp20x, da9063-core
   - Code simplification; i2c-dln2
   - Regmap additions/fixes; max77693
   - Error checking/handling improvements; dln2, db8500-prcmu
   - Bug fixes; dln2, wm8350-core
   - DT support/documentation; max77693, max77686, tps65217, twl4030-power,
                               gpio-tc3589x
   - Decouple syscon interface from platform devices
   - Use MFD hotplug registration; rtsx_usb, viperboard, hid-sensor-hub
   - Regulator fixups; sec-core
   - Power Management additions/fixes; rts5227, tc6393xb
   - Remove relic/redundant code; ab8500-sysctrl, lpc_sch, max77693-private
   - Clean-up/coding style changes; tps65090
   - Clk additions/fixes; tc6393xb, tc6387xb, t7l66xb
   - Add USB-SPI support; dln2
   - Trivial changes; max14577, arizona-spi, lpc_sch, wm8997-tables, wm5102-tables
                      wm5110-tables, axp20x, atmel-hlcdc, rtsx_pci

  New drivers/supported devices:
   - axp288 PMIC support added to axp20x
   - s2mps13 support added to sec-core
   - New support for Diolan DLN-2
   - New support for atmel-hlcdc"

* tag 'mfd-for-linus-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (55 commits)
  mfd: rtsx: Add func to split u32 into register
  mfd: atmel-hlcdc: Add Kconfig option description and name
  mfd: da9063: Get irq base dynamically before registering device
  mfd: max14577: Fix obvious typo in company name in copyright
  mfd: axp20x: Constify axp20x_acpi_match and rid unused warning
  mfd: t7l66xb: prepare/unprepare clocks
  mfd: tc6387xb: prepare/unprepare clocks
  mfd: dln2: add support for USB-SPI module
  mfd: wm5110: Add missing registers for AIF2 channels 3-6
  mfd: tc3589x: get rid of static base
  mfd: arizona: Document HP_CTRL_1L and HP_CTRL_1R registers
  mfd: wm8997: Mark INTERRUPT_STATUS_2_MASK as readable
  mfd: tc6393xb: Prepare/unprepare clocks
  mfd: tps65090: Fix bonkers indenting strategy
  mfd: tc6393xb: Fail ohci suspend if full state restore is required
  mfd: lpc_sch: Don't call mfd_remove_devices()
  mfd: wm8350-core: Fix probable mask then right shift defect
  mfd: ab8500-sysctrl: Drop ab8500_restart
  mfd: db8500-prcmu: Provide sane error path values
  mfd: db8500-prcmu: Check return of devm_ioremap for error
  ...
2014-12-08 20:02:54 -08:00
Arnd Bergmann
ab64920c37 mvebu SoC suspend changes for v3.19
- Armada 370/XP suspend/resume support
 
  - mvebu SoC driver suspend/resume support
     - irqchip
     - clocksource
     - mbus
     - clk
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Merge tag 'mvebu-soc-suspend-3.19' of git://git.infradead.org/linux-mvebu into next/soc

Pull "mvebu SoC suspend changes for v3.19" from Jason Cooper:

 - Armada 370/XP suspend/resume support

 - mvebu SoC driver suspend/resume support
    - irqchip
    - clocksource
    - mbus
    - clk

* tag 'mvebu-soc-suspend-3.19' of git://git.infradead.org/linux-mvebu:
  ARM: mvebu: add SDRAM controller description for Armada XP
  ARM: mvebu: adjust mbus controller description on Armada 370/XP
  ARM: mvebu: add suspend/resume DT information for Armada XP GP
  ARM: mvebu: synchronize secondary CPU clocks on resume
  ARM: mvebu: make sure MMU is disabled in armada_370_xp_cpu_resume
  ARM: mvebu: Armada XP GP specific suspend/resume code
  ARM: mvebu: reserve the first 10 KB of each memory bank for suspend/resume
  ARM: mvebu: implement suspend/resume support for Armada XP
  clk: mvebu: add suspend/resume for gatable clocks
  bus: mvebu-mbus: provide a mechanism to save SDRAM window configuration
  bus: mvebu-mbus: suspend/resume support
  clocksource: time-armada-370-xp: add suspend/resume support
  irqchip: armada-370-xp: Add suspend/resume support
  Documentation: dt-bindings: minimal documentation for MVEBU SDRAM controller

