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The cgu.h has structures that contain 'clk_onecell_data' and 'clk_hw'
structures (no pointers), so the <linux/clk-provider.h> header should be
included.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
[sboyd@kernel.org: Drop removal of includes in drivers]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This allows to easily determine the parent in shell scripts without
parsing more complex files.
Add the clk_parent file for all clks which can have a parent, not just
muxes. This way it can be used to determine the clk tree structure
without parsing more complex files.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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A boolean expression already evaluates to true or false, so there is no
need to check the result and return true or false explicitly.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The fixed dividers for the emac clocks should be 2 not 4.
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The nand_clk is actually called the nand_x_clk and the parent is the
l4_mp_clk, not the l4_main_clk. The nand_clk is a child of the
nand_x_clk and has a fixed divider of 4. The same is true for the
nand_ecc_clk.
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The 98DX1135 is a switch chip with an integrated CPU. This is similar to
the 98DX4122 except that the core clock speed is fixed to 166Mhz.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add compatible string for the core clock on the 98dx1135 switch with
integrated CPU.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add some new clk devm APIs that we've added over time to the devres
documentation.
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add managed version of the clk_bulk_get_optional() helper function.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
[sboyd@kernel.org: Mark __devm_clk_bulk_get() static]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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clk_bulk_get_optional() allows to get a group of clocks where one
or more is optional. For a not available clock, e.g. not specifed
in the clock consumer node in DT, its respective struct clk pointer
will be NULL. This allows for operating on a group of returned
clocks (struct clk_bulk_data array) with existing clk_bulk* APIs.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The possible parent printing function duplicates a bunch of if
conditions. Pull that into another function so we can print an extra
character at the end, either a space or a newline. This way we can add
the required newline that got lost here and also shorten the code.
Fixes: 2d156b78ce8f ("clk: Fix debugfs clk_possible_parents for clks without parent string names")
Cc: Chen-Yu Tsai <wens@csie.org>
Tested-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into clk-imx
Pull i.MX clk driver changes from Shawn Guo:
- A series from Abel Vesa to switch i.MX6 and i.MX7 clock drivers to
clk_hw based API
- Add GPIO, SNVS and GIC clocks for i.MX8 drivers
- Create a common function imx_mmdc_mask_handshake() for masking MMDC
handshake
- Drop __init for function imx_check_clocks() and imx_register_uart_clocks(),
so that they can be used by i.MX8 clock drivers which use driver model
- Use devm_platform_ioremap_resource() instead of of_iomap() for imx8mq
clock driver
- Mark imx6sx/ul/ull/sll MMDC_P1_IPG and imx8mm DRAM_APB as critical clock.
- Correct imx7ulp nic1_bus_clk and imx8mm audio_pll2_clk clock setting
* tag 'imx-clk-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: (38 commits)
clk: imx8mq: Keep uart clocks on during system boot
clk: imx: Remove __init for imx_register_uart_clocks() API
clk: imx6q: fix section mismatch warning
clk: imx8mq: Use devm_platform_ioremap_resource() instead of of_iomap()
clk: imx8mq: Use imx_check_clocks() API directly
clk: imx: Remove __init for imx_check_clocks() API
clk: imx6sll: Switch to clk_hw based API
clk: imx7d: Switch to clk_hw based API
clk: imx6ul: Switch to clk_hw based API
clk: imx6sx: Switch to clk_hw based API
clk: imx6q: Switch to clk_hw based API
clk: imx6sl: Switch to clk_hw based API
clk: imx: Switch wrappers to clk_hw based API
clk: imx: clk-fixup-mux: Switch to clk_hw based API
clk: imx: clk-fixup-div: Switch to clk_hw based API
clk: imx: clk-gate-exclusive: Switch to clk_hw based API
clk: imx: clk-pfd: Switch to clk_hw based API
clk: imx: clk-pllv3: Switch to clk_hw based API
clk: imx: clk-gate2: Switch to clk_hw based API
clk: imx: clk-cpu: Switch to clk_hw based API
...
