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Commit Graph

7786 Commits

Author SHA1 Message Date
Jiaxun Yang
90429205c0 clk: pistachio: Make it selectable for generic MIPS kernel
We're moving pistachio to generic MIPS kernel. The clk driver
should be avilable to the generic MIPS kernel.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2021-08-12 16:01:49 +02:00
Dmitry Osipenko
faa8605f9f clk: tegra: Remove CLK_IS_CRITICAL flag from fuse clock
FUSE driver now takes care of keeping the clock enabled when necessary.
Remove the CLK_IS_CRITICAL flag from the clock.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2021-08-11 11:57:01 +02:00
Linus Walleij
9050ad816f mfd: db8500-prcmu: Handle missing FW variant
There was an "unknown" firmware variant turning up in the wild
causing problems in the clock driver. Add this missing variant
and clarify that varian 11 and 15 are Samsung variants, as this
is now very well known from released products.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-08-09 09:33:29 +01:00
Shawn Guo
5d9bc010db clk: qcom: a53-pll: Add MSM8939 a53pll support
MSM8939 has 3 a53pll clocks with different frequency table for Cluster0,
Cluster1 and CCI.  It adds function qcom_a53pll_get_freq_tbl() to create
pll_freq_tbl from OPP, so that those a53pll frequencies can be defined
in DT with operating-points-v2 bindings rather than being coded in the
driver.  In this case, one compatible rather than three would be needed
for these 3 a53pll clocks.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20210704024032.11559-5-shawn.guo@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-08-05 18:52:11 -07:00
Shawn Guo
05cc560c8c clk: qcom: a53pll/mux: Use unique clock name
Different from MSM8916 which has only one a53pll/mux clock, MSM8939 gets
three for Cluster0 (little cores), Cluster1 (big cores) and CCI (Cache
Coherent Interconnect).  That said, a53pll/mux clock needs to be named
uniquely.  Append @unit-address of device node to the clock name, so
that a53pll/mux will be named like below on MSM8939.

  a53pll@b016000
  a53pll@b116000
  a53pll@b1d0000

  a53mux@b1d1000
  a53mux@b011000
  a53mux@b111000

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20210704024032.11559-3-shawn.guo@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-08-05 18:52:11 -07:00
Shawn Guo
0dfe9bf91f clk: qcom: apcs-msm8916: Flag a53mux instead of a53pll as critical
The clock source for MSM8916 cpu cores is like below.

                        |\
         a53pll --------| \ a53mux     +------+
                        | |------------| cpus |
     gpll0_vote --------| /            +------+
                        |/

So a53mux rather than a53pll is actually the parent clock of cpu cores.
It makes more sense to flag a53mux as critical instead, so that when
either a53pll or gpll0_vote is used by cpu cores, the clock will be kept
enabled while the other can be disabled.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20210704024032.11559-2-shawn.guo@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-08-05 18:52:11 -07:00
Bjorn Andersson
945cb3a105 clk: qcom: gpucc-sm8150: Add SC8180x support
The GPU clock controller found in SC8180x is a variant of the same block
found in SM8150, but with one additional clock frequency for the
gmu_clk_src clock.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210721225329.3035779-1-bjorn.andersson@linaro.org
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-08-05 18:50:43 -07:00
Konrad Dybcio
48662d988d clk: qcom: smd-rpm: Add mdm9607 clocks
Add support for RPM-managed clocks on the MDM9607 platform.

Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210805222400.39027-2-konrad.dybcio@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-08-05 18:48:15 -07:00
Vladimir Lypak
9c53768566 clk: qcom: rpmcc: Add support for MSM8953 RPM clocks.
Add definitions for RPM clocks used on MSM8953 platform.

Signed-off-by: Vladimir Lypak <junak.pub@gmail.com>
Signed-off-by: Adam Skladowski <a_skl39@protonmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Sireesh Kodali <sireeshkodali@protonmail.com>
Link: https://lore.kernel.org/r/QZ0fkozlubDdc7CvqjZPhAviFmjJ28ht7Y4PT3rYM@cp4-web-038.plabs.ch
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-08-05 18:44:49 -07:00
Iskren Chernev
f55f32ee10 clk: qcom: smd: Add support for SM6115 rpm clocks
Add rpm smd clocks, PMIC and bus clocks which are required on
SM4250/6115 for clients to vote on.

Signed-off-by: Iskren Chernev <iskren.chernev@gmail.com>
Link: https://lore.kernel.org/r/20210731164827.2756798-2-iskren.chernev@gmail.com
[sboyd@kernel.org: Drop duplicate define, merge with sm6125 support]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-08-05 18:41:40 -07:00
Martin Botka
edeb2ca747 clk: qcom: smd: Add support for SM6125 rpm clocks
Add rpm smd clocks, PMIC and bus clocks which are required on SM6125
for clients to vote on.

Signed-off-by: Martin Botka <martin.botka@somainline.org>
Link: https://lore.kernel.org/r/20210730215924.733350-2-martin.botka@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-08-05 18:27:56 -07:00
Bjorn Andersson
9711759a87 clk: qcom: gdsc: Ensure regulator init state matches GDSC state
As GDSCs are registered and found to be already enabled gdsc_init()
ensures that 1) the kernel state matches the hardware state, and 2)
votable GDSCs are properly enabled from this master as well.

But as the (optional) supply regulator is enabled deep into
gdsc_toggle_logic(), which is only executed for votable GDSCs, the
kernel's state of the regulator might not match the hardware. The
regulator might be automatically turned off if no other users are
present or the next call to gdsc_disable() would cause an unbalanced
regulator_disable().

Given that the votable case deals with an already enabled GDSC, most of
gdsc_enable() and gdsc_toggle_logic() can be skipped. Reduce it to just
clearing the SW_COLLAPSE_MASK and enabling hardware control to simply
call regulator_enable() in both cases.

The enablement of hardware control seems to be an independent property
from the GDSC being enabled, so this is moved outside that conditional
segment.

Lastly, as the propagation of ALWAYS_ON to GENPD_FLAG_ALWAYS_ON needs to
happen regardless of the initial state this is grouped together with the
other sc->pd updates at the end of the function.

Cc: stable@vger.kernel.org
Fixes: 37416e5549 ("clk: qcom: gdsc: Handle GDSC regulator supplies")
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210721224056.3035016-1-bjorn.andersson@linaro.org
[sboyd@kernel.org: Rephrase commit text]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-08-05 18:19:04 -07:00
Dong Aisheng
283f1b9a04 clk: imx6q: fix uart earlycon unwork
The earlycon depends on the bootloader setup UART clocks being retained.
There're actually two uart clocks (ipg, per) on MX6QDL,
but the 'Fixes' commit change to register only one which means
another clock may be disabled during booting phase
and result in the earlycon unwork.

Cc: stable@vger.kernel.org # v5.10+
Fixes: 379c9a24cc ("clk: imx: Fix reparenting of UARTs not associated with stdout")
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Link: https://lore.kernel.org/r/20210702085438.1988087-1-aisheng.dong@nxp.com
Reviewed-by: Abel Vesa <abel.vesa@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-08-05 18:12:23 -07:00
Martin Blumenstingl
23a57ee7af clk: stm32mp1: Switch to clk_divider.determine_rate
.determine_rate is meant to replace .round_rate in CCF in the future.
Switch over to .determine_rate now that clk_divider_ops has gained
support for that.

Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: linux-stm32@st-md-mailman.stormreply.com
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20210702225145.2643303-7-martin.blumenstingl@googlemail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-08-05 17:36:10 -07:00
Martin Blumenstingl
f9d6b4832c clk: stm32h7: Switch to clk_divider.determine_rate
.determine_rate is meant to replace .round_rate in CCF in the future.
Switch over to .determine_rate now that clk_divider_ops has gained
support for that.

Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: linux-stm32@st-md-mailman.stormreply.com
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20210702225145.2643303-6-martin.blumenstingl@googlemail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-08-05 17:36:10 -07:00
Martin Blumenstingl
d1e40bc9ff clk: stm32f4: Switch to clk_divider.determine_rate
.determine_rate is meant to replace .round_rate in CCF in the future.
Switch over to .determine_rate now that clk_divider_ops has gained
support for that.

Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: linux-stm32@st-md-mailman.stormreply.com
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20210702225145.2643303-5-martin.blumenstingl@googlemail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-08-05 17:36:10 -07:00
Martin Blumenstingl
699470f372 clk: bcm2835: Switch to clk_divider.determine_rate
.determine_rate is meant to replace .round_rate in CCF in the future.
Switch over to .determine_rate now that clk_divider_ops has gained
support for that.

Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Nicolas Saenz Julienne <nsaenz@kernel.org>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>
Cc: bcm-kernel-feedback-list@broadcom.com
Cc: linux-rpi-kernel@lists.infradead.org
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20210702225145.2643303-4-martin.blumenstingl@googlemail.com
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-08-05 17:36:10 -07:00
Martin Blumenstingl
69a00fb3d6 clk: divider: Implement and wire up .determine_rate by default
.determine_rate is meant to replace .round_rate. The former comes with a
benefit which is especially relevant on 32-bit systems: since
.determine_rate uses an "unsigned long" (compared to a "signed long"
which is used by .round_rate) the maximum value on 32-bit systems
increases from 2^31 (or approx. 2.14GHz) to 2^32 (or approx. 4.29GHz).