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-12-04 16:46:43 +01:00
Tomeu Vizoso
646cafc6aa clk: Change clk_ops->determine_rate to return a clk_hw as the best parent
This is in preparation for clock providers to not have to deal with struct clk.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2014-12-03 16:21:37 -08:00
Tomeu Vizoso
61c7cddfad clk: change clk_debugfs_add_file to take a struct clk_hw
Instead of struct clk, as this should be only used by providers.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2014-12-03 15:15:35 -08:00
Tomeu Vizoso
920f1c7472 clk: Don't expose __clk_get_accuracy
As it's only used internally, in drivers/clk/clk.c.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2014-12-03 15:15:34 -08:00
Tomeu Vizoso
10cdfe54da clk: Don't try to use a struct clk* after it could have been freed
As __clk_release could call kfree on clk and then we wouldn't have a safe way
of getting the module that owns the clock.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Fixes: fcb0ee6a3d ("clk: Implement clk_unregister")
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2014-12-03 15:15:34 -08:00
Tomeu Vizoso
4afbe1760d clk: Remove unused function __clk_get_prepare_count
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2014-12-03 15:15:34 -08:00
Krzysztof Kozlowski
c31844ffdb clk: samsung: Fix double add of syscore ops after driver rebind
During driver unbind the syscore ops were not unregistered which lead to
double add on syscore list:

$ echo "3810000.audss-clock-controller" > /sys/bus/platform/drivers/exynos-audss-clk/unbind
$ echo "3810000.audss-clock-controller" > /sys/bus/platform/drivers/exynos-audss-clk/bind
[ 1463.044061] ------------[ cut here ]------------
[ 1463.047255] WARNING: CPU: 0 PID: 1 at lib/list_debug.c:36 __list_add+0x8c/0xc0()
[ 1463.054613] list_add double add: new=c06e52c0, prev=c06e52c0, next=c06d5f84.
[ 1463.061625] Modules linked in:
[ 1463.064623] CPU: 0 PID: 1 Comm: bash Tainted: G        W      3.18.0-rc5-next-20141121-00005-ga8fab06eab42-dirty #1022
[ 1463.075338] [<c0014e2c>] (unwind_backtrace) from [<c0011d80>] (show_stack+0x10/0x14)
[ 1463.083046] [<c0011d80>] (show_stack) from [<c048bb70>] (dump_stack+0x70/0xbc)
[ 1463.090236] [<c048bb70>] (dump_stack) from [<c00233d4>] (warn_slowpath_common+0x74/0xb0)
[ 1463.098295] [<c00233d4>] (warn_slowpath_common) from [<c00234a4>] (warn_slowpath_fmt+0x30/0x40)
[ 1463.106962] [<c00234a4>] (warn_slowpath_fmt) from [<c020fe80>] (__list_add+0x8c/0xc0)
[ 1463.114760] [<c020fe80>] (__list_add) from [<c0282094>] (register_syscore_ops+0x30/0x3c)
[ 1463.122819] [<c0282094>] (register_syscore_ops) from [<c0392f20>] (exynos_audss_clk_probe+0x36c/0x460)
[ 1463.132091] [<c0392f20>] (exynos_audss_clk_probe) from [<c0283084>] (platform_drv_probe+0x48/0xa4)
[ 1463.141013] [<c0283084>] (platform_drv_probe) from [<c0281a14>] (driver_probe_device+0x13c/0x37c)
[ 1463.149852] [<c0281a14>] (driver_probe_device) from [<c0280560>] (bind_store+0x90/0xe0)
[ 1463.157822] [<c0280560>] (bind_store) from [<c027fd10>] (drv_attr_store+0x20/0x2c)
[ 1463.165363] [<c027fd10>] (drv_attr_store) from [<c0143898>] (sysfs_kf_write+0x4c/0x50)
[ 1463.173252] [<c0143898>] (sysfs_kf_write) from [<c0142c80>] (kernfs_fop_write+0xbc/0x198)
[ 1463.181395] [<c0142c80>] (kernfs_fop_write) from [<c00e2be0>] (vfs_write+0xa0/0x1a8)
[ 1463.189104] [<c00e2be0>] (vfs_write) from [<c00e2f00>] (SyS_write+0x40/0x8c)
[ 1463.196122] [<c00e2f00>] (SyS_write) from [<c000f2a0>] (ret_fast_syscall+0x0/0x48)
[ 1463.203655] ---[ end trace 08f6710c9bc8d8f3 ]---
[ 1463.208244] exynos-audss-clk 3810000.audss-clock-controller: setup completed

