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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Few ti-sysc related fixes for v5.5 merge window
Just few minor changes that can be merged when suitable, but would
be good to have these in v5.5-rc1 to remove dependencies between branches
for more changes later on in v5.6:
- Add quirk handling for AESS (Audio Engine Sub System)
- We want to drop the useless gptimer option for omap4 as there are local
timers
- A minor error path handling improvment for sysc_child_add_named_clock()
that will make further patching a bit easier
* tag 'omap-for-v5.5/ti-sysc-late-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
bus: ti-sysc: Adjust exception handling in sysc_child_add_named_clock()
ARM: OMAP2+: Drop useless gptimer option for omap4
bus: ti-sysc: Add module enable quirk for audio AESS
Link: https://lore.kernel.org/r/pull-1574273726-31367@atomide.com
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Olof Johansson:
"Various driver updates for platforms:
- A larger set of work on Tegra 2/3 around memory controller and
regulator features, some fuse cleanups, etc..
- MMP platform drivers, in particular for USB PHY, and other smaller
additions.
- Samsung Exynos 5422 driver for DMC (dynamic memory configuration),
and ASV (adaptive voltage), allowing the platform to run at more
optimal operating points.
- Misc refactorings and support for RZ/G2N and R8A774B1 from Renesas
- Clock/reset control driver for TI/OMAP
- Meson-A1 reset controller support
- Qualcomm sdm845 and sda845 SoC IDs for socinfo"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (150 commits)
firmware: arm_scmi: Fix doorbell ring logic for !CONFIG_64BIT
soc: fsl: add RCPM driver
dt-bindings: fsl: rcpm: Add 'little-endian' and update Chassis definition
memory: tegra: Consolidate registers definition into common header
memory: tegra: Ensure timing control debug features are disabled
memory: tegra: Introduce Tegra30 EMC driver
memory: tegra: Do not handle error from wait_for_completion_timeout()
memory: tegra: Increase handshake timeout on Tegra20
memory: tegra: Print a brief info message about EMC timings
memory: tegra: Pre-configure debug register on Tegra20
memory: tegra: Include io.h instead of iopoll.h
memory: tegra: Adapt for Tegra20 clock driver changes
memory: tegra: Don't set EMC rate to maximum on probe for Tegra20
memory: tegra: Add gr2d and gr3d to DRM IOMMU group
memory: tegra: Set DMA mask based on supported address bits
soc: at91: Add Atmel SFR SN (Serial Number) support
memory: atmel-ebi: switch to SPDX license identifiers
memory: atmel-ebi: move NUM_CS definition inside EBI driver
soc: mediatek: Refactor bus protection control
soc: mediatek: Refactor sram control
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging / iio updates from Greg KH:
"Here is the big staging and iio set of patches for the 5.5-rc1
release.
It's the usual huge collection of cleanup patches all over the
drivers/staging/ area, along with a new staging driver, and a bunch of
new IIO drivers as well.
Full details are in the shortlog, but all of these have been in
linux-next for a long time with no reported issues"
* tag 'staging-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (548 commits)
staging: vchiq: Have vchiq_dump_* functions return an error code
staging: vchiq: Refactor indentation in vchiq_dump_* functions
staging: fwserial: Fix Kconfig indentation (seven spaces)
staging: vchiq_dump: Replace min with min_t
staging: vchiq: Fix block comment format in vchiq_dump()
staging: octeon: indent with tabs instead of spaces
staging: comedi: usbduxfast: usbduxfast_ai_cmdtest rounding error
staging: most: core: remove sysfs attr remove_link
staging: vc04: Fix Kconfig indentation
staging: pi433: Fix Kconfig indentation
staging: nvec: Fix Kconfig indentation
staging: most: Fix Kconfig indentation
staging: fwserial: Fix Kconfig indentation
staging: fbtft: Fix Kconfig indentation
fbtft: Drop OF dependency
fbtft: Make use of device property API
fbtft: Drop useless #ifdef CONFIG_OF and dead code
fbtft: Describe function parameters in kernel-doc
fbtft: Make sure string is NULL terminated
staging: rtl8723bs: remove set but not used variable 'change', 'pos'
...
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Add a jump target so that a call of the function “clk_put”
can be better reused at the end of this function.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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We must set the autogating bit on enable for AESS (Audio Engine SubSystem)
when probed with ti-sysc interconnect target module driver. Otherwise it
won't idle properly.