Implement .determine_rate in addition to .round_rate so drivers that are
using clk_divider_{ro_,}ops can benefit from this by default. Keep the
.round_rate callback for now since some drivers rely on
clk_divider_ops.round_rate being implemented.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20210702225145.2643303-2-martin.blumenstingl@googlemail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-08-05 17:35:58 -07:00
Jason Wang
28fc39f7ab clk: palmas: Add a missing SPDX license header
Add the missing SPDX license header to drivers/clk/clk-palmas.c.

Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Link: https://lore.kernel.org/r/20210731132226.424853-1-wangborong@cdjrlc.com
[sboyd@kernel.org: Also remove boilerplate from comment]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-08-05 17:34:30 -07:00
Linus Torvalds
785ee98349 A collection of clk driver fixes and one core clk API fix
- Fix stm32 clk data to avoid a crash early on
 
  - Fix a randconfig build error in HiSilicon clk driver
 
  - Avoid an oops at boot on Qualcomm MSM8936 SoCs due to an
    improper consolidation of structs
 
  - Fix imbalanced disabling of the unused MMC clock on Tegra210
    Jetson Nano
 
  - Plug a memory leak in devm_clk_bulk_get_all() unwind path
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk fixes from Stephen Boyd:
 "A collection of clk driver fixes and one core clk API fix:

   - Fix stm32 clk data to avoid a crash early on

   - Fix a randconfig build error in HiSilicon clk driver

   - Avoid an oops at boot on Qualcomm MSM8936 SoCs due to
     an improper consolidation of structs

   - Fix imbalanced disabling of the unused MMC clock on
     Tegra210 Jetson Nano

   - Plug a memory leak in devm_clk_bulk_get_all() unwind
     path"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: fix leak on devm_clk_bulk_get_all() unwind
  clk: tegra: Implement disable_unused() of tegra_clk_sdmmc_mux_ops
  clk: qcom: smd-rpm: Fix MSM8936 RPM_SMD_PCNOC_A_CLK
  clk: hisilicon: hi3559a: select RESET_HISI
  clk: stm32f4: fix post divisor setup for I2S/SAI PLLs
2021-08-03 09:26:09 -07:00
Brian Norris
f828b0bcac clk: fix leak on devm_clk_bulk_get_all() unwind
clk_bulk_get_all() allocates an array of struct clk_bulk data for us
(unlike clk_bulk_get()), so we need to free it. Let's use the
clk_bulk_put_all() helper.

kmemleak complains, on an RK3399 Gru/Kevin system:

unreferenced object 0xffffff80045def00 (size 128):
  comm "swapper/0", pid 1, jiffies 4294667682 (age 86.394s)
  hex dump (first 32 bytes):
    44 32 60 fe fe ff ff ff 00 00 00 00 00 00 00 00  D2`.............
    48 32 60 fe fe ff ff ff 00 00 00 00 00 00 00 00  H2`.............
  backtrace:
    [<00000000742860d6>] __kmalloc+0x22c/0x39c
    [<00000000b0493f2c>] clk_bulk_get_all+0x64/0x188
    [<00000000325f5900>] devm_clk_bulk_get_all+0x58/0xa8
    [<00000000175b9bc5>] dwc3_probe+0x8ac/0xb5c
    [<000000009169e2f9>] platform_drv_probe+0x9c/0xbc
    [<000000005c51e2ee>] really_probe+0x13c/0x378
    [<00000000c47b1f24>] driver_probe_device+0x84/0xc0
    [<00000000f870fcfb>] __device_attach_driver+0x94/0xb0
    [<000000004d1b92ae>] bus_for_each_drv+0x8c/0xd8
    [<00000000481d60c3>] __device_attach+0xc4/0x150
    [<00000000a163bd36>] device_initial_probe+0x1c/0x28
    [<00000000accb6bad>] bus_probe_device+0x3c/0x9c
    [<000000001a199f89>] device_add+0x218/0x3cc
    [<000000001bd84952>] of_device_add+0x40/0x50
    [<000000009c658c29>] of_platform_device_create_pdata+0xac/0x100
    [<0000000021c69ba4>] of_platform_bus_create+0x190/0x224

Fixes: f08c2e2865 ("clk: add managed version of clk_bulk_get_all")
Cc: Dong Aisheng <aisheng.dong@nxp.com>
Cc: stable@vger.kernel.org
Signed-off-by: Brian Norris <briannorris@chromium.org>
Link: https://lore.kernel.org/r/20210731025950.2238582-1-briannorris@chromium.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-31 00:53:38 -07:00
Yunhao Tian
c0c81245da clk: rockchip: make rk3308 ddrphy4x clock critical
Currently, no driver support for DDR memory controller (DMC) is present,
as a result, no driver is explicitly consuming the ddrphy clock. This means
that VPLL1 (parent of ddr clock) will be shutdown if we enable
and then disable any child clock of VPLL1 (e.g. SCLK_I2S0_8CH_TX).
If VPLL1 is disabled, the whole system will freeze, because the DDR
controller will lose its clock. So, it's necessary to prevent VPLL1 from
shutting down, by marking the ddrphy4x CLK_IS_CRITICAL.

This bug was discovered when I was porting rockchip_i2s_tdm driver to
mainline kernel from Rockchip 4.4 kernel. I guess that other Rockchip
SoCs without DMC driver may need the same patch. If this applies to
other devices, please let us know.

Signed-off-by: Yunhao Tian <t123yh@outlook.com>
Link: https://lore.kernel.org/r/BYAPR20MB24886765F888A9705CBEB70789E39@BYAPR20MB2488.namprd20.prod.outlook.com
[adapted subject, changed to add the clock to the critical list]
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-07-29 12:43:11 +02:00
Peter Geis
6fffe52fb3 clk: rockchip: drop GRF dependency for rk3328/rk3036 pll types
The rk3036/rk3328 pll types were converted to checking the lock status
via the internal register in january 2020, so don't need the grf
reference since then.

But it was forgotten to remove grf check when deciding between the
pll rate ops (read-only vs. read-write), so a clock driver without
the needed grf reference might've been put into the read-only mode
just because the grf reference was missing.

This affected the rk356x that needs to reclock certain plls at boot.

Fix this by removing the check for the grf for selecting the utilized
operations.

Suggested-by: Heiko Stuebner <heiko@sntech.de>
Fixes: 7f6ffbb885 ("clk: rockchip: convert rk3036 pll type to use internal lock status")
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
[adjusted the commit message, adjusted the fixes tag]
Link: https://lore.kernel.org/r/20210728180034.717953-3-pgwipeout@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-07-29 11:22:29 +02:00
Dmitry Osipenko
2bcc025ab9 clk: tegra: Implement disable_unused() of tegra_clk_sdmmc_mux_ops
Implement disable_unused() callback of tegra_clk_sdmmc_mux_ops to fix
imbalanced disabling of the unused MMC clock on Tegra210 Jetson Nano.

Fixes: c592c8a28f ("clk: tegra: Fix refcounting of gate clocks")
Reported-by: Jon Hunter <jonathanh@nvidia.com> # T210 Nano
Tested-by: Jon Hunter <jonathanh@nvidia.com> # T210 Nano
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20210717112742.7196-1-digetx@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 14:54:19 -07:00
Andy Shevchenko
cf0a95659e clk: x86: Rename clk-lpt to more specific clk-lpss-atom
The LPT stands for Lynxpoint PCH. However the driver is used on a few
Intel Atom SoCs. Rename it to reflect this in a way how another clock
driver, i.e. clk-pmc-atom, is called.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210722193450.35321-1-andriy.shevchenko@linux.intel.com
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 14:03:47 -07:00
Liam Beguin
284c537a8a clk: lmk04832: drop redundant fallthrough statements
When the body of a case statement is empty, it is well understood that
it is intentional and explicit fallthrough statements are not required.
Drop them.

Signed-off-by: Liam Beguin <liambeguin@gmail.com>
Link: https://lore.kernel.org/r/20210708211645.3621902-1-liambeguin@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 11:52:30 -07:00
Miles Chen
d17e4e62df clk: mediatek: make COMMON_CLK_MT8167* depend on COMMON_CLK_MT8167
I found that COMMON_CLK_MT8167* do not depend on COMMON_CLK_MT8167,
so it is possible to config:

CONFIG_COMMON_CLK_MT8167=n
CONFIG_COMMON_CLK_MT8167_*=y

Although it does not cause build breaks with such configuration,
I think it is clearer to make COMMON_CLK_MT8167* depend on
COMMON_CLK_MT8167.

Signed-off-by: Miles Chen <miles.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210716051732.3422-1-miles.chen@mediatek.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 11:46:27 -07:00
Bjorn Andersson
17fef808ed clk: qcom: dispcc-sm8250: Add additional parent clocks for DP
The clock controller has two additional clock source pairs, in order to
support more than a single DisplayPort PHY. List these, so it's possible
to describe them all.

Also drop the unnecessary freq_tbl for the link clock sources, to allow
these parents to be used.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210721224610.3035258-1-bjorn.andersson@linaro.org
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 11:30:16 -07:00
Shawn Guo
4ee107c514 clk: qcom: smd-rpm: Fix MSM8936 RPM_SMD_PCNOC_A_CLK
Commit a0384ecfe2 ("clk: qcom: smd-rpm: De-duplicate identical
entries") introduces the following regression on MSM8936/MSM8939, as
RPM_SMD_PCNOC_A_CLK gets pointed to pcnoc_clk by mistake.  Fix it by
correcting the clock to pcnoc_a_clk.

