| Commit message (Collapse) | Author | Age | Files | Lines |
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The vast majority of shared RCGs were not marked as such. Fix it.
Fixes: 496d1a13d405 ("clk: qcom: Add Global Clock Controller driver for QCM2290")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230403174807.345185-1-konrad.dybcio@linaro.org
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Add support for the video clock controller for video clients to be able
to request for videocc clocks on SM8550 platform.
Co-developed-by: Taniya Das <quic_tdas@quicinc.com>
Signed-off-by: Taniya Das <quic_tdas@quicinc.com>
Signed-off-by: Jagadeesh Kona <quic_jkona@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230524145203.13153-4-quic_jkona@quicinc.com
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The lucid ole pll reuses lucid evo ops but it has an additional test
control register which is required to be programmed, add support to
program the same.
Signed-off-by: Jagadeesh Kona <quic_jkona@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230524145203.13153-2-quic_jkona@quicinc.com
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Add support for the video clock controller driver for peripheral clock
clients to be able to request for video cc clocks.
Signed-off-by: Taniya Das <quic_tdas@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230524140656.7076-3-quic_tdas@quicinc.com
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Add support for the Video Clock Controller found on the SM8350 SoC.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230413-topic-lahaina_vidcc-v4-2-86c714a66a81@linaro.org
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SDCC clocks must be rounded down to avoid overclocking the controller.
Fixes: d9db07f088af ("clk: qcom: Add ipq6018 Global Clock Controller support")
Signed-off-by: Mantas Pucka <mantas@8devices.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/1682413909-24927-1-git-send-email-mantas@8devices.com
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We should never let go of the active-only XO vote, as otherwise the
RPM may decide that there are no online users and it can be shut down,
resulting in a total, uncontrolled system collapse.
Guarantee this through adding the CLK_IS_CRITICAL flag.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Tested-by: Matti Lehtimäki <matti.lehtimaki@gmail.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230501-topic-rpmcc_xo_a-v1-3-93f18e47b607@linaro.org
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In preparation for supporting keepalive clocks which can never be shut off
(as the platform would fall apart otherwise), make the
DEFINE_CLK_SMD_RPM_BRANCH_A macro accept clock flags for the active-only
clock.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Tested-by: Matti Lehtimäki <matti.lehtimaki@gmail.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230501-topic-rpmcc_xo_a-v1-2-93f18e47b607@linaro.org
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In preparation for supporting keepalive clocks which can never be shut off
(as the platform would fall apart otherwise), make the
__DEFINE_CLK_SMD_RPM_BRANCH_PREFIX macro accept clock flags for the
active-only clock.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Tested-by: Matti Lehtimäki <matti.lehtimaki@gmail.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230501-topic-rpmcc_xo_a-v1-1-93f18e47b607@linaro.org
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For no apparent reason (as there's just one RPM per SoC), all clocks
currently store a copy of a pointer to smd_rpm. Introduce a single,
global one to save up on space in each clk definition.
bloat-o-meter reports:
Total: Before=41887, After=40843, chg -2.49%
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230501130400.107771-1-konrad.dybcio@linaro.org
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Camera titan top GDSC is a parent supply to all other camera GDSCs. Titan
top GDSC is required to be enabled before enabling any other camera GDSCs
and it should be disabled only after all other camera GDSCs are disabled.
Ensure this behavior by marking titan top GDSC as parent of all other
camera GDSCs.
Fixes: 15d09e830bbc ("clk: qcom: camcc: Add camera clock controller driver for SC7180")
Signed-off-by: Taniya Das <quic_tdas@quicinc.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230501142932.13049-1-quic_tdas@quicinc.com
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After the internal discussions, it looks like this clock is managed by
RPM itself. Linux kernel should not touch it on its own, as this causes
disagreement with RPM. Shutting down this clock causes the OCMEM<->GPU
interface to stop working, resulting in GPU hangchecks/timeouts.
Fixes: d8b212014e69 ("clk: qcom: Add support for MSM8974's multimedia clock controller (MMCC)")
Suggested-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230508153319.2371645-1-dmitry.baryshkov@linaro.org
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SDCC clocks must be rounded down to avoid overclocking the controller.
Fixes: 3d89d52970fd ("clk: qcom: add Global Clock controller (GCC) driver for IPQ5332 SoC")
Signed-off-by: Kathiravan T <quic_kathirav@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230508163145.9678-1-quic_kathirav@quicinc.com
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Make the clk_init_data struct constant.