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Tested-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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into arm/drivers
ARM64: hisi: SoC driver updates for 5.5
- check the LOGIC_PIO_INDIRECT region ops at registration instead of
in the IO port accessors to optimise the lib/ligic_pio.c
- add the hisi LPC driver to the build test for the other architectures
except ALPHA, C6X, HEXAGON and PARISC as they do not define {read,write}sb
by updating the hisi LPC Kconfig and adding a dummy PIO_INDIRECT_SIZE
- clean the sparse complains of the hisi LPC driver
- build logic_pio into a lib to avoid including in the vmlinux when not
referenced
* tag 'hisi-drivers-for-5.5' of git://github.com/hisilicon/linux-hisi:
logic_pio: Build into a library
bus: hisi_lpc: Expand build test coverage
bus: hisi_lpc: Clean some types
logic_pio: Define PIO_INDIRECT_SIZE for !CONFIG_INDIRECT_PIO
lib: logic_pio: Enforce LOGIC_PIO_INDIRECT region ops are set at registration
Link: https://lore.kernel.org/r/5DC959B9.80301@hisilicon.com
Signed-off-by: Olof Johansson <olof@lixom.net>
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Currently the driver will only ever be built for ARM64 because it selects
CONFIG_INDIRECT_PIO, which itself depends on ARM64.
Expand build test coverage for the driver to other architectures by only
selecting CONFIG_INDIRECT_PIO for ARM64, when we really want it.
We don't include ALPHA, C6X, HEXAGON, and PARISC architectures as they
don't define {read, write}sb.
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
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Sparse complains of these:
drivers/bus/hisi_lpc.c:82:38: warning: incorrect type in argument 1 (different address spaces)
drivers/bus/hisi_lpc.c:82:38: expected void const volatile [noderef] <asn:2>*addr
drivers/bus/hisi_lpc.c:82:38: got unsigned char *
drivers/bus/hisi_lpc.c:131:35: warning: incorrect type in argument 1 (different address spaces)
drivers/bus/hisi_lpc.c:131:35: expected unsigned char *mbase
drivers/bus/hisi_lpc.c:131:35: got void [noderef] <asn:2>*membase
drivers/bus/hisi_lpc.c:186:35: warning: incorrect type in argument 1 (different address spaces)
drivers/bus/hisi_lpc.c:186:35: expected unsigned char *mbase
drivers/bus/hisi_lpc.c:186:35: got void [noderef] <asn:2>*membase
drivers/bus/hisi_lpc.c:228:16: warning: cast to restricted __le32
drivers/bus/hisi_lpc.c:251:13: warning: incorrect type in assignment (different base types)
drivers/bus/hisi_lpc.c:251:13: expected unsigned int [unsigned] [usertype] val
drivers/bus/hisi_lpc.c:251:13: got restricted __le32 [usertype] <noident>
Clean them up.
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
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The only slightly tricky merge conflict was the netdevsim because the
mutex locking fix overlapped a lot of driver reload reorganization.
The rest were (relatively) trivial in nature.
Signed-off-by: David S. Miller <davem@davemloft.net>
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https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Second set of IIO + counter new device support, features etc for the 5.5 cycle.
Note two merge commits in here, both for immutable branches based
of 5.4-rc1.
1. Ti eqep driver because of some file moves in precursor patches.
I suspect no one else will pull this one.
2. ab8500 refactor as changes in power supply, hwmon and mfd trees.
This may come via numerous trees as well as IIO.
Counter subsystem related
* ti eqep
- New device support with bindings.
- Includes prior file move to reflect more general use of ti-pwmss.
* Counter core
- simplify count_read and count_write callbacks + document change.
- fix a typo in docs.
Various subsystems related
* AB8500
- ab8500_btemp driver converted to be an IIO consumer driver.
- ab8500_charger driver converted to be an IIO consumer driver.
- ab8500_fg fuel gauge driver converted to be an IIO consumer driver.
- ab8500 hwmon driver converted to be an IIO consumer driver.
- mfd bindings augmented with the adc channels to make the above work.
- drop original mfd driver.
New device support
* ab8500
- new ADC driver used by the above other subystems via the IIO consumer
interface.
