| Commit message (Collapse) | Author | Age | Files | Lines |
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This is a new fractional clock type introduced on i.MX8.
The description of this fractional clock can be found here:
https://www.nxp.com/docs/en/reference-manual/IMX8MDQLQRM.pdf#page=834
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add driver for the Clock Control Module found on i.MX8MQ.
Signed-off-by: Anson Huang <anson.huang@nxp.com>
Signed-off-by: Bai Ping <ping.bai@nxp.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Since a lot of clocks on imx8m are formed by a mux, gate, predivider and
divider, the idea here is to combine all of those into one composite clock,
but we need to deal with both predivider and divider at the same time and
therefore we add the imx8m_clk_composite_divider_ops and register
the composite clock with those.
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Suggested-by: Sascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"This time it looks like a quieter release cycle in the clk tree. I
guess that's because of summer time holidays/vacations. The biggest
change in the diffstat is in the Qualcomm clk driver, where they got
support for CPUs and handful of SoCs. After that, the at91 driver got
a major rewrite for newer DT bindings that should make things easier
going forward and the TI code moved to a clockdomain based design.
The long tail is mostly small driver updates for newer clks and some
simpler SoC clock drivers such as the Hisilicon and imx support.
In the core framework, we only have two small changes this time.
One is a new clk API to get all clks for a device with the bulk clk
APIs. This allows drivers that don't care about doing anything besides
turning on all the clks to just clk_get() them all and turn them on.
The other change is the beginning of a way to support save and restore
of clk settings in the clk framework. TI is the only user right now,
but we will want to expand upon this design in the future to support
more save and restore of clk registers. At least this gets us started
and works well enough for one SoC, but there's more work in the
future.
Core:
- clk_bulk_get_all() API and friends to get all the clks for a device
- Basic clk state save/restore hooks
New Drivers:
- Renesas RZ/A2 (R7S9210) SoC, including early clocks
- Rensas RZ/G1N (R8A7744) and RZ/G2E (R8A774C0) SoCs
- Rensas RZ/G2M (r8a774a1) SoC
- Qualcomm Krait CPU clk support
- Qualcomm QCS404 GCC support
- Qualcomm SDM660 GCC support
- Qualcomm SDM845 camera clock controller
- Ingenic jz4725b CGU
- Hisilicon 3670 SoC support
- TI SCI clks on K3 SoCs
- iMX6 MMDC clks
- Reset Controller (RMU) support for Actions Semi Owl S900 and S700 SoCs
Updates:
- Rework at91 PMC clock driver for new DT bindings
- Nvidia Tegra clk driver MBIST workaround fix
- S2RAM support for Marvell mvebu periph clks
- Use updated printk format for OF node names
- Fix TI code to only search DT subnodes
- Various static analysis finds
- Tag various drivers with SPDX license tags
- Support dynamic frequency switching (DFS) on qcom SDM845 GCC
- Only use s2mps11 dt-binding defines instead of redefining them in the driver
- Add some more missing clks to qcom MSM8996 GCC
- Quad SPI clks on qcom SDM845
- Add support for CMT timer clocks on R-Car V3H
- Add support for SHDI and various timer clocks on R-Car V3M
- Improve OSC and RCLK (watchdog) handling on R-Car Gen3 SoCs
- Amlogic clk-pll driver improvements and updates
- Amlogic axg audio controller system clocks
- Register Amlogic meson8b clock controller early
- Add support for SATA and Fine Display Processor (FDP) clocks on R-Car M3-N
- Consolidation of system suspend related code in Exynos, S5P, S3C SoC clk drivers
- Fixes for system suspend support on Exynos542x (Odroid boards) and Exynos5433 SoC
- Remove obsoleted Exynos4212 ISP clock definitions
- Migrated TI am3/4/5 and dra7 SoCs to clockdomain based design
- TI RTC+DDR sleep mode support for clock save/restore
- Allwinner A64 display engine support and fixes
- Allwinner A83t display engine support and fixes"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (186 commits)
clk: qcom: Remove unused arrays in SDM845 GCC
clk: fixed-rate: fix of_node_get-put imbalance
clk: s2mps11: Add used attribute to s2mps11_dt_match
clk: qcom: gcc-sdm660: Add MODULE_LICENSE
clk: qcom: Add safe switch hook for krait mux clocks
dt-bindings: clock: Document qcom,krait-cc
clk: qcom: Add Krait clock controller driver
dt-bindings: arm: Document qcom,kpss-gcc
clk: qcom: Add KPSS ACC/GCC driver
clk: qcom: Add support for Krait clocks
clk: qcom: Add IPQ806X's HFPLLs
clk: qcom: Add MSM8960/APQ8064's HFPLLs
dt-bindings: clock: Document qcom,hfpll
clk: qcom: Add HFPLL driver
clk: qcom: Add support for High-Frequency PLLs (HFPLLs)
ARM: Add Krait L2 register accessor functions
clk: imx6q: add mmdc0 ipg clock
clk: imx6sl: add mmdc ipg clocks
clk: imx6sll: add mmdc1 ipg clock
clk: imx6sx: add mmdc1 ipg clock
...