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Fixes: 1241ef94cc ("clk: samsung: register audio subsystem clocks using common clock framework")
Cc: <stable@vger.kernel.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2014-12-02 16:22:59 +01:00
Andrzej Hajda
df019a5c0f clk: samsung: exynos4: set parent of sclk_hdmiphy to hdmi
sclk_hdmiphy clock is generated by HDMI-PHY and depends on hdmi gate clock.
The patch models this dependency using parent/child hirerarchy.

The patch fixes issue with system hangs during mixer device access, mixer uses
sclk_hdmiphy descendant clock.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2014-12-02 16:22:58 +01:00
Krzysztof Kozlowski
b5f56e14c1 clk: samsung: exynos4415: Fix build with PM_SLEEP disabled
Fix following build errors when PM_SLEEP is disabled (e.g. by disabling
SUSPEND and HIBERNATION):

drivers/clk/samsung/clk-exynos4415.c: In function ‘exynos4415_cmu_init’:
drivers/clk/samsung/clk-exynos4415.c:982:2: error: ‘exynos4415_ctx’ undeclared (first use in this function)
drivers/clk/samsung/clk-exynos4415.c:982:2: note: each undeclared identifier is reported only once for each function it appears in
drivers/clk/samsung/clk-exynos4415.c: In function ‘exynos4415_cmu_dmc_init’:
drivers/clk/samsung/clk-exynos4415.c:1123:2: error: ‘exynos4415_dmc_ctx’ undeclared (first use in this function)
make[3]: *** [drivers/clk/samsung/clk-exynos4415.o] Error 1

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2014-12-02 16:22:58 +01:00
Pankaj Dubey
8b2f63606a clk: samsung: remove unnecessary inclusion of header files from clk.h
Let's remove unnecessary include of header files from clk.h and add
required one in clk.c

Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
[s.nawrocki@samsung.com: dropped removal of '#include <linux/syscore_ops.h>']
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2014-12-02 16:21:37 +01:00
Pankaj Dubey
7882857e98 clk: samsung: remove unnecessary CONFIG_OF from clk.c
Remove unnecessary CONFIG_OF from samsung/clk.c.

Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2014-12-02 12:28:24 +01:00
Pankaj Dubey
2e41b9fc11 clk: samsung: Spelling s/bwtween/between/
Fix a typo in comment section of "struct samsung_clk_provider".

Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2014-12-02 12:28:20 +01:00
Thomas Petazzoni
f571053152 clk: mvebu: add suspend/resume for gatable clocks
This commit adds suspend/resume support for the gatable clock driver
used on Marvell EBU platforms. When getting out of suspend, the
Marvell EBU platforms go through the bootloader, which re-enables all
gatable clocks. However, upon resume, the clock framework will not
disable again all gatable clocks that are not used.

Therefore, if the clock driver does not save/restore the state of the
gatable clocks, all gatable clocks that are not claimed by any device
driver will remain enabled after a resume. This is why this driver
saves and restores the state of those clocks.

