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The PCIe function doesn't work as the clock tree of MAC layer is wrong.
Hence fix the clock table.
Fixes: 3b5e748615e7 ("clk: mediatek: add clock support for MT7629 SoC")
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This function is called from driver probe, which isn't the same as
__init code because driver probe can happen later. Drop the __init
marking here to fix this potential problem.
Cc: Sean Wang <sean.wang@mediatek.com>
Cc: Ryder Lee <ryder.lee@mediatek.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Wenzhen Yu <wenzhen.yu@mediatek.com>
Cc: Weiyi Lu <weiyi.lu@mediatek.com>
Fixes: 2fc0a509e4ee ("clk: mediatek: add clock support for MT7622 SoC")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This function is used from more places than just __init code. Removing
__init silences a section mismatch warning here.
Cc: Sean Wang <sean.wang@mediatek.com>
Cc: Ryder Lee <ryder.lee@mediatek.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Wenzhen Yu <wenzhen.yu@mediatek.com>
Cc: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add all supported clocks exported from every susbystem found on MT7629 SoC.
Signed-off-by: Wenzhen Yu <wenzhen.yu@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Array audio_parents is declared but never used, hence it is redundant
and can be removed.
Cleans up clang warning:
warning: 'audio_parents' defined but not used [-Wunused-const-variable=]
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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'clk-mtk-mali' and 'clk-imx6ul-ccosr' into clk-next
* clk-hisi-usb:
clk: hisilicon: add missing usb3 clocks for Hi3798CV200 SoC
* clk-silent-bulk:
clk: bulk: silently error out on EPROBE_DEFER
* clk-mtk-hdmi:
clk: mediatek: correct the clocks for MT2701 HDMI PHY module
* clk-mtk-mali:
clk: mediatek: add g3dsys support for MT2701 and MT7623
dt-bindings: reset: mediatek: add entry for Mali-450 node to refer
dt-bindings: clock: mediatek: add entry for Mali-450 node to refer
dt-bindings: clock: mediatek: add g3dsys bindings
* clk-imx6ul-ccosr:
clk: imx: Add new clo01 and clo2 controlled by CCOSR
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Add clock driver support for g3dsys on MT2701 and MT7623, which is
providing essential clock gate and reset controller to Mali-450.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The hdmitx_dig_cts clock signal is not a child of clk26m,
and the actual output of the PLL block is derived from
the tvdpll via a configurable PLL post-divider.
It is used as the PLL reference input to the HDMI PHY module.
Fixes: e9862118272a ("clk: mediatek: Add MT2701 clock support")
Signed-off-by: Chunhui Dai <chunhui.dai@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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'clk-renesas' into clk-next
* clk-mediatek:
clk: mediatek: add audsys support for MT2701
clk: mediatek: add devm_of_platform_populate() for MT7622 audsys
dt-bindings: clock: mediatek: add audsys support for MT2701
dt-bindings: clock: mediatek: update audsys documentation to adapt MFD device
clk: mediatek: update missing clock data for MT7622 audsys
clk: mediatek: fix PWM clock source by adding a fixed-factor clock
dt-bindings: clock: mediatek: add binding for fixed-factor clock axisel_d4
* clk-hisi:
clk: hisilicon: fix potential NULL dereference in hisi_clk_alloc()
clk: hisilicon: mark wdt_mux_p[] as const
clk: hisilicon: Mark phase_ops static
clk: hi3798cv200: add emmc sample and drive clock
clk: hisilicon: add hisi phase clock support
clk: hi3798cv200: add COMBPHY0 clock support
clk: hi3798cv200: fix define indentation
clk: hi3798cv200: add support for HISTB_USB2_OTG_UTMI_CLK
clk: hi3798cv200: correct IR clock parent
clk: hi3798cv200: fix unregister call sequence in error path
* clk-allwinner:
clk: sunxi-ng: add missing hdmi-slow clock for H6 CCU
clk: sunxi-ng: add support for the Allwinner H6 CCU
dt-bindings: add device tree binding for Allwinner H6 main CCU
