Commit Graph

6502 Commits

Author SHA1 Message Date
Jernej Skrabec
75250eb75c
clk: sunxi-ng: sun8i-de2: H6 doesn't have rotate core
DE3 documentation regarding presence of rotate core in H6 is a bit
confusing. Register descriptions mention bits for enabling rotate core
clocks and reset, but general overview doesn't list it as feature of H6
display engine, BSP kernel doesn't support it and there is no interrupt
listed for it. Manual poking registers also didn't reveal presence of
rotate core.

Let's assume there isn't any rotate core on H6 present and remove
related clocks. With that done, structures are same as those for H5, so
just reuse H5 structure.

Fixes: 56808da9f9 ("clk: sunxi-ng: Add support for H6 DE3 clocks")
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2020-02-12 19:01:02 +01:00
Jernej Skrabec
b4bbce660a
clk: sunxi-ng: sun8i-de2: Add rotation core clocks and reset for A64
A64 has rotation core which needs clocks and reset. Because there is no
appropriate structures available, make a separate, A64 specific
structures.

Fixes: cf4881c129 ("clk: sunxi-ng: fix the A64/H5 clock description of DE2 CCU")
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2020-02-12 19:01:00 +01:00
Jernej Skrabec
2b48dcb7a8
clk: sunxi-ng: sun8i-de2: Split out H5 definitions
H5 has less clocks and resets than A64. Currently that's not obvious
because A64 is missing rotation core related clocks and reset.

Split out H5 definition. A64 structures will be fixed in subsequent
commit.

Note that this patch depends on commit 19368d9974 ("clk: sunxi-ng:
add support for Allwinner H3 DE2 CCU") for the H3 clock list.

Fixes: 763c5bd045 ("clk: sunxi-ng: add support for DE2 CCU")
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2020-02-12 19:00:58 +01:00
Jernej Skrabec
1de8493069
clk: sunxi-ng: a64: Export MBUS clock
MBUS clock will be referenced in MBUS controller node.

Export it.

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2020-02-11 07:49:14 +01:00
Linus Torvalds
4ef1a30c6b ARM: SoC: late updates
This is some material that we picked up into our tree late, or that had
 more complex dependencies on more than one topic branch that makes sense
 to keep separately.
 
  - TI support for secure accelerators and hwrng on OMAP4/5
 
  - TI camera changes for dra7 and am437x and SGX improvement due to better
    reset control support on am335x, am437x and dra7
 
  - Davinci moves to proper clocksource on DM365, and regulator/audio
    improvements for DM365 and DM644x eval boards
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Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC late updates from Olof Johansson:
 "This is some material that we picked up into our tree late, or that
  had more complex dependencies on more than one topic branch that makes
  sense to keep separately.

   - TI support for secure accelerators and hwrng on OMAP4/5

   - TI camera changes for dra7 and am437x and SGX improvement due to
     better reset control support on am335x, am437x and dra7

   - Davinci moves to proper clocksource on DM365, and regulator/audio
     improvements for DM365 and DM644x eval boards"

* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (32 commits)
  ARM: dts: omap4-droid4: Enable hdq for droid4 ds250x 1-wire battery nvmem
  ARM: dts: motorola-cpcap-mapphone: Configure calibration interrupt
  ARM: dts: Configure interconnect target module for am437x sgx
  ARM: dts: Configure sgx for dra7
  ARM: dts: Configure rstctrl reset for am335x SGX
  ARM: dts: dra7: Add ti-sysc node for VPE
  ARM: dts: dra7: add vpe clkctrl node
  ARM: dts: am43x-epos-evm: Add VPFE and OV2659 entries
  ARM: dts: am437x-sk-evm: Add VPFE and OV2659 entries
  ARM: dts: am43xx: add support for clkout1 clock
  arm: dts: dra76-evm: Add CAL and OV5640 nodes
  arm: dtsi: dra76x: Add CAL dtsi node
  arm: dts: dra72-evm-common: Add entries for the CSI2 cameras
  ARM: dts: DRA72: Add CAL dtsi node
  ARM: dts: dra7-l4: Add ti-sysc node for CAM
  ARM: OMAP: DRA7xx: Make CAM clock domain SWSUP only
  ARM: dts: dra7: add cam clkctrl node
  ARM: OMAP2+: Drop legacy platform data for omap4 des
  ARM: OMAP2+: Drop legacy platform data for omap4 sham
  ARM: OMAP2+: Drop legacy platform data for omap4 aes
  ...
2020-02-08 14:17:27 -08:00
Linus Torvalds
eab3540562 ARM: SoC-related driver updates
Various driver updates for platforms:
 
  - Nvidia: Fuse support for Tegra194, continued memory controller pieces
    for Tegra30
 
  - NXP/FSL: Refactorings of QuickEngine drivers to support ARM/ARM64/PPC
 
  - NXP/FSL: i.MX8MP SoC driver pieces
 
  - TI Keystone: ring accelerator driver
 
  - Qualcomm: SCM driver cleanup/refactoring + support for new SoCs.
 
  - Xilinx ZynqMP: feature checking interface for firmware. Mailbox
    communication for power management
 
  - Overall support patch set for cpuidle on more complex hierarchies
    (PSCI-based)
 
 + Misc cleanups, refactorings of Marvell, TI, other platforms.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC-related driver updates from Olof Johansson:
 "Various driver updates for platforms:

   - Nvidia: Fuse support for Tegra194, continued memory controller
     pieces for Tegra30

   - NXP/FSL: Refactorings of QuickEngine drivers to support
     ARM/ARM64/PPC

   - NXP/FSL: i.MX8MP SoC driver pieces

   - TI Keystone: ring accelerator driver

   - Qualcomm: SCM driver cleanup/refactoring + support for new SoCs.

   - Xilinx ZynqMP: feature checking interface for firmware. Mailbox
     communication for power management

   - Overall support patch set for cpuidle on more complex hierarchies
     (PSCI-based)

  and misc cleanups, refactorings of Marvell, TI, other platforms"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (166 commits)
  drivers: soc: xilinx: Use mailbox IPI callback
  dt-bindings: power: reset: xilinx: Add bindings for ipi mailbox
  drivers: soc: ti: knav_qmss_queue: Pass lockdep expression to RCU lists
  MAINTAINERS: Add brcmstb PCIe controller entry
  soc/tegra: fuse: Unmap registers once they are not needed anymore
  soc/tegra: fuse: Correct straps' address for older Tegra124 device trees
  soc/tegra: fuse: Warn if straps are not ready
  soc/tegra: fuse: Cache values of straps and Chip ID registers
  memory: tegra30-emc: Correct error message for timed out auto calibration
  memory: tegra30-emc: Firm up hardware programming sequence
  memory: tegra30-emc: Firm up suspend/resume sequence
  soc/tegra: regulators: Do nothing if voltage is unchanged
  memory: tegra: Correct reset value of xusb_hostr
  soc/tegra: fuse: Add APB DMA dependency for Tegra20
  bus: tegra-aconnect: Remove PM_CLK dependency
  dt-bindings: mediatek: add MT6765 power dt-bindings
  soc: mediatek: cmdq: delete not used define
  memory: tegra: Add support for the Tegra194 memory controller
  memory: tegra: Only include support for enabled SoCs
  memory: tegra: Support DVFS on Tegra186 and later
  ...
2020-02-08 14:04:19 -08:00
Linus Torvalds
1afa9c3b7c ARM: Device-tree updates
New SoCs:
 
  - Atmel/Microchip SAM9X60 (ARM926 SoC)
 
  - OMAP 37xx gets split into AM3703/AM3715/DM3725, who are all variants
    of it with different GPU/media IP configurations.
 