Signed-off-by: Devi Priya <quic_devipriy@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230425084010.15581-5-quic_devipriy@quicinc.com
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Some included headers aren't actually used anywhere, while other headers
with the declaration of functions and structures aren't directly included.
Get rid of the unused ones, and add the ones that should be included
directly.
Signed-off-by: Devi Priya <quic_devipriy@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230425084010.15581-4-quic_devipriy@quicinc.com
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull Char/Misc updates from Greg KH:
"Here is the big set of char/misc and other driver subsystem updates
for 6.5-rc1.
Lots of different, tiny, stuff in here, from a range of smaller driver
subsystems, including pulls from some substems directly:
- IIO driver updates and additions
- W1 driver updates and fixes (and a new maintainer!)
- FPGA driver updates and fixes
- Counter driver updates
- Extcon driver updates
- Interconnect driver updates
- Coresight driver updates
- mfd tree tag merge needed for other updates on top of that, lots of
small driver updates as patches, including:
- static const updates for class structures
- nvmem driver updates
- pcmcia driver fix
- lots of other small driver updates and fixes
All of these have been in linux-next for a while with no reported
problems"
* tag 'char-misc-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (243 commits)
bsr: fix build problem with bsr_class static cleanup
comedi: make all 'class' structures const
char: xillybus: make xillybus_class a static const structure
xilinx_hwicap: make icap_class a static const structure
virtio_console: make port class a static const structure
ppdev: make ppdev_class a static const structure
char: misc: make misc_class a static const structure
/dev/mem: make mem_class a static const structure
char: lp: make lp_class a static const structure
dsp56k: make dsp56k_class a static const structure
bsr: make bsr_class a static const structure
oradax: make 'cl' a static const structure
hwtracing: hisi_ptt: Fix potential sleep in atomic context
hwtracing: hisi_ptt: Advertise PERF_PMU_CAP_NO_EXCLUDE for PTT PMU
hwtracing: hisi_ptt: Export available filters through sysfs
hwtracing: hisi_ptt: Add support for dynamically updating the filter list
hwtracing: hisi_ptt: Factor out filter allocation and release operation
samples: pfsm: add CC_CAN_LINK dependency
misc: fastrpc: check return value of devm_kasprintf()
coresight: dummy: Update type of mode parameter in dummy_{sink,source}_enable()
...
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Turn CBF into the interconnect provider. Scale CBF frequency (bandwidth)
according to CPU frequencies.
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Tested-by: Yassine Oudjana <y.oudjana@protonmail.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Acked-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230512001334.2983048-4-dmitry.baryshkov@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
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Pull ARM SoC updates from Arnd Bergmann:
"These are mostly minor cleanups and bugfixes that address harmless
problems.
The largest branch is a conversion of the omap platform to use GPIO
descriptors throughout the tree, for any devices that are not fully
converted to devicetree.
The Samsung Exynos platform gains back support for the Exynos4212 chip
that was previously unused and removed but is now used for the Samsung
Galaxy Tab3"
* tag 'soc-arm-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (24 commits)
ARM: omap2: Fix copy/paste bug
MAINTAINERS: Replace my email address
Input: ads7846 - fix pointer cast warning
Input: ads7846 - Fix usage of match data
ARM: omap2: Fix checkpatch issues
arm: omap1: replace printk() with pr_err macro
ARM: omap: Fix checkpatch issues
ARM: s3c: Switch i2c drivers back to use .probe()
ARM: versatile: mark mmc_status() static
ARM: spear: include "pl080.h" for pl080_get_signal() prototype
ARM: sa1100: address missing prototype warnings
ARM: pxa: fix missing-prototypes warnings
ARM: orion5x: fix d2net gpio initialization
ARM: omap2: fix missing tick_broadcast() prototype
ARM: omap1: add missing include
ARM: lpc32xx: add missing include
ARM: imx: add missing include
ARM: highbank: add missing include
ARM: ep93xx: fix missing-prototype warnings
ARM: davinci: fix davinci_cpufreq_init() declaration
...