* adux1020 photometric sensor
- new driver and dt bindings.
* fxos877cq
- new driver for this simple(ish) IMU with DT bindings.
* intel_mrfld_adc
- new driver for the ADC found on Intel Merrifield platforms.
* ltc2983
- new driver for this multi-sensor type temperature interface.
Includes complex DT bindings.
* max1027
- support for 12 bit devices, max1227, max1229 and max1231 + add to trivial
bindings.
* st_lsm6dsx
- support for the LSM6DS0 6 axis MEMs sensor.
Note different from the LSM6DSO which the driver already supports *sigh*
- support for the LSM6DSRX 6 axis MEMs sensor.
Features and cleanups
* ad7303
- replace use of core mlock with a local lock with cleanly defined scope.
* ad9834
- add a check for devm_clk_get failing.
* at91-sama5d2
- tidy up a 0 as NULL warning.
* bmp280
- endian type tidy ups.
- use bulk regulator ops for a small reduction in code.
- use devm_add_action... to simplify error path handling.
* exynos
- drop stray semicolon.
- use devm_platform_ioremap_resource to reduce boilerplate.
* hx711
- various tricks to improve the frequency of read out possible.
* max1027
- debugfs support.
- make interrupts optional.
- reset at probe to get clean state.
- refactors to allow addition of new device support.
* maxim thermocouple
- drop an unneeded semicolon.
* mb1232
- yaml binding conversion.
* mcp320x
- tidy up an endian types in cast warning.
* meson_saradc
- use devm_platform_ioremap_resource to reduce boilerplate.
* mpu3050
- make a poison value explicity big endian to supress a warning.
* pulsedlight v2
- endian type tidy ups.
* sgp30
- drop an excess semicolon.
* sps30
- make truncation explicit with masking to clean up a warning.
* st sensors
- drop gpio include as none of these support gpios.
* st_lsm6dsx
- tidy up some alignment issues.
- refactors to allow addition of new device support.
* allow varients of irq related reg definitions.
* avoid accessing active-low, open-drain regs if not provided.
* allow varients of bdu/boot and reset regs.
* allow for enabling or disabling wakeup sources through platform
data (seems someone still uses this).
- enable wake-up events for LSM6DS0
- use the drdy mask to avoid some invalid samples during initial start
of sensor.
- Add support to trim the timestamp.
* stm32_adc
- kernel-doc fixes.
* stm32_dac
- power management support.
* stmpe-adc
- Fix endian type of local variable.
* twl4030
- use false / true instead of 0 / 1 for booleans.
* xilinx-xadc
- use devm_platform_ioremap_resouce to reduce boilerplate.
* zpa2326
- reorganise buffer handling setup to be more consistent.
Fixes (mostly recent additions)
* cpcap-adc
- Fix mising IRQF_ONESHOT that would cause warnings to be printed.
* st_lsm6dsx
- Sanity check the read_fifo pointer is set.
- use locked read and update functions to prevent some races.
- avoid accessing enable_reg if not provided.
- take a lock to prevent a race in updating the config.
- kernel-doc fixes.
- document wakeup-source property in dt binding.
- fix lsm9ds1 gyro gain definitions.
* tag 'iio-for-5.5b' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (73 commits)
dt-bindings: iio: imu: st_lsm6dsx: add lsm6dsrx device bindings
iio: imu: st_lsm6dsx: add support to LSM6DSRX
iio: st: Drop GPIO include
iio: adc: hx711: optimize performance in read cycle
iio: adc: stm32-adc: fix kernel-doc warnings
iio: pressure: zpa2326: fix iio_triggered_buffer_postenable position
iio: chemical: sgp30: drop excess semicolon
iio: adc: twl4030: Use false / true instead of 0 / 1 with booleans
dt-bindings: iio: Add ltc2983 documentation
iio: temperature: Add support for LTC2983
iio: pressure: bmp280: use devm action and remove labels from probe
iio: pressure: bmp280: use bulk regulator ops
iio: imu: Add support for the FXOS8700 IMU
dt-bindings: iio: imu: add fxos8700 imu binding
staging: iio: ad9834: add a check for devm_clk_get
iio: adc: xilinx-xadc: use devm_platform_ioremap_resource
iio: temp: maxim thermocouple: Drop unneeded semi colon.
iio: adc: cpcap-adc: Fix missing IRQF_ONESHOT as only threaded handler.
iio: adc: meson_saradc: use devm_platform_ioremap_resource
iio: adc: exynos: use devm_platform_ioremap_resource
...