  - ST stm32mp15 SoCs (1-2 Cortex-A7, CAN, GPU depending on SKU)
 
  - ST Ericsson ab8505 (variant of ab8500) and db8520 (variant of db8500)
 
  - Unisoc SC9863A SoC (8x Cortex-A55 mobile chipset w/ GPU, modem)
 
  - Qualcomm SC7180 (8-core 64bit SoC, unnamed CPU class)
 
 New boards:
 
  - Allwinner
   + Emlid Neutis SoM (H3 variant)
   + Libre Computer ALL-H3-IT
   + PineH64 Model B
 
  - Amlogic
   + Libretech Amlogic GX PC (s905d and s912-based variants)
 
  - Atmel/Microchip:
   + Kizboxmini, sam9x60 EK, sama5d27 Wireless SOM (wlsom1)
 
  - Marvell:
   + Armada 385-based SolidRun Clearfog GTR
 
  - NXP:
   + Gateworks GW59xx boards based on i.MX6/6Q/6QDL
   + Tolino Shine 3 eBook reader (i.MX6sl)
   + Embedded Artists COM (i.MX7ULP)
   + SolidRun CLearfog CX/ITX and HoneyComb (LX2160A-based systems)
   + Google Coral Edge TPU (i.MX8MQ)
 
  - Rockchip
   + Radxa Dalang Carrier (supports rk3288 and rk3399 SOMs)
   + Radxa Rock Pi N10 (RK3399Pro-based)
   + VMARC RK3399Pro SOM
 
  - ST
   + Reference boards for stm32mp15
 
  - ST Ericsson
   + Samsung Galaxy S III mini (GT-I8190)
   + HREF520 reference board for DB8520
 
  - TI OMAP
   + Gen1 Amazon Echo (OMAP3630-based)
 
  - Qualcomm
   + Inforce 6640 Single Board Computer (msm8996-based)
   + SC7180 IDP (SC7180-based)
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM Device-tree updates from Olof Johansson:
 "New SoCs:

   - Atmel/Microchip SAM9X60 (ARM926 SoC)

   - OMAP 37xx gets split into AM3703/AM3715/DM3725, who are all
     variants of it with different GPU/media IP configurations.

   - ST stm32mp15 SoCs (1-2 Cortex-A7, CAN, GPU depending on SKU)

   - ST Ericsson ab8505 (variant of ab8500) and db8520 (variant of
     db8500)

   - Unisoc SC9863A SoC (8x Cortex-A55 mobile chipset w/ GPU, modem)

   - Qualcomm SC7180 (8-core 64bit SoC, unnamed CPU class)

  New boards:

   - Allwinner:
      + Emlid Neutis SoM (H3 variant)
      + Libre Computer ALL-H3-IT
      + PineH64 Model B

   - Amlogic:
      + Libretech Amlogic GX PC (s905d and s912-based variants)

   - Atmel/Microchip:
      + Kizboxmini, sam9x60 EK, sama5d27 Wireless SOM (wlsom1)

   - Marvell:
      + Armada 385-based SolidRun Clearfog GTR

   - NXP:
      + Gateworks GW59xx boards based on i.MX6/6Q/6QDL
      + Tolino Shine 3 eBook reader (i.MX6sl)
      + Embedded Artists COM (i.MX7ULP)
      + SolidRun CLearfog CX/ITX and HoneyComb (LX2160A-based systems)
      + Google Coral Edge TPU (i.MX8MQ)

   - Rockchip:
      + Radxa Dalang Carrier (supports rk3288 and rk3399 SOMs)
      + Radxa Rock Pi N10 (RK3399Pro-based)
      + VMARC RK3399Pro SOM

   - ST:
      + Reference boards for stm32mp15

   - ST Ericsson:
      + Samsung Galaxy S III mini (GT-I8190)
      + HREF520 reference board for DB8520

   - TI OMAP:
      + Gen1 Amazon Echo (OMAP3630-based)

   - Qualcomm:
      + Inforce 6640 Single Board Computer (msm8996-based)
      + SC7180 IDP (SC7180-based)"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (623 commits)
  dt-bindings: fix compilation error of the example in marvell,mmp3-hsic-phy.yaml
  arm64: dts: ti: k3-am654-base-board: Add CSI2 OV5640 camera
  arm64: dts: ti: k3-am65-main Add CAL node
  arm64: dts: ti: k3-j721e-main: Add McASP nodes
  arm64: dts: ti: k3-am654-main: Add McASP nodes
  arm64: dts: ti: k3-j721e: DMA support
  arm64: dts: ti: k3-j721e-main: Move secure proxy and smmu under main_navss
  arm64: dts: ti: k3-j721e-main: Correct main NAVSS representation
  arm64: dts: ti: k3-j721e: Correct the address for MAIN NAVSS
  arm64: dts: ti: k3-am65: DMA support
  arm64: dts: ti: k3-am65-main: Move secure proxy under cbass_main_navss
  arm64: dts: ti: k3-am65-main: Correct main NAVSS representation
  ARM: dts: aspeed: rainier: Add UCD90320 power sequencer
  ARM: dts: aspeed: rainier: Switch PSUs to unknown version
  arm64: dts: rockchip: Kill off "simple-panel" compatibles
  ARM: dts: rockchip: Kill off "simple-panel" compatibles
  arm64: dts: rockchip: rename dwmmc node names to mmc
  ARM: dts: rockchip: rename dwmmc node names to mmc
  arm64: dts: exynos: Rename Samsung and Exynos to lowercase
  arm64: dts: uniphier: add reset-names to NAND controller node
  ...
2020-02-08 13:58:44 -08:00
Linus Torvalds
8bf5973a4e A collection of fixes that would be good to get merged before -rc1.
- Make of_clk.h self contained
  - Fix new qcom DT bindings that just merged to match the DTS files
  - Fix qcom clk driver to properly detect DFS clk frequencies
  - Fix the ls1028a driver to not deref a pointer before assigning it
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk fixes from Stephen Boyd:
 "A collection of fixes:

   - Make of_clk.h self contained

   - Fix new qcom DT bindings that just merged to match the DTS files

   - Fix qcom clk driver to properly detect DFS clk frequencies

   - Fix the ls1028a driver to not deref a pointer before assigning it"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  of: clk: Make <linux/of_clk.h> self-contained
  clk: qcom: Use ARRAY_SIZE in videocc-sc7180 for parent clocks
  clk: qcom: Get rid of the test clock for videocc-sc7180
  dt-bindings: clock: Cleanup qcom,videocc bindings for sdm845/sc7180
  clk: qcom: Use ARRAY_SIZE in gpucc-sc7180 for parent clocks
  clk: qcom: Get rid of the test clock for gpucc-sc7180
  dt-bindings: clock: Fix qcom,gpucc bindings for sdm845/sc7180/msm8998
  clk: qcom: Use ARRAY_SIZE in dispcc-sc7180 for parent clocks
  clk: qcom: Get rid of the test clock for dispcc-sc7180
  clk: qcom: Get rid of fallback global names for dispcc-sc7180
  dt-bindings: clock: Fix qcom,dispcc bindings for sdm845/sc7180
  clk: qcom: rcg2: Don't crash if our parent can't be found; return an error
  clk: ls1028a: fix a dereference of pointer 'parent' before a null check
  dt-bindings: clk: qcom: Fix self-validation, split, and clean cruft
  clk: qcom: Don't overwrite 'cfg' in clk_rcg2_dfs_populate_freq()
2020-02-07 12:40:50 -08:00
Linus Torvalds
cc12071ff3 Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
 "The rest of MM and the rest of everything else: hotfixes, ipc, misc,
  procfs, lib, cleanups, arm"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (67 commits)
  ARM: dma-api: fix max_pfn off-by-one error in __dma_supported()
  treewide: remove redundant IS_ERR() before error code check
  include/linux/cpumask.h: don't calculate length of the input string
  lib: new testcases for bitmap_parse{_user}
  lib: rework bitmap_parse()
  lib: make bitmap_parse_user a wrapper on bitmap_parse
  lib: add test for bitmap_parse()
  bitops: more BITS_TO_* macros
  lib/string: add strnchrnul()
  proc: convert everything to "struct proc_ops"
  proc: decouple proc from VFS with "struct proc_ops"
  asm-generic/tlb: provide MMU_GATHER_TABLE_FREE
  asm-generic/tlb: rename HAVE_MMU_GATHER_NO_GATHER
  asm-generic/tlb: rename HAVE_MMU_GATHER_PAGE_SIZE
  asm-generic/tlb: rename HAVE_RCU_TABLE_FREE
  asm-generic/tlb: add missing CONFIG symbol
  asm-gemeric/tlb: remove stray function declarations
  asm-generic/tlb: avoid potential double flush
  mm/mmu_gather: invalidate TLB correctly on batch allocation failure and flush
  powerpc/mmu_gather: enable RCU_TABLE_FREE even for !SMP case
  ...
2020-02-04 07:24:48 +00:00
Douglas Anderson
563528b831 clk: qcom: Use ARRAY_SIZE in videocc-sc7180 for parent clocks
It's nicer to use ARRAY_SIZE instead of hardcoding.  Had we always
been doing this it would have prevented a previous bug.  See commit
74c31ff9c8 ("clk: qcom: gpu_cc_gmu_clk_src has 5 parents, not 6").

Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lkml.kernel.org/r/20200203103049.v4.13.If37e4b1b5553ac9db5ea51e84a6eec286cdf209e@changeid
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-02-03 23:05:06 -08:00
Douglas Anderson
abc8f93f33 clk: qcom: Get rid of the test clock for videocc-sc7180
The test clock isn't in the bindings and apparently it's not used by
anyone upstream.  Remove it.

Suggested-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lkml.kernel.org/r/20200203103049.v4.12.Ifd19a2701a102ec9f04e61a09345198383a9e937@changeid
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-02-03 23:05:06 -08:00
Douglas Anderson
72de7a19ef clk: qcom: Use ARRAY_SIZE in gpucc-sc7180 for parent clocks
It's nicer to use ARRAY_SIZE instead of hardcoding.  Had we always
been doing this it would have prevented a previous bug.  See commit
74c31ff9c8 ("clk: qcom: gpu_cc_gmu_clk_src has 5 parents, not 6").

Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lkml.kernel.org/r/20200203103049.v4.10.I3bf44e33f4dc7ecca10a50dbccb7dc082894fa59@changeid
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-02-03 23:05:06 -08:00
Douglas Anderson
39c064a0e6 clk: qcom: Get rid of the test clock for gpucc-sc7180
The test clock isn't in the bindings and apparently it's not used by
anyone upstream.  Remove it.

Suggested-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lkml.kernel.org/r/20200203103049.v4.9.I6d5276b768f6593053be036a3e70cce298d39f0c@changeid
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-02-03 23:05:06 -08:00
Douglas Anderson
3696ebe4e1 clk: qcom: Use ARRAY_SIZE in dispcc-sc7180 for parent clocks
It's nicer to use ARRAY_SIZE instead of hardcoding.  Had we always
been doing this it would have prevented a previous bug.  See commit
74c31ff9c8 ("clk: qcom: gpu_cc_gmu_clk_src has 5 parents, not 6").

Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lkml.kernel.org/r/20200203103049.v4.6.If590c468722d2985cea63adf60c0d2b3098f37d9@changeid
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-02-03 23:05:05 -08:00
Douglas Anderson
c1ef343612 clk: qcom: Get rid of the test clock for dispcc-sc7180
The test clock isn't in the bindings and apparently it's not used by
anyone upstream.  Remove it.

Suggested-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lkml.kernel.org/r/20200203103049.v4.5.I28ac8f801456f1b950f7da10ed0f74a1344d4a35@changeid
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-02-03 23:05:05 -08:00
Douglas Anderson
0a97e8a5bf clk: qcom: Get rid of fallback global names for dispcc-sc7180
In the new world input clocks should be matched by ".fw_name".  sc7180
is new enough that no backward compatibility use of global names
should be needed.  Remove it.

With a proper device tree and downstream display patches I have
verified booting a sc7180 up and seeing the display after this patch.

Fixes: dd3d066221 ("clk: qcom: Add display clock controller driver for SC7180")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lkml.kernel.org/r/20200203103049.v4.4.Ia3706a5d5add72e88dbff60fd13ec06bf7a2fd48@changeid
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-02-03 23:05:05 -08:00
Douglas Anderson
908b050114 clk: qcom: rcg2: Don't crash if our parent can't be found; return an error
When I got my clock parenting slightly wrong I ended up with a crash
that looked like this:

  Unable to handle kernel NULL pointer dereference at virtual
  address 0000000000000000
  ...
  pc : clk_hw_get_rate+0x14/0x44
  ...
  Call trace:
   clk_hw_get_rate+0x14/0x44
   _freq_tbl_determine_rate+0x94/0xfc
   clk_rcg2_determine_rate+0x2c/0x38
   clk_core_determine_round_nolock+0x4c/0x88
   clk_core_round_rate_nolock+0x6c/0xa8
   clk_core_round_rate_nolock+0x9c/0xa8
   clk_core_set_rate_nolock+0x70/0x180
   clk_set_rate+0x3c/0x6c
   of_clk_set_defaults+0x254/0x360
   platform_drv_probe+0x28/0xb0
   really_probe+0x120/0x2dc
   driver_probe_device+0x64/0xfc
   device_driver_attach+0x4c/0x6c
   __driver_attach+0xac/0xc0
   bus_for_each_dev+0x84/0xcc
   driver_attach+0x2c/0x38
   bus_add_driver+0xfc/0x1d0
   driver_register+0x64/0xf8
   __platform_driver_register+0x4c/0x58
   msm_drm_register+0x5c/0x60
   ...

It turned out that clk_hw_get_parent_by_index() was returning NULL and
we weren't checking.  Let's check it so that we don't crash.

Fixes: ac269395cd ("clk: qcom: Convert to clk_hw based provider APIs")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lkml.kernel.org/r/20200203103049.v4.1.I7487325fe8e701a68a07d3be8a6a4b571eca9cfa@changeid
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-02-03 23:04:02 -08:00
Colin Ian King
73cb3106e8 clk: ls1028a: fix a dereference of pointer 'parent' before a null check
Currently the pointer 'parent' is being dereferenced before it is
being null checked. Fix this by performing the null check before
it is dereferenced.

Addresses-Coverity: ("Dereference before null check")
Fixes: d37010a3c1 ("clk: ls1028a: Add clock driver for Display output interface")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lkml.kernel.org/r/20200203223736.99645-1-colin.king@canonical.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-02-03 23:03:49 -08:00
Masahiro Yamada
45586c7078 treewide: remove redundant IS_ERR() before error code check
'PTR_ERR(p) == -E*' is a stronger condition than IS_ERR(p).
Hence, IS_ERR(p) is unneeded.

The semantic patch that generates this commit is as follows:

// <smpl>
@@
expression ptr;
constant error_code;
@@
-IS_ERR(ptr) && (PTR_ERR(ptr) == - error_code)
+PTR_ERR(ptr) == - error_code
// </smpl>

Link: http://lkml.kernel.org/r/20200106045833.1725-1-masahiroy@kernel.org
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Cc: Julia Lawall <julia.lawall@lip6.fr>
Acked-by: Stephen Boyd <sboyd@kernel.org> [drivers/clk/clk.c]
Acked-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> [GPIO]
Acked-by: Wolfram Sang <wsa@the-dreams.de> [drivers/i2c]
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> [acpi/scan.c]
Acked-by: Rob Herring <robh@kernel.org>
Cc: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-02-04 03:05:27 +00:00
Linus Torvalds
f4a6365ae8 There are a few changes to the core framework this time around, in addition to
the normal collection of driver updates to support new SoCs, fix incorrect
 data, and convert various drivers to clk_hw based APIs.
 
 In the core, we allow clk_ops::init() to return an error code now so that we
 can fail clk registration if the callback does something like fail to allocate
 memory. We also add a new "terminate" clk_op so that things done in
 clk_ops::init() can be undone, e.g. free memory. We also spit out a warning now
 when critical clks fail to enable and we support changing clk rates and
 enable/disable state through debugfs when developers compile the kernel
 themselves.
 