clk: sunxi-ng: Support fixed post-dividers on NKMP style clocks
clk: sunxi-ng: h3: h5: export CLK_PLL_VIDEO
clk: sunxi-ng: h3: h5: Allow some clocks to set parent rate
clk: sunxi-ng: h3: h5: Add minimal rate for video PLL
clk: sunxi-ng: Add check for minimal rate to NM PLLs
clk: sunxi-ng: Use u64 for calculation of nkmp rate
clk: sunxi-ng: Mask nkmp factors when setting register
clk: sunxi-ng: remove select on obsolete SUNXI_CCU_X kconfig name
* clk-ux500:
clk: ux500: Drop AB8540/9540 support
* clk-renesas: (27 commits)
clk: renesas: cpg-mssr: Adjust r8a77980 ifdef
clk: renesas: rcar-gen3: Always use readl()/writel()
clk: renesas: sh73a0: Always use readl()/writel()
clk: renesas: rza1: Always use readl()/writel()
clk: renesas: rcar-gen2: Always use readl()/writel()
clk: renesas: r8a7740: Always use readl()/writel()
clk: renesas: r8a73a4: Always use readl()/writel()
clk: renesas: mstp: Always use readl()/writel()
clk: renesas: div6: Always use readl()/writel()
clk: fix false-positive Wmaybe-uninitialized warning
clk: renesas: r8a77965: Replace DU2 clock
clk: renesas: cpg-mssr: Add support for R-Car M3-N
clk: renesas: cpg-mssr: add R8A77980 support
dt-bindings: clock: add R8A77980 CPG core clock definitions
clk: renesas: r8a7792: Add rwdt clock
clk: renesas: r8a7794: Add rwdt clock
clk: renesas: r8a7791/r8a7793: Add rwdt clock
clk: renesas: r8a7790: Add rwdt clock
clk: renesas: r8a7745: Add rwdt clock
clk: renesas: r8a7743: Add rwdt clock
...
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Add clock driver support for MT2701 audsys.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add devm_of_platform_populate() to populate devices which are children
of the root node.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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According to ECO design change,
1. add new clock mux data and change some
2. add new clock gate data and clock factor data
3. change status register offset of infra subsystem
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add missing clock data 'CLK_AUDIO_AFE_CONN' for MT7622 audsys.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The clock for which all PWM devices on MT7623 or MT2701 actually depending
on has to be divided by four from its parent clock axi_sel in the clock
path prior to PWM devices.
Consequently, adding a fixed-factor clock axisel_d4 as one-fourth of
clock axi_sel allows that PWM devices can have the correct resolution
calculation.
Cc: stable@vger.kernel.org
Fixes: e9862118272a ("clk: mediatek: Add MT2701 clock support")
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Changes from v1->v2:
Add 'select RESET_CONTROLLER' under COMMON_CLK_MEDIATEK and enable
reset.c to be built when COMMON_CLK_MEDIATEK is selected. That should
be quite reasonable because the reset controller is tightly embedded
inside and exported from these clock subsystems. At least it can be found
on infracfg and pericfg subsystem that both are really fundamental block
lots of devices must depend on.
commit 74cb0d6dde8 ("clk: mediatek: fixup test-building of MediaTek clock
drivers") can let the build system looking into the directory where the
clock drivers resides and then allow test-building the drivers.
But the change also gives rise to certain incorrect behavior which is
reset.c being built even not depending on either COMPILE_TEST or
ARCH_MEDIATEK alternative dependency. To get rid of reset.c being built
unexpectedly on the other platforms, it would be a good change that the
file should be built depending on its own specific configuration rather
than just on generic RESET_CONTROLLER one.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Cc: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Even though the header file linux/clk-provider.h is already being properly
included in clk-mtk.h, the definition of struct clk_onecell_data still
must depend on CONFIG_COMMON_CLK defined and thus it's possible that
below build warnings occur when CONFIG_COMMON_CLK is not being selected.