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The PXA platform has a number of configurations that end up with
a warning like these when building with W=1:
drivers/hwmon/max1111.c:83:5: error: no previous prototype for 'max1111_read_channel' [-Werror=missing-prototypes]
arch/arm/mach-pxa/reset.c:86:6: error: no previous prototype for 'pxa_restart' [-Werror=missing-prototypes]
arch/arm/mach-pxa/mfp-pxa2xx.c:254:5: error: no previous prototype for 'keypad_set_wake' [-Werror=missing-prototypes]
drivers/clk/pxa/clk-pxa25x.c:70:14: error: no previous prototype for 'pxa25x_get_clk_frequency_khz' [-Werror=missing-prototypes]
drivers/clk/pxa/clk-pxa25x.c:325:12: error: no previous prototype for 'pxa25x_clocks_init' [-Werror=missing-prototypes]
drivers/clk/pxa/clk-pxa27x.c:74:14: error: no previous prototype for 'pxa27x_get_clk_frequency_khz' [-Werror=missing-prototypes]
drivers/clk/pxa/clk-pxa27x.c:102:6: error: no previous prototype for 'pxa27x_is_ppll_disabled' [-Werror=missing-prototypes]
drivers/clk/pxa/clk-pxa27x.c:470:12: error: no previous prototype for 'pxa27x_clocks_init' [-Werror=missing-prototypes]
arch/arm/mach-pxa/pxa27x.c:44:6: error: no previous prototype for 'pxa27x_clear_otgph' [-Werror=missing-prototypes]
arch/arm/mach-pxa/pxa27x.c:58:6: error: no previous prototype for 'pxa27x_configure_ac97reset' [-Werror=missing-prototypes]
arch/arm/mach-pxa/spitz_pm.c:170:15: error: no previous prototype for 'spitzpm_read_devdata' [-Werror=missing-prototypes]
The problem is that there is a declaration for each of these, but
it's only seen by the caller and not the callee. Moving these
into appropriate header files ensures that both use the same
calling conventions and it avoids the warnings.
Acked-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20230516153109.514251-11-arnd@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull new ARM SoC support from Arnd Bergmann:
"There are two new SoC families this time, and both appear fairly
similar: The Nuvoton MA35D1 and the STMicroelectronics STM32MP2 are
both dual-core Cortex-A35 based chips for the low-power industrial
embedded market, and they mark the first 64-bit product in a widely
used family of 32-bit Arm MCUs and SoCs.
The way into the kernel is completely different here: The team at ST
has a long history of working upstream with their STM32MP1 and other
SoCs, and they produced a complete port to arm64 together with the
initial announcement. Nuvoton also has multiple SoC product lines with
current or previous upstream support, but those are maintained by
third parties and are unrelated. The patch series from Nuvoton's Jacky
Huang had to go through many revisisions to get to this point and is
still missing a few drivers including the serial port for the moment.
The branch contains the devicetree files as well as all the code
changes, in order to have something that can be tested standalone"
* tag 'soc-newsoc-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (25 commits)
clk: nuvoton: Use clk_parent_data instead of string for parent clock
clk: nuvoton: Update all constant hex values to lowercase
clk: nuvoton: Add clk-ma35d1.h for driver extern functions
remoteproc: stm32: use correct format strings on 64-bit
MAINTAINERS: add entry for ARM/STM32 ARCHITECTURE
arm64: defconfig: enable ARCH_STM32 and STM32 serial driver
arm64: dts: st: add stm32mp257f-ev1 board support
dt-bindings: stm32: document stm32mp257f-ev1 board
arm64: dts: st: introduce stm32mp25 pinctrl files
arm64: dts: st: introduce stm32mp25 SoCs family
arm64: introduce STM32 family on Armv8 architecture
dt-bindings: stm32: add st,stm32mp25-syscfg compatible for syscon
pinctrl: stm32: add stm32mp257 pinctrl support
dt-bindings: pinctrl: stm32: support for stm32mp257 and additional packages
Documentation/process: add soc maintainer handbook
reset: RESET_NUVOTON_MA35D1 should depend on ARCH_MA35
reset: Add Nuvoton ma35d1 reset driver support
clk: nuvoton: Add clock driver for ma35d1 clock controller
arm64: dts: nuvoton: Add initial ma35d1 device tree
dt-bindings: serial: Document ma35d1 uart controller
...
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For the declaration of parent clocks, use struct clk_parent_data instead
of a string. Due to the change in the passed arguments, replace the usage
of devm_clk_hw_register_mux() with clk_hw_register_mux_parent_data() for
all cases.
Signed-off-by: Jacky Huang <ychuang3@nuvoton.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The constant hex values used to define register offsets were written
in uppercase. This patch update all these constant hex values to
be lowercase.
Signed-off-by: Jacky Huang <ychuang3@nuvoton.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Moved the declaration of extern functions ma35d1_reg_clk_pll() and
ma35d1_reg_adc_clkdiv() from the .c files to the newly created header
file clk-ma35d1.h.