 On the driver front, we get support for what seems like a lot of Qualcomm and
 NXP SoCs given that those vendors dominate the diffstat. There are a couple new
 drivers for Xilinx and Amlogic SoCs too. The updates are all small things like
 fixing the way glitch free muxes switch parents, avoiding div-by-zero problems,
 or fixing data like parent names. See the updates section below for more
 details.
 
 Finally, the "basic" clk types have been converted to support specifying
 parents with clk_hw pointers. This work includes an overhaul of the fixed-rate
 clk type to be more modern by using clk_hw APIs.
 
 Core:
  - Let clk_ops::init() return an error code
  - Add a clk_ops::terminate() callback to undo clk_ops::init()
  - Warn about critical clks that fail to enable or prepare
  - Support dangerous debugfs actions on clks with dead code
 
 New Drivers:
  - Support for Xilinx Versal platform clks
  - Display clk controller on qcom sc7180
  - Video clk controller on qcom sc7180
  - Graphics clk controller on qcom sc7180
  - CPU PLLs for qcom msm8916
  - Move qcom msm8974 gfx3d clk to RPM control
  - Display port clk support on qcom sdm845 SoCs
  - Global clk controller on qcom ipq6018
  - Add a driver for BCLK of Freescale SAI cores
  - Add cam, vpe and sgx clock support for TI dra7
  - Add aess clock support for TI omap5
  - Enable clks for CPUfreq on Allwinner A64 SoCs
  - Add Amlogic meson8b DDR clock controller
  - Add input clocks to Amlogic meson8b controllers
  - Add SPIBSC (SPI FLASH) clock on Renesas RZ/A2
  - i.MX8MP clk driver support
 
 Updates:
  - Convert gpio, fixed-factor, mux, gate, divider basic clks to hw based APIs
  - Detect more PRMCU variants in ux500 driver
  - Adjust the composite clk type to new way of describing clk parents
  - Fixes for clk controllers on qcom msm8998 SoCs
  - Fix gmac main clock for TI dra7
  - Move TI dra7-atl clock header to correct location
  - Fix hidden node name dependency on TI clkctrl clocks
  - Fix Amlogic meson8b mali clock update using the glitch free mux
  - Fix Amlogic pll driver division by zero at init
  - Prepare for split of Renesas R-Car H3 ES1.x and ES2.0+ config symbols
  - Switch more i.MX clk drivers to clk_hw based APIs
  - Disable non-functional divider between pll4_audio_div and
    pll4_post_div on imx6q
  - Fix watchdog2 clock name typo in imx7ulp clock driver
  - Set CLK_GET_RATE_NOCACHE flag for DRAM related clocks on i.MX8M SoCs
  - Suppress bind attrs for i.MX8M clock driver
  - Add a big comment in imx8qxp-lpcg driver to tell why
    devm_platform_ioremap_resource() shouldn't be used for the driver
  - A correction on i.MX8MN usb1_ctrl parent clock setting
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "There are a few changes to the core framework this time around, in
  addition to the normal collection of driver updates to support new
  SoCs, fix incorrect data, and convert various drivers to clk_hw based
  APIs.

  In the core, we allow clk_ops::init() to return an error code now so
  that we can fail clk registration if the callback does something like
  fail to allocate memory. We also add a new "terminate" clk_op so that
  things done in clk_ops::init() can be undone, e.g. free memory. We
  also spit out a warning now when critical clks fail to enable and we
  support changing clk rates and enable/disable state through debugfs
  when developers compile the kernel themselves.

  On the driver front, we get support for what seems like a lot of
  Qualcomm and NXP SoCs given that those vendors dominate the diffstat.
  There are a couple new drivers for Xilinx and Amlogic SoCs too. The
  updates are all small things like fixing the way glitch free muxes
  switch parents, avoiding div-by-zero problems, or fixing data like
  parent names. See the updates section below for more details.

  Finally, the "basic" clk types have been converted to support
  specifying parents with clk_hw pointers. This work includes an
  overhaul of the fixed-rate clk type to be more modern by using clk_hw
  APIs.

  Core:
   - Let clk_ops::init() return an error code
   - Add a clk_ops::terminate() callback to undo clk_ops::init()
   - Warn about critical clks that fail to enable or prepare
   - Support dangerous debugfs actions on clks with dead code

  New Drivers:
   - Support for Xilinx Versal platform clks
   - Display clk controller on qcom sc7180
   - Video clk controller on qcom sc7180
   - Graphics clk controller on qcom sc7180
   - CPU PLLs for qcom msm8916
   - Move qcom msm8974 gfx3d clk to RPM control
   - Display port clk support on qcom sdm845 SoCs
   - Global clk controller on qcom ipq6018
   - Add a driver for BCLK of Freescale SAI cores
   - Add cam, vpe and sgx clock support for TI dra7
   - Add aess clock support for TI omap5
   - Enable clks for CPUfreq on Allwinner A64 SoCs
   - Add Amlogic meson8b DDR clock controller
   - Add input clocks to Amlogic meson8b controllers
   - Add SPIBSC (SPI FLASH) clock on Renesas RZ/A2
   - i.MX8MP clk driver support

  Updates:
   - Convert gpio, fixed-factor, mux, gate, divider basic clks to hw
     based APIs
   - Detect more PRMCU variants in ux500 driver
   - Adjust the composite clk type to new way of describing clk parents
   - Fixes for clk controllers on qcom msm8998 SoCs
   - Fix gmac main clock for TI dra7
   - Move TI dra7-atl clock header to correct location
   - Fix hidden node name dependency on TI clkctrl clocks
   - Fix Amlogic meson8b mali clock update using the glitch free mux
   - Fix Amlogic pll driver division by zero at init
   - Prepare for split of Renesas R-Car H3 ES1.x and ES2.0+ config
     symbols
   - Switch more i.MX clk drivers to clk_hw based APIs
   - Disable non-functional divider between pll4_audio_div and
     pll4_post_div on imx6q
   - Fix watchdog2 clock name typo in imx7ulp clock driver
   - Set CLK_GET_RATE_NOCACHE flag for DRAM related clocks on i.MX8M
     SoCs
   - Suppress bind attrs for i.MX8M clock driver
   - Add a big comment in imx8qxp-lpcg driver to tell why
     devm_platform_ioremap_resource() shouldn't be used for the driver
   - A correction on i.MX8MN usb1_ctrl parent clock setting"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (140 commits)
  dt/bindings: clk: fsl,plldig: Drop 'bindings' from schema id
  clk: ls1028a: Fix warning on clamp() usage
  clk: qoriq: add ls1088a hwaccel clocks support
  clk: ls1028a: Add clock driver for Display output interface
  dt/bindings: clk: Add YAML schemas for LS1028A Display Clock bindings
  clk: fsl-sai: new driver
  dt-bindings: clock: document the fsl-sai driver
  clk: composite: add _register_composite_pdata() variants
  clk: qcom: rpmh: Sort OF match table
  dt-bindings: fix warnings in validation of qcom,gcc.yaml
  dt-binding: fix compilation error of the example in qcom,gcc.yaml
  clk: zynqmp: Add support for clock with CLK_DIVIDER_POWER_OF_TWO flag
  clk: zynqmp: Fix divider calculation
  clk: zynqmp: Add support for get max divider
  clk: zynqmp: Warn user if clock user are more than allowed
  clk: zynqmp: Extend driver for versal
  dt-bindings: clock: Add bindings for versal clock driver
  clk: ti: clkctrl: Fix hidden dependency to node name
  clk: ti: add clkctrl data dra7 sgx
  clk: ti: omap5: Add missing AESS clock
  ...
2020-02-03 22:10:18 +00:00
Stephen Boyd
21e157c62e clk: qcom: Don't overwrite 'cfg' in clk_rcg2_dfs_populate_freq()
The DFS frequency table logic overwrites 'cfg' while detecting the
parent clk and then later on in clk_rcg2_dfs_populate_freq() we use that
same variable to figure out the mode of the clk, either MND or not. Add
a new variable to hold the parent clk bit so that 'cfg' is left
untouched for use later.