[    1.307363] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
[    1.313593] Mem abort info:
[    1.322512]   ESR = 0x96000004
[    1.325132]   EC = 0x25: DABT (current EL), IL = 32 bits
[    1.338872]   SET = 0, FnV = 0
[    1.355483]   EA = 0, S1PTW = 0
[    1.368702]   FSC = 0x04: level 0 translation fault
[    1.383294] Data abort info:
[    1.398292]   ISV = 0, ISS = 0x00000004
[    1.398297]   CM = 0, WnR = 0
[    1.398301] [0000000000000000] user address but active_mm is swapper
[    1.404193] Internal error: Oops: 96000004 [#1] PREEMPT SMP
[    1.420596] Modules linked in:
[    1.420604] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.14.0-rc3+ #198
[    1.441010] pc : __clk_register+0x48/0x780
[    1.446045] lr : __clk_register+0x3c/0x780
[    1.449953] sp : ffff800010063440
[    1.454031] x29: ffff800010063440 x28: 0000000000000004 x27: 0000000000000066
[    1.457423] x26: 0000000000000001 x25: 000000007fffffff x24: ffff800010f9f388
[    1.464540] x23: ffff00007fc12a90 x22: ffff0000034b2010 x21: 0000000000000000
[    1.471658] x20: ffff800010f9fff8 x19: ffff00000152a700 x18: 0000000000000001
[    1.478778] x17: ffff00007fbd40c8 x16: 0000000000000460 x15: 0000000000000465
[    1.485895] x14: ffffffffffffffff x13: 746e756f635f7265 x12: 696669746f6e5f6b
[    1.493013] x11: 0000000000000006 x10: 0000000000000000 x9 : 0000000000000000
[    1.500131] x8 : ffff00000152a800 x7 : 0000000000000000 x6 : 000000000000003f
[    1.507249] x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000004
[    1.514367] x2 : 0000000000000000 x1 : 0000000000000cc0 x0 : ffff00000152a700
[    1.521486] Call trace:
[    1.528598]  __clk_register+0x48/0x780
[    1.530855]  clk_hw_register+0x20/0x60
[    1.534674]  devm_clk_hw_register+0x50/0xa8
[    1.538408]  rpm_smd_clk_probe+0x1a4/0x260
[    1.542488]  platform_probe+0x68/0xd8
[    1.546653]  really_probe+0x140/0x2f8
[    1.550386]  __driver_probe_device+0x78/0xe0
[    1.554033]  driver_probe_device+0x80/0x110
[    1.558373]  __device_attach_driver+0x90/0xe0
[    1.562280]  bus_for_each_drv+0x78/0xc8
[    1.566793]  __device_attach+0xf0/0x150
[    1.570438]  device_initial_probe+0x14/0x20
[    1.574259]  bus_probe_device+0x9c/0xa8
[    1.578425]  device_add+0x378/0x870
[    1.582243]  of_device_add+0x44/0x60
[    1.585716]  of_platform_device_create_pdata+0xc0/0x110
[    1.589538]  of_platform_bus_create+0x17c/0x388
[    1.594485]  of_platform_populate+0x50/0xf0
[    1.598998]  qcom_smd_rpm_probe+0xd4/0x128
[    1.603164]  rpmsg_dev_probe+0xbc/0x1a8
[    1.607330]  really_probe+0x140/0x2f8
[    1.611063]  __driver_probe_device+0x78/0xe0
[    1.614883]  driver_probe_device+0x80/0x110
[    1.619224]  __device_attach_driver+0x90/0xe0
[    1.623131]  bus_for_each_drv+0x78/0xc8
[    1.627643]  __device_attach+0xf0/0x150
[    1.631289]  device_initial_probe+0x14/0x20
[    1.635109]  bus_probe_device+0x9c/0xa8
[    1.639275]  device_add+0x378/0x870
[    1.643095]  device_register+0x20/0x30
[    1.646567]  rpmsg_register_device+0x54/0x90
[    1.650387]  qcom_channel_state_worker+0x168/0x288
[    1.654814]  process_one_work+0x1a0/0x328
[    1.659415]  worker_thread+0x4c/0x420
[    1.663494]  kthread+0x150/0x160
[    1.667138]  ret_from_fork+0x10/0x18
[    1.670442] Code: 97f56b92 b40034a0 aa0003f3 52819801 (f94002a0)
[    1.674004] ---[ end trace 412fa6f47384cdfe ]---

Fixes: a0384ecfe2 ("clk: qcom: smd-rpm: De-duplicate identical entries")
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20210727092613.23056-1-shawn.guo@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 11:14:19 -07:00
Chun-Jie Chen
441decf91e clk: mediatek: Add MT8192 vencsys clock support
Add MT8192 vencsys clock provider

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210726105719.15793-22-chun-jie.chen@mediatek.com
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 10:53:10 -07:00
Chun-Jie Chen
25f3d97e39 clk: mediatek: Add MT8192 vdecsys clock support
Add MT8192 vdecsys and vdecsys soc clock providers

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210726105719.15793-21-chun-jie.chen@mediatek.com
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 10:53:10 -07:00
Chun-Jie Chen
aff125adc0 clk: mediatek: Add MT8192 scp adsp clock support
Add MT8192 scp adsp clock provider

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210726105719.15793-20-chun-jie.chen@mediatek.com
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 10:53:10 -07:00
Chun-Jie Chen
a1a5b6b0a8 clk: mediatek: Add MT8192 msdc clock support
Add MT8192 msdc and msdc top clock providers

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210726105719.15793-19-chun-jie.chen@mediatek.com
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 10:53:09 -07:00
Chun-Jie Chen
9d44859bfe clk: mediatek: Add MT8192 mmsys clock support
Add MT8192 mmsys clock provider

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20210726105719.15793-18-chun-jie.chen@mediatek.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 10:53:09 -07:00
Chun-Jie Chen
34e1b85549 clk: mediatek: Add MT8192 mfgcfg clock support
Add MT8192 mfgcfg clock provider

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210726105719.15793-17-chun-jie.chen@mediatek.com
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 10:53:09 -07:00
Chun-Jie Chen
b565d41f8c clk: mediatek: Add MT8192 mdpsys clock support
Add MT8192 mdpsys clock provider

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210726105719.15793-16-chun-jie.chen@mediatek.com
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 10:53:09 -07:00
Chun-Jie Chen
7f621d25d9 clk: mediatek: Add MT8192 ipesys clock support
Add MT8192 ipesys clock provider

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210726105719.15793-15-chun-jie.chen@mediatek.com
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 10:53:08 -07:00
Chun-Jie Chen
71193c46bd clk: mediatek: Add MT8192 imp i2c wrapper clock support
Add MT8192 imp i2c wrapper clock provider

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210726105719.15793-14-chun-jie.chen@mediatek.com
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 10:53:08 -07:00
Chun-Jie Chen
014a4881a2 clk: mediatek: Add MT8192 imgsys clock support
Add MT8192 imgsys and imgsys2 clock providers

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210726105719.15793-13-chun-jie.chen@mediatek.com
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 10:53:08 -07:00
Chun-Jie Chen
cebef18833 clk: mediatek: Add MT8192 camsys clock support
Add MT8192 camsys and camsys raw clock providers

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210726105719.15793-12-chun-jie.chen@mediatek.com
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 10:53:07 -07:00
Chun-Jie Chen
f61e83488d clk: mediatek: Add MT8192 audio clock support
Add MT8192 audio clock provider

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210726105719.15793-11-chun-jie.chen@mediatek.com
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 10:53:07 -07:00
Chun-Jie Chen
710573dee3 clk: mediatek: Add MT8192 basic clocks support
Add MT8192 basic clock providers, include topckgen, apmixedsys,
infracfg and pericfg.

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210726105719.15793-10-chun-jie.chen@mediatek.com
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 10:53:07 -07:00
Chun-Jie Chen
c58cd0e40f clk: mediatek: Add mtk_clk_simple_probe() to simplify clock providers
Most of subsystem clock providers only need to register clock gates
in their probe() function.
To reduce the duplicated code by add a generic function.

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210726105719.15793-9-chun-jie.chen@mediatek.com
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 10:53:07 -07:00
Chun-Jie Chen
f384c44754 clk: mediatek: Add configurable enable control to mtk_pll_data
In all MediaTek PLL design, bit0 of CON0 register is always
the enable bit.
However, there's a special case of usbpll on MT8192.
The enable bit of usbpll is moved to bit2 of other register.
Add configurable en_reg and pll_en_bit for enable control or
default 0 where pll data are static variables.
Hence, CON0_BASE_EN could also be removed.
And there might have another special case on other chips,
the enable bit is still on CON0 register but not at bit0.

Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210726105719.15793-8-chun-jie.chen@mediatek.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 10:53:06 -07:00
Chun-Jie Chen
7cc4e1bbe3 clk: mediatek: Fix asymmetrical PLL enable and disable control
In fact, the en_mask is a combination of divider enable mask
and pll enable bit(bit0).
Before this patch, we enabled both divider mask and bit0 in prepare(),
but only cleared the bit0 in unprepare().
In the future, we hope en_mask will only be used as divider enable mask.
The enable register(CON0) will be set in 2 steps:
first is divider mask, and then bit0 during prepare(), and vice versa.
But considering backward compatibility, at this stage we allow en_mask
to be a combination or a pure divider enable mask.
And then we will make en_mask a pure divider enable mask in another
following patch series.

Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210726105719.15793-7-chun-jie.chen@mediatek.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 10:53:06 -07:00
Chun-Jie Chen
197ee5436b clk: mediatek: Get regmap without syscon compatible check
Not all clock providers need to be marked compatible with "syscon"
for system configuration usage, so use device_node_to_regmap() to
skip "syscon" check.

Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210726105719.15793-6-chun-jie.chen@mediatek.com
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-27 10:53:06 -07:00
Dinh Nguyen
d17929eb10 clk: socfpga: agilex: add the bypass register for s2f_usr0 clock
Add the bypass register for the s2f_user0_clk.

Fixes: 80c6b7a089 ("clk: socfpga: agilex: add clock driver for the Agilex platform")
Cc: stable@vger.kernel.org
Signed-off-by: Kris Chaplin <kris.chaplin@intel.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Link: https://lore.kernel.org/r/20210713144621.605140-3-dinguyen@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-26 17:56:21 -07:00
Dinh Nguyen
f817c132db clk: socfpga: agilex: fix up s2f_user0_clk representation
Correct the s2f_user0_mux clock representation.

Fixes: 80c6b7a089 ("clk: socfpga: agilex: add clock driver for the Agilex platform")
Cc: stable@vger.kernel.org
Signed-off-by: Kris Chaplin <kris.chaplin@intel.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Link: https://lore.kernel.org/r/20210713144621.605140-2-dinguyen@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-26 17:56:21 -07:00
Dinh Nguyen
9d563236cc clk: socfpga: agilex: fix the parents of the psi_ref_clk
The psi_ref_clk comes from the C2 node of the main_pll and periph_pll,
not the C3.

Fixes: 80c6b7a089 ("clk: socfpga: agilex: add clock driver for the Agilex platform")
Cc: stable@vger.kernel.org
Signed-off-by: Kris Chaplin <kris.chaplin@intel.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Link: https://lore.kernel.org/r/20210713144621.605140-1-dinguyen@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-26 17:56:21 -07:00
Randy Dunlap
953a92f0e5 clk: hisilicon: hi3559a: select RESET_HISI
The clk-hi3559a driver uses functions from reset.c so it should
select RESET_HISI to avoid build errors.

Fixes these build errors:
aarch64-linux-ld: drivers/clk/hisilicon/clk-hi3559a.o: in function `hi3559av100_crg_remove':
clk-hi3559a.c:(.text+0x158): undefined reference to `hisi_reset_exit'
aarch64-linux-ld: drivers/clk/hisilicon/clk-hi3559a.o: in function `hi3559av100_crg_probe':
clk-hi3559a.c:(.text+0x1f4): undefined reference to `hisi_reset_init'
aarch64-linux-ld: clk-hi3559a.c:(.text+0x238): undefined reference to `hisi_reset_exit'

Fixes: 6c81966107 ("clk: hisilicon: Add clock driver for hi3559A SoC")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Dongjiu Geng <gengdongjiu@huawei.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: stable@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Cc: Michael Turquette <mturquette@baylibre.com>
Link: https://lore.kernel.org/r/20210717043159.12566-1-rdunlap@infradead.org
Reviewed-by: Dongjiu Geng <gengdongjiu1@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-26 17:23:40 -07:00
Dario Binacchi
24b5b1978c clk: stm32f4: fix post divisor setup for I2S/SAI PLLs
Enabling the framebuffer leads to a system hang. Running, as a debug
hack, the store_pan() function in drivers/video/fbdev/core/fbsysfs.c
without taking the console_lock, allows to see the crash backtrace on
the serial line.

~ # echo 0 0 > /sys/class/graphics/fb0/pan

[    9.719414] Unhandled exception: IPSR = 00000005 LR = fffffff1
[    9.726937] CPU: 0 PID: 49 Comm: sh Not tainted 5.13.0-rc5 #9
[    9.733008] Hardware name: STM32 (Device Tree Support)
[    9.738296] PC is at clk_gate_is_enabled+0x0/0x28
[    9.743426] LR is at stm32f4_pll_div_set_rate+0xf/0x38
[    9.748857] pc : [<0011e4be>]    lr : [<0011f9e3>]    psr: 0100000b
[    9.755373] sp : 00bc7be0  ip : 00000000  fp : 001f3ac4
[    9.760812] r10: 002610d0  r9 : 01efe920  r8 : 00540560
[    9.766269] r7 : 02e7ddb0  r6 : 0173eed8  r5 : 00000000  r4 : 004027c0
[    9.773081] r3 : 0011e4bf  r2 : 02e7ddb0  r1 : 0173eed8  r0 : 1d3267b8
[    9.779911] xPSR: 0100000b
[    9.782719] CPU: 0 PID: 49 Comm: sh Not tainted 5.13.0-rc5 #9
[    9.788791] Hardware name: STM32 (Device Tree Support)
[    9.794120] [<0000afa1>] (unwind_backtrace) from [<0000a33f>] (show_stack+0xb/0xc)
[    9.802421] [<0000a33f>] (show_stack) from [<0000a8df>] (__invalid_entry+0x4b/0x4c)

The `pll_num' field in the post_div_data configuration contained a wrong
value which also referenced an uninitialized hardware clock when
clk_register_pll_div() was called.

Fixes: 517633ef63 ("clk: stm32f4: Add post divisor for I2S & SAI PLLs")
Signed-off-by: Dario Binacchi <dariobin@libero.it>
Reviewed-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Link: https://lore.kernel.org/r/20210725160725.10788-1-dariobin@libero.it
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-26 17:22:45 -07:00
Lad Prabhakar
d28b1e03dc clk: renesas: r9a07g044: Add entry for fixed clock P0_DIV2
Add entry for fixed core clock P0_DIV2 and assign LAST_DT_CORE_CLK
to R9A07G044_CLK_P0_DIV2.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20210719143811.2135-5-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-26 14:15:23 +02:00
Taniya Das
fae7617bb1 clk: qcom: Add video clock controller driver for SC7280
Add support for the video clock controller found on SC7280
based devices. This would allow video drivers to probe and
control their clocks.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1626189143-12957-8-git-send-email-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-20 13:46:32 -07:00
Taniya Das
3e0f01d6c7 clk: qcom: Add graphics clock controller driver for SC7280
Add support for the graphics clock controller found on SC7280
based devices. This would allow graphics drivers to probe and
control their clocks.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1626189143-12957-6-git-send-email-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-20 13:46:32 -07:00
Taniya Das
1a00c962f9 clk: qcom: Add display clock controller driver for SC7280
Add support for the display clock controller found on SC7280
based devices. This would allow display drivers to probe and
control their clocks.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1626189143-12957-4-git-send-email-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-20 13:46:32 -07:00
Lad Prabhakar
1b87d5bba3 clk: renesas: r9a07g044: Add clock and reset entries for ADC
Add clock and reset entries for ADC block in CPG driver.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20210719085840.21842-4-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-19 11:22:23 +02:00
Lad Prabhakar
3b5c734592 clk: renesas: r9a07g044: Add clock and reset entries for CANFD
Add clock and reset entries for CANFD in CPG driver.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20210715182123.23372-6-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-19 11:22:21 +02:00
Geert Uytterhoeven
0aae437ac5 clk: renesas: Rename renesas-rzg2l-cpg.[ch] to rzg2l-cpg.[ch]
Rename renesas-rzg2l-cpg.c and renesas-rzg2l-cpg.h to rzg2l-cpg.c resp.
rzg2l-cpg.h, for consistency with other (sub)drivers.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Acked-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/edc442daaedffcf10e835ff479d906fcae0e59db.1626268821.git.geert+renesas@glider.be
2021-07-19 11:22:20 +02:00
Lad Prabhakar
d85b82f09a clk: renesas: r9a07g044: Add GPIO clock and reset entries
Add GPIO clock and reset entries in CPG driver.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20210712194422.12405-4-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-19 11:22:10 +02:00
Biju Das
d520af3451 clk: renesas: r9a07g044: Add SSIF-2 clock and reset entries
Add SSIF-2 clock and reset entries in CPG driver.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210702135010.5937-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-19 10:53:53 +02:00
Biju Das
03fa6e4b26 clk: renesas: r9a07g044: Add USB clocks/resets
Add clock/reset entries for USB PHY control, USB2.0 host and device.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20210630073013.22415-5-biju.das.jz@bp.renesas.com
[geert: s/usb0_device/usb0_func]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-19 10:53:53 +02:00
Biju Das
eb829e549b clk: renesas: r9a07g044: Add DMAC clocks/resets
Add DMAC clock and reset entries in CPG driver.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210626081344.5783-10-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-19 10:53:53 +02:00
Biju Das
1962dd36db clk: renesas: r9a07g044: Add I2C clocks/resets
Add I2C{0,1,2,3} clock and reset entries.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210626081344.5783-9-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-19 10:53:53 +02:00
Kieran Bingham
c346ff5ccc clk: renesas: r8a779a0: Add the DSI clocks
The DSI clock is incorrectly defined as a fixed clock. This
demonstrates itself as the dsi-encoders failing to correctly enable and
start their PPI and HS clocks internally, and causes failures.