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Using the newly added fsl_mc_get_endpoint function a fsl-mc driver can
find its associated endpoint (another object at the other link of a MC
firmware link).
The API will be used in the following patch in order to discover the
connected DPMAC object of a DPNI.
Also, the fsl_mc_device_lookup function is made available to the entire
fsl-mc bus driver and not just for the dprc driver.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Export all device types present on the fsl-mc bus in order to be able to
actually use the is_fsl_mc_bus_*() functions from drivers on the bus.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Also on am335x we need the swsup quirks for musb.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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We need swsup quirks for sidle and mstandby for musb to work
properly.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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I noticed that when probed with ti-sysc, watchdog can trigger on am3, am4
and dra7 causing a device reset.
Turns out I made several mistakes implementing the watchdog quirk handling:
1. We must do both writes to spr register
2. We must also call the reset quirk on disable
3. On am3 and am4 we need to also set swsup quirk flag
I probably only tested this earlier with watchdog service running when the
watchdog never gets disabled.
Fixes: 4e23be473e30 ("bus: ti-sysc: Add support for module specific reset quirks")
Signed-off-by: Tony Lindgren <tony@atomide.com>
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This adds a new counter driver for the Texas Instruments Enhanced
Quadrature Encoder Pulse (eQEP) module.
Only very basic functionality is currently implemented - only enough to
be able to read the position. The actual device has many more features
which can be added to the driver on an as-needed basis.
It is not possible to read the QEPA/B signal values in hardware, so
that feature is omitted.
The TI_PWMSS kernel option is selected in Kconfig to enable the parent
bus, which is needed for power management.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The TI PWMSS driver is a simple bus driver for providing power
power management for the PWM peripherals on TI AM33xx SoCs, namely
eCAP, eHRPWM and eQEP. The eQEP is a counter rather than a PWM, so
it does not make sense to have the bus driver in the PWM subsystem
since the PWMSS is not exclusive to PWM devices.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Current implementation for ti-sysc powers down the module once module
init is complete. However, right after power is disabled, it is enabled
via runtime PM. This is unnecessary so avoid it by re-ordering the
events a bit; move powering down of the module post runtime PM enable
which makes sure the use counts are maintained properly and there is
no extra power down/up sequence for the module.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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There seems to be unnecessary extra hardreset line toggling applied
during module init. This is unnecessary, as the reset lines are already
asserted during boot, and it can cause certain modules to hang (iommus,
remoteprocs.) Remove the extra hardreset toggle, and remove the now
redundant function to handle this also.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The main clocks and reset controls have a hardware level dependency,
where one can't transition state without the other one transitioning.
Because we don't have the dependency implemented in software, we must
ensure the ordering of these two is done properly; they way this is
handled is that clocks transition on software level without delay,
and the status is only polled on reset side. Because of this, we must
re-order the main clock and reset handling on the ti-sysc driver.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Olof Johansson:
"A few fixes that have trickled in through the merge window:
- Video fixes for OMAP due to panel-dpi driver removal
- Clock fixes for OMAP that broke no-idle quirks + nfsroot on DRA7
- Fixing arch version on ASpeed ast2500
- Two fixes for reset handling on ARM SCMI"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: aspeed: ast2500 is ARMv6K
reset: reset-scmi: add missing handle initialisation
firmware: arm_scmi: reset: fix reset_state assignment in scmi_domain_reset
bus: ti-sysc: Remove unpaired sysc_clkdm_deny_idle()
ARM: dts: logicpd-som-lv: Fix i2c2 and i2c3 Pin mux
ARM: dts: am3517-evm: Fix missing video
ARM: dts: logicpd-torpedo-baseboard: Fix missing video
ARM: omap2plus_defconfig: Fix missing video
bus: ti-sysc: Fix handling of invalid clocks
bus: ti-sysc: Fix clock handling for no-idle quirks
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Fixes for omap variants
Few fixes for ti-sysc interconnect target module driver for no-idle
quirks that caused nfsroot to fail on some dra7 boards.
And let's fixes to get LCD working again for logicpd board that got
broken a while back with removal of panel-dpi driver. We need to now
use generic CONFIG_DRM_PANEL_SIMPLE instead.