Therefore, these functions which need struct clk_onecell_data without
declaring that structure first requires simply declaring that this struct
exists prior to referencing it in clk-mtk.h
Changes from v1->v2:
enhance v1 based on two useful solutions Jean Delvare kindly suggested.
All warnings (new ones prefixed by >>):
In file included from drivers/clk/mediatek/reset.c:22:0:
>>drivers/clk/mediatek/clk-mtk.h:44:19: warning: 'struct clk_onecell_data'
declared inside parameter list will not be visible outside of
this definition or declaration
int num, struct clk_onecell_data *clk_data);
^~~~~~~~~~~~~~~~
drivers/clk/mediatek/clk-mtk.h:63:19: warning: 'struct clk_onecell_data'
declared inside parameter list will not be visible outside of
this definition or declaration
int num, struct clk_onecell_data *clk_data);
^~~~~~~~~~~~~~~~
drivers/clk/mediatek/clk-mtk.h:145:10: warning: 'struct clk_onecell_data'
declared inside parameter list will not be visible outside of
this definition or declaration
struct clk_onecell_data *clk_data);
^~~~~~~~~~~~~~~~
drivers/clk/mediatek/clk-mtk.h:164:11: warning: 'struct clk_onecell_data'
declared inside parameter list will not be visible outside of
this definition or declaration
struct clk_onecell_data *clk_data);
^~~~~~~~~~~~~~~~
drivers/clk/mediatek/clk-mtk.h:190:12: warning: 'struct clk_onecell_data'
declared inside parameter list will not be visible outside of this
definition or declaration
struct clk_onecell_data *clk_data);
^~~~~~~~~~~~~~~~
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Cc: kbuild-all@01.org
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Jean Delvare <jdelvare@suse.de>
Cc: linux-clk@vger.kernel.org
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Getting much MediaTek clock driver have been added to CCF, so it's
better adding the cleanup for grouping drivers under the independent
menu to simplify configuration selection. In addition, really trivial
fixups for typos are added in the same patch.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"We have two changes to the core framework this time around.
The first being a large change that introduces runtime PM support to
the clk framework. Now we properly call runtime PM operations on the
device providing a clk when the clk is in use. This helps on SoCs
where the clks provided by a device need something to be powered on
before using the clks, like power domains or regulators. It also helps
power those things down when clks aren't in use.
The other core change is a devm API addition for clk providers so we
can get rid of a bunch of clk driver remove functions that are just
doing of_clk_del_provider().
Outside of the core, we have the usual addition of clk drivers and
smattering of non-critical fixes to existing drivers. The biggest diff
is support for Mediatek MT2712 and MT7622 SoCs, but those patches
really just add a bunch of data.
By the way, we're trying something new here where we build the tree up
with topic branches. We plan to work this into our workflow so that we
don't step on each other's toes, and so the fixes branch can be merged
on an as-needed basis.