Move the DSI parent clock to match the updates in the BSP, which
resolves the initialisation procedures.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Fixes: 17bcc8035d ("clk: renesas: cpg-mssr: Add support for R-Car V3U")
Link: https://lore.kernel.org/r/20210622232711.3219697-3-kieran.bingham@ideasonboard.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-19 10:53:52 +02:00
Kieran Bingham
417ed58dfc clk: renesas: r8a779a0: Add the DU clock
The DU clock is added to the S3D1 clock parent. The Renesas BSP lists
S2D1 as the clock parent, however there is no S2 clock on this platform.

S3D1 is chosen as a best effort guess and demonstrates functionality but
is not guaranteed to be correct.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Link: https://lore.kernel.org/r/20210622232711.3219697-2-kieran.bingham@ideasonboard.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-19 10:53:52 +02:00
Geert Uytterhoeven
d23fcff145 clk: renesas: rzg2: Rename i2c-dvfs to iic-pmic
As RZ/G2 SoCs do not support DVFS, the "iic-dvfs" module was renamed to
"iic-pmic" in the RZ/G Series, 2nd Generation User’s Manual: Hardware
Rev. 1.00.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/3e549b41989ff2797b998a1c749c9f607845f44a.1624016693.git.geert+renesas@glider.be
2021-07-19 10:53:52 +02:00
Lad Prabhakar
1606e81543 clk: renesas: rzg2l: Fix off-by-one check in rzg2l_cpg_clk_src_twocell_get()
Fix clock index out of range check for module clocks in
rzg2l_cpg_clk_src_twocell_get().

Fixes: ef3c613ccd ("clk: renesas: Add CPG core wrapper for RZ/G2L SoC")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210617155432.18827-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-19 10:53:52 +02:00
Dan Carpenter
e37868f144 clk: renesas: rzg2l: Avoid mixing error pointers and NULL
These functions accidentally return both error pointers and NULL when
there is an error.  It doesn't cause a problem but it is confusing and
seems unintentional.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/YMtY7nOtqEvTokh7@mwanda
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-19 10:53:52 +02:00
Dan Carpenter
36aaa3a0d9 clk: renesas: rzg2l: Fix a double free on error
The "pll_clk" and "clock" pointers are allocated with devm_kzalloc() so
freeing them with kfree() will lead to a double free.  This would only
happen if probe failed, and the system is not bootable.

Fixes: ef3c613ccd ("clk: renesas: Add CPG core wrapper for RZ/G2L SoC")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/YMtYs7LVveYH4eRe@mwanda
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-19 10:53:52 +02:00
Yang Li
97c2975559 clk: renesas: rzg2l: Fix return value and unused assignment
Currently the function returns NULL on error, so exact error code is
lost.  This patch changes return convention of the function to use
ERR_PTR() on error instead.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/1623896524-102058-1-git-send-email-yang.lee@linux.alibaba.com
[geert: Drop curly braces]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-19 10:53:52 +02:00
Yang Li
d42d57fe86 clk: renesas: rzg2l: Remove unneeded semicolon
Eliminate the following coccicheck warning:
./drivers/clk/renesas/renesas-rzg2l-cpg.c:299:2-3: Unneeded semicolon

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/1623749970-38020-1-git-send-email-yang.lee@linux.alibaba.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-19 10:53:52 +02:00
Jon Lin
d61eb8a1f5 clk: rockchip: Add support for hclk_sfc on rk3036
Add support for the bus clock for the serial flash controller on the
rk3036. Taken from the Rockchip BSP kernel but not tested on real
hardware (as I lack a 3036 based SoC to test).

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20210713094718.1709-2-jon.lin@rock-chips.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-07-16 00:33:42 +02:00
Jon Lin
0be3df186f clk: rockchip: rk3036: fix up the sclk_sfc parent error
Choose the correct pll

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20210713094456.23288-5-jon.lin@rock-chips.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-07-16 00:33:41 +02:00
Biju Das
c3e67ad6f5 dt-bindings: clock: r9a07g044-cpg: Update clock/reset definitions
Update clock and reset definitions as per RZ/G2L_clock_list_r02_02.xlsx
and RZ/G2L HW(Rev.0.50) manual.

Update {GIC,IA55,SCIF} clock and reset entries in the CPG driver, and
separate reset from module clocks in order to handle them efficiently.

Update the SCIF0 clock and reset index in the SoC DTSI.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210626081344.5783-6-biju.das.jz@bp.renesas.com
Link: https://lore.kernel.org/r/20210626081344.5783-7-biju.das.jz@bp.renesas.com
Link: https://lore.kernel.org/r/20210626081344.5783-8-biju.das.jz@bp.renesas.com
[geert: Squashed 3 commits]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-12 10:52:03 +02:00
Biju Das
668756f729 clk: renesas: r9a07g044: Add P2 Clock support
Add support for P2 clock which is sourced from pll3_div2_4_2.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210626081344.5783-5-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-12 10:52:03 +02:00
Biju Das
fd8c3f6c36 clk: renesas: r9a07g044: Fix P1 Clock
As per RZ/G2L HW Manual(Rev.0.50) P1 is sourced from pll3_div2_4.
So fix the clock definitions for P1.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210626081344.5783-4-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-12 10:52:03 +02:00
Biju Das
e93c137361 clk: renesas: r9a07g044: Rename divider table
As per RZ/G2L HW Manual (Rev.0.50), CPG_PL3A_DDIV,CPG_PL3B_DDIV
and CPG_PL2_DDIV(for P0) shares same divider table entries. Rename
clk_div_table dtable_3b to clk_div_table dtable_1_32 so that it
can be reused.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210626081344.5783-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-12 10:52:03 +02:00
Biju Das
2fa9fd69b3 clk: renesas: rzg2l: Add multi clock PM support
Add multi clock PM support for cpg driver.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210626081344.5783-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-12 10:52:03 +02:00
Linus Torvalds
b0dfd9af28 The second batch of clk driver code for -rc1
- A handful of fixes for lmk04832 driver
  - Migrate the basic clk divider to use determine rate ops
  - Fix modpost build for hisilicon hi3559a driver
  - Actually set the parent in k210_clk_set_parent()
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull more clk updates from Stephen Boyd:

 - A handful of fixes for lmk04832 driver

 - Migrate the basic clk divider to use determine rate ops

 - Fix modpost build for hisilicon hi3559a driver

 - Actually set the parent in k210_clk_set_parent()

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  Revert "clk: divider: Switch from .round_rate to .determine_rate by default"
  clk: hisilicon: hi3559a: Drop __init markings everywhere
  clk: meson: regmap: switch to determine_rate for the dividers
  clk: divider: Switch from .round_rate to .determine_rate by default
  clk: divider: Add re-usable determine_rate implementations
  clk: k210: Fix k210_clk_set_parent()
  clk: lmk04832: Fix spelling mistakes in dev_err messages and comments
  clk: lmk04832: fix return value check in lmk04832_probe()
  clk: stm32mp1: fix missing spin_lock_init()
2021-07-08 12:12:22 -07:00
Linus Torvalds
71bd934101 Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
 "190 patches.

  Subsystems affected by this patch series: mm (hugetlb, userfaultfd,
  vmscan, kconfig, proc, z3fold, zbud, ras, mempolicy, memblock,
  migration, thp, nommu, kconfig, madvise, memory-hotplug, zswap,
  zsmalloc, zram, cleanups, kfence, and hmm), procfs, sysctl, misc,
  core-kernel, lib, lz4, checkpatch, init, kprobes, nilfs2, hfs,
  signals, exec, kcov, selftests, compress/decompress, and ipc"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (190 commits)
  ipc/util.c: use binary search for max_idx
  ipc/sem.c: use READ_ONCE()/WRITE_ONCE() for use_global_lock
  ipc: use kmalloc for msg_queue and shmid_kernel
  ipc sem: use kvmalloc for sem_undo allocation
  lib/decompressors: remove set but not used variabled 'level'
  selftests/vm/pkeys: exercise x86 XSAVE init state
  selftests/vm/pkeys: refill shadow register after implicit kernel write
  selftests/vm/pkeys: handle negative sys_pkey_alloc() return code
  selftests/vm/pkeys: fix alloc_random_pkey() to make it really, really random
  kcov: add __no_sanitize_coverage to fix noinstr for all architectures
  exec: remove checks in __register_bimfmt()
  x86: signal: don't do sas_ss_reset() until we are certain that sigframe won't be abandoned
  hfsplus: report create_date to kstat.btime
  hfsplus: remove unnecessary oom message
  nilfs2: remove redundant continue statement in a while-loop
  kprobes: remove duplicated strong free_insn_page in x86 and s390
  init: print out unknown kernel parameters
  checkpatch: do not complain about positive return values starting with EPOLL
  checkpatch: improve the indented label test
  checkpatch: scripts/spdxcheck.py now requires python3
  ...
2021-07-02 12:08:10 -07:00
Stephen Boyd
783d08bd02 Revert "clk: divider: Switch from .round_rate to .determine_rate by default"
This reverts commit db400ac144. We have
drivers that are still using the .round_rate ops from here. We could
implement both determine_rate and round_rate for these divider ops, but
for now let's just kick out the commit that tried to change it and
convert various drivers properly.