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* clk-fixed-rate-remove:
clk: fixed-rate: fix of_node_get-put imbalance
* clk-qcom-cleanup:
clk: qcom: Remove unused arrays in SDM845 GCC
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This change removes a parent map and parent name array that
appear to be completely unreferenced.
Signed-off-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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When the fixed rate clock is created by devicetree,
of_clk_add_provider is called. Add a call to
of_clk_del_provider in the remove function to balance
it out.
Signed-off-by: Alan Tull <atull@kernel.org>
Fixes: 435779fe1336 ("clk: fixed-rate: Convert into a module platform driver")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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'clk-smp2s11-match' into clk-next
- iMX6 MMDC clks
- Qualcomm Krait CPU clk support
* clk-imx6-mmdc:
clk: imx6q: add mmdc0 ipg clock
clk: imx6sl: add mmdc ipg clocks
clk: imx6sll: add mmdc1 ipg clock
clk: imx6sx: add mmdc1 ipg clock
clk: imx6ul: add mmdc1 ipg clock
* clk-qcom-krait:
clk: qcom: Add safe switch hook for krait mux clocks
dt-bindings: clock: Document qcom,krait-cc
clk: qcom: Add Krait clock controller driver
dt-bindings: arm: Document qcom,kpss-gcc
clk: qcom: Add KPSS ACC/GCC driver
clk: qcom: Add support for Krait clocks
clk: qcom: Add IPQ806X's HFPLLs
clk: qcom: Add MSM8960/APQ8064's HFPLLs
dt-bindings: clock: Document qcom,hfpll
clk: qcom: Add HFPLL driver
clk: qcom: Add support for High-Frequency PLLs (HFPLLs)
ARM: Add Krait L2 register accessor functions
* clk-rockchip:
clk: rockchip: Fix static checker warning in rockchip_ddrclk_get_parent call
clk: rockchip: use the newly added clock-id for hdmi on RK3066
clk: rockchip: add clock-id for HCLK_HDMI on rk3066
clk: rockchip: fix wrong mmc sample phase shift for rk3328
clk: rockchip: improve rk3288 pll rates for better hdmi output
* clk-smp2s11-match:
clk: s2mps11: Add used attribute to s2mps11_dt_match
clk: s2mps11: Fix matching when built as module and DT node contains compatible
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Clang warns after commit 8985167ecf57 ("clk: s2mps11: Fix matching when
built as module and DT node contains compatible"):
drivers/clk/clk-s2mps11.c:242:34: warning: variable 's2mps11_dt_match'
is not needed and will not be emitted [-Wunneeded-internal-declaration]
static const struct of_device_id s2mps11_dt_match[] = {
^
1 warning generated.