* tag 'fixes-5.4-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
bus: ti-sysc: Remove unpaired sysc_clkdm_deny_idle()
ARM: dts: logicpd-som-lv: Fix i2c2 and i2c3 Pin mux
ARM: dts: am3517-evm: Fix missing video
ARM: dts: logicpd-torpedo-baseboard: Fix missing video
ARM: omap2plus_defconfig: Fix missing video
bus: ti-sysc: Fix handling of invalid clocks
bus: ti-sysc: Fix clock handling for no-idle quirks
Link: https://lore.kernel.org/r/pull-1568819401-72461@atomide.com
Signed-off-by: Olof Johansson <olof@lixom.net>
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Pull ARM SoC late updates from Arnd Bergmann:
"This is some material that we picked up into our tree late or that had
complex inter-depondencies. The fact that there are these
interdependencies tends to meant that these are often actually the
most interesting new additions:
- The new Aspeed AST2600 baseboard management controller is added,
this is a Cortex-A7 based follow-up to the ARM11 based AST2500 and
had some dependencies on other device drivers.
- After many years, support for the MMP2 based OLPC XO-1.75 finally
makes it into the kernel.
- The Armada 3720 based Turris Mox open source router platform is a
late addition and it follows some preparatory work across multiple
branches.
- The OMAP2+ platform had some large-scale cleanup involving driver
changes and DT changes, here we finish it off, dropping a lot of
the now-unused platform data.
- The TI K3 platform that got added for 5.3 gains a lot more support
for individual bits on the SoC, this part just came late for the
merge window"
[ This pull request itself wasn't actually sent late at all by Arnd, but
I waited on the branches that it used to be pulled first, so it ends
up being merged much later than the other ARM SoC pull requests this
merge window - Linus ]
* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (57 commits)
ARM: dts: dir685: Drop spi-cpol from the display
ARM: dts: aspeed: Add AST2600 pinmux nodes
ARM: dts: aspeed: Add AST2600 and EVB
ARM: exynos: Enable support for ARM architected timers
ARM: samsung: Fix system restart on S3C6410
ARM: dts: mmp2: add OLPC XO 1.75 machine
ARM: dts: mmp2: rename the USB PHY node
ARM: dts: mmp2: specify reg-shift for the UARTs
ARM: dts: mmp2: add camera interfaces
ARM: dts: mmp2: fix the SPI nodes
ARM: dts: mmp2: trivial whitespace fix
arm64: dts: marvell: add DTS for Turris Mox
dt-bindings: marvell: document Turris Mox compatible
arm64: dts: marvell: armada-37xx: add SPI CS1 pinctrl
arm64: dts: ti: k3-j721e-main: Fix gic-its node unit-address
arm64: dts: ti: k3-am65-main: Fix gic-its node unit-address
arm64: dts: ti: k3-j721e-main: Add hwspinlock node
arm64: dts: ti: k3-am65-main: Add hwspinlock node
arm64: dts: k3-j721e: Add gpio-keys on common processor board
dt-bindings: pinctrl: k3: Introduce pinmux definitions for J721E
...
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"This contains driver changes that are tightly connected to SoC
specific code. Aside from smaller cleanups and bug fixes, here is a
list of the notable changes.
New device drivers:
- The Turris Mox router has a new "moxtet" bus driver for its
on-board pluggable extension bus. The same platform also gains a
firmware driver.
- The Samsung Exynos family gains a new Chipid driver exporting using
the soc device sysfs interface
- A similar socinfo driver for Qualcomm Snapdragon chips.