Signed-off-by: Jacky Huang <ychuang3@nuvoton.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The clock controller generates clocks for the whole chip, including
system clocks and all peripheral clocks. This driver support ma35d1
clock gating, divider, and individual PLL configuration.
There are 6 PLLs in ma35d1 SoC:
- CA-PLL for the two Cortex-A35 CPU clock
- SYS-PLL for system bus, which comes from the companion MCU
and cannot be programmed by clock controller.
- DDR-PLL for DDR
- EPLL for GMAC and GFX, Display, and VDEC IPs.
- VPLL for video output pixel clock
- APLL for SDHC, I2S audio, and other IPs.
CA-PLL has only one operation mode.
DDR-PLL, EPLL, VPLL, and APLL are advanced PLLs which have 3
operation modes: integer mode, fraction mode, and spread specturm mode.
Signed-off-by: Jacky Huang <ychuang3@nuvoton.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Pull MIPS updates from Thomas Bogendoerfer:
- add support for TP-Link HC220 G5 v1
- add support for Wifi/Bluetooth on CI20
- rework Ralink clock and reset handling
- cleanups and fixes
* tag 'mips_6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (58 commits)
MIPS: Loongson64: DTS: Add RTC support to Loongson-2K1000
MIPS: Loongson64: DTS: Add RTC support to LS7A PCH
MIPS: OCTEON: octeon-usb: cleanup divider calculation
MIPS: OCTEON: octeon-usb: introduce dwc3_octeon_{read,write}q
MIPS: OCTEON: octeon-usb: move gpio config to separate function
MIPS: OCTEON: octeon-usb: use bitfields for shim register
MIPS: OCTEON: octeon-usb: use bitfields for host config register
MIPS: OCTEON: octeon-usb: use bitfields for control register
MIPS: OCTEON: octeon-usb: add all register offsets
mips: ralink: match all supported system controller compatible strings
MIPS: dec: prom: Address -Warray-bounds warning
MIPS: DTS: CI20: Raise VDDCORE voltage to 1.125 volts
clk: ralink: mtmips: Fix uninitialized use of ret in mtmips_register_{fixed,factor}_clocks()
mips: ralink: introduce commonly used remap node function
mips: pci-mt7620: use dev_info() to log PCIe device detection result
mips: pci-mt7620: do not print NFTS register value as error log
MAINTAINERS: add Mediatek MTMIPS Clock maintainer
mips: ralink: get cpu rate from new driver code
mips: ralink: remove reset related code
mips: ralink: mt7620: remove clock related code
...
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mtmips_register_{fixed,factor}_clocks()
Clang warns:
drivers/clk/ralink/clk-mtmips.c:309:9: error: variable 'ret' is uninitialized when used here [-Werror,-Wuninitialized]
309 | return ret;
| ^~~
drivers/clk/ralink/clk-mtmips.c:285:9: note: initialize the variable 'ret' to silence this warning
285 | int ret, i;
| ^
| = 0
drivers/clk/ralink/clk-mtmips.c:359:9: error: variable 'ret' is uninitialized when used here [-Werror,-Wuninitialized]
359 | return ret;
| ^~~
drivers/clk/ralink/clk-mtmips.c:335:9: note: initialize the variable 'ret' to silence this warning
335 | int ret, i;
| ^
| = 0
2 errors generated.
Set ret to the return value of clk_hw_register_fixed_rate() using the
PTR_ERR() macro, which ensures ret is not used uninitialized, clearing
up the warning.
Fixes: 6f3b15586eef ("clk: ralink: add clock and reset driver for MTMIPS SoCs")
Closes: https://github.com/ClangBuiltLinux/linux/issues/1879
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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Until now, clock related code for old ralink SoCs was based in fixed clocks
using 'clk_register_fixed_rate' and 'clkdev_create' directly doing in code
and not using device tree at all for their definition. Including this driver
is an effort to be able to define proper clocks using device tree and also
cleaning all the clock and reset related code from 'arch/mips/ralink' dir.
This clock and reset driver covers all the ralink SoCs but MT7621 which is
the newest and provides gating and some differences that make it different
from its predecesors. It has its own driver since some time ago. The ralink
SoCs we are taking about are RT2880, RT3050, RT3052, RT3350, RT3352, RT3883,
RT5350, MT7620, MT7628 and MT7688. Mostly the code in this new driver has
been extracted from 'arch/mips/ralink' and cleanly put using kernel clock
driver APIs. The clock plans for this SoCs only talks about relation between
CPU frequency and BUS frequency. This relation is different depending on the
particular SoC. CPU clock is derived from XTAL frequencies.