This warning happens when a variable is used in some construct that
doesn't require a reference to that variable to be emitted in the symbol
table; in this case, it's MODULE_DEVICE_TABLE, which only needs to hold
the data of the variable, not the variable itself.
$ nm -S drivers/clk/clk-s2mps11.o | rg s2mps11_dt_match
00000078 000003d4 R __mod_of__s2mps11_dt_match_device_table
Normally, with device ID table variables, it means that the variable
just needs to be tied to the device declaration at the bottom of the
file, like s2mps11_clk_id:
$ nm -S drivers/clk/clk-s2mps11.o | rg s2mps11_clk_id
00000000 00000078 R __mod_platform__s2mps11_clk_id_device_table
00000000 00000078 r s2mps11_clk_id
However, because the comment above this deliberately doesn't want this
variable added to .of_match_table, we need to mark s2mps11_dt_match as
__used to silence this warning. This makes it clear to Clang that the
variable is used for something, even if a reference to it isn't being
emitted.
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Fixes: 8985167ecf57 ("clk: s2mps11: Fix matching when built as module and DT node contains compatible")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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When driver is built as module and DT node contains clocks compatible
(e.g. "samsung,s2mps11-clk"), the module will not be autoloaded because
module aliases won't match.
The modalias from uevent: of:NclocksT<NULL>Csamsung,s2mps11-clk
The modalias from driver: platform:s2mps11-clk
The devices are instantiated by parent's MFD. However both Device Tree
bindings and parent define the compatible for clocks devices. In case
of module matching this DT compatible will be used.
The issue will not happen if this is a built-in (no need for module
matching) or when clocks DT node does not contain compatible (not
correct from bindings perspective but working for driver).
Note when backporting to stable kernels: adjust the list of device ID
entries.
Cc: <stable@vger.kernel.org>
Fixes: 53c31b3437a6 ("mfd: sec-core: Add of_compatible strings for clock MFD cells")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Fixes the signedness bug returning '(-22)' on the return type by removing the
sanity checker in rockchip_ddrclk_get_parent(). The function should return
and unsigned value only and it's safe to remove the sanity checker as the
core functions that call get_parent like clk_core_get_parent_by_index already
ensures the validity of the clk index returned (index >= core->num_parents).
Fixes: a4f182bf81f18 ("clk: rockchip: add new clock-type for the ddrclk")
Cc: stable@vger.kernel.org
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Export the clock for devicetree usage via the newly added id.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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mmc sample shift is 0 for RK3328 referring to the TRM.
So fix them.
Fixes: fe3511ad8a1c ("clk: rockchip: add clock controller for rk3328")
Cc: stable@vger.kernel.org
Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Add and correct PLL rates for better hdmi output.
This includes minimizing jitter on 213 MHz for better 71 MHz,
250.5 MHz for better 83.5 MHz, 428 MHz for better 25.175 Mhz,
low jitter 273 MHz for better 68.25 mhz, 356 MHz for better 118.68 Mhz
and 300MHz.
Increase the used Fvco for 308, 324 MHz, 292.5 MHz, 273.6 MHz,
238 MHz and 216 MHz.
And add some additional rates allowing to reach better hdmi-related
rates in general.
These match the rates used by ChromeOS, so have been quite widely tested.
Signed-off-by: Urja Rannikko <urjaman@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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When the Hfplls are reprogrammed during the rate change,
the primary muxes which are sourced from the same hfpll
for higher frequencies, needs to be switched to the 'safe
secondary mux' as the parent for that small window. This
is done by registering a clk notifier for the muxes and
switching to the safe parent in the PRE_RATE_CHANGE notifier
and back to the original parent in the POST_RATE_CHANGE notifier.
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
Tested-by: Craig Tatlor <ctatlor97@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The Krait CPU clocks are made up of a primary mux and secondary
mux for each CPU and the L2, controlled via cp15 accessors. For
Kraits within KPSSv1 each secondary mux accepts a different aux
source, but on KPSSv2 each secondary mux accepts the same aux
source.