- A firmware driver for the NXP i.MX DSP IPC protocol using shared
memory and a mailbox
Other changes:
- The i.MX reset controller driver now supports the NXP i.MX8MM chip
- Amlogic SoC specific drivers gain support for the S905X3 and A311D
chips
- A rework of the TI Davinci framebuffer driver to allow important
cleanups in the platform code
- A couple of device drivers for removed ARM SoC platforms are
removed. Most of the removals were picked up by other maintainers,
this contains whatever was left"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (123 commits)
bus: uniphier-system-bus: use devm_platform_ioremap_resource()
soc: ti: ti_sci_pm_domains: Add support for exclusive and shared access
dt-bindings: ti_sci_pm_domains: Add support for exclusive and shared access
firmware: ti_sci: Allow for device shared and exclusive requests
bus: imx-weim: remove incorrect __init annotations
fbdev: remove w90x900/nuc900 platform drivers
spi: remove w90x900 driver
net: remove w90p910-ether driver
net: remove ks8695 driver
firmware: turris-mox-rwtm: Add sysfs documentation
firmware: Add Turris Mox rWTM firmware driver
dt-bindings: firmware: Document cznic,turris-mox-rwtm binding
bus: moxtet: fix unsigned comparison to less than zero
bus: moxtet: remove set but not used variable 'dummy'
ARM: scoop: Use the right include
dt-bindings: power: add Amlogic Everything-Else power domains bindings
soc: amlogic: Add support for Everything-Else power domains controller
fbdev: da8xx: use resource management for dma
fbdev: da8xx-fb: drop a redundant if
fbdev: da8xx-fb: use devm_platform_ioremap_resource()
...
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Commit d098913a10f8 ("bus: ti-sysc: Fix clock handling for no-idle
quirks") fixed handling for no-idle quirk modules that are not enabled
by the bootloader.
But it also caused unpaired clockdomain calls that won't allow idling
the system. That's because clkdm_allow_idle_nolock() and
clkdm_deny_idle_nolock() have usage count with clkdm->forcewake_count.
Let's drop the unpaired sysc_clkdm_deny_idle() to fix idling of devices.
Fixes: d098913a10f8 ("bus: ti-sysc: Fix clock handling for no-idle quirks")
Cc: Keerthy <j-keerthy@ti.com>
Cc: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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We can currently get "Unable to handle kernel paging request at
virtual address" for invalid clocks with dts node but no driver:
(__clk_get_hw) from [<c0138ebc>] (ti_sysc_find_one_clockdomain+0x18/0x34)
(ti_sysc_find_one_clockdomain) from [<c0138f0c>] (ti_sysc_clkdm_init+0x34/0xdc)
(ti_sysc_clkdm_init) from [<c0584660>] (sysc_probe+0xa50/0x10e8)
(sysc_probe) from [<c065c6ac>] (platform_drv_probe+0x58/0xa8)
Let's add IS_ERR checks to ti_sysc_clkdm_init() as And let's start treating
clk_get() with -ENOENT as a proper error. If the clock name is specified
in device tree we must succeed with clk_get() to continue. For modules with
no clock names specified in device tree we will just ignore the clocks.
Fixes: 2b2f7def058a ("bus: ti-sysc: Add support for missing clockdomain handling")
Acked-by: Roger Quadros <rogerq@ti.com>
Tested-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Replace the chain of platform_get_resource() and devm_ioremap_resource()
with devm_platform_ioremap_resource().
This allows to remove the local variable for (struct resource *), and
have one function call less.
Link: https://lore.kernel.org/r/20190905032122.26076-1-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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NFSroot can fail on dra7 when cpsw is probed using ti-sysc interconnect
target module driver as reported by Keerthy.
Device clocks and the interconnect target module may or may not be
enabled by the bootloader on init, but we currently assume the clocks
and module are on from the bootloader for "ti,no-idle" and
"ti,no-idle-on-init" quirks as reported by Grygorii Strashko.
Let's fix the issue by always enabling clocks init, and
never disable them for "ti,no-idle" quirk. For "ti,no-idle-on-init"
quirk, we must decrement the usage count later on to allow PM
runtime to idle the module if requested.
Fixes: 1a5cd7c23cc5 ("bus: ti-sysc: Enable all clocks directly during init to read revision")
Cc: Keerthy <j-keerthy@ti.com>
Cc: Vignesh Raghavendra <vigneshr@ti.com>
Reported-by: Keerthy <j-keerthy@ti.com>
Reported-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The probe function is no longer __init, so anything it calls now
must also be available at runtime, as Kbuild points out when building
with clang-9:
WARNING: vmlinux.o(.text+0x6e7040): Section mismatch in reference from the function weim_probe() to the function .init.text:imx_weim_gpr_setup()
The function weim_probe() references
the function __init imx_weim_gpr_setup().
This is often because weim_probe lacks a __init
annotation or the annotation of imx_weim_gpr_setup is wrong.