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git://git.kernel.org/pub/scm/linux/kernel/git/snawrocki/clk into clk-samsung
Pull Samsung clk driver updates from Sylwester Nawrocki:
- Addition of clocks required for new Exynos5422 Dynamic Memory
Controller driver
- clock definition for Exynos4412 Mali
- minor clean up of clk-exynos5433.c
* tag 'clk-v5.3-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/snawrocki/clk:
clk: samsung: Add bus clock for GPU/G3D on Exynos4412
clk: samsung: add new clocks for DMC for Exynos5422 SoC
clk: samsung: add BPLL rate table for Exynos 5422 SoC
clk: samsung: add needed IDs for DMC clocks in Exynos5420
clk: samsung: exynos5433: Use of_clk_get_parent_count()
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into clk-renesas
Pull Renesas clk driver updates from Geert Uytterhoeven:
- Add CMM (Color Management Module) clocks on R-Car H3, M3-N, E3, and D3
- Add TPU (Timer Pulse Unit / PWM) clocks on RZ/G2M
- Small cleanups and fixes
* tag 'clk-renesas-for-v5.3-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers:
clk: renesas: cpg-mssr: Use [] to denote a flexible array member
clk: renesas: cpg-mssr: Combine driver-private and clock array allocation
clk: renesas: mstp: Combine group-private and clock array allocation
clk: renesas: div6: Combine clock-private and parent array allocation
clk: renesas: cpg-mssr: Update kerneldoc for struct cpg_mssr_priv
clk: renesas: r8a774a1: Add TMU clock
clk: renesas: r8a77995: Add CMM clocks
clk: renesas: r8a77990: Add CMM clocks
clk: renesas: r8a77965: Add CMM clocks
clk: renesas: r8a7795: Add CMM clocks
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https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into clk-allwinner
Pull Allwinner sunxi-ng clk driver parent relation rewrite part 1 - take 2
from Chen-Yu Tsai:
"The first part of ongoing work to convert the sunxi-ng clk driver from
using global clock name strings to describe clk parenting, to having
direct struct clk_hw pointers, or local names based on clock-names from
the device tree binding.
This is based on Stephen Boyd's recent work allowing clk drivers to
specify clk parents using struct clk_hw * or parsing DT phandles in the
clk node.
This series can be split into a few major parts:
1) The first patch is a small fix for clk debugfs representation.
2) A bunch of CLK_HW_INIT_* helper macros are added. These cover the
situations I encountered, or assume I will encounter, such as single
internal (struct clk_hw *) parent, single DT (struct clk_parent_data
.fw_name), multiple internal parents, and multiple mixed (internal +
DT) parents. A special variant for just an internal single parent is
added, CLK_HW_INIT_HWS, which lets the driver share the singular
list, instead of having the compiler create a compound literal every
time. It might even make sense to only keep this variant.
3) A bunch of CLK_FIXED_FACTOR_* helper macros are added. The rationale
is the same as the single parent CLK_HW_INIT_* helpers.
4) Bulk conversion of CLK_FIXED_FACTOR to use local parent references,
either struct clk_hw * or DT .fw_name types, whichever the hardware
requires.
5) The beginning of SUNXI_CCU_GATE conversion to local parent
references. This part is not done. They are included as justification
and examples for the shared list of clk parents case."
* tag 'sunxi-ng-parent-rewrite-part-1-take-2' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux: (25 commits)
clk: sunxi-ng: sun8i-r: Use local parent references for SUNXI_CCU_GATE
clk: sunxi-ng: a80-usb: Use local parent references for SUNXI_CCU_GATE
clk: sunxi-ng: gate: Add macros for referencing local clock parents
clk: sunxi-ng: h6-r: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: h6: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: a64: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: f1c100s: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: sun8i-r: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: v3s: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: r40: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: h3: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: a33: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: a23: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: a31: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: sun5i: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: a10: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: sun8i-r: Use local parent references for CLK_HW_INIT_*
clk: sunxi-ng: switch to of_clk_hw_register() for registering clks
clk: fixed-factor: Add CLK_FIXED_FACTOR_FW_NAME for DT clock-names parent
clk: fixed-factor: Add CLK_FIXED_FACTOR_HWS which takes list of struct clk_hw *
...