Since clocks aren't real devices, we don't have the normal ->suspend()
and ->resume() of the device model, and have to use the ->suspend()
and ->resume() hooks of the syscore_ops mechanism. This mechanism has
the unfortunate idea of not providing a way of passing private data,
which requires us to change the driver to make the assumption that
there is only once instance of the gatable clock control structure.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Mike Turquette <mturquette@linaro.org>
Cc: linux-kernel@vger.kernel.org
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Link: https://lkml.kernel.org/r/1416585613-2113-9-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-11-30 16:40:12 +00:00
Michael Turquette
ffa3a37a61 Immutable branch between MFD, Regulator and Clk, due for v3.19
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Merge tag 'ib-mfd-regulator-clk-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into clk-next

Immutable branch between MFD, Regulator and Clk, due for v3.19
2014-11-28 21:11:10 -08:00
Michael Turquette
b572b5f821 - clock phase setting capability for the rk3288 mmc clocks
- pll init to allow syncing to actual rate table values
 - some more exported clocks
 - fixes for some clocks (typos etc) all of them not yet used
   in actual drivers
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Merge tag 'v3.19-rockchip-clk2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into clk-next

- clock phase setting capability for the rk3288 mmc clocks
- pll init to allow syncing to actual rate table values
- some more exported clocks
- fixes for some clocks (typos etc) all of them not yet used
  in actual drivers
2014-11-28 21:00:16 -08:00
Pawel Moll
81cc3f868d ARM: vexpress: Remove non-DT code
Now, with the CLCD DT support available, there is no
more reason to keep the non-DT support for V2P-CA9.

Removed, together with "some" supporting code. It was
necessary to make PLAT_VERSATILE_SCHED_CLOCK optional
and selected by the machines still interested in it.

Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 16:08:16 +01:00
Arnd Bergmann
09ffd948a0 Samsung PM 3rd updates for v3.19
- exynos3250
   : add PMU support
 
 - PMU refactoring
   : move restart code into PMU driver
   : move restart code for exynos440 into clk driver
 
 - use u8 for val[] in struct exynos_pmu_conf
 
 Note that this branch is based on tags/samsung-exynos-v3.19
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Merge tag 'samsung-pm-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc

Pull "Samsung PM 3rd updates for v3.19" from Kukjin Kim:

- exynos3250
  : add PMU support

- PMU refactoring
  : move restart code into PMU driver
  : move restart code for exynos440 into clk driver

- use u8 for val[] in struct exynos_pmu_conf

Note that this branch is based on tags/samsung-exynos-v3.19

* tag 'samsung-pm-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: use u8 for val[] in struct exynos_pmu_conf
  ARM: EXYNOS: move restart code into pmu driver
  clk: exynos5440: move restart code into clock driver
  ARM: EXYNOS: add exynos3250 PMU support

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-11-28 13:21:28 +01:00
Alexandru M Stan
89bf26cbc1 clk: rockchip: Add support for the mmc clock phases using the framework
This patch adds the 2 physical clocks for the mmc (drive and sample). They're
mostly there for the phase properties, but they also show the true clock
(by dividing by RK3288_MMC_CLKGEN_DIV).

The drive and sample phases are generated by dividing an upstream parent clock
by 2, this allows us to adjust the phase by 90 deg.

There's also an option to have up to 255 delay elements (40-80 picoseconds long).
This driver uses those elements (under the assumption that they're 60 ps long)
to generate approximate 22.5 degrees options. 67.5 (22.5*3) might be as high as
90 deg if the delay elements are as big as 80 ps, so a finer division (smaller
than 22.5) was not picked because the phase might not be monotonic anymore.

Suggested-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Alexandru M Stan <amstan@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2014-11-28 00:44:24 +01:00
Sonny Rao
6d288b169b clk: rockchip: rk3288 export i2s0_clkout for use in DT
This exposes the clock that comes out of the i2s block which generally
goes to the audio codec.

Signed-off-by: Sonny Rao <sonnyrao@chromium.org>
[removed CLK_SET_RATE_PARENT from original patch]
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2014-11-28 00:37:47 +01:00
Jeff Chen
a72da7c166 clk: rockchip: use clock ID for DMC (memory controller) on rk3288
The DMC clocks need to be turned off at runtime.  Use the newly
assigned clock IDs to export them.

Signed-off-by: Jeff Chen <cym@rock-chips.com>
[dianders: split into two patches; adjusted commit msg]
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2014-11-26 18:32:28 +01:00
Thierry Reding
4f4f85fa0b clk: tegra: Implement memory-controller clock
The memory controller clock runs either at half or the same frequency as
the EMC clock.

Reviewed-By: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-11-26 09:43:23 +01:00
kbuild test robot
250d07d1e7 clk: clk-s2mps11: fix semicolon.cocci warnings
drivers/clk/clk-s2mps11.c:181:2-3: Unneeded semicolon

 Removes unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci

CC: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2014-11-25 17:27:41 -08:00
Chanwoo Choi
f928b53d74 clk: s2mps11: Add the support for S2MPS13 PMIC clock
This patch adds the support for S2MPS13 PMIC clock which is same with existing
S2MPS14 RTC IP. But, S2MPS13 uses all of clocks (32khz_{ap|bt|cp}).

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Michael Turquette <mturquette@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-11-25 15:55:11 +00:00
Heiko Stuebner
dd79c0bea7 clk: rockchip: add ROCKCHIP_PLL_SYNC_RATE flag to some plls
Add the new flag to gpll and cpll on rk3188 and similar and to
gpll, cpll and npll on rk3288.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
2014-11-25 09:57:22 +01:00
Heiko Stuebner
0bb66d3b6e clk: rockchip: add optional sync to pll rate parameters
In some cases firmware brings up plls with different parameters than the ones
noted in the rate table for the specific frequency. These firmware-selected
parameters are worse than the tested ones in the pll rate tables but cannot
be changed by a simple clk_set_rate call when the rate stays the same.

Therefore add a ROCKCHIP_PLL_SYNC_RATE flag and implement an init callback
that checks the runtime-parameters against the matching rate table entry
and adjusts them to the table-ones if necessary.

If no rate table is set or the current rate does not match any rate-table
entry no changes are made.

Being able to limit this adjustment to specific plls is necessary to not
touch the ones supplying core components like the apll and dpll supplying
the armcores and dram.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
2014-11-25 09:57:18 +01:00
Heiko Stuebner
d0e7a0ca4b clk: rockchip: setup pll_mux data earlier
In some cases we might need to access the data of the pll mux before the actual
mux gets registered - like in the following patch adding an init-callback.

Therefore populate pll_mux before registering the core pll-clock.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
2014-11-25 09:57:13 +01:00
Heiko Stuebner
4f8a7c549f clk: rockchip: add ability to specify pll-specific flags
This adds a flag parameter to plls that allows us to create
special flags to tweak the behaviour of the plls if necessary.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
2014-11-25 09:57:07 +01:00
Michael Turquette
b082915c9d Allwinner Clocks additions for 3.19
A few patches that should go through the clock tree, mostly fixes, cleanups,
 and new clocks additions to start to support the A80.
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Merge tag 'sunxi-clocks-for-3.19' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into clk-next

Allwinner Clocks additions for 3.19

A few patches that should go through the clock tree, mostly fixes, cleanups,
and new clocks additions to start to support the A80.
2014-11-24 18:08:53 -08:00
Michael Turquette
da57b46010 Merge branch 'clk-fixes' into clk-next 2014-11-24 17:45:33 -08:00
Kelvin Cheung
3526f74fa9 clk: ls1x: Update relationship among all clocks
- Add clock lookups for APB devices.
 - Update clock relationship to make it more exact and clear.
                                 _____
         _______________________|     |
 OSC ___/                       | MUX |___ XXX CLK
        \___ PLL ___ XXX DIV ___|     |
                                |_____|

Signed-off-by: Kelvin Cheung <keguang.zhang@gmail.com>
Cc: linux-kernel@vger.kernel.org
Cc: mturquette@linaro.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8026/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-11-24 07:45:09 +01:00
Hans de Goede
c1ec516030 clk: sunxi: gmac-tx-clk mux is not a CLK_MUX_INDEX_BIT mux
A CLK_MUX_INDEX_BIT mux has one bit per parent, but the sun7i-a20-gmac-clk
has 2 bits selecting between 3 possible parents using values of 0, 1, 2,
which makes it a regular mux which should not have CLK_MUX_INDEX_BIT set in
its flag.

However we do not support parent 1 (an external clock), so use a table to
select parent 0 or 2, which are the 2 parents we support.

Note this has not been causing any issues sofar, because we start with a
parent setting of parent 0, and only ever re-parent to parent 2 (for which
we use an index of 1 as we skip parent 1) and with CLK_MUX_INDEX_BIT set
we write a value of 2 for index 1.

Tested on both a cubietruck (which uses rgmii mode) as well as a cs908
(an a31s board which uses mii mode).

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2014-11-23 17:02:57 +01:00
Chen-Yu Tsai
95e94c1fad clk: sunxi: Implement A31 PLL6 as a divs clock for 2x output
Some clock modules on the A31 use PLL6x2 as one of their inputs.
This patch changes the PLL6 implementation for A31 to a divs clock,
i.e. clock with multiple outputs that have different dividers.
The first output will be the normal PLL6 output, and the second
will be PLL6x2.

This patch fixes the PLL6 N factor in the clock driver, and removes
any /2 dividers in the PLL6 factors clock part. The N factor counts
from 1 to 32, mapping to values 0 to 31, as shown in the A31 manual.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2014-11-23 17:02:56 +01:00
Chen-Yu Tsai
13d52f6106 clk: sunxi: Specify number of child clocks for divs clocks
Currently sunxi_divs_clk_setup assumes the number of child clocks
to be the same as the number of clock-output-names, and a maximum
of SUNXI_DIVS_MAX_QTY child clocks.

On sun6i, PLL6 only has 1 child clock, but the parent would be used
as well, thereby also having it's own clock-output-names entry. This
results in an extra bogus clock being registered.

This patch adds an entry for the number of child clocks alongside
the data structures for them.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2014-11-23 17:02:56 +01:00
Chen-Yu Tsai
eaa2e9804e clk: sunxi: Removed unused/incorrect sun6i-a31-apb2-clk driver
This driver does not match the hardware, which is actually compatible
to sun4i-a10-apb1-clk. Since we've switch to the correct one, drop
this driver.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2014-11-23 17:02:56 +01:00
Julien CHAUVEAU
12c0a0e81e clk: rockchip: fix rk3188 USB HSIC PHY clock divider
The USB HSIC PHY clock divider is set in the register RK2928_CLKSEL_CON(11).

Signed-off-by: Julien CHAUVEAU <julien.chauveau@neo-technologies.fr>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2014-11-23 01:55:14 +01:00
Julien CHAUVEAU
b7bdb7f45e clk: rockchip: fix clock gate for rk3188 spdif_pre
In rk3188 clock branches, spdif_pre gate was set to RK2928_CLKGATE_CON(13) bit 13.
This appears to be a copy-paste error because such a register does not exist.
We correct it to RK2928_CLKGATE_CON(0) and find out that the rk3188 spdif clock
is the same as the rk3066 spdif clock, so we move it to the common clock branches.

Signed-off-by: Julien CHAUVEAU <julien.chauveau@neo-technologies.fr>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2014-11-23 00:39:57 +01:00
Pankaj Dubey
5e6473f422 clk: exynos5440: move restart code into clock driver
Let's register restart handler for Exynos5440 from it's clock driver
for restart functionality. So that we can cleanup restart hooks from
machine specific file.

CC: Sylwester Nawrocki <s.nawrocki@samsung.com>
CC: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-11-22 23:07:21 +09:00