This fixes problems in detecting the supported frequencies for any clks
in DFS mode.

Fixes: cc4f6944d0 ("clk: qcom: Add support for RCG to register for DFS")
Reported-by: Rajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20200128193329.45635-1-sboyd@kernel.org
Tested-by: Rajendra Nayak <rnayak@codeaurora.org>
2020-02-03 11:19:50 -08:00
Stephen Boyd
0d152f2db5 clk: ls1028a: Fix warning on clamp() usage
These constants are used in clamp() with the value being clamped an
unsigned long. Make them unsigned long defines so that clamp() doesn't
complain about comparing different types.

In file included from include/linux/list.h:9,
                 from include/linux/kobject.h:19,
                 from include/linux/of.h:17,
                 from include/linux/clk-provider.h:9,
                 from drivers/clk/clk-plldig.c:8:
drivers/clk/clk-plldig.c: In function 'plldig_determine_rate':
include/linux/kernel.h:835:29: warning: comparison of distinct pointer types lacks a cast
  835 |   (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
      |

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Wen He <wen.he_1@nxp.com>
Fixes: d37010a3c1 ("clk: ls1028a: Add clock driver for Display output interface")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20200203052507.93215-1-sboyd@kernel.org
2020-02-03 10:33:34 -08:00
Linus Torvalds
af32f3a414 - New Drivers
- Add support for ROHM BD71828 PMICs and GPIOs
    - Add support for Qualcomm Aqstic Audio Codecs WCD9340 and WCD9341
 
 - New Device Support
    - Add support for BD71828 to BD70528 RTC driver
    - Add support for Intel's Jasper Lake to LPSS PCI
 
  - New Functionality
    - Add support for Power Key to ROHM BD71828
    - Add support for Clocks to ROHM BD71828
    - Add support for GPIOs to Dialog DA9062
    - Add support for USB PD Notify to ChromiumOS EC
    - Allow callers to specify args when requesting regmap lookup; syscon
 
  - Fix-ups
    - Improve error handling and sanity checking; atmel-hlcdc, dln2
    - Device Tree support/documentation; bd71828, da9062, xylon,logicvc,
                                         ab8500, max14577, atmel-usart
    - Match devices using platform IDs; bd7xxxx
    - Refactor BD718x7 regulator component; bd718x7-regulator
    - Use standard interfaces/helpers; syscon, sm501
    - Trivial (whitespace, spelling, etc); ab8500-core, Kconfig
    - Remove unused code; db8500-prcmu, tqmx86
    - Wait until boot has finished before accessing registers; madera-core
    - Provide missing register value defaults; cs47l15-tables
    - Allow more time for hardware to reset; madera-core
 
  - Bug Fixes
    - Fix erroneous register values; rohm-bd70528
    - Fix register volatility; axp20x, rn5t618
    - Fix Kconfig dependencies; MFD_MAX77650
    - Fix incorrect compatible string; da9062-core
    - Fix syscon_regmap_lookup_by_phandle_args() stub; syscon
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Merge tag 'mfd-next-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "New Drivers:
   - Add support for ROHM BD71828 PMICs and GPIOs
   - Add support for Qualcomm Aqstic Audio Codecs WCD9340 and WCD9341

  New Device Support:
   - Add support for BD71828 to BD70528 RTC driver
   - Add support for Intel's Jasper Lake to LPSS PCI

  New Functionality:
   - Add support for Power Key to ROHM BD71828
   - Add support for Clocks to ROHM BD71828
   - Add support for GPIOs to Dialog DA9062
   - Add support for USB PD Notify to ChromiumOS EC
   - Allow callers to specify args when requesting regmap lookup; syscon

  Fix-ups:
   - Improve error handling and sanity checking; atmel-hlcdc, dln2
   - Device Tree support/documentation; bd71828, da9062, xylon,logicvc,
     ab8500, max14577, atmel-usart
   - Match devices using platform IDs; bd7xxxx
   - Refactor BD718x7 regulator component; bd718x7-regulator
   - Use standard interfaces/helpers; syscon, sm501
   - Trivial (whitespace, spelling, etc); ab8500-core, Kconfig
   - Remove unused code; db8500-prcmu, tqmx86
   - Wait until boot has finished before accessing registers;
     madera-core
   - Provide missing register value defaults; cs47l15-tables
   - Allow more time for hardware to reset; madera-core

  Bug Fixes:
   - Fix erroneous register values; rohm-bd70528
   - Fix register volatility; axp20x, rn5t618
   - Fix Kconfig dependencies; MFD_MAX77650
   - Fix incorrect compatible string; da9062-core
   - Fix syscon_regmap_lookup_by_phandle_args() stub; syscon"

* tag 'mfd-next-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (41 commits)
  mfd: syscon: Fix syscon_regmap_lookup_by_phandle_args() dummy
  mfd: wcd934x: Add support to wcd9340/wcd9341 codec
  mfd: syscon: Add arguments support for syscon reference
  mfd: rn5t618: Mark ADC control register volatile
  dt-bindings: atmel-usart: Add microchip,sam9x60-{usart, dbgu}
  dt-bindings: atmel-usart: Remove wildcard
  mfd: cros_ec: Add cros-usbpd-notify subdevice
  mfd: da9062: Fix watchdog compatible string
  mfd: madera: Allow more time for hardware reset
  mfd: cs47l15: Add missing register default
  mfd: madera: Wait for boot done before accessing any other registers
  mfd: Kconfig: Rename Samsung to lowercase
  mfd: tqmx86: remove set but not used variable 'i2c_ien'
  mfd: dbx500-prcmu: Drop DSI pll clock functions
  mfd: dbx500-prcmu: Drop set_display_clocks()
  mfd: max77650: Select REGMAP_IRQ in Kconfig
  mfd: axp20x: Mark AXP20X_VBUS_IPSOUT_MGMT as volatile
  mfd: ab8500: Fix ab8500-clk typo
  mfd: intel-lpss: Add Intel Jasper Lake PCI IDs
  dt-bindings: mfd: max14577: Add reference to max14040_battery.txt descriptions
  ...
2020-02-03 14:51:57 +00:00
Stephen Boyd
db865ee447 Merge branches 'clk-imx', 'clk-ti', 'clk-xilinx', 'clk-nvidia', 'clk-qcom', 'clk-freescale' and 'clk-qoriq' into clk-next
- Support for Xilinx Versal platform clks
 - Display clk controller on qcom sc7180
 - Video clk controller on qcom sc7180
 - Graphics clk controller on qcom sc7180
 - CPU PLLs for qcom msm8916
 - Fixes for clk controllers on qcom msm8998 SoCs
 - Move qcom msm8974 gfx3d clk to RPM control
 - Display port clk support on qcom sdm845 SoCs
 - Global clk controller on qcom ipq6018
 - Adjust composite clk to new way of describing clk parents
 - Add a driver for BCLK of Freescale SAI cores

* clk-imx: (32 commits)
  clk: imx: Add support for i.MX8MP clock driver
  dt-bindings: imx: Add clock binding doc for i.MX8MP
  clk: imx: gate4: Switch imx_clk_gate4_flags() to clk_hw based API
  clk: imx: imx8mq: Switch to clk_hw based API
  clk: imx: imx8mm: Switch to clk_hw based API
  clk: imx: imx8mn: Switch to clk_hw based API
  clk: imx: Remove __init for imx_obtain_fixed_clk_hw() API
  clk: imx: gate3: Switch to clk_hw based API
  clk: imx: add hw API imx_clk_hw_mux2_flags
  clk: imx: add imx_unregister_hw_clocks
  clk: imx: clk-composite-8m: Switch to clk_hw based API
  clk: imx: clk-pll14xx: Switch to clk_hw based API
  clk: imx7up: Rename the clks to hws
  clk: imx: Rename the imx_clk_divider_gate to imply it's clk_hw based
  clk: imx: Rename the imx_clk_pfdv2 to imply it's clk_hw based
  clk: imx: Rename the imx_clk_pllv4 to imply it's clk_hw based
  clk: imx: Rename sccg and frac pll register to suggest clk_hw
  clk: imx: imx7ulp composite: Rename to show is clk_hw based
  clk: imx: pllv2: Switch to clk_hw based API
  clk: imx: pllv1: Switch to clk_hw based API
  ...