Reported-by: Guenter Roeck <linux@roeck-us.net>
Fixes: db400ac144 ("clk: divider: Switch from .round_rate to .determine_rate by default")
Cc: Jerome Brunet <jbrunet@baylibre.com>
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20210702011058.77284-1-sboyd@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-07-01 18:12:59 -07:00
Linus Torvalds
514798d365 This round has a diffstat dominated by Qualcomm clk drivers. Honestly though
that's just a bunch of data so the diffstat reflects that. Looking beyond that
 there's just a bunch of updates all around in various clk drivers. Renesas and
 NXP (for i.MX) are two SoC vendors that have a lot of patches in here. Overall
 the driver changes look to be mostly enabling more clks and non-critical fixes
 that we could hold until the next merge window.
 
 I'm especially excited about the series from Arnd that graduates clkdev to be
 the only implementation of clk_get() and clk_put(). That's a good step in the
 right direction to migreate eveerything over to the common clk framework. Now
 we don't have to worry about clkdev specific details, they're just part of the
 clk API now.
 
 Core:
  - clkdev is now the only option, i.e. clk_get()/clk_put() is implemented in
    only one place in the kernel instead of in drivers/clk/clkdev.c and in
    architectures that want their own implementation
 
 New Drivers:
  - Texas Instruments' LMK04832 Ultra Low-Noise JESD204B Compliant Clock
    Jitter Cleaner With Dual Loop PLLs
  - Qualcomm MDM9607 GCC
  - Qualcomm SC8180X display clks
  - Qualcomm SM6125 GCC
  - Qualcomm SM8250 CAMCC (camera)
  - Renesas RZ/G2L SoC
  - Hisilicon hi3559A SoC
 
 Updates:
  - Stop using clock-output-names in ST clk drivers (yay!)
  - Support secure mode of STM32MP1 SoCs
  - Improve clock support for Actions S500 SoC
  - duty cycle setting support on qcom clks
  - Add TI am33xx spread spectrum clock support
  - Use determine_rate() for the Amlogic pll ops instead of round_rate()
  - Restrict Amlogic gp0/1 and audio plls range on g12a/sm1
  - Improve Amlogic axg-audio controller error on deferral
  - Add NNA clocks on Amlogic g12a
  - Reduce memory footprint of Rockchip PLL rate tables
  - A fix for the newly added Rockchip rk3568 clk driver
  - Exported clock for the newly added Rockchip video decoder
  - Remove audio ipg clock from i.MX8MP
  - Remove deprecated legacy clock binding for i.MX SCU clock driver
  - Use common clk-imx8qxp for both i.MX8QXP and i.MX8QM
  - Add multiple clocks to clk-imx8qxp driver (enet, hdmi, lcdif, audio,
    parallel interface)
  - Add dedicated clock ops for i.MX paralel interface
  - Different fixes for clocks controlled by ATF on i.MX SoCs
  - Add A53/A72 frequency scaling support i.MX clk-scu driver
  - Add special case for DCSS clock on suspend for i.MX clk-scu driver
  - Add parent save/restore on suspend/resume to i.MX clk-scu driver
  - Skip runtime PM enablement for CPU clocks in i.MX clk-scu driver
  - Remove the sys1_pll/sys2_pll clock gates for i.MX8MQ and their
    bindings
  - Tegra clk driver no longer deasserts resets on clk_enable as it
    gets in the way of certain power-up sequences
  - Fix compile testing for Tegra clk driver
  - One patch to fix a divider on the Allwinner v3s Audio PLL
  - Add support for CPU core clock boost modes on Renesas R-Car Gen3
  - Add ISPCS (Image Signal Processor) clocks on Renesas R-Car V3U
  - Switch SH/R-Mobile and R-Car "DIV6" clocks to .determine_rate()
    and improve support for multiple parents
  - Switch Renesas RZ/N1 divider clocks to .determine_rate()
  - Add ZA2 (Audio Clock Generator) clock on Renesas R-Car D3
  - Convert ar7 to common clk framework
  - Convert ralink to common clk framework
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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:
 "This round has a diffstat dominated by Qualcomm clk drivers. Honestly
  though that's just a bunch of data so the diffstat reflects that.
  Looking beyond that there's just a bunch of updates all around in
  various clk drivers. Renesas and NXP (for i.MX) are two SoC vendors
  that have a lot of patches in here.

  Overall the driver changes look to be mostly enabling more clks and
  non-critical fixes that we could hold until the next merge window.

  I'm especially excited about the series from Arnd that graduates
  clkdev to be the only implementation of clk_get() and clk_put().
  That's a good step in the right direction to migreate eveerything over
  to the common clk framework. Now we don't have to worry about clkdev
  specific details, they're just part of the clk API now.

  Core:
   - clkdev is now the only option, i.e. clk_get()/clk_put() is
     implemented in only one place in the kernel instead of in
     drivers/clk/clkdev.c and in architectures that want their own
     implementation

  New Drivers:
   - Texas Instruments' LMK04832 Ultra Low-Noise JESD204B Compliant
     Clock Jitter Cleaner With Dual Loop PLLs
   - Qualcomm MDM9607 GCC
   - Qualcomm SC8180X display clks
   - Qualcomm SM6125 GCC
   - Qualcomm SM8250 CAMCC (camera)
   - Renesas RZ/G2L SoC
   - Hisilicon hi3559A SoC

  Updates:
   - Stop using clock-output-names in ST clk drivers (yay!)
   - Support secure mode of STM32MP1 SoCs
   - Improve clock support for Actions S500 SoC
   - duty cycle setting support on qcom clks
   - Add TI am33xx spread spectrum clock support
   - Use determine_rate() for the Amlogic pll ops instead of
     round_rate()
   - Restrict Amlogic gp0/1 and audio plls range on g12a/sm1
   - Improve Amlogic axg-audio controller error on deferral
   - Add NNA clocks on Amlogic g12a
   - Reduce memory footprint of Rockchip PLL rate tables
   - A fix for the newly added Rockchip rk3568 clk driver
   - Exported clock for the newly added Rockchip video decoder
   - Remove audio ipg clock from i.MX8MP
   - Remove deprecated legacy clock binding for i.MX SCU clock driver
   - Use common clk-imx8qxp for both i.MX8QXP and i.MX8QM
   - Add multiple clocks to clk-imx8qxp driver (enet, hdmi, lcdif,
     audio, parallel interface)
   - Add dedicated clock ops for i.MX paralel interface
   - Different fixes for clocks controlled by ATF on i.MX SoCs
   - Add A53/A72 frequency scaling support i.MX clk-scu driver
   - Add special case for DCSS clock on suspend for i.MX clk-scu driver
   - Add parent save/restore on suspend/resume to i.MX clk-scu driver
   - Skip runtime PM enablement for CPU clocks in i.MX clk-scu driver
   - Remove the sys1_pll/sys2_pll clock gates for i.MX8MQ and their
     bindings
   - Tegra clk driver no longer deasserts resets on clk_enable as it
     gets in the way of certain power-up sequences
   - Fix compile testing for Tegra clk driver
   - One patch to fix a divider on the Allwinner v3s Audio PLL
   - Add support for CPU core clock boost modes on Renesas R-Car Gen3
   - Add ISPCS (Image Signal Processor) clocks on Renesas R-Car V3U
   - Switch SH/R-Mobile and R-Car "DIV6" clocks to .determine_rate() and
     improve support for multiple parents
   - Switch Renesas RZ/N1 divider clocks to .determine_rate()
   - Add ZA2 (Audio Clock Generator) clock on Renesas R-Car D3
   - Convert ar7 to common clk framework
   - Convert ralink to common clk framework"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (161 commits)
  clk: zynqmp: Handle divider specific read only flag
  clk: zynqmp: Use firmware specific mux clock flags
  clk: zynqmp: Use firmware specific divider clock flags
  clk: zynqmp: Use firmware specific common clock flags
  clk: lmk04832: Use of match table
  clk: lmk04832: Depend on SPI
  clk: stm32mp1: new compatible for secure RCC support
  dt-bindings: clock: stm32mp1 new compatible for secure rcc
  dt-bindings: reset: add MCU HOLD BOOT ID for SCMI reset domains on stm32mp15
  dt-bindings: reset: add IDs for SCMI reset domains on stm32mp15
  dt-bindings: clock: add IDs for SCMI clocks on stm32mp15
  reset: stm32mp1: remove stm32mp1 reset
  clk: hisilicon: Add clock driver for hi3559A SoC
  dt-bindings: Document the hi3559a clock bindings
  clk: si5341: Add sysfs properties to allow checking/resetting device faults
  clk: si5341: Add silabs,iovdd-33 property
  clk: si5341: Add silabs,xaxb-ext-clk property
  clk: si5341: Allow different output VDD_SEL values
  clk: si5341: Update initialization magic
  clk: si5341: Check for input clock presence and PLL lock on startup
  ...
2021-07-01 13:26:16 -07:00
Andy Shevchenko
f39650de68 kernel.h: split out panic and oops helpers
kernel.h is being used as a dump for all kinds of stuff for a long time.
Here is the attempt to start cleaning it up by splitting out panic and
oops helpers.

There are several purposes of doing this:
- dropping dependency in bug.h
- dropping a loop by moving out panic_notifier.h
- unload kernel.h from something which has its own domain

At the same time convert users tree-wide to use new headers, although for
the time being include new header back to kernel.h to avoid twisted
indirected includes for existing users.

[akpm@linux-foundation.org: thread_info.h needs limits.h]
[andriy.shevchenko@linux.intel.com: ia64 fix]
  Link: https://lkml.kernel.org/r/20210520130557.55277-1-andriy.shevchenko@linux.intel.com

Link: https://lkml.kernel.org/r/20210511074137.33666-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Co-developed-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Corey Minyard <cminyard@mvista.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Wei Liu <wei.liu@kernel.org>
Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Sebastian Reichel <sre@kernel.org>
Acked-by: Luis Chamberlain <mcgrof@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Acked-by: Helge Deller <deller@gmx.de> # parisc
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-01 11:06:04 -07:00
Stephen Boyd
498cc50b3f clk: hisilicon: hi3559a: Drop __init markings everywhere
This driver is a platform driver. The probe function can be called after
kernel init, and try to reference kernel memory that has been freed.
Drop the __init markings everywhere here to avoid referencing initdata
from non-init code. Fixes modpost warnings.

Reported-by: kernel test robot <lkp@intel.com>
Cc: Dongjiu Geng <gengdongjiu@huawei.com>
Fixes: 6c81966107 ("clk: hisilicon: Add clock driver for hi3559A SoC")
Link: https://lore.kernel.org/r/20210630185839.3680834-1-sboyd@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-06-30 11:59:45 -07:00
Martin Blumenstingl
e4c5ef6b95 clk: meson: regmap: switch to determine_rate for the dividers
This increases the maxmium supported frequency on 32-bit systems from
2^31 (signed long as used by clk_ops.round_rate, maximum value:
approx. 2.14GHz) to 2^32 (unsigned long as used by
clk_ops.determine_rate, maximum value: approx. 4.29GHz).
On Meson8/8b/8m2 the HDMI PLL and it's OD (post-dividers) are
capable of running at up to 2.97GHz. So switch the divider
implementation in clk-regmap to clk_ops.determine_rate to support these
higher frequencies on 32-bit systems.

Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20210627223959.188139-4-martin.blumenstingl@googlemail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-06-30 11:37:02 -07:00
Martin Blumenstingl
db400ac144 clk: divider: Switch from .round_rate to .determine_rate by default
.determine_rate is meant to replace .round_rate. The former comes with a
benefit which is especially relevant on 32-bit systems: since
.determine_rate uses an "unsigned long" (compared to a "signed long"
which is used by .round_rate) the maximum value on 32-bit systems
increases from 2^31 (or approx. 2.14GHz) to 2^32 (or approx. 4.29GHz).
Switch to a .determine_rate implementation by default so 32-bit systems
can benefit from the increased maximum value as well as so we have one
fewer user of .round_rate.

Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20210627223959.188139-3-martin.blumenstingl@googlemail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-06-30 11:37:02 -07:00
Martin Blumenstingl
bbd7a6cc38 clk: divider: Add re-usable determine_rate implementations
These are useful when running on 32-bit systems to increase the upper
supported frequency limit. clk_ops.round_rate returns a signed long
which limits the maximum rate on 32-bit systems to 2^31 (or approx.
2.14GHz). clk_ops.determine_rate internally uses an unsigned long so
the maximum rate on 32-bit systems is 2^32 or approx. 4.29GHz.

To avoid code-duplication switch over divider_{ro_,}round_rate_parent
to use the new divider_{ro_,}determine_rate functions.

Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20210627223959.188139-2-martin.blumenstingl@googlemail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-06-30 11:37:02 -07:00
Damien Le Moal
faa0e30794 clk: k210: Fix k210_clk_set_parent()
In k210_clk_set_parent(), add missing writel() call to update the mux
register of a clock to change its parent. This also fixes a compilation
warning with clang when compiling with W=1.

Fixes: c6ca7616f7 ("clk: Add RISC-V Canaan Kendryte K210 clock driver")
Cc: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Link: https://lore.kernel.org/r/20210622064502.14841-1-damien.lemoal@wdc.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-06-30 11:34:36 -07:00
Colin Ian King
2cdee50eda clk: lmk04832: Fix spelling mistakes in dev_err messages and comments
There are handful of spelling mistakes in two dev_err error messages
and comments. Fix them.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20210629102956.17901-1-colin.king@canonical.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-06-30 11:19:15 -07:00
Wang Hai
b424f73b6c clk: lmk04832: fix return value check in lmk04832_probe()
In case of error, the function devm_kzalloc() and devm_kcalloc() return
NULL pointer not ERR_PTR(). The IS_ERR() test in the return value check
should be replaced with NULL test.

Fixes: 3bc61cfd6f ("clk: add support for the lmk04832")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Link: https://lore.kernel.org/r/20210630020322.2555946-1-wanghai38@huawei.com
Reviewed-by: Liam Beguin <lvb@xiphos.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-06-30 11:18:25 -07:00
Wang Hai
b1f247714a clk: stm32mp1: fix missing spin_lock_init()
The driver allocates the spinlock but not initialize it.
Use spin_lock_init() on it to initialize it correctly.

Fixes: c392df194a ("clk: stm32mp1: move RCC reset controller into RCC clock driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Link: https://lore.kernel.org/r/20210630015824.2555840-1-wanghai38@huawei.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-06-30 11:17:20 -07:00
Stephen Boyd
d2b21013bf Merge branches 'clk-st', 'clk-si' and 'clk-hisilicon' into clk-next
- Stop using clock-output-names in ST clk drivers

* clk-st:
  dt-bindings: clock: st: clkgen-fsyn: add new introduced compatible
  clk: st: clkgen-fsyn: embed soc clock outputs within compatible data
  dt-bindings: clock: st: clkgen-pll: add new introduced compatible
  clk: st: clkgen-pll: embed soc clock outputs within compatible data
  dt-bindings: clock: st: flexgen: add new introduced compatible
  clk: st: flexgen: embed soc clock outputs within compatible data
  clk: st: clkgen-pll: remove unused variable of struct clkgen_pll

* clk-si:
  clk: si5341: Add sysfs properties to allow checking/resetting device faults
  clk: si5341: Add silabs,iovdd-33 property
  clk: si5341: Add silabs,xaxb-ext-clk property
  clk: si5341: Allow different output VDD_SEL values
  clk: si5341: Update initialization magic
  clk: si5341: Check for input clock presence and PLL lock on startup
  clk: si5341: Avoid divide errors due to bogus register contents
  clk: si5341: Wait for DEVICE_READY on startup
  dt-bindings: clock: clk-si5341: Add new attributes

* clk-hisilicon:
  clk: hisilicon: Add clock driver for hi3559A SoC
  dt-bindings: Document the hi3559a clock bindings
2021-06-29 13:33:42 -07:00
Stephen Boyd
4f47c91fc6 Merge branches 'clk-lmk04832', 'clk-stm', 'clk-rohm', 'clk-actions' and 'clk-ingenic' into clk-next
- Texas Instruments' LMK04832 Ultra Low-Noise JESD204B Compliant Clock
   Jitter Cleaner With Dual Loop PLLs
 - Support secure mode of STM32MP1 SoCs
 - Improve clock support for Actions S500 SoC

* clk-lmk04832:
  clk: lmk04832: Use of match table
  clk: lmk04832: Depend on SPI
  clk: lmk04832: add support for digital delay
  clk: add support for the lmk04832
  dt-bindings: clock: add ti,lmk04832 bindings

* clk-stm:
  clk: stm32mp1: new compatible for secure RCC support
  dt-bindings: clock: stm32mp1 new compatible for secure rcc
  dt-bindings: reset: add MCU HOLD BOOT ID for SCMI reset domains on stm32mp15
  dt-bindings: reset: add IDs for SCMI reset domains on stm32mp15
  dt-bindings: clock: add IDs for SCMI clocks on stm32mp15
  reset: stm32mp1: remove stm32mp1 reset
  clk: stm32mp1: move RCC reset controller into RCC clock driver
  clk: stm32mp1: convert to module driver
  clk: stm32mp1: remove intermediate pll clocks
  clk: stm32mp1: merge 'ck_hse_rtc' and 'ck_rtc' into one clock
  clk: stm32mp1: merge 'clk-hsi-div' and 'ck_hsi' into one clock

* clk-rohm:
  clk: bd718xx: Drop BD70528 support

* clk-actions:
  clk: actions: Add NIC and ETHERNET clock support for Actions S500 SoC
  dt-bindings: clock: Add NIC and ETHERNET bindings for Actions S500 SoC
  clk: actions: Fix AHPPREDIV-H-AHB clock chain on Owl S500 SoC
  clk: actions: Fix bisp_factor_table based clocks on Owl S500 SoC
  clk: actions: Fix SD clocks factor table on Owl S500 SoC
  clk: actions: Fix UART clock dividers on Owl S500 SoC

* clk-ingenic:
  clk: ingenic: Add support for the JZ4760
  clk: ingenic: Support overriding PLLs M/N/OD calc algorithm
  clk: ingenic: Remove pll_info.no_bypass_bit
  clk: ingenic: Read bypass register only when there is one
  clk: Support bypassing dividers
  dt-bindings: clock: ingenic: Add ingenic,jz4760{,b}-cgu compatibles
2021-06-29 13:33:22 -07:00
Stephen Boyd
e51fbc55d3 Merge branches 'clk-rockchip', 'clk-amlogic', 'clk-yaml', 'clk-zynq' and 'clk-socfpga' into clk-next
* clk-rockchip:
  clk: rockchip: export ACLK_VCODEC for RK3036
  clk: rockchip: fix rk3568 cpll clk gate bits
  clk: rockchip: Optimize PLL table memory usage

* clk-amlogic:
  clk: meson: g12a: Add missing NNA source clocks for g12b
  clk: meson: axg-audio: improve deferral handling
  clk: meson: g12a: fix gp0 and hifi ranges
  clk: meson: pll: switch to determine_rate for the PLL ops

* clk-yaml:
  dt-bindings: clock: gpio-mux-clock: Convert to json-schema

* clk-zynq:
  clk: zynqmp: Handle divider specific read only flag
  clk: zynqmp: Use firmware specific mux clock flags
  clk: zynqmp: Use firmware specific divider clock flags
  clk: zynqmp: Use firmware specific common clock flags
  clk: zynqmp: pll: Remove some dead code
  clk: zynqmp: fix compile testing without ZYNQMP_FIRMWARE

* clk-socfpga:
  clk: socfpga: clk-pll: Remove unused variable 'rc'
  clk: agilex/stratix10/n5x: fix how the bypass_reg is handled
  clk: agilex/stratix10: add support for the 2nd bypass
  clk: agilex/stratix10: fix bypass representation
  clk: agilex/stratix10: remove noc_clk
2021-06-29 13:33:16 -07:00
Stephen Boyd
029eae234b Merge branches 'clk-legacy', 'clk-vc5', 'clk-allwinner', 'clk-nvidia' and 'clk-imx' into clk-next
* clk-legacy:
  clkdev: remove unused clkdev_alloc() interfaces
  clkdev: remove CONFIG_CLKDEV_LOOKUP
  m68k: coldfire: remove private clk_get/clk_put
  m68k: coldfire: use clkdev_lookup on most coldfire
  mips: ralink: convert to CONFIG_COMMON_CLK
  mips: ar7: convert to CONFIG_COMMON_CLK
  mips: ar7: convert to clkdev_lookup

* clk-vc5:
  clk: vc5: fix output disabling when enabling a FOD

* clk-allwinner:
  clk: sunxi-ng: v3s: fix incorrect postdivider on pll-audio

* clk-nvidia:
  clk: tegra: clk-tegra124-dfll-fcpu: don't use devm functions for regulator
  clk: tegra: tegra124-emc: Fix clock imbalance in emc_set_timing()
  clk: tegra: Add stubs needed for compile-testing
  clk: tegra: Don't deassert reset on enabling clocks
  clk: tegra: Mark external clocks as not having reset control
  clk: tegra: cclk: Handle thermal DIV2 CPU frequency throttling
  clk: tegra: Don't allow zero clock rate for PLLs
  clk: tegra: Halve SCLK rate on Tegra20
  clk: tegra: Ensure that PLLU configuration is applied properly
  clk: tegra: Fix refcounting of gate clocks
  clk: tegra30: Use 300MHz for video decoder by default

* clk-imx:
  clk: imx8mq: remove SYS PLL 1/2 clock gates
  clk: imx: scu: Do not enable runtime PM for CPU clks
  clk: imx: scu: add parent save and restore
  clk: imx: scu: Only save DC SS clock using non-cached clock rate
  clk: imx: scu: Add A72 frequency scaling support
  clk: imx: scu: Add A53 frequency scaling support
  clk: imx: scu: bypass pi_pll enable status restore
  clk: imx: scu: detach pd if can't power up
  clk: imx: scu: bypass cpu clock save and restore
  clk: imx: scu: add parallel port clock ops
  clk: imx: scu: add more scu clocks
  clk: imx: scu: add enet rgmii gpr clocks
  clk: imx8qm: add clock valid resource checking
  clk: imx8qxp: add clock valid checking mechnism
  clk: imx: scu: add gpr clocks support
  clk: imx: scu: remove legacy scu clock binding support
  dt-bindings: arm: imx: scu: drop deprecated legacy clock binding
  dt-bindings: arm: imx: scu: fix naming typo of clk compatible string
  clk: imx: Remove the audio ipg clock from imx8mp
2021-06-29 13:33:10 -07:00
Stephen Boyd
d915611eda Merge branches 'clk-qcom', 'clk-versatile', 'clk-renesas', 'clk-sifive' and 'clk-ti' into clk-next
- duty cycle setting support on qcom clks
 - qcom MDM9607 GCC
 - qcom sc8180x display clks
 - qcom SM6125 GCC
 - Add TI am33xx spread spectrum clock support

* clk-qcom: (22 commits)
  clk: qcom: clk-alpha-pll: fix CAL_L write in alpha_pll_fabia_prepare
  clk: qcom: Add camera clock controller driver for SM8250
  dt-bindings: clock: add QCOM SM8250 camera clock bindings
  clk: qcom: clk-alpha-pll: add support for zonda pll
  clk/qcom: Remove unused variables
  clk: qcom: smd-rpmcc: Add support for MSM8226 rpm clocks
  clk: qcom: gcc: Add support for Global Clock controller found on MSM8226
  dt-bindings: clock: qcom: Add MSM8226 GCC clock bindings
  clk: qcom: Add SM6125 (TRINKET) GCC driver
  dt-bindings: clk: qcom: gcc-sm6125: Document SM6125 GCC driver
  clk: qcom: gcc: Add support for a new frequency for SC7280
  clk: qcom: smd-rpm: Fix wrongly assigned RPM_SMD_PNOC_CLK
  dt-bindings: clock: qcom: rpmcc: Document MSM8226 compatible
  clk: qcom: dispcc-sm8250: Add EDP clocks
  clk: qcom: dispcc-sm8250: Add sc8180x support
  clk: qcom: smd-rpm: De-duplicate identical entries
  clk: qcom: smd-rpm: Switch to parent_data
  clk: qcom: Add MDM9607 GCC driver
  dt-bindings: clock: Add MDM9607 GCC clock bindings
  clk: qcom: cleanup some dev_err_probe() calls
  ...

* clk-versatile:
  clk: versatile: Depend on HAS_IOMEM
  clk: versatile: remove dependency on ARCH_*

* clk-renesas: (22 commits)
  clk: renesas: Add support for R9A07G044 SoC
  clk: renesas: Add CPG core wrapper for RZ/G2L SoC
  dt-bindings: clock: renesas: Document RZ/G2L SoC CPG driver
  dt-bindings: clock: Add r9a07g044 CPG Clock Definitions
  clk: renesas: r8a77995: Add ZA2 clock
  clk: renesas: cpg-mssr: Make srstclr[] comment block consistent
  clk: renesas: cpg-mssr: Remove unused [RM]MSTPCR() definitions
  clk: renesas: r9a06g032: Switch to .determine_rate()
  clk: renesas: div6: Implement range checking
  clk: renesas: div6: Consider all parents for requested rate
  clk: renesas: div6: Switch to .determine_rate()
  clk: renesas: div6: Simplify src mask handling
  clk: renesas: div6: Use clamp() instead of clamp_t()
  clk: renesas: rcar-usb2-clock-sel: Fix error handling in .probe()
  clk: renesas: r8a779a0: Add ISPCS clocks
  clk: renesas: rcar-gen3: Add boost support to Z clocks
  clk: renesas: rcar-gen3: Add custom clock for PLLs
  clk: renesas: rcar-gen3: Increase Z clock accuracy
  clk: renesas: rcar-gen3: Grammar s/dependent of/dependent on/
  clk: renesas: rcar-gen3: Remove superfluous masking in cpg_z_clk_set_rate()
  ...

* clk-sifive:
  clk: analogbits: fix doc warning in wrpll-cln28hpc.c
  clk: sifive: Fix kernel-doc

* clk-ti:
  drivers: ti: remove redundant error message in adpll.c
  clk: keystone: syscon-clk: Add support for AM64 specific epwm-tbclk
  dt-bindings: clock: ehrpwm: Add support for AM64 specific compatible
  clk: ti: add am33xx/am43xx spread spectrum clock support
  ARM: dts: am43xx-clocks: add spread spectrum support
  ARM: dts: am33xx-clocks: add spread spectrum support
  dt-bindings: ti: dpll: add spread spectrum support
  clk: ti: fix typo in routine description
2021-06-29 13:32:46 -07:00
Rajan Vaja
03aea91bbe clk: zynqmp: Handle divider specific read only flag
Add support for divider specific read only CCF flag
(CLK_DIVIDER_READ_ONLY).

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Link: https://lore.kernel.org/r/20210628070122.26217-5-rajan.vaja@xilinx.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-06-28 23:35:37 -07:00
Rajan Vaja
54530ed17d clk: zynqmp: Use firmware specific mux clock flags
Use ZynqMP specific mux clock flags instead of using CCF flags.

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Link: https://lore.kernel.org/r/20210628070122.26217-4-rajan.vaja@xilinx.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-06-28 23:35:36 -07:00
Rajan Vaja
1b09c308e6 clk: zynqmp: Use firmware specific divider clock flags
Use ZynqMP specific divider clock flags instead of using CCF flags.

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Link: https://lore.kernel.org/r/20210628070122.26217-3-rajan.vaja@xilinx.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-06-28 23:35:36 -07:00
Rajan Vaja
610a5d8301 clk: zynqmp: Use firmware specific common clock flags
Currently firmware passes CCF specific flags to ZynqMP clock driver.
So firmware needs to be updated if CCF flags are changed. The firmware
should have its own 'flag number space' that is distinct from the
common clk framework's 'flag number space'. So define and use ZynqMP
specific common clock flags instead of using CCF flags.

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Link: https://lore.kernel.org/r/20210628070122.26217-2-rajan.vaja@xilinx.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-06-28 23:35:36 -07:00