WARNING: vmlinux.o(.text+0x6e70f0): Section mismatch in reference from the function weim_probe() to the function .init.text:weim_timing_setup()
The function weim_probe() references
the function __init weim_timing_setup().
This is often because weim_probe lacks a __init
annotation or the annotation of weim_timing_setup is wrong.
Remove the remaining __init markings that are now wrong.
Fixes: 4a92f07816ba ("bus: imx-weim: use module_platform_driver()")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Currently the size_t variable res is being checked for
an error failure however the unsigned variable is never
less than zero so this test is always false. Fix this by
making variable res ssize_t
Link: https://lore.kernel.org/r/20190822010351.15660-2-marek.behun@nic.cz
Addresses-Coverity: ("Unsigned compared against 0")
Fixes: 5bc7f990cd98 ("bus: Add support for Moxtet bus")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Fixes gcc '-Wunused-but-set-variable' warning:
drivers/bus/moxtet.c: In function moxtet_remove:
drivers/bus/moxtet.c:822:6: warning: variable dummy set but not used
[-Wunused-but-set-variable]
Link: https://lore.kernel.org/r/20190822010351.15660-3-marek.behun@nic.cz
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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arm/late
mvebu dt64 for 5.4 (part 2)
Add support for Turris Mox board (Armada 3720 SoC based)
* tag 'mvebu-dt64-5.4-2' of git://git.infradead.org/linux-mvebu: (53 commits)
arm64: dts: marvell: add DTS for Turris Mox
dt-bindings: marvell: document Turris Mox compatible
arm64: dts: marvell: armada-37xx: add SPI CS1 pinctrl
arm64: dts: marvell: Add cpu clock node on Armada 7K/8K
arm64: dts: marvell: Convert 7k/8k usb-phy properties to phy-supply
arm64: dts: marvell: Add 7k/8k PHYs in PCIe nodes
arm64: dts: marvell: Add 7k/8k PHYs in USB3 nodes
arm64: dts: marvell: Add 7k/8k per-port PHYs in SATA nodes
arm64: dts: marvell: Add CP110 COMPHY clocks
arm64: dts: marvell: armada-37xx: add mailbox node
dt-bindings: gpio: Document GPIOs via Moxtet bus
drivers: gpio: Add support for GPIOs over Moxtet bus
bus: moxtet: Add sysfs and debugfs documentation
dt-bindings: bus: Document moxtet bus binding
bus: Add support for Moxtet bus
reset: Add support for resets provided by SCMI
firmware: arm_scmi: Add RESET protocol in SCMI v2.0
dt-bindings: arm: Extend SCMI to support new reset protocol
firmware: arm_scmi: Make use SCMI v2.0 fastchannel for performance protocol
firmware: arm_scmi: Add discovery of SCMI v2.0 performance fastchannels
...
Link: https://lore.kernel.org/r/87h85two0r.fsf@FE-laptop
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/late
more ti-sysc driver changes for omap variants for v5.4
Few changes mostly to deal with sgx SoC glue quirk for omap36xx that
is needed for the related sgx SoC glue dts branch. The other changes
are to simplify sysc_check_one_child() sysc_check_children() to be void
functions, and detect d2d module when debugging is enabled.
* tag 'omap-for-v5.4/ti-sysc-part2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
bus: ti-sysc: Detect d2d when debug is enabled
bus: ti-sysc: Add module enable quirk for SGX on omap36xx
bus: ti-sysc: Change return types of functions
Link: https://lore.kernel.org/r/pull-1567016893-318461@atomide.com-2
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/late
Driver changes for ti-sysc for v5.4
Few changes to prepare for using a reset driver for PRM rstctrl mostly
to deal with the clocks for reset. Then few minor clean-up patches and
SPDX license identifier changes, and add a MAINTAINERs file entry.
* tag 'omap-for-v5.4/ti-sysc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
bus: ti-sysc: remove set but not used variable 'quirks'
bus: ti-sysc: allow reset sharing across devices
bus: ti-sysc: rework the reset handling
bus: ti-sysc: re-order the clkdm control around reset handling
bus: ti-sysc: Add missing kerneldoc comments
bus: ti-sysc: Switch to SPDX license identifier
dt-bindings: ti-sysc: Add SPDX license identifier
MAINTAINERS: Add ti-sysc files under the OMAP2+ entry
Link: https://lore.kernel.org/r/pull-1566599057-142651@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/drivers
i.MX drivers update for 5.4:
- A series from Anson Huang to add UID support for i.MX8 SoC and SCU
drivers.