* clk-ti:
  clk: ti: clkctrl: Fix hidden dependency to node name
  clk: ti: add clkctrl data dra7 sgx
  clk: ti: omap5: Add missing AESS clock
  clk: ti: dra7: fix parent for gmac_clkctrl
  clk: ti: dra7: add vpe clkctrl data
  clk: ti: dra7: add cam clkctrl data
  dt-bindings: clock: Move ti-dra7-atl.h to dt-bindings/clock

* clk-xilinx:
  clk: zynqmp: Add support for clock with CLK_DIVIDER_POWER_OF_TWO flag
  clk: zynqmp: Fix divider calculation
  clk: zynqmp: Add support for get max divider
  clk: zynqmp: Warn user if clock user are more than allowed
  clk: zynqmp: Extend driver for versal
  dt-bindings: clock: Add bindings for versal clock driver

* clk-nvidia:
  clk: tegra20/30: Explicitly set parent clock for Video Decoder
  clk: tegra20/30: Don't pre-initialize displays parent clock
  clk: tegra: divider: Check UART's divider enable-bit state on rate's recalculation
  clk: tegra: clk-dfll: Remove call to pm_runtime_irq_safe()
  clk: tegra: Mark fuse clock as critical

* clk-qcom: (35 commits)
  clk: qcom: rpmh: Sort OF match table
  dt-bindings: fix warnings in validation of qcom,gcc.yaml
  dt-binding: fix compilation error of the example in qcom,gcc.yaml
  clk: qcom: Add ipq6018 Global Clock Controller support
  clk: qcom: Add DT bindings for ipq6018 gcc clock controller
  clk: qcom: gcc-msm8996: Fix parent for CLKREF clocks
  clk: qcom: rpmh: Add IPA clock for SC7180
  clk: qcom: rpmh: skip undefined clocks when registering
  clk: qcom: Add video clock controller driver for SC7180
  dt-bindings: clock: Introduce SC7180 QCOM Video clock bindings
  dt-bindings: clock: Add YAML schemas for the QCOM VIDEOCC clock bindings
  clk: qcom: Add graphics clock controller driver for SC7180
  dt-bindings: clock: Introduce SC7180 QCOM Graphics clock bindings
  dt-bindings: clock: Add YAML schemas for the QCOM GPUCC clock bindings
  clk: qcom: apcs-msm8916: use clk_parent_data to specify the parent
  clk: qcom: Add display clock controller driver for SC7180
  dt-bindings: clock: Introduce QCOM sc7180 display clock bindings
  dt-bindings: clock: Add YAML schemas for the QCOM DISPCC clock bindings
  clk: qcom: clk-alpha-pll: Add support for Fabia PLL calibration
  clk: qcom: alpha-pll: Remove useless read from set rate
  ...

* clk-freescale:
  clk: fsl-sai: new driver
  dt-bindings: clock: document the fsl-sai driver
  clk: composite: add _register_composite_pdata() variants

* clk-qoriq:
  clk: qoriq: add ls1088a hwaccel clocks support
  clk: ls1028a: Add clock driver for Display output interface
  dt/bindings: clk: Add YAML schemas for LS1028A Display Clock bindings
2020-01-31 13:14:26 -08:00
Stephen Boyd
6e7a9f0c4e Merge branches 'clk-debugfs-danger', 'clk-basic-hw', 'clk-renesas', 'clk-amlogic' and 'clk-allwinner' into clk-next
- Support dangerous debugfs actions on clks with dead code
 - Convert gpio, fixed-factor, mux, gate, divider basic clks to hw based APIs

* clk-debugfs-danger:
  clk: Add support for setting clk_rate via debugfs

* clk-basic-hw:
  clk: divider: Add support for specifying parents via DT/pointers
  clk: gate: Add support for specifying parents via DT/pointers
  clk: mux: Add support for specifying parents via DT/pointers
  clk: asm9260: Use parent accuracy in fixed rate clk
  clk: fixed-rate: Document that accuracy isn't a rate
  clk: fixed-rate: Add clk flags for parent accuracy
  clk: fixed-rate: Add support for specifying parents via DT/pointers
  clk: fixed-rate: Document accuracy member
  clk: fixed-rate: Move to_clk_fixed_rate() to C file
  clk: fixed-rate: Remove clk_register_fixed_rate_with_accuracy()
  clk: fixed-rate: Convert to clk_hw based APIs
  clk: gpio: Use DT way of specifying parents

* clk-renesas:
  clk: renesas: Prepare for split of R-Car H3 config symbol
  dt-bindings: clock: renesas: cpg-mssr: Fix r8a774b1 typo
  clk: renesas: r7s9210: Add SPIBSC clock
  clk: renesas: rcar-gen3: Allow changing the RPC[D2] clocks
  clk: renesas: Remove use of ARCH_R8A7796
  clk: renesas: rcar-gen2: Change multipliers and dividers to u8

* clk-amlogic:
  clk: clarify that clk_set_rate() does updates from top to bottom
  clk: meson: meson8b: make the CCF use the glitch-free mali mux
  clk: meson: pll: Fix by 0 division in __pll_params_to_rate()
  clk: meson: g12a: fix missing uart2 in regmap table
  clk: meson: meson8b: use of_clk_hw_register to register the clocks
  clk: meson: meson8b: don't register the XTAL clock when provided via OF
  clk: meson: meson8b: change references to the XTAL clock to use [fw_]name
  clk: meson: meson8b: use clk_hw_set_parent in the CPU clock notifier
  clk: meson: add a driver for the Meson8/8b/8m2 DDR clock controller
  dt-bindings: clock: meson8b: add the clock inputs
  dt-bindings: clock: add the Amlogic Meson8 DDR clock controller binding

* clk-allwinner:
  clk: sunxi: a23/a33: Export the MIPI PLL
  clk: sunxi: a31: Export the MIPI PLL
  clk: sunxi-ng: a64: export CLK_CPUX clock for DVFS
  clk: sunxi-ng: add mux and pll notifiers for A64 CPU clock
  clk: sunxi-ng: r40: Export MBUS clock
  clk: sunxi: use of_device_get_match_data
2020-01-31 13:12:14 -08:00
Stephen Boyd
36bf7a5bdd Merge branches 'clk-uniphier', 'clk-warn-critical', 'clk-ux500', 'clk-kconfig' and 'clk-at91' into clk-next
- Warn about critical clks that fail to enable or prepare
 - Detect more PRMCU variants in ux500 driver

* clk-uniphier:
  clk: uniphier: Add SCSSI clock gate for each channel

* clk-warn-critical:
  clk: Warn about critical clks that fail to enable
  clk: Don't try to enable critical clocks if prepare failed
  clk: tegra: Fix double-free in tegra_clk_init()
  clk: samsung: exynos5420: Keep top G3D clocks enabled
  clk: qcom: Avoid SMMU/cx gdsc corner cases
  clk: qcom: gcc-sc7180: Fix setting flag for votable GDSCs
  clk: Move clk_core_reparent_orphans() under CONFIG_OF
  clk: at91: fix possible deadlock
  clk: walk orphan list on clock provider registration
  clk: imx: pll14xx: fix clk_pll14xx_wait_lock
  clk: imx: clk-imx7ulp: Add missing sentinel of ulp_div_table
  clk: imx: clk-composite-8m: add lock to gate/mux

* clk-ux500:
  clk: ux500: Fix up the SGA clock for some variants

* clk-kconfig:
  clk: Fix Kconfig indentation

* clk-at91:
  clk: at91: sam9x60: fix programmable clock prescaler
  clk: at91: sam9x60-pll: adapt PMC_PLL_ACR default value
2020-01-31 13:12:00 -08:00
Stephen Boyd
28db9a8c82 Merge branches 'clk-init-allocation', 'clk-unused' and 'clk-register-dt-node-better' into clk-next
- Let clk_ops::init() return an error code
 - Add a clk_ops::terminate() callback to undo clk_ops::init()

* clk-init-allocation:
  clk: add terminate callback to clk_ops
  clk: let init callback return an error code
  clk: actually call the clock init before any other callback of the clock

* clk-unused:
  clk: bm1800: Remove set but not used variable 'fref'

* clk-register-dt-node-better:
  clk: Use parent node pointer during registration if necessary
2020-01-31 13:11:52 -08:00
Yangbo Lu
a932872f1b clk: qoriq: add ls1088a hwaccel clocks support
This patch is to add hwaccel clocks information for ls1088a.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Link: https://lkml.kernel.org/r/20191216100111.17122-1-yangbo.lu@nxp.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-01-30 16:32:13 -08:00
Wen He
d37010a3c1 clk: ls1028a: Add clock driver for Display output interface
Add clock driver for QorIQ LS1028A Display output interfaces(LCD, DPHY),
as implemented in TSMC CLN28HPM PLL, this PLL supports the programmable
integer division and range of the display output pixel clock's 27-594MHz.