Summary:
Core:
- runtime PM support for clk providers
- devm API for of_clk_add_hw_provider()
New Drivers:
- Mediatek MT2712 and MT7622
- Renesas R-Car V3M SoC
Updates:
- runtime PM support for Samsung exynos5433/exynos4412 providers
- removal of clkdev aliases on Samsung SoCs
- convert clk-gpio to use gpio descriptors
- various driver cleanups to match kernel coding style
- Amlogic Video Processing Unit VPU and VAPB clks
- sigma-delta modulation for Allwinner audio PLLs
- Allwinner A83t Display clks
- support for the second display unit clock on Renesas RZ/G1E
- suspend/resume support for Renesas R-Car Gen3 CPG/MSSR
- new clock ids for Rockchip rk3188 and rk3368 SoCs
- various 'const' markings on clk_ops structures
- RPM clk support on Qualcomm MSM8996/MSM8660 SoCs"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (137 commits)
clk: stm32h7: fix test of clock config
clk: pxa: fix building on older compilers
clk: sunxi-ng: a83t: Fix i2c buses bits
clk: ti: dra7-atl-clock: fix child-node lookups
clk: qcom: common: fix legacy board-clock registration
clk: uniphier: fix DAPLL2 clock rate of Pro5
clk: uniphier: fix parent of miodmac clock data
clk: hi3798cv200: correct parent mux clock for 'clk_sdio0_ciu'
clk: hisilicon: Delete an error message for a failed memory allocation in hisi_register_clkgate_sep()
clk: hi3660: fix incorrect uart3 clock freqency
clk: kona-setup: Delete error messages for failed memory allocations
ARC: clk: fix spelling mistake: "configurarion" -> "configuration"
clk: cdce925: remove redundant check for non-null parent_name
clk: versatile: Improve sizeof() usage
clk: versatile: Delete error messages for failed memory allocations
clk: ux500: Improve sizeof() usage
clk: ux500: Delete error messages for failed memory allocations
clk: spear: Delete error messages for failed memory allocations
clk: ti: Delete error messages for failed memory allocations
clk: mmp: Adjust checks for NULL pointers
...
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Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.
By default all files without license information are under the default
license of the kernel, which is GPL version 2.
Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier. The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.
How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
- file had no licensing information it it.
- file was a */uapi/* one with no licensing information in it,
- file was a */uapi/* one with existing licensing information,
Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.
The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne. Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.
The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed. Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.
Criteria used to select files for SPDX license identifier tagging was:
- Files considered eligible had to be source code files.
- Make and config files were included as candidates if they contained >5
lines of source
- File already had some variant of a license header in it (even if <5
lines).
All documentation files were explicitly excluded.
The following heuristics were used to determine which SPDX license
identifiers to apply.
- when both scanners couldn't find any license traces, file was
considered to have no license information in it, and the top level
COPYING file license applied.
For non */uapi/* files that summary was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 11139
and resulted in the first patch in this series.
If that file was a */uapi/* path one, it was "GPL-2.0 WITH
Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 WITH Linux-syscall-note 930
and resulted in the second patch in this series.
- if a file had some form of licensing information in it, and was one
of the */uapi/* ones, it was denoted with the Linux-syscall-note if
any GPL family license was found in the file or had no licensing in
it (per prior point). Results summary:
SPDX license identifier # files
---------------------------------------------------|------
GPL-2.0 WITH Linux-syscall-note 270
GPL-2.0+ WITH Linux-syscall-note 169
((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21
((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17
LGPL-2.1+ WITH Linux-syscall-note 15
GPL-1.0+ WITH Linux-syscall-note 14
((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5
LGPL-2.0+ WITH Linux-syscall-note 4
LGPL-2.1 WITH Linux-syscall-note 3
((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3
((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1
and that resulted in the third patch in this series.
- when the two scanners agreed on the detected license(s), that became
the concluded license(s).
- when there was disagreement between the two scanners (one detected a
license but the other didn't, or they both detected different
licenses) a manual inspection of the file occurred.
- In most cases a manual inspection of the information in the file
resulted in a clear resolution of the license that should apply (and
which scanner probably needed to revisit its heuristics).
- When it was not immediately clear, the license identifier was
confirmed with lawyers working with the Linux Foundation.
- If there was any question as to the appropriate license identifier,
the file was flagged for further research and to be revisited later
in time.
In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.
Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights. The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.
Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.
In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.
Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
- a full scancode scan run, collecting the matched texts, detected
license ids and scores
- reviewing anything where there was a license detected (about 500+
files) to ensure that the applied SPDX license was correct
- reviewing anything where there was no detection but the patch license
was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
SPDX license was correct
This produced a worksheet with 20 files needing minor correction. This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.
These .csv files were then reviewed by Greg. Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected. This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.) Finally Greg ran the script using the .csv files to
generate the patches.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add all supported clocks exported from every susbystem found on MT7622 SoC
such as topckgen, apmixedsys, infracfg, pericfg , pciessys, ssusbsys,
ethsys and audsys.
Signed-off-by: Chen Zhong <chen.zhong@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Since the previous setup always sets the PLL using crystal 26MHz, this
doesn't always happen in every MediaTek platform. So the patch added
flexibility for assigning extra member for determining the PLL source
clock.
Signed-off-by: Chen Zhong <chen.zhong@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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On gcc-4.6, we get a harmless link-time warning:
WARNING: vmlinux.o(.text.unlikely+0x196a0): Section mismatch in reference from the function mtk_infrasys_init_early() to the function .init.text:mtk_clk_register_cpumuxes()
The function mtk_infrasys_init_early() references
the function __init mtk_clk_register_cpumuxes().
This is often because mtk_infrasys_init_early lacks a __init
annotation or the annotation of mtk_clk_register_cpumuxes is wrong.
Newer compilers inline this function so they don't warn, but
marking it __init is the right solution for all versions.
Fixes: e9862118272a ("clk: mediatek: Add MT2701 clock support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Add MT2712 clock support, include topckgen, apmixedsys,
infracfg, pericfg, mcucfg and subsystem clocks.
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
[sboyd@codeaurora.org: Static on top_clk_data]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Now that we have a custom printf format specifier, convert users of
full_name to use %pOF instead. This is preparation to remove storing
of the full path string for each node.
Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: "Emilio López" <emilio@elopez.com.ar>
Cc: Peter De Schrijver <pdeschrijver@nvidia.com>
Cc: Prashant Gaikwad <pgaikwad@nvidia.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: Tero Kristo <t-kristo@ti.com>
Cc: linux-clk@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-mediatek@lists.infradead.org
Cc: linux-renesas-soc@vger.kernel.org
Cc: linux-tegra@vger.kernel.org
Cc: linux-omap@vger.kernel.org
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: James Liao <jamesjj.liao@mediatek.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Fixed the signedness bug returning '(-22)' on the return type as u8 with
removing the sanity checker in clk_cpumux_get_parent() since
clk_cpumux_set_parent() always ensures validity in clk_cpumux_get_parent()
got called.
Fixes: 1e17de9049da ("clk: mediatek: add missing cpu mux causing Mediatek cpufreq can't work")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The patch enables CPU multiplexer clock on MT8173 SoC which fixes up
cpufreq driver fails at acquiring intermediate clock source when driver
probe is called.
Signed-off-by: Pi-Cheng Chen <pi-cheng.chen@linaro.org>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The patch enables CPU multiplexer clock on MT2701/MT7623 SoC which fixes
up cpufreq driver fails at acquiring intermediate clock source when driver
probe is called.
Signed-off-by: Pi-Cheng Chen <pi-cheng.chen@linaro.org>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This patch adds CPU multiplexer clocks which are essential for Mediatek
cpufreq driver. It would use the CPU clock multiplexer to switch to the
intermediate clock source temporarily and then wait for the primary clock
changing getting stable.
Signed-off-by: Pi-Cheng Chen <pi-cheng.chen@linaro.org>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The ethernet clock core has a reset register that is currently not exposed
to the user. Fix this by adding the missing registration code.
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Add MT6797 clock support, include topckgen, apmixedsys, infracfg
and subsystem clocks
Signed-off-by: Kevin-CW Chen <kevin-cw.chen@mediatek.com>
Signed-off-by: Mars Cheng <mars.cheng@mediatek.com>
Tested-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The MT8135 is a 32-bit SoC, so only propose it on ARM architecture,
not ARM64.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Fixes: 234d511d8c15 ("clk: mediatek: Add hardware dependency")
Cc: Andreas Färber <afaerber@suse.de>
Acked-by: James Liao <jamesjj.liao@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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If I say "no" to "Clock driver for Mediatek MT2701", I don't want to
be asked individually about each sub-driver. No means no.
Additionally, this driver shouldn't be proposed at all on non-mediatek
builds, unless build-testing.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Fixes: e9862118272a ("clk: mediatek: Add MT2701 clock support")
Reviewed-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: James Liao <jamesjj.liao@mediatek.com>
Cc: Shunli Wang <shunli.wang@mediatek.com>
Cc: Erin Lo <erin.lo@mediatek.com>
Cc: Michael Turquette <mturquette@baylibre.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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In infrasys and perifsys, there are many reset
control bits for kinds of modules. These bits are
used as actual reset controllers to be registered
into kernel's generic reset controller framework.
Signed-off-by: Shunli Wang <shunli.wang@mediatek.com>
Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Signed-off-by: Erin Lo <erin.lo@mediatek.com>
Tested-by: John Crispin <blogic@openwrt.org>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Add MT2701 clock support, include topckgen, apmixedsys,
infracfg, pericfg and subsystem clocks.
Signed-off-by: Shunli Wang <shunli.wang@mediatek.com>
Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Signed-off-by: Erin Lo <erin.lo@mediatek.com>
Tested-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Only propose the mediatek clock drivers on this platform, unless
build-testing.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Shunli Wang <shunli.wang@mediatek.com>
Cc: James Liao <jamesjj.liao@mediatek.com>
Cc: Erin Lo <erin.lo@mediatek.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Michael Turquette <mturquette@baylibre.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Free memory mapping if init is not successful.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Reviewed-by: James Liao <jamesjj.liao@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Add a Kconfig to define clock configuration for each SoC, and
modify the Makefile to build drivers that only selected in config.
Signed-off-by: Shunli Wang <shunli.wang@mediatek.com>
Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Signed-off-by: Erin Lo <erin.lo@mediatek.com>
Tested-by: John Crispin <blogic@openwrt.org>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Remove __init from functions that will be used by init functions
that support probe deferral.
Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Signed-off-by: Erin Lo <erin.lo@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The hdmitx_dig_cts clock signal is not a child of tvdpll_445p5m,
but is routed out of the HDMI PHY module.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
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The configurable hdmi_ref output of the PLL block is derived from
the tvdpll_594m clock signal via a configurable PLL post-divider.
It is used as the PLL reference input to the HDMI PHY module.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: James Liao <jamesjj.liao@mediatek.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
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This mux is supposed to select a fitting divider after the PLL
is already set to the correct rate.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: James Liao <jamesjj.liao@mediatek.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
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The mtk_reset_ops structure is never modified. Make it const.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This flag is a no-op now. Remove usage of the flag.
Acked-by: James Liao <jamesjj.liao@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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mtk_clk_register_composite() may leak memory due to some error
handling path don't free all allocated memory. This patch
free all pointers that may allocate memory before error return.
And it's safe because kfree() can handle NULL pointers.
Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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to_clk_*(_hw) macros have been repeatedly defined in many places.
This patch moves all the to_clk_*(_hw) definitions in the common
clock framework to public header clk-provider.h, and drop the local
definitions.
Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Add REF2USB_TX clock support into MT8173 APMIXEDSYS. This clock
is needed by USB 3.0.
Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
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Most multimedia subsystem clocks will be accessed by multiple
drivers, so it's a better way to manage these clocks in CCF.
This patch adds clock support for MM, IMG, VDEC, VENC and VENC_LT
subsystems.
Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
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Remove the dependency from clk_null, and give all root clocks a
typical rate, include clkph_mck_o, usb_syspll_125m and hdmitx_dig_cts.
dpi_ck was removed due to no clock reference to it.
Replace parent clock of infra_cpum with cpum_ck, which is an external
clock and can be defined in the device tree.
Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
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This patch adds fixed clocks support by using CCF fixed-rate
clock implementation.
Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
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Add __init for clock registration functions, and add __initdata for
mtk_gate_regs initial structures.
Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
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