Depending on the SoC we have the following frequencies:
* RT2880 SoC:
- XTAL: 40 MHz.
- CPU: 250, 266, 280 or 300 MHz.
- BUS: CPU / 2 MHz.
* RT3050, RT3052, RT3350:
- XTAL: 40 MHz.
- CPU: 320 or 384 MHz.
- BUS: CPU / 3 MHz.
* RT3352:
- XTAL: 40 MHz.
- CPU: 384 or 400 MHz.
- BUS: CPU / 3 MHz.
- PERIPH: 40 MHz.
* RT3383:
- XTAL: 40 MHz.
- CPU: 250, 384, 480 or 500 MHz.
- BUS: Depends on RAM Type and CPU:
+ RAM DDR2: 125. ELSE 83 MHz.
+ RAM DDR2: 128. ELSE 96 MHz.
+ RAM DDR2: 160. ELSE 120 MHz.
+ RAM DDR2: 166. ELSE 125 MHz.
* RT5350:
- XTAL: 40 MHz.
- CPU: 300, 320 or 360 MHz.
- BUS: CPU / 3, CPU / 4, CPU / 3 MHz.
- PERIPH: 40 MHz.
* MT7628 and MT7688:
- XTAL: 20 MHz or 40 MHz.
- CPU: 575 or 580 MHz.
- BUS: CPU / 3.
- PCMI2S: 480 MHz.
- PERIPH: 40 MHz.
* MT7620:
- XTAL: 20 MHz or 40 MHz.
- PLL: XTAL, 480, 600 MHz.
- CPU: depends on PLL and some mult and dividers.
- BUS: depends on PLL and some mult and dividers.
- PERIPH: 40 or XTAL MHz.
MT7620 is a bit more complex deriving CPU clock from a PLL and an bunch of
register reads and predividers. To derive CPU and BUS frequencies in the
MT7620 SoC 'mt7620_calc_rate()' helper is used.
In the case XTAL can have different frequencies and we need a different
clock frequency for peripherals 'periph' clock in introduced.
The rest of the peripherals present in the SoC just follow their parent
frequencies.
With this information the clk driver will provide all the clock and reset
functionality from a set of hardcoded clocks allowing to define a nice
device tree without fixed clocks.
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"This batch of clk driver updates contains almost no new SoC support.
Instead there's a treewide patch series from Maxime that makes
clk_ops::determine_rate mandatory for muxes.
Beyond that core framework change we have the usual pile of clk driver
updates such as migrating i2c drivers to use .probe() again or
YAMLfication of clk DT bindings so we can validate DTBs.
Overall the SoCs that got the most updates this time around in terms
of diffstat are the Amlogic and Mediatek drivers because they added
new SoC support or fixed up various drivers to have proper data.
In general things look kinda quiet. I suspect the core framework
change may still shake out some problems after the merge window,
mostly because not everyone tests linux-next where that series has
been for some number of weeks. I saw that there's at least one pending
fix for Tegra that needs to be wrapped up into a proper patch. I'll
try to catch those bits before the window closes so that -rc1 is
bootable. More details below.