Cc: <devicetree@vger.kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
Tested-by: Craig Tatlor <ctatlor97@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The ACC and GCC regions present in KPSSv1 contain registers to
control clocks and power to each Krait CPU and L2. For CPUfreq
purposes probe these devices and expose a mux clock that chooses
between PXO and PLL8.
Cc: <devicetree@vger.kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
Tested-by: Craig Tatlor <ctatlor97@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The Krait clocks are made up of a series of muxes and a divider
that choose between a fixed rate clock and dedicated HFPLLs for
each CPU. Instead of using mmio accesses to remux parents, the
Krait implementation exposes the remux control via cp15
registers. Support these clocks.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
Tested-by: Craig Tatlor <ctatlor97@gmail.com>
[sboyd@kernel.org: Move hidden config to top outside of the visible qcom
config zone so that menuconfig looks nice]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Describe the HFPLLs present on IPQ806X devices.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
Tested-by: Craig Tatlor <ctatlor97@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Describe the HFPLLs present on MSM8960 and APQ8064 devices.
Acked-by: Rob Herring <robh@kernel.org> (bindings)
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
Tested-by: Craig Tatlor <ctatlor97@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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On some devices (MSM8974 for example), the HFPLLs are
instantiated within the Krait processor subsystem as separate
register regions. Add a driver for these PLLs so that we can
provide HFPLL clocks for use by the system.
Cc: <devicetree@vger.kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
Tested-by: Craig Tatlor <ctatlor97@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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HFPLLs are the main frequency source for Krait CPU clocks. Add
support for changing the rate of these PLLs.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
Tested-by: Craig Tatlor <ctatlor97@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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i.MX6Q has MMDC0 ipg clock in CCM CCGR, add it into
clock tree for clock management.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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i.MX6SL has MMDC0 and MMDC1 ipg clock in CCM CCGR, add them into
clock tree for clock management.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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i.MX6SLL has MMDC1 ipg clock in CCM CCGR, add it into
clock tree for clock management.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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i.MX6SX has MMDC1 ipg clock in CCM CCGR, add it into
clock tree for clock management.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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i.MX6UL has MMDC1 ipg clock in CCM CCGR, add it into
clock tree for clock management.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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and 'clk-at91-pmc-rework' into clk-next
- Reset Controller (RMU) support for Actions Semi Owl S900 and S700 SoCs
- Rework at91 PMC clock driver for new DT bindings
* clk-actions-reset:
clk: actions: Add Actions Semi S900 SoC Reset Management Unit support
clk: actions: Add Actions Semi S700 SoC Reset Management Unit support
clk: actions: Add Actions Semi Owl SoCs Reset Management Unit support
dt-bindings: reset: Add binding constants for Actions Semi S900 RMU
dt-bindings: reset: Add binding constants for Actions Semi S700 RMU
dt-bindings: clock: Add reset controller bindings for Actions Semi Owl SoCs
clk: actions: Cache regmap info in private clock descriptor
* clk-imx7-init-critical:
clk: imx7d: remove CLK_IS_CRITICAL flag for arm_a7_root_clk
clk: imx: cpu clock should be always critical
clk: imx: imx7d: remove clks_init_on array
clk: imx: imx7d: remove unnecessary clocks from clks_init_on array
* clk-mmp2-ids:
clk: mmp2: fix the clock id for sdh2_clk and sdh3_clk
* clk-at91-pmc-rework:
clk: at91: move DT compatibility code to its own file
clk: at91: add at91sam9rl PMC driver
clk: at91: add at91sam9x5 PMCs driver
clk: at91: add at91sam9260 PMC driver
clk: at91: add sama5d2 PMC driver
clk: at91: add sama5d4 pmc driver
clk: at91: add new DT lookup function
dt-bindings: clk: at91: Document new PMC binding
clk: at91: add pmc_data struct and helpers
clk: at91: allow clock registration from C code
clk: at91: generated: set audio_pll_allowed in at91_clk_register_generated()
clk: at91: audio-pll: separate registration from DT parsing
clk: at91: h32mx: separate registration from DT parsing
clk: at91: generated: SSCs don't have a gclk
clk: at91: audio-pll: fix audio pmc type
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Move all the DT backward compatibility code to its own file so it can be
deleted later.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add a driver for the PMC clocks of the at91sam9rl SoC.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
[sboyd@kernel.org: Make i signed to fix signedness bug]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add a driver for the PMC clocks of the at91sam9x5 SoCs
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
[sboyd@kernel.org: Make i signed to fix signedness bug]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add a driver for the PMC clocks of the at91sam9260, at91sam9261,
at91am9263 and at91sam9g20 SoCs.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
[sboyd@kernel.org: Make i signed to fix signedness bug]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add a driver for the PMC clocks of the sama5d2
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
[sboyd@kernel.org: Make i signed to fix signedness bug]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add a driver for the PMC clocks of the sama5d4
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
[sboyd@kernel.org: Make i signed to fix signedness bug]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add a new DT lookup function to lookup for PMC clocks.