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https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into clk-allwinner
Pull Allwinner clk driver updates from Maxime Ripard:
- A few patches to fix two minor bugs
- Introduce a schema for our device tree bindings
* tag 'sunxi-clk-for-5.3-201906210814' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
dt-bindings: clk: Convert Allwinner CCU to a schema
clk: sunxi-ng: sun50i-h6-r: Fix incorrect W1 clock gate register
clk-sunxi: fix a missing-check bug in sunxi_divs_clk_setup()
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This function can return a negative number when it fails, but res->sets
is at most a u16 which can't hold that negative number. Let's store the
result into an int, ret, and then assign that to res->sets when it works
to avoid this logical impossibility.
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/kristo/linux into clk-ti
Pull TI Keystone clk driver changes from Tero Kristo:
- Add support for 32 bit clock IDs for sci-clks, this is needed
for the new J721e SoC which has a few devices that have more than
255 clocks associated to them.
- Clock probing done from DT by default instead of firmware side.
Scanning clocks from DT is much faster than firmware, and also we
can omit unnecessary clocks which saves even more time. This has been
done in the interest of saving boot time.
- Remove the device tree node path from the registered sci-clk names.
This mainly makes the debugfs interface more readable.
- Also contains a single drivers/firmware change which needs to go in
via this pull-request; to support the 32bit clock IDs.
* tag 'keystone-clk-for-5.3-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/kristo/linux:
firmware: ti_sci: extend clock identifiers from u8 to u32
clk: keystone: sci-clk: extend clock IDs to 32 bits
clk: keystone: sci-clk: probe clocks from DT instead of firmware
clk: keystone: sci-clk: split out the fw clock parsing to own function
clk: keystone: sci-clk: cut down the clock name length
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clk-meson
Pull Amlogic clk driver updates from Jerome Brunet:
- Fix mpll fractional part and spread sprectrum issues
- Add meson8 audio clocks
- Add g12a temperature sensors clocks
- Add g12a and g12b cpu clocks
* tag 'clk-meson-5.3-1' of https://github.com/BayLibre/clk-meson:
clk: meson: g12a: mark fclk_div3 as critical
clk: meson: g12a: Add support for G12B CPUB clocks
dt-bindings: clk: meson: add g12b periph clock controller bindings
clk: meson-g12a: add temperature sensor clocks
dt-bindings: clk: g12a-clkc: add Temperature Sensor clock IDs
clk: meson: meson8b: add the cts_i958 clock
clk: meson: meson8b: add the cts_mclk_i958 clocks
clk: meson: meson8b: add the cts_amclk clocks
dt-bindings: clock: meson8b: add the audio clocks
clk: meson: g12a: add controller register init
clk: meson: eeclk: add init regs
clk: meson: g12a: add mpll register init sequences
clk: meson: mpll: add init callback and regs
clk: meson: axg: spread spectrum is on mpll2
clk: meson: gxbb: no spread spectrum on mpll0
clk: meson: mpll: properly handle spread spectrum
clk: meson: meson8b: fix a typo in the VPU parent names array variable
clk: meson: fix MPLL 50M binding id typo
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Call imx_register_uart_clocks() API to keep uart clocks enabled
when earlyprintk or earlycon is active.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Some of i.MX SoCs' clock driver use platform driver model,
and they need to call imx_register_uart_clocks() API, so
imx_register_uart_clocks() API should NOT be in .init section.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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With the new clk parenting code and SUNXI_CCU_GATE macros, we can
reference parents locally via pointers to struct clk_hw or DT
clock-names.
Convert existing SUNXI_CCU_GATE definitions to SUNXI_CCU_GATE_HWS
as the parent clock is internal to this clock unit.
To avoid duplication of clock definitions, we fix up the parent
reference for A83T in the A83T init function.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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With the new clk parenting code and SUNXI_CCU_GATE macros, we can
reference parents locally via pointers to struct clk_hw or DT
clock-names.
Convert existing SUNXI_CCU_GATE definitions to SUNXI_CCU_GATE_DATA to
specify the parent clock.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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With the new clk parenting code, clk_init_data was expanded to include
.parent_hws, for clk drivers to directly reference parents by clk_hw,
and .parent_data, for clk drivers to specify parents using a combination
of device tree clock-names, pointers to struct clk_hw, device tree clocks,
and/or fallback global clock names.