Core:
- Make clk_ops::determine_rate mandatory for muxes
New Drivers:
- Add amlogic a1 SoC family PLL and peripheral clock controller support
Updates:
- Handle allocation failures from kasprintf() and friends
- Migrate platform clk drivers to .remove_new()
- Migrate i2c clk drivers to .probe() instead of .probe_new()
- Remove CLK_SET_PARENT from all Mediatek MSDC core clocks
- Add infra_ao reset support for Mediatek MT8188 SoCs
- Align driver_data to i2c_device_id tables in some i2c clk drivers
- Use device_get_match_data() in vc5 clk driver
- New Kconfig symbol name (SOC_MICROCHIP_POLARFIRE) for Microchip
FPGA clock drivers
- Use of_property_read_bool() to read "microchip,pic32mzda-sosc"
boolean DT property in clk-pic32mzda
- Convert AT91 clock dt-bindings to YAML
- Remove CLK_SET_RATE_PARENT flag from LDB clocks on i.MX6SX
- Keep i.MX UART clocks enabled during kernel boot if earlycon is set
- Drop imx_unregister_clocks() as there are no users anymore
- Switch to _safe iterator on imx_clk_scu_unregister() to avoid use
after free
- Add determine_rate op to the imx8m composite clock
- Use device managed API for iomap and kzalloc for i.MXRT1050,
i.MX8MN, i.MX8MP and i.MX93 clock controller drivers
- Add missing interrupt DT property for the i.MX8M clock controller
- Re-add support for Exynos4212 clock controller because we are
re-introducing the SoC in the mainline
- Add CONFIG_OF dependency to Samsung clk Kconfig symbols to solve
some objtool warnings
- Preselect PLL MIPI as TCON0 parent for Allwinner A64 SoC
- Convert the Renesas clock drivers to readl_poll_timeout_atomic()
- Add PWM clock on Renesas R-Car V3U
- Fix PLL5 on Renesas RZ/G2L and RZ/V2L"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (149 commits)
clk: fix typo in clk_hw_register_fixed_rate_parent_data() macro
clk: Fix memory leak in devm_clk_notifier_register()
clk: mvebu: Iterate over possible CPUs instead of DT CPU nodes
clk: mvebu: Use of_get_cpu_hwid() to read CPU ID
MAINTAINERS: Add Marvell mvebu clock drivers
clk: clocking-wizard: check return value of devm_kasprintf()
clk: ti: clkctrl: check return value of kasprintf()
clk: keystone: sci-clk: check return value of kasprintf()
clk: si5341: free unused memory on probe failure
clk: si5341: check return value of {devm_}kasprintf()
clk: si5341: return error if one synth clock registration fails
clk: cdce925: check return value of kasprintf()
clk: vc5: check memory returned by kasprintf()
clk: mediatek: clk-mt8173-apmixedsys: Fix iomap not released issue
clk: mediatek: clk-mt8173-apmixedsys: Fix return value for of_iomap() error
clk: mediatek: clk-mtk: Grab iomem pointer for divider clocks
clk: keystone: syscon-clk: Add support for audio refclk
dt-bindings: clock: Add binding documentation for TI Audio REFCLK
dt-bindings: clock: ehrpwm: Remove unneeded syscon compatible
clk: keystone: syscon-clk: Allow the clock node to not be of type syscon
...
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'clk-ti' and 'clk-kasprintf' into clk-next
- Handle allocation failures from kasprintf() and friends
* clk-imx:
clk: imx: clk-imx8mp: improve error handling in imx8mp_clocks_probe()
clk: imx93: fix memory leak and missing unwind goto in imx93_clocks_probe
clk: imx: clk-imx8mn: fix memory leak in imx8mn_clocks_probe
dt-bindings: clock: imx8m: Add missing interrupt property
clk: imx: clk-imxrt1050: fix memory leak in imxrt1050_clocks_probe
clk: imx: composite-8m: Add imx8m_divider_determine_rate
clk: imx: scu: use _safe list iterator to avoid a use after free
clk: imx: drop imx_unregister_clocks
clk: imx6ul: retain early UART clocks during kernel init
clk: imx: imx6sx: Remove CLK_SET_RATE_PARENT from the LDB clocks
* clk-microchip:
dt-bindings: clocks: at91sam9x5-sckc: convert to yaml
dt-bindings: clocks: atmel,at91rm9200-pmc: convert to yaml
clk: microchip: Use of_property_read_bool() for boolean properties
clk: microchip: convert SOC_MICROCHIP_POLARFIRE to ARCH_MICROCHIP_POLARFIRE
* clk-cleanup:
clk: fix typo in clk_hw_register_fixed_rate_parent_data() macro
clk: Fix memory leak in devm_clk_notifier_register()
clk: mvebu: Iterate over possible CPUs instead of DT CPU nodes
clk: mvebu: Use of_get_cpu_hwid() to read CPU ID
MAINTAINERS: Add Marvell mvebu clock drivers
clk: mvebu: Use of_address_to_resource()
clk: tegra: tegra124-emc: Fix potential memory leak
clk: clocking-wizard: Fix Oops in clk_wzrd_register_divider()
clk: bcm: rpi: Fix off by one in raspberrypi_discover_clocks()
clk: sifive: Use devm_platform_ioremap_resource()
* clk-bindings:
dt-bindings: clock: drop unneeded quotes and use absolute /schemas path
dt-bindings: rcc: stm32: Sync with u-boot copy for STM32MP13 SoC
* clk-ti:
clk: keystone: syscon-clk: Add support for audio refclk
dt-bindings: clock: Add binding documentation for TI Audio REFCLK
dt-bindings: clock: ehrpwm: Remove unneeded syscon compatible
clk: keystone: syscon-clk: Allow the clock node to not be of type syscon
* clk-kasprintf:
clk: clocking-wizard: check return value of devm_kasprintf()
clk: ti: clkctrl: check return value of kasprintf()
clk: keystone: sci-clk: check return value of kasprintf()
clk: si5341: free unused memory on probe failure
clk: si5341: check return value of {devm_}kasprintf()
clk: si5341: return error if one synth clock registration fails
clk: cdce925: check return value of kasprintf()
clk: vc5: check memory returned by kasprintf()
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devm_kasprintf() returns a pointer to dynamically allocated memory.