Note that the #ifndef AT91_PMC_MOSCS section will be removed once all the
platforms are converted.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add a new strut to handle references to all the PMC clocks and implement
allocation/free helpers.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Remove static keyword to allow functions to be used from other units. Also
move some struct and function declarations to pmc.h
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
[sboyd@kernel.org: Include pmc.h]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Set gck->audio_pll_allowed in at91_clk_register_generated. This makes it
easier to do it from code that is not parsing device tree.
Also, this fixes an issue where the resulting clk_hw can be dereferenced
before being tested for error.
Fixes: 1a1a36d72e3d ("clk: at91: clk-generated: make gclk determine audio_pll rate")
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Separate registration out of of_sama5d2_clk_audio_pll*_setup to allow other
code to use it.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
[sboyd@kernel.org: Include pmc.h]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Separate registration out of of_sama5d4_clk_h32mx_setup to allow other code
to use it.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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As the SSCs don't have gclk, don't check for their ID to allow them to set
the audio pll rate.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The allocation for the audio pmc is using the size of struct clk_audio_pad
instead of struct clk_audio_pmc. This works fine because the former is
larger than the latter but it is safer to be correct.
Fixes: ("0865805d82d4 clk: at91: add audio pll clock drivers")
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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A typo that makes it impossible to get the correct clocks for
MMP2_CLK_SDH2 and MMP2_CLK_SDH3.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Fixes: 1ec770d92a62 ("clk: mmp: add mmp2 DT support for clock driver")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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i.MX7D uses virtual cpu clock of "arm" clock to be child clock
of "arm_a7_root_clk" and it is with CLK_IS_CRITICAL flag set, so
no need to add CLK_IS_CRITICAL flag for keeping "arm_a7_root_clk"
use count correct, latest clock tree is as below in clk_summary:
pll_arm_main 1 1 0 792000000 0
pll_arm_main_bypass 1 1 0 792000000 0
pll_arm_main_clk 1 1 0 792000000 0
arm_a7_src 1 1 0 792000000 0
arm_a7_cg 1 1 0 792000000 0
arm_a7_div 1 1 0 792000000 0
arm_a7_root_clk 1 1 0 792000000 0
arm 1 1 0 792000000
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add CLK_IS_CRITICAL flag for cpu clock type to
make cpu clock use count correct, as cpu clock
should be always critical.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Clock framework will enable those clocks registered
with CLK_IS_CRITICAL flag, so no need to have
clks_init_on array during clock initialization now.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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On i.MX7D, IMX7D_NAND_USDHC_BUS_ROOT_CLK is NOT necessary
for system, and IMX7D_AHB_CHANNEL_ROOT_CLK is NOT existing
at all, remove them from clks_init_on array.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add Reset Management Unit (RMU) support for Actions Semi S900 SoC.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add Reset Management Unit (RMU) support for Actions Semi S700 SoC.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add Reset Management Unit (RMU) support for Actions Semi Owl SoCs.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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