Signed-off-by: Wen He <wen.he_1@nxp.com>
Signed-off-by: Michael Walle <michael@walle.cc>
Link: https://lkml.kernel.org/r/20191213083402.35678-2-wen.he_1@nxp.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-01-30 16:28:07 -08:00
Michael Walle
9cd1020522 clk: fsl-sai: new driver
With this driver it is possible to use the BCLK pin of the SAI module as
a generic clock output. This is esp. useful if you want to drive a clock
to an audio codec. Because the output only allows integer divider values
the audio codec needs an integrated PLL.

Signed-off-by: Michael Walle <michael@walle.cc>
Link: https://lkml.kernel.org/r/20200102231101.11834-3-michael@walle.cc
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-01-28 13:26:48 -08:00
Michael Walle
73ef657275 clk: composite: add _register_composite_pdata() variants
Add support for the new way of specifying the clock parents. Add the
two new functions
    clk_hw_register_composite_pdata()
    clk_register_composite_pdata()
to let the driver provide parent_data instead of the parent_names.

Signed-off-by: Michael Walle <michael@walle.cc>
Link: https://lkml.kernel.org/r/20200102231101.11834-1-michael@walle.cc
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-01-28 13:26:48 -08:00
Bjorn Andersson
9e0cda721d clk: qcom: rpmh: Sort OF match table
sc7180 was added to the end of the match table, sort the table.

Fixes: eee28109f8 ("clk: qcom: clk-rpmh: Add support for RPMHCC for SC7180")
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lkml.kernel.org/r/20200124175934.3937473-1-bjorn.andersson@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-01-28 10:27:57 -08:00
Linus Torvalds
6a1000bd27 ioremap changes for 5.6
- remove ioremap_nocache given that is is equivalent to
    ioremap everywhere
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Merge tag 'ioremap-5.6' of git://git.infradead.org/users/hch/ioremap

Pull ioremap updates from Christoph Hellwig:
 "Remove the ioremap_nocache API (plus wrappers) that are always
  identical to ioremap"

* tag 'ioremap-5.6' of git://git.infradead.org/users/hch/ioremap:
  remove ioremap_nocache and devm_ioremap_nocache
  MIPS: define ioremap_nocache to ioremap
2020-01-27 13:03:00 -08:00
Matti Vaittinen
ae866dec74 clk: bd718x7: Support ROHM BD71828 clk block
BD71828GW is a single-chip power management IC for battery-powered portable
devices. Add support for controlling BD71828 clk using bd718x7 driver.

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2020-01-24 07:22:47 +00:00
Matti Vaittinen
1b1c26b24a mfd: Rohm PMICs: Use platform_device_id to match MFD sub-devices
Thanks to Stephen Boyd I today learned we can use platform_device_id
to do device and module matching for MFD sub-devices!

Do device matching using the platform_device_id instead of using
explicit module_aliases to load modules and custom parent-data field
to do module loading and sub-device matching.

Cc: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2020-01-24 07:21:48 +00:00
Tejas Patel
34bbe03617 clk: zynqmp: Add support for clock with CLK_DIVIDER_POWER_OF_TWO flag
Existing clock divider functions is not checking for
base of divider. So, if any clock divider is power of 2
then clock rate calculation will be wrong.

Add support to calculate divider value for the clocks
with CLK_DIVIDER_POWER_OF_TWO flag.

Signed-off-by: Tejas Patel <tejas.patel@xilinx.com>
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Link: https://lkml.kernel.org/r/1575527759-26452-7-git-send-email-rajan.vaja@xilinx.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-01-23 13:25:37 -08:00
Rajan Vaja
4ebd92d2e2 clk: zynqmp: Fix divider calculation
zynqmp_clk_divider_round_rate() returns actual divider value
after calculating from parent rate and desired rate, even though
that rate is not supported by single divider of hardware. It is
also possible that such divisor value can be achieved through 2
different dividers. As, Linux tries to set such divisor value(out
of range) in single divider set divider is getting failed.

Fix the same by computing best possible combination of two
divisors which provides more accurate clock rate.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Tejas Patel <tejas.patel@xilinx.com>
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Link: https://lkml.kernel.org/r/1575527759-26452-6-git-send-email-rajan.vaja@xilinx.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-01-23 13:25:37 -08:00
Rajan Vaja
e942171bbb clk: zynqmp: Add support for get max divider
To achieve best possible rate, maximum limit of divider is required
while computation. Get maximum supported divisor from firmware. To
maintain backward compatibility assign maximum possible value(0xFFFF)
if query for max divisor is not successful.

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Link: https://lkml.kernel.org/r/1575527759-26452-5-git-send-email-rajan.vaja@xilinx.com
Acked-by: Michal Simek <michal.simek@xilinx.com>
[sboyd@kernel.org: Remove else return and just return]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-01-23 13:25:32 -08:00
Rajan Vaja
df2a4d94f1 clk: zynqmp: Warn user if clock user are more than allowed
Warn user if clock is used by more than allowed devices.
This check is done by firmware and returns respective
error code. Upon receiving error code for excessive user,
warn user for the same.

This change is done to restrict VPLL use count. It is
assumed that VPLL is used by one user only.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Link: https://lkml.kernel.org/r/1575527759-26452-4-git-send-email-rajan.vaja@xilinx.com
Acked-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-01-23 13:25:25 -08:00
Rajan Vaja
c1e846b8ee clk: zynqmp: Extend driver for versal
Add Versal compatible string to support Versal
binding.

Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Link: https://lkml.kernel.org/r/1575527759-26452-3-git-send-email-rajan.vaja@xilinx.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-01-23 13:22:44 -08:00
Tony Lindgren
723a567f43 ARM: dts: Add missing omap5 secure clocks
The secure clocks on omap5 are similar to what we already have for dra7
with dra7_l4sec_clkctrl_regs and documented in the omap5432 TRM in
"Table 3-1044. CORE_CM_CORE Registers Mapping Summary".

The secure clocks are part of the l4per clock manager. As the l4per
clock manager has now two clock domains as children, let's also update
the l4per clockdomain node name to follow the "clock" node naming with
a domain specific compatible property.

Compared to omap4, omap5 has more clocks working in hardare autogating
mode.

Cc: devicetree@vger.kernel.org
Cc: Rob Herring <robh+dt@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2020-01-23 08:22:57 -08:00
Tony Lindgren
cfcbc2dbb7 ARM: dts: Add missing omap4 secure clocks
The secure clocks on omap4 are similar to what we already have for dra7
in dra7_l4sec_clkctrl_regs and documented in the omap4460 TRM "Table
3-1346 L4PER_CM2 Registers Mapping Summary".

The secure clocks are part of the l4_per clock manager. As the l4_per
clock manager has now two clock domains as children, let's also update
the l4_per clockdomain node name to follow the "clock" node naming with
a domain specific compatible property.