Pointer could be NULL in case allocation fails. Check pointer validity.
Identified with coccinelle (kmerr.cocci script).
Fixes: 2046338dcbc6 ("ARM: mxs: Use soc bus infrastructure")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20230530093913.1656095-9-claudiu.beznea@microchip.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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kasprintf() returns a pointer to dynamically allocated memory.
Pointer could be NULL in case allocation fails. Check pointer validity.
Identified with coccinelle (kmerr.cocci script).
Fixes: 852049594b9a ("clk: ti: clkctrl: convert subclocks to use proper names also")
Fixes: 6c3090520554 ("clk: ti: clkctrl: Fix hidden dependency to node name")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20230530093913.1656095-8-claudiu.beznea@microchip.com
Reviewed-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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kasprintf() returns a pointer to dynamically allocated memory.
Pointer could be NULL in case allocation fails. Check pointer validity.
Identified with coccinelle (kmerr.cocci script).
Fixes: b745c0794e2f ("clk: keystone: Add sci-clk driver support")
Depends-on: 96488c09b0f4 ("clk: keystone: sci-clk: cut down the clock name length")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20230530093913.1656095-7-claudiu.beznea@microchip.com
Reviewed-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Pointers from synth_clock_names[] should be freed at the end of probe
either on probe success or failure path.
Fixes: b7bbf6ec4940 ("clk: si5341: Allow different output VDD_SEL values")
Fixes: 9b13ff4340df ("clk: si5341: Add sysfs properties to allow checking/resetting device faults")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20230530093913.1656095-6-claudiu.beznea@microchip.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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{devm_}kasprintf() returns a pointer to dynamically allocated memory.
Pointer could be NULL in case allocation fails. Check pointer validity.
Identified with coccinelle (kmerr.cocci script).
Fixes: 3044a860fd09 ("clk: Add Si5341/Si5340 driver")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20230530093913.1656095-5-claudiu.beznea@microchip.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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In case devm_clk_hw_register() fails for one of synth clocks the probe
continues. Later on, when registering output clocks which have as parents
all the synth clocks, in case there is registration failure for at least
one synth clock the information passed to clk core for registering output
clock is not right: init.num_parents is fixed but init.parents may contain
an array with less parents.
Fixes: 3044a860fd09 ("clk: Add Si5341/Si5340 driver")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20230530093913.1656095-4-claudiu.beznea@microchip.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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kasprintf() returns a pointer to dynamically allocated memory.
Pointer could be NULL in case allocation fails. Check pointer validity.
Identified with coccinelle (kmerr.cocci script).
Fixes: 19fbbbbcd3a3 ("Add TI CDCE925 I2C controlled clock synthesizer driver")
Depends-on: e665f029a283 ("clk: Convert to using %pOFn instead of device_node.name")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20230530093913.1656095-3-claudiu.beznea@microchip.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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kasprintf() returns a pointer to dynamically allocated memory.
Pointer could be NULL in case allocation fails. Check pointer validity.
Identified with coccinelle (kmerr.cocci script).
Fixes: f491276a5168 ("clk: vc5: Allow Versaclock driver to support multiple instances")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20230530093913.1656095-2-claudiu.beznea@microchip.com
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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TI's AM62 SoC can optionally provide two audio reference clocks
(AUDIO_REFCLKx) to external peripherals.
By default this reference clock is looped-back inside the SoC to a mux
that goes to McASP AHCLK, but can optionally be enabled as an output to
peripherals outside the SoC by setting a bit through CTRL_MMR registers.
This bit only controls the direction of the clock, while the parent
is a muxed input from sci-clk [1] which may be a configurable PLL or a
master clock from one of the McASP instances.