Add four new macros:
- SUNXI_CCU_GATE_HW, that can take a struct clk_hw pointer, instead
of a string, as its parent.
- SUNXI_CCU_GATE_FW that takes a string to match a clock-names entry
in the device tree to specify the clock parent.
- SUNXI_CCU_GATE_HWS that takes an array of struct clk_hw * as its
parent. This allows the array to be shared with other clk
declarations.
- SUNXI_CCU_GATE_DATA that takes an array of struct clk_parent_data *
as its parent. This allows the array to be shared with other clk
declarations.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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With the new clk parenting code and CLK_FIXED_FACTOR_{HW,FW_NAME}
macros, we can reference parents locally via pointers to struct clk_hw
or DT clock-names.
Convert existing CLK_FIXED_FACTOR definitions to either the _HW or
_FW_NAME variant based on whether the parent clock is internal or
external to the CCU.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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With the new clk parenting code and CLK_FIXED_FACTOR_{HW,FW_NAME}
macros, we can reference parents locally via pointers to struct clk_hw
or DT clock-names.
Convert existing CLK_FIXED_FACTOR definitions to either the _HW or
_FW_NAME variant based on whether the parent clock is internal or
external to the CCU.
A forward declaration for struct clk_fixed_factor pll_periph0_4x_clk
is added as the definitions of the fixed factor clocks appear much later
in the file. The position of fixed factor clock definitions will be
moved for all drivers at a later time, before the conversion of all
other clock types.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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With the new clk parenting code and CLK_FIXED_FACTOR_{HW,FW_NAME}
macros, we can reference parents locally via pointers to struct clk_hw
or DT clock-names.
Convert existing CLK_FIXED_FACTOR definitions to either the _HW or
_FW_NAME variant based on whether the parent clock is internal or
external to the CCU.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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With the new clk parenting code and CLK_FIXED_FACTOR_{HW,FW_NAME}
macros, we can reference parents locally via pointers to struct clk_hw
or DT clock-names.
Convert existing CLK_FIXED_FACTOR definitions to either the _HW or
_FW_NAME variant based on whether the parent clock is internal or
external to the CCU.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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Flexible array members should be denoted using [] instead of [0], else
gcc will not warn when they are no longer at the end of the structure.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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Make cpg_mssr_priv.clks[] a flexible array member, and use the new
struct_size() helper, to combine the allocation of the driver-private
structure and array of available clocks.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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Make mstp_clock_group.clks[] a flexible array member, and use the new
struct_size() helper, to combine the allocation of the group-private
structure and array of module clocks.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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Make div6_clock.parents[] a flexible array member, and use the new
struct_size() helper, to combine the allocation of the clock-private
structure and array of parent clocks.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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New fields were added, but kerneldoc was forgotten, or inserted at the
wrong place.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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Add ID and gate for bus clock for GPU (Mali 400) on Exynos4412.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
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The imx6q_obtain_fixed_clk_hw lacks an __init marker, which
leads to this otherwise harmless warning:
WARNING: vmlinux.o(.text+0x495358): Section mismatch in reference from the function imx6q_obtain_fixed_clk_hw() to the function .init.text:imx_obtain_fixed_clock_hw()
The function imx6q_obtain_fixed_clk_hw() references
the function __init imx_obtain_fixed_clock_hw().
This is often because imx6q_obtain_fixed_clk_hw lacks a __init
annotation or the annotation of imx_obtain_fixed_clock_hw is wrong.
Fixes: 992b703b5b38 ("clk: imx6q: Switch to clk_hw based API")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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With the new clk parenting code and CLK_FIXED_FACTOR_{HW,FW_NAME}
macros, we can reference parents locally via pointers to struct clk_hw
or DT clock-names.
Convert existing CLK_FIXED_FACTOR definitions to either the _HW or
_FW_NAME variant based on whether the parent clock is internal or
external to the CCU.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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With the new clk parenting code and CLK_FIXED_FACTOR_{HW,FW_NAME}
macros, we can reference parents locally via pointers to struct clk_hw
or DT clock-names.