Cc: devicetree@vger.kernel.org
Cc: Rob Herring <robh+dt@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2020-01-23 08:20:17 -08:00
Tony Lindgren
6c30905205 clk: ti: clkctrl: Fix hidden dependency to node name
We currently have a hidden dependency to the device tree node name for
the clkctrl clocks. Instead of using standard node name like "clock", we
must use "l4-per-clkctrl" type naming so the clock driver can find the
associated clock domain. Further, if "clk" is specified for a clock node
name, the driver sets TI_CLK_CLKCTRL_COMPAT flag that uses different
logic for the clock name based on the parent node name for the all the
clkctrl clocks for the SoC.

If the clock node naming dependency is not understood, the related
clockdomain is not found, or a wrong one can get used if a clock manager
has multiple clock domains.

As each clkctrl instance represents a single clock domain, let's allow
using domain specific compatible names to specify the clock domain.

This simplifies things and removes the hidden dependency to the node
name. And then later on, after the node names have been standardized,
we can drop the related code for parsing the node names.

Let's also update the binding to use standard "clock" node naming
instead of "clk" and add the missing description for reg.

Cc: devicetree@vger.kernel.org
Cc: Rob Herring <robh+dt@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
2020-01-20 12:29:27 +02:00
Tony Lindgren
957ad44ff5 clk: ti: add clkctrl data dra7 sgx
This is similar to what we have for omap5 except the gpu_cm address is
different, the mux clocks have one more source option, and there's no
divider clock.

Note that because of the current dts node name dependency for mapping to
clock domain, we must still use "gpu-clkctrl@" naming instead of generic
"clock@" naming for the node. And because of this, it's probably best to
apply the dts node addition together along with the other clock changes.

For accessing the GPU, we also need to configure the interconnect target
module for GPU similar to what we have for omap5, I'll send that change
separately.

Cc: Benoit Parrot <bparrot@ti.com>
Cc: "H. Nikolaus Schaller" <hns@goldelico.com>
Cc: Robert Nelson <robertcnelson@gmail.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
2020-01-20 09:43:44 +02:00
Tony Lindgren
364975eeb4 clk: ti: omap5: Add missing AESS clock
Looks like we're missing AESS clock for omap5. This is similar to what
omap4 has.

Cc: H. Nikolaus Schaller <hns@goldelico.com>
Cc: Matthijs van Duin <matthijsvanduin@gmail.com>
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
2020-01-20 09:42:48 +02:00
Grygorii Strashko
69e3002837 clk: ti: dra7: fix parent for gmac_clkctrl
The parent clk for gmac clk ctrl has to be gmac_main_clk (125MHz) instead
of dpll_gmac_ck (1GHz). This is caused incorrect CPSW MDIO operation.
Hence, fix it.

Fixes: dffa9051d5 ('clk: ti: dra7: add new clkctrl data')
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
2020-01-20 09:41:28 +02:00
Benoit Parrot
7dfd5e619d clk: ti: dra7: add vpe clkctrl data
Add clkctrl data for VPE.

Signed-off-by: Benoit Parrot <bparrot@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
2020-01-20 09:39:52 +02:00
Benoit Parrot
7054c14f05 clk: ti: dra7: add cam clkctrl data
Add clkctrl data for CAM domain.

Signed-off-by: Benoit Parrot <bparrot@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
2020-01-20 09:36:50 +02:00
Linus Torvalds
575966e080 ARM: SoC fixes
I've been sitting on these longer than I meant, so the patch count is
 a bit higher than ideal for this part of the release. There's also some
 reverts of double-applied patches that brings the diffstat up a bit.
 
 With that said, the biggest changes are:
 
  - Revert of duplicate i2c device addition on two Aspeed (BMC) Devicetrees.
  - Move of two device nodes that got applied to the wrong part of the
    tree on ASpeed G6.
  - Regulator fix for Beaglebone X15 (adding 12/5V supplies)
  - Use interrupts for keys on Amlogic SM1 to avoid missed polls
 
 In addition to that, there is a collection of smaller DT fixes:
 
  - Power supply assignment fixes for i.MX6
  - Fix of interrupt line for magnetometer on i.MX8 Librem5 devkit
  - Build fixlets (selects) for davinci/omap2+
  - More interrupt number fixes for Stratix10, Amlogic SM1, etc.
  - ... and more similar fixes across different platforms
 
 And some non-DT stuff:
 
  - optee fix to register multiple shared pages properly
  - Clock calculation fixes for MMP3
  - Clock fixes for OMAP as well
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Olof Johansson:
 "I've been sitting on these longer than I meant, so the patch count is
  a bit higher than ideal for this part of the release. There's also
  some reverts of double-applied patches that brings the diffstat up a
  bit.

  With that said, the biggest changes are:

   - Revert of duplicate i2c device addition on two Aspeed (BMC)
     Devicetrees.

   - Move of two device nodes that got applied to the wrong part of the
     tree on ASpeed G6.

   - Regulator fix for Beaglebone X15 (adding 12/5V supplies)

   - Use interrupts for keys on Amlogic SM1 to avoid missed polls

  In addition to that, there is a collection of smaller DT fixes:

   - Power supply assignment fixes for i.MX6

   - Fix of interrupt line for magnetometer on i.MX8 Librem5 devkit

   - Build fixlets (selects) for davinci/omap2+

   - More interrupt number fixes for Stratix10, Amlogic SM1, etc.

   - ... and more similar fixes across different platforms

  And some non-DT stuff:

   - optee fix to register multiple shared pages properly

   - Clock calculation fixes for MMP3

   - Clock fixes for OMAP as well"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (42 commits)
  MAINTAINERS: Add myself as the co-maintainer for Actions Semi platforms
  ARM: dts: imx7: Fix Toradex Colibri iMX7S 256MB NAND flash support
  ARM: dts: imx6sll-evk: Remove incorrect power supply assignment
  ARM: dts: imx6sl-evk: Remove incorrect power supply assignment
  ARM: dts: imx6sx-sdb: Remove incorrect power supply assignment
  ARM: dts: imx6qdl-sabresd: Remove incorrect power supply assignment
  ARM: dts: imx6q-icore-mipi: Use 1.5 version of i.Core MX6DL
  ARM: omap2plus: select RESET_CONTROLLER
  ARM: davinci: select CONFIG_RESET_CONTROLLER
  ARM: dts: aspeed: rainier: Fix fan fault and presence
  ARM: dts: aspeed: rainier: Remove duplicate i2c busses
  ARM: dts: aspeed: tacoma: Remove duplicate flash nodes
  ARM: dts: aspeed: tacoma: Remove duplicate i2c busses
  ARM: dts: aspeed: tacoma: Fix fsi master node
  ARM: dts: aspeed-g6: Fix FSI master location
  ARM: dts: mmp3: Fix the TWSI ranges
  clk: mmp2: Fix the order of timer mux parents
  ARM: mmp: do not divide the clock rate
  arm64: dts: rockchip: Fix IR on Beelink A1
  optee: Fix multi page dynamic shm pool alloc
  ...
2020-01-16 19:42:08 -08:00
Stephen Boyd
a0af274247 Our usual set of fixes for Allwinner, to fix the number of reported
clocks on the v3s, fixing the external clock on the R40, and some
 fixes for the AR100 co-processor clocks.
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Merge tag 'sunxi-clk-fixes-for-5.5' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into clk-fixes

Pull Allwinner clk fixes from Maxime Ripard:

Our usual set of fixes for Allwinner, to fix the number of reported
clocks on the v3s, fixing the external clock on the R40, and some
fixes for the AR100 co-processor clocks.

* tag 'sunxi-clk-fixes-for-5.5' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  clk: sunxi-ng: h6-r: Fix AR100/R_APB2 parent order
  clk: sunxi-ng: h6-r: Simplify R_APB1 clock definition
  clk: sunxi-ng: sun8i-r: Fix divider on APB0 clock
  clk: sunxi-ng: r40: Allow setting parent rate for external clock outputs
  clk: sunxi-ng: v3s: Fix incorrect number of hw_clks.
2020-01-13 09:55:41 -08:00