Link: http://downloads.ti.com/tisci/esd/latest/5_soc_doc/am62x/clocks.html#clocks-for-board0-device [1]
Signed-off-by: Jai Luthra <j-luthra@ti.com>
Link: https://lore.kernel.org/r/20230515-refclk-v3-2-37c0b550f406@ti.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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There is a helper device_node_to_regmap() we can use that does not force
this clock DT node to be a "syscon" node. It should work the same in
this case but allow us to remove the unneeded "syscon" compatible.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20230516184626.154892-1-afd@ti.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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devm_clk_notifier_register() allocates a devres resource for clk
notifier but didn't register that to the device, so the notifier didn't
get unregistered on device detach and the allocated resource was leaked.
Fix the issue by registering the resource through devres_add().
This issue was found with kmemleak on a Chromebook.
Fixes: 6d30d50d037d ("clk: add devm variant of clk_notifier_register")
Signed-off-by: Fei Shao <fshao@chromium.org>
Link: https://lore.kernel.org/r/20230619112253.v2.1.I13f060c10549ef181603e921291bdea95f83033c@changeid
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Rework iterating over DT CPU nodes to iterate over possible CPUs
instead. There's no need to walk the DT CPU nodes again. Possible CPUs
is equal to the number of CPUs defined in the DT. Using the "reg" value
for an array index is fragile as it assumes "reg" is 0-N which often is
not the case.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230327-mvebu-clk-fixes-v2-3-8333729ee45d@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Use of_get_cpu_hwid() rather than the open coded reading of the CPU
nodes "reg" property. The existing code is in fact wrong as the "reg"
address cells size is 2 cells for arm64. The existing code happens to
work because the DTS files are wrong as well.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230327-mvebu-clk-fixes-v2-2-8333729ee45d@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Replace of_get_property() and of_translate_address() calls with a single
call to of_address_to_resource().
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230406010738.1269781-1-robh@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The tegra and tegra needs to be freed in the error handling path, otherwise
it will be leaked.
Fixes: 2db04f16b589 ("clk: tegra: Add EMC clock driver")
Signed-off-by: Yuan Can <yuancan@huawei.com>
Link: https://lore.kernel.org/r/20221209094124.71043-1-yuancan@huawei.com
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Smatch detected this potential error pointer dereference
clk_wzrd_register_divider(). If devm_clk_hw_register() fails then
it sets "hw" to an error pointer and then dereferences it on the
next line. Return the error directly instead.
Fixes: 5a853722eb32 ("staging: clocking-wizard: Add support for dynamic reconfiguration")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/f0e39b5c-4554-41e0-80d9-54ca3fabd060@kili.mountain
Reviewed-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Smatch detected an off by one in this code:
drivers/clk/bcm/clk-raspberrypi.c:374 raspberrypi_discover_clocks()
error: buffer overflow 'data->hws' 16 <= 16
The data->hws[] array has RPI_FIRMWARE_NUM_CLK_ID elements so the >
comparison needs to changed to >=.
Fixes: 12c90f3f27bb ("clk: bcm: rpi: Add variant structure")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/5a850b08-d2f5-4794-aceb-a6b468965139@kili.mountain
Reviewed-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Convert platform_get_resource(),devm_ioremap_resource() to a single
call to devm_platform_ioremap_resource(), as this is exactly what this
function does.
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230428070005.41192-1-yang.lee@linux.alibaba.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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It is preferred to use typed property access functions (i.e.
of_property_read_<type> functions) rather than low-level
of_get_property/of_find_property functions for reading properties.
Convert reading boolean properties to to of_property_read_bool().
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20230310144701.1541573-1-robh@kernel.org
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As part of converting RISC-V SOC_FOO symbols to ARCH_FOO to match the
use of such symbols on other architectures, convert the Microchip FPGA
clock drivers to use the new symbol.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20230309204452.969574-2-conor@kernel.org
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Replace of_iomap() and kzalloc() with devm_of_iomap() and devm_kzalloc()
which can automatically release the related memory when the device
or driver is removed or unloaded to avoid potential memory leak.
In this case, iounmap(anatop_base) in line 427,433 are removed
as manual release is not required.
Besides, referring to clk-imx8mq.c, check the return code of
of_clk_add_hw_provider, if it returns negtive, print error info
and unregister hws, which makes the program more robust.
Fixes: 9c140d992676 ("clk: imx: Add support for i.MX8MP clock driver")
Signed-off-by: Yuxing Liu <lyx2022@hust.edu.cn>
Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20230503070607.2462-1-lyx2022@hust.edu.cn
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
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