Convert existing CLK_FIXED_FACTOR definitions to either the _HW or
_FW_NAME variant based on whether the parent clock is internal or
external to the CCU.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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With the new clk parenting code and CLK_FIXED_FACTOR_{HW,FW_NAME}
macros, we can reference parents locally via pointers to struct clk_hw
or DT clock-names.
Convert existing CLK_FIXED_FACTOR definitions to either the _HW or
_FW_NAME variant based on whether the parent clock is internal or
external to the CCU.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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With the new clk parenting code and CLK_FIXED_FACTOR_{HW,FW_NAME}
macros, we can reference parents locally via pointers to struct clk_hw
or DT clock-names.
Convert existing CLK_FIXED_FACTOR definitions to either the _HW or
_FW_NAME variant based on whether the parent clock is internal or
external to the CCU.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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With the new clk parenting code and CLK_FIXED_FACTOR_{HW,FW_NAME}
macros, we can reference parents locally via pointers to struct clk_hw
or DT clock-names.
Convert existing CLK_FIXED_FACTOR definitions to either the _HW or
_FW_NAME variant based on whether the parent clock is internal or
external to the CCU.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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With the new clk parenting code and CLK_FIXED_FACTOR_{HW,FW_NAME}
macros, we can reference parents locally via pointers to struct clk_hw
or DT clock-names.
Convert existing CLK_FIXED_FACTOR definitions to either the _HW or
_FW_NAME variant based on whether the parent clock is internal or
external to the CCU.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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With the new clk parenting code and CLK_FIXED_FACTOR_{HW,FW_NAME}
macros, we can reference parents locally via pointers to struct clk_hw
or DT clock-names.
Convert existing CLK_FIXED_FACTOR definitions to either the _HW or
_FW_NAME variant based on whether the parent clock is internal or
external to the CCU.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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With the new clk parenting code and CLK_FIXED_FACTOR_{HW,FW_NAME}
macros, we can reference parents locally via pointers to struct clk_hw
or DT clock-names.
Convert existing CLK_FIXED_FACTOR definitions to either the _HW or
_FW_NAME variant based on whether the parent clock is internal or
external to the CCU.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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With the new clk parenting code and CLK_FIXED_FACTOR_{HW,FW_NAME}
macros, we can reference parents locally via pointers to struct clk_hw
or DT clock-names.
Convert existing CLK_FIXED_FACTOR definitions to either the _HW or
_FW_NAME variant based on whether the parent clock is internal or
external to the CCU.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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With the new clk parenting code and CLK_HW_INIT_* macros, we can
reference parents locally via pointers to struct clk_hw or DT
clock-names.
Convert existing CLK_HW_INIT_* definitions to describe parents using
either struct clk_hw pointers or clock-names from the device tree
binding.
For the AR100, this also allows us to merge the generic AR100 and the
A83T specific one, which only differed in the global clock names for
their parent clocks. The device tree bindings used the same name
specifiers.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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Commit 89a5ddcc799d ("clk: Add of_clk_hw_register() API for early clk
drivers") introduces a new API for registering clks, which allows the
user to directly specify a device node, even if there is no struct
device attached to it. The device node is used for local DT clock-names
matching.
Switch to of_clk_hw_register() so that local DT clock-names matching
works.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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With the new clk parenting code, clk_init_data was expanded to include
.parent_data, for clk drivers to specify parents using a combination of
device tree clock-names, pointers to struct clk_hw, device tree clocks,
and/or fallback global clock names.
Add a new macro, CLK_FIXED_FACTOR_FW_NAME, that takes a string to match
a clock-names entry in the device tree to specify the clock parent.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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With the new clk parenting code, clk_init_data was expanded to include
.parent_hws, for clk drivers to directly reference parents by clk_hw.
Add a new macro, CLK_FIXED_FACTOR_HWS, that can take an array of pointers
to struct clk_hw, instead of a string, as its parent. Taking an array
instead of a direct pointer allows the reuse of the array for multiple
clks, rather than having one compound literal with the same contents
allocated for each clk declaration.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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With the new clk parenting code, clk_init_data was expanded to include
.parent_hws, for clk drivers to directly reference parents by clk_hw.
Add a new macro, CLK_FIXED_FACTOR_HW, that can take a struct clk_hw
pointer, instead of a string, as its parent.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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