- A series from Daniel Baluta to add DSP IPC driver for communication
between host AP (Linux) and the firmware running on DSP embedded in
i.MX8 SoCs.
- A small fix for GPCv2 error code printing.
- Switch from module_platform_driver_probe() to module_platform_driver()
for imx-weim driver, as we need the driver to probe again when device
is present later.
- Add optional burst clock mode support for imx-weim driver.
* tag 'imx-drivers-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
soc: imx: gpcv2: Print the correct error code
bus: imx-weim: use module_platform_driver()
firmware: imx: Add DSP IPC protocol interface
soc: imx-scu: Add SoC UID(unique identifier) support
bus: imx-weim: optionally enable burst clock mode
firmware: imx: scu-pd: Add IRQSTR_DSP PD range
firmware: imx: scu-pd: Add mu13 b side PD range
firmware: imx: scu-pd: Rename mu PD range to mu_a
soc: imx8: Add i.MX8MM UID(unique identifier) support
soc: imx8: Add i.MX8MQ UID(unique identifier) support
Link: https://lore.kernel.org/r/20190825153237.28829-1-shawnguo@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/drivers
Allwinner drivers patches for 5.4
One driver to remove a redundant error message in the Allwinner RSB
driver.
* tag 'sunxi-drivers-for-5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
bus: sunxi-rsb: Remove dev_err() usage after platform_get_irq()
Link: https://lore.kernel.org/r/f9edfc8e-19b7-4b6e-897a-35f3bdcc8643.lettre@localhost
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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arm/fixes
Hisilicon fixes for v5.3-rc
- Fixed RCU usage in logical PIO
- Added a function to unregister a logical PIO range in logical PIO
to support the fixes in the hisi-lpc driver
- Fixed and optimized hisi-lpc driver to avoid potential use-after-free
and driver unbind crash
* tag 'hisi-fixes-for-5.3' of git://github.com/hisilicon/linux-hisi:
bus: hisi_lpc: Add .remove method to avoid driver unbind crash
bus: hisi_lpc: Unregister logical PIO range to avoid potential use-after-free
lib: logic_pio: Add logic_pio_unregister_range()
lib: logic_pio: Avoid possible overlap for unregistering regions
lib: logic_pio: Fix RCU usage
Link: https://lore.kernel.org/r/5D562335.7000902@hisilicon.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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We want to see what modules probe when debug is enabled.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Add module enable quirk for SGX needed on omap36xx.
Cc: Adam Ford <aford173@gmail.com>
Cc: Filip Matijević <filip.matijevic.pz@gmail.com>
Cc: "H. Nikolaus Schaller" <hns@goldelico.com>
Cc: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Cc: moaz korena <moaz@korena.xyz>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Cc: Philipp Rossak <embed3d@gmail.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Change return type of functions sysc_check_one_child() and
sysc_check_children() from int to void as neither ever returns an error.
Modify call sites of both functions accordingly.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Switch from module_platform_driver_probe() to module_platform_driver().
The former is not suitable for booting with device tree as the driver
will be registered before the device and thus won't be probed again
when the device is present.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Starting with commit 72175d4ea4c4 ("driver core: Make driver core own
stateful device links") stateful device links are owned by the driver
core and should not be explicitly removed on device unbind. Delete all
device_link_del appearances from the fsl-mc bus.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Acked-By: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
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On the Turris Mox router different modules can be connected to the main
CPU board: currently a module with a SFP cage, a module with MiniPCIe
connector, a PCIe pass-through MiniPCIe connector module, a 4-port
switch module, an 8-port switch module, and a 4-port USB3 module.
For example:
[CPU]-[PCIe-pass-through]-[PCIe]-[8-port switch]-[8-port switch]-[SFP]
Each of this modules has an input and output shift register, and these
are connected via SPI to the CPU board.
Via SPI we are able to discover which modules are connected, in which
order, and we can also read some information about the modules (eg.
their interrupt status), and configure them.
From each module 8 bits can be read (of which low 4 bits identify the
module) and 8 bits can be written.
For example from the module with a SFP cage we can read the LOS,
TX-FAