5264 Commits

Author SHA1 Message Date
Stephen Boyd
139054634b Merge branches 'clk-imx-critical', 'clk-tegra-bpmp', 'clk-tegra-124', 'clk-tegra-critical' and 'clk-tegra-emc-oob' into clk-next
* clk-imx-critical:
  :  - Convert to CLK_IS_CRITICAL for i.MX51/53 driver
  clk: imx51-imx53: Include sizes.h to silence compile errors
  clk: imx51-imx53: Annotate critical clocks as CLK_IS_CRITICAL

* clk-tegra-bpmp:
  :  - Fix Tegra BPMP driver oops when some xlating a NULL clk
  clk: tegra: bpmp: Don't crash when a clock fails to register

* clk-tegra-124:
  :  - Proper default configuration for vic03 and vde clks on Tegra124
  clk: tegra: Make vde a child of pll_c3
  clk: tegra: Make vic03 a child of pll_c3

* clk-tegra-critical:
  :  - Mark Tegra memory controller clks as critical
  clk: tegra: Mark Memory Controller clock as critical

* clk-tegra-emc-oob:
  :  - Fix array bounds clamp in Tegra's emc determine_rate() op
  clk: tegra: emc: Avoid out-of-bounds bug
2018-08-14 22:58:42 -07:00
Stephen Boyd
ea4f7872c7 Merge branches 'clk-ingenic-fixes', 'clk-max9485', 'clk-pxa-32k-pll', 'clk-aspeed' and 'clk-imx6sll-gpio' into clk-next
* clk-ingenic-fixes:
  :  - Ingenic i2s bit update and allow UDC clk to gate
  clk: ingenic: Add missing flag for UDC clock
  clk: ingenic: Fix incorrect data for the i2s clock

* clk-max9485:
  :  - Maxim 9485 Programmable Clock Generator
  clk: Add driver for MAX9485
  dts: clk: add devicetree bindings for MAX9485

* clk-pxa-32k-pll:
  :  - Expose 32 kHz PLL on PXA SoCs
  clk: pxa: export 32kHz PLL

* clk-aspeed:
  :  - Fix name of aspeed SDC clk define to have only one 'CLK'
  clk: aspeed: Fix SDCLK name

* clk-imx6sll-gpio:
  :  - imx6sll GPIO clk gate support
  clk: imx6sll: add GPIO LPCGs
2018-08-14 22:58:39 -07:00
Stephen Boyd
b183c6887a Merge branches 'clk-imx6-video-parent', 'clk-qcom-sdm845-criticals', 'clk-renesas', 'clk-stratix10-fixes' and 'clk-atmel-i2s' into clk-next
* clk-imx6-video-parent:
  :  - Fix i.MX6QDL video clk parent
  clk: imx6: fix video_27m parent for IMX6QDL_CLK_CKO1_SEL

* clk-qcom-sdm845-criticals:
  :  - critical clk markings for qcom SDM845
  clk: qcom: Enable clocks which needs to be always on for SDM845

* clk-renesas:
  clk: renesas: Renesas R9A06G032 clock driver
  dt-bindings: clock: renesas,r9a06g032-sysctrl: documentation
  dt-bindings: clock: Add the r9a06g032-sysctrl.h file
  clk: renesas: r8a7795: Add CCREE clock
  clk: renesas: r8a7795: Add CR clock

* clk-stratix10-fixes:
  :  - Fix Stratix10 mpu_free_clk and sdmmc_free_clk parents
  clk: socfpga: stratix10: fix the sdmmc_free_clk mux
  clk: socfpga: stratix10: fix the parents of mpu_free_clk

* clk-atmel-i2s:
  :  - Atmel at91 I2S audio clk support
  clk: at91: add I2S clock mux driver
  dt-bindings: clk: at91: add an I2S mux clock
2018-08-14 22:58:35 -07:00
Stephen Boyd
5ef7748ba3 Merge branches 'clk-qcom-set-rate-gate', 'clk-core-set-rate-gate', 'clk-core-duty-cycle', 'clk-si-prepare' and 'clk-imx-gpio-gates' into clk-next
* clk-qcom-set-rate-gate:
  clk: qcom: drop CLK_SET_RATE_GATE from sdc clocks

* clk-core-set-rate-gate:
  clk: fix CLK_SET_RATE_GATE with clock rate protection

* clk-core-duty-cycle:
  clk: add duty cycle support

* clk-si-prepare:
  :  - SI544/SI514 clk on/off support
  clk-si514, clk-si544: Implement prepare/unprepare/is_prepared operations

* clk-imx-gpio-gates:
  :  - i.MX6UL GPIO clock gates in CCM CCGR
  clk: imx6ul: remove clks_init_on array
  clk: imx6ul: add GPIO clock gates
  dt-bindings: clock: imx6ul: Do not change the clock definition order
2018-08-14 22:58:30 -07:00
Linus Torvalds
747f62305d sound updates for 4.19
It's been busy summer weeks and hence lots of changes, partly for a
 few new drivers and partly for a wide range of fixes.
 Here are highlights:
 
 ALSA Core:
  - Fix rawmidi buffer management, code cleanup / refactoring
  - Fix the SG-buffer page handling with incorrect fallback size
  - Fix the stall at virmidi trigger callback with a large buffer;
    also offloading and code-refactoring along with it
  - Various ALSA sequencer code cleanups
 
 ASoC:
  - Deploy the standard snd_pcm_stop_xrun() helper in several drivers
  - Support for providing name prefixes to generic component nodes
  - Quite a few fixes for DPCM as it gains a bit wider use and more
    robust testing
  - Generalization of the DIO2125 support to a simple amplifier driver
  - Accessory detection support for the audio graph card
  - DT support for PXA AC'97 devices
  - Quirks for a number of new x86 systems
  - Support for AM Logic Meson, Everest ES7154, Intel systems with
    RT5682, Qualcomm QDSP6 and WCD9335, Realtek RT5682 and TI TAS5707
 
 HD-audio:
  - Code refactoring in HD-audio ext codec codes to drop own classes;
    preliminary works for the upcoming legacy codec support
  - Generalized DRM audio component for the upcoming radeon / amdgpu
    support
  - Unification of mic mute-LED and GPIO support for various codecs
  - Further improvement of CA0132 codec support including Recon3D
  - Proper vga_switcheroo handling for AMD i-GPU
  - Update of model list in documentation
  - Fixups for another HP Spectre x360, Conexant codecs, power-save
    blacklist update
 
 USB-audio:
  - Fix the invalid sample rate setup with external clock
  - Support of UAC3 selector units and processing units
  - Basic UAC3 power-domain support
  - Support for Encore mDSD and Thesycon-based DSD devices
  - Preparation for future complete callback changes
 
 Firewire:
  - Add support for MOTU Traveler
 
 Misc:
  - The endianess notation fixes in various drivers
  - Add fall-through comment in lots of drivers
  - Various sparse warning fixes, e.g. about PCM format types
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Merge tag 'sound-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "It's been busy summer weeks and hence lots of changes, partly for a
  few new drivers and partly for a wide range of fixes.

  Here are highlights:

  ALSA Core:
   - Fix rawmidi buffer management, code cleanup / refactoring
   - Fix the SG-buffer page handling with incorrect fallback size
   - Fix the stall at virmidi trigger callback with a large buffer; also
     offloading and code-refactoring along with it
   - Various ALSA sequencer code cleanups

  ASoC:
   - Deploy the standard snd_pcm_stop_xrun() helper in several drivers
   - Support for providing name prefixes to generic component nodes
   - Quite a few fixes for DPCM as it gains a bit wider use and more
     robust testing
   - Generalization of the DIO2125 support to a simple amplifier driver
   - Accessory detection support for the audio graph card
   - DT support for PXA AC'97 devices
   - Quirks for a number of new x86 systems
   - Support for AM Logic Meson, Everest ES7154, Intel systems with
     RT5682, Qualcomm QDSP6 and WCD9335, Realtek RT5682 and TI TAS5707

  HD-audio:
   - Code refactoring in HD-audio ext codec codes to drop own classes;
     preliminary works for the upcoming legacy codec support
   - Generalized DRM audio component for the upcoming radeon / amdgpu
     support
   - Unification of mic mute-LED and GPIO support for various codecs
   - Further improvement of CA0132 codec support including Recon3D
   - Proper vga_switcheroo handling for AMD i-GPU
   - Update of model list in documentation
   - Fixups for another HP Spectre x360, Conexant codecs, power-save
     blacklist update

  USB-audio:
   - Fix the invalid sample rate setup with external clock
   - Support of UAC3 selector units and processing units
   - Basic UAC3 power-domain support
   - Support for Encore mDSD and Thesycon-based DSD devices
   - Preparation for future complete callback changes

  Firewire:
   - Add support for MOTU Traveler

  Misc:
   - The endianess notation fixes in various drivers
   - Add fall-through comment in lots of drivers
   - Various sparse warning fixes, e.g. about PCM format types"

* tag 'sound-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (529 commits)
  ASoC: adav80x: mark expected switch fall-through
  ASoC: da7219: Add delays to capture path to remove DC offset noise
  ALSA: usb-audio: Mark expected switch fall-through
  ALSA: mixart: Mark expected switch fall-through
  ALSA: opl3: Mark expected switch fall-through
  ALSA: hda/ca0132 - Add exit commands for Recon3D
  ALSA: hda/ca0132 - Change mixer controls for Recon3D
  ALSA: hda/ca0132 - Add Recon3D input and output select commands
  ALSA: hda/ca0132 - Add DSP setup defaults for Recon3D
  ALSA: hda/ca0132 - Add Recon3D startup functions and setup
  ALSA: hda/ca0132 - Add bool variable to enable/disable pci region2 mmio
  ALSA: hda/ca0132 - Add Recon3D pincfg
  ALSA: hda/ca0132 - Add quirk ID and enum for Recon3D
  ALSA: hda/ca0132 - Add alt_functions unsolicited response
  ALSA: hda/ca0132 - Clean up ca0132_init function.
  ALSA: hda/ca0132 - Create mmio gpio function to make code clearer
  ASoC: wm_adsp: Make DSP name configurable by codec driver
  ASoC: wm_adsp: Declare firmware controls from codec driver
  ASoC: max98373: Added software reset register to readable registers
  ASoC: wm_adsp: Correct DSP pointer for preloader control
  ...
2018-08-14 14:10:30 -07:00
Linus Torvalds
c2d9f5bc2d Merge branch 'clkdev' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM clkdev updates from Russell King:
 "A couple of cleanups for clkdev"

* 'clkdev' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 8778/1: clkdev: don't call __of_clk_get_by_name() unnecessarily from clk_get()
  ARM: 8776/1: clkdev: Remove duplicated negative index check from __of_clk_get()
2018-08-13 19:15:48 -07:00
Bartosz Golaszewski
53ccb22b8d ARM: 8778/1: clkdev: don't call __of_clk_get_by_name() unnecessarily from clk_get()
The way this function is implemented caused some confusion when
converting the TI DaVinci platform to using the common clock framework.

Current kernel supports booting DaVinci boards both in device tree as
well as legacy, board-file mode. In the latter, we always end up
calling clk_get_sys() as of_node is NULL and __of_clk_get_by_name()
returns -ENOENT.

It was not obvious at first glance how clk_get(dev, NULL) will work in
board-file mode since we always call __of_clk_get_by_name(). Let's make
it clearer by checking if of_node is NULL and skipping right to
clk_get_sys().

Cc: Sekhar Nori <nsekhar@ti.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: David Lechner <david@lechnology.com>
Reviewed-by: David Lechner <david@lechnology.com>
Reviewed-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-08-13 16:27:52 +01:00
Mark Brown
4aa5db22d3
Merge branch 'asoc-4.19' into asoc-next 2018-08-09 14:47:05 +01:00
Levin Du
640332d1a0 clk: rockchip: Add pclk_rkpwm_pmu to PMU critical clocks in rk3399
PWM2 is commonly used to control voltage of PWM regulator of VDD_LOG in
RK3399. On the Firefly-RK3399 board, PWM2 outputs 40 KHz square wave
from power on and the VDD_LOG is about 0.9V. When the kernel boots
normally into the system, the PWM2 keeps outputing PWM signal.

But the kernel hangs randomly after "Starting kernel ..." line on that
board. When it happens, PWM2 outputs high level which causes VDD_LOG
drops to 0.4V below the normal operating voltage.

By adding "pclk_rkpwm_pmu" to the rk3399_pmucru_critical_clocks array,
PWM clock is ensured to be prepared at startup and the PWM2 output is
normal. After repeated tests, the early boot hang is gone.

This patch works on both Firefly-RK3399 and ROC-RK3399-PC boards.

Signed-off-by: Levin Du <djw@t-chip.com.cn>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2018-08-06 23:46:52 +02:00
Kuninori Morimoto
67075b3cb8 clk: cs2000-cp: convert to SPDX identifiers
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-08-02 13:55:00 -07:00
Amit Daniel Kachhap
7a8655e19b clk: scmi: Fix the rounding of clock rate
This fix rounds the clock rate properly by using quotient and not
remainder in the calculation. This issue was found while testing HDMI
in the Juno platform.

Fixes: 6d6a1d82eaef7 ("clk: add support for clocks provided by SCMI")
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Amit Daniel Kachhap <amit.kachhap@arm.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-08-02 13:43:48 -07:00
Taniya Das
81351776c9 clk: qcom: Add display clock controller driver for SDM845
Add support for the display clock controller found on SDM845
based devices. This would allow display drivers to probe and
control their clocks.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
[sboyd@kernel.org: Remove CLK_GET_RATE_NOCACHE everywhere]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-08-01 08:08:12 -07:00
Anders Roxell
8927c27b32 clk: mvebu: armada-37xx-periph: Remove unused var num_parents
When building armada-37xx-periph, num_parents isn't used in function
clk_pm_cpu_get_parent:
drivers/clk/mvebu/armada-37xx-periph.c: In function ‘clk_pm_cpu_get_parent’:
drivers/clk/mvebu/armada-37xx-periph.c:419:6: warning: unused variable ‘num_parents’ [-Wunused-variable]
  int num_parents = clk_hw_get_num_parents(hw);
      ^~~~~~~~~~~
Remove the declaration of num_parents to dispose the warning.

Fixes: 616bf80d381d ("clk: mvebu: armada-37xx-periph: Fix wrong return value in get_parent")
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-27 09:55:43 -07:00
Krzysztof Kozlowski
96455f734b clk: samsung: Remove unused mout_user_aclk400_mcuisp_p4x12 variable
Remove unused 'mout_user_aclk400_mcuisp_p4x12' variable to fix GCC warning:

    drivers/clk/samsung/clk-exynos4412-isp.c:40:27: warning:
        'mout_user_aclk400_mcuisp_p4x12' defined but not used [-Wunused-const-variable=]

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-26 00:38:51 -07:00
Olof Johansson
692b12c756 Exynos5440 drivers removal
The Exynos5440 (quad-core A15 with GMAC, PCIe, SATA) was targeting
 server platforms but it did not make it to the market really.  There are
 no development boards with it and probably there are no real products
 neither.  The development for Exynos5440 ended in 2013 and since then
 the platform is in maintenance mode.
 
 Removing Exynos5440 makes our life slightly easier: less maintenance,
 smaller code, reduced number of quirks, no need to preserve DTB
 backward-compatibility.
 
 The Device Tree sources and some of the drivers for Exynos5440 were
 already removed.  This removes remaining drivers.
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Merge tag 'samsung-drivers-exynos5440-4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers

Exynos5440 drivers removal

The Exynos5440 (quad-core A15 with GMAC, PCIe, SATA) was targeting
server platforms but it did not make it to the market really.  There are
no development boards with it and probably there are no real products
neither.  The development for Exynos5440 ended in 2013 and since then
the platform is in maintenance mode.

Removing Exynos5440 makes our life slightly easier: less maintenance,
smaller code, reduced number of quirks, no need to preserve DTB
backward-compatibility.

The Device Tree sources and some of the drivers for Exynos5440 were
already removed.  This removes remaining drivers.

* tag 'samsung-drivers-exynos5440-4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  usb: host: exynos: Remove support for Exynos5440
  clk: samsung: Remove support for Exynos5440
  cpufreq: exynos: Remove support for Exynos5440
  ata: ahci-platform: Remove support for Exynos5440

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-26 00:17:51 -07:00
Saravanan Sekar
d47317ca4a clk: actions: Add S700 SoC clock support
Add Actions Semi S700 SoC clock support

Signed-off-by: Parthiban Nallathambi <pn@denx.de>
Signed-off-by: Saravanan Sekar <sravanhome@gmail.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-25 16:40:54 -07:00
Saravanan Sekar
d017c1f16a clk: actions: Add missing REGMAP_MMIO dependency
Add REGMAP_MMIO as dependency to avoid undefined
reference to regmap symbols.

Fixes: d85d20053e19 ("clk: actions: Add S900 SoC clock support")
Signed-off-by: Saravanan Sekar <sravanhome@gmail.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-25 16:40:52 -07:00
Kunihiko Hayashi
ff388ee365 clk: uniphier: add clock frequency support for SPI
Add clock control for SPI controller on UniPhier SoCs.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-25 16:26:18 -07:00
Masahiro Yamada
9d222574ef clk: uniphier: add more USB3 PHY clocks
Add USB3 PHY clocks where missing.  Use fixed-factor clocks for those
without gating.

For clarification, prefix clock names with 'ss' or 'hs'.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-25 15:45:32 -07:00
Masahiro Yamada
0316c018c5 clk: uniphier: add NAND 200MHz clock
The Denali NAND controller IP needs three clocks:

 - clk: controller core clock

 - clk_x: bus interface clock

 - ecc_clk: clock at which ECC circuitry is run

Currently, only the first one (50MHz) is provided.  The rest of the
two clock ports must be connected to the 200MHz clock line.  Add this.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-25 15:45:25 -07:00
Peter De-Schrijver
c76a69e477 clk: tegra: make sdmmc2 and sdmmc4 as sdmmc clocks
These clocks have low jitter paths to certain parents. To model these
correctly, use the sdmmc mux divider clock type.

Signed-off-by: Peter De-Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Aapo Vienamo <avienamo@nvidia.com>
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-25 14:26:22 -07:00
Peter De-Schrijver
633e79650b clk: tegra: Add sdmmc mux divider clock
Add a clock type to model the sdmmc switch divider clocks which have paths
to source clocks bypassing the divider (Low Jitter paths). These
are handled by selecting the lj path when the divider is 1 (ie the
rate is the parent rate), otherwise the normal path with divider
will be selected. Otherwise this clock behaves as a normal peripheral
clock.

Signed-off-by: Peter De-Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Aapo Vienamo <avienamo@nvidia.com>
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-25 13:45:09 -07:00
Peter De Schrijver
cb3ac5947a clk: tegra: Refactor fractional divider calculation
Move this to a separate file so it can be used to calculate the sdmmc
clock dividers.

Signed-off-by: Peter De-Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Aapo Vienamo <avienamo@nvidia.com>
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-25 13:43:34 -07:00
Aapo Vienamo
0cbb61a313 clk: tegra: Fix includes required by fence_udelay()
Add the missing linux/delay.h include statement for udelay() used by
fence_udelay() macro.

Signed-off-by: Aapo Vienamo <avienamo@nvidia.com>
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-25 13:43:13 -07:00
Nicholas Mc Guire
7f5eac5934 clk: imx6sll: fix missing of_node_put()
of_find_compatible_node() is returning a device node with refcount
incremented and must be explicitly decremented after the last use
which is right after the us in of_iomap() here.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Fixes: 4a5f720b6542 ("clk: imx: add clock driver for imx6sll")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-25 13:35:00 -07:00
Nicholas Mc Guire
11177e7a7a clk: imx6ul: fix missing of_node_put()
of_find_compatible_node() is returning a device node with refcount
incremented and must be explicitly decremented after the last use
which is right after the us in of_iomap() here.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Fixes: 787b4271a6a0 ("clk: imx: add imx6ul clk tree support")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-25 13:34:57 -07:00
Anson Huang
d7b7c00dad clk: imx: add ocram_s clock for i.mx6sx
i.MX6SX has a 16KB always-on ocram bank called
ocram_s, and its clock gate in CCM CCGR1 CG14
needs to be enabled before access, add it to
clock tree.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-25 09:44:58 -07:00
Gregory CLEMENT
616bf80d38 clk: mvebu: armada-37xx-periph: Fix wrong return value in get_parent
The return value of the get_parent operation is a u8, whereas a -EINVAL
was returned. This wrong value was return if the value was bigger that
the number of parent but this case was already handled by the core.

So we can just remove this chunk of code to fix the issue.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 9818a7a4fd10 ("clk: mvebu: armada-37xx-periph: prepare cpu clk to
be used with DVFS")
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-25 09:42:50 -07:00
Rajan Vaja
f6dab4233d clk: clk-fixed-factor: Clear OF_POPULATED flag in case of failure
Fixed factor clock has two initializations at of_clk_init() time
and during platform driver probe. Before of_clk_init() call,
node is marked as populated and so its probe never gets called.

During of_clk_init() fixed factor clock registration may fail if
any of its parent clock is not registered. In this case, it doesn't
get chance to retry registration from probe. Clear OF_POPULATED
flag if fixed factor clock registration fails so that clock
registration is attempted again from probe.

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-25 09:36:46 -07:00
Mikko Perttunen
365f7a89c8 clk: core: Potentially free connection id
Patch "clk: core: Copy connection id" made it so that the connector id
'con_id' is kstrdup_const()ed to cater to drivers that pass non-constant
connection ids. The patch added the corresponding kfree_const to
__clk_free_clk(), but struct clk's can be freed also via __clk_put().
Add the kfree_const call to __clk_put() and add comments to both
functions to remind that the logic in them should be kept in sync.

Fixes: 253160a8ad06 ("clk: core: Copy connection id")
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-25 09:29:12 -07:00
Taniya Das
f9419783a6 clk: qcom: Update SPDX headers for common files
SPDX headers updated for common/branch/pll/regmap files.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-25 09:23:33 -07:00
Krzysztof Kozlowski
fb174b27e8 clk: samsung: Remove support for Exynos5440
The Exynos5440 is not actively developed, there are no development
boards available and probably there are no real products with it.
Remove wide-tree support for Exynos5440.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Sylwester Nawrocki <snawrocki@kernel.org>
2018-07-24 18:43:52 +02:00
Taniya Das
9c7e47025a clk: qcom: clk-rpmh: Add QCOM RPMh clock driver
Add the RPMh clock driver to control the RPMh managed clock resources on
some of the Qualcomm Technologies, Inc. SoCs.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
[sboyd@kernel.org: Clean up whitespace, indentation, remove
cmd_db_ready check]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-16 10:25:04 -07:00
Joel Stanley
565b9937f4 clk: aspeed: Support HPLL strapping on ast2400
The HPLL can be configured through a register (SCU24), however some
platforms chose to configure it through the strapping settings and do
not use the register. This was not noticed as the logic for bit 18 in
SCU24 was confused: set means programmed, but the driver read it as set
means strapped.

This gives us the correct HPLL value on Palmetto systems, from which
most of the peripheral clocks are generated.

Fixes: 5eda5d79e4be ("clk: Add clock driver for ASPEED BMC SoCs")
Cc: stable@vger.kernel.org # v4.15
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-11 09:34:25 -07:00
Geert Uytterhoeven
76672e2e5b ARM: 8776/1: clkdev: Remove duplicated negative index check from __of_clk_get()
__of_clk_get() calls of_parse_phandle_with_args(), which rejects
negative indices since commit bd69f73f2c81eed9 ("of: Create function for
counting number of phandles in a property").

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-11 11:02:48 +01:00
Faiz Abbas
91c17a7006 clk: ti: dra7: Add clkctrl clock data for the mcan clocks
Add clkctrl data for the m_can clocks and register it within the
clkctrl driver

Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
CC: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2018-07-09 22:30:48 -07:00
Oleksij Rempel
30343897d8 clk: imx7d: add IMX7D_MU_ROOT_CLK
This clock is needed for iMX mailbox driver

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-09 09:55:19 -07:00
Gregory CLEMENT
66c7bb7c41 clk: mvebu: armada-37xx-periph: switch to SPDX license identifier
Adopt the SPDX license identifier headers to ease license compliance
management.

Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-09 09:44:49 -07:00
Gregory CLEMENT
61c40f35f5 clk: mvebu: armada-37xx-periph: Fix switching CPU rate from 300Mhz to 1.2GHz
Switching the CPU from the L2 or L3 frequencies (300 and 200 Mhz
respectively) to L0 frequency (1.2 Ghz) requires a significant amount
of time to let VDD stabilize to the appropriate voltage. This amount of
time is large enough that it cannot be covered by the hardware
countdown register. Due to this, the CPU might start operating at L0
before the voltage is stabilized, leading to CPU stalls.

To work around this problem, we prevent switching directly from the
L2/L3 frequencies to the L0 frequency, and instead switch to the L1
frequency in-between. The sequence therefore becomes:

1. First switch from L2/L3(200/300MHz) to L1(600MHZ)
2. Sleep 20ms for stabling VDD voltage
3. Then switch from L1(600MHZ) to L0(1200Mhz).

It is based on the work done by Ken Ma <make@marvell.com>

Cc: stable@vger.kernel.org
Fixes: 2089dc33ea0e ("clk: mvebu: armada-37xx-periph: add DVFS support for cpu clocks")
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-07-09 09:44:06 -07:00
Jerome Brunet
7df533a7e3 clk: meson: add gen_clk
GEN_CLK is able to route several internal clocks to one of the SoC
pads. In the future, even more clocks could be made accessible using
cts_msr_clk - the clock measure block.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
2018-07-09 13:49:31 +02:00
Jerome Brunet
80d396b511 clk: meson: gxbb: remove HHI_GEN_CLK_CTNL duplicate definition
HHI_GEN_CLK_CTNL is defined twice, just remove the duplicate definition

Fixes: 738f66d3211d ("clk: gxbb: add AmLogic GXBB clk controller driver")
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
2018-07-09 13:49:22 +02:00
Yixun Lan
cddcb20b2b clk: meson-axg: add clocks required by pcie driver
Adding clocks for the pcie driver. Due to the ASIC design,
the pcie controller re-use part of the mipi clock logic,
so the mipi clock is also added.

Tested-by: Jianxin Qin <jianxin.qin@amlogic.com>
Signed-off-by: Yixun Lan <yixun.lan@amlogic.com>
[amended to remove unnecessary locales]
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
2018-07-09 13:49:11 +02:00
Jerome Brunet
85ddc1a32c clk: meson: remove unused clk-audio-divider driver
clk-audio-divider is no longer used, we can remove it.

Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
2018-07-09 13:48:59 +02:00
Jerome Brunet
9799d5ae00 clk: meson: stop rate propagation for audio clocks
It is actually a lot easier to setup the PLL with carefully chosen rates
than relying on CCF clock propagation for this audio use case.
This way, we can make sure we will always be able to provide the common
audio clock rates, while having the PLL in the optimal operating range.

For this, we stop the rate propagation at the mux picking the
PLL and let it round to the closest matching PLL.

Doing so, we can use the generic divider for the i2s clock.
clk-audio-divider is no longer required. It was a (poor) attempt
to use CCF rate propagation while making sure the PLL rate would
be high enough to work with audio use cases.

Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
2018-07-09 13:48:59 +02:00
Jerome Brunet
1cd5018175 clk: meson: axg: add the audio clock controller driver
The axg audio clock controller is the clock generation unit for the
amlogic audio subsystem of A113 based SoCs. It may be clocked by 8
different plls provided by the primary clock controller and also by
10 slave bit clocks and 10 slave sample clocks which may be provided
by external components, such as audio codecs, through the SoC pads.

It contains several muxes, dividers and gates which are fed into the
the different devices of the audio subsystem.

Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
2018-07-09 13:48:26 +02:00
Jerome Brunet
3054a55c5d clk: meson: add axg audio sclk divider driver
Add a driver to control the clock divider found in the sample clock
generator of the axg audio clock controller.

The sclk divider accumulates specific features which make the generic
divider unsuitable to control it:
- zero based divider (div = val + 1), but zero value gates the clock,
  so minimum divider value is 2.
- lrclk variant may adjust the duty cycle depending the divider value
  and the 'hi' value.

Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
2018-07-09 13:48:25 +02:00
Jerome Brunet
2eb2a01b64 Merge remote-tracking branch 'clk/clk-core-duty-cycle' into next/drivers 2018-07-09 13:47:38 +02:00
Jerome Brunet
e8dd920776 clk: meson: add triple phase clock driver
Add a driver to control the output of the sample clock generator found
in the axg audio clock controller.

The goal of this driver is to coherently control the phase provided to
the different element using the sample clock generator. This simplify
the usage of the sample clock generator a lot, without comprising the
ability of the SoC.

Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
2018-07-09 13:47:22 +02:00
Jerome Brunet
47f21315a6 clk: meson: add clk-phase clock driver
Add a driver based meson clk-regmap to control clock phase on
amlogic SoCs

Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
2018-07-09 13:47:22 +02:00
Jerome Brunet
443f228578 clk: meson: clean-up meson clock configuration
Clean the dependencies in meson clock Kconfig.
CLK_AMLOGIC should actually select CLK_REGMAP_MESON which it uses. Also,
each platform should select CLK_AMLOGIC, so everything is properly turned
on when the platform Kconfig enable each configuration flag

Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
2018-07-09 13:46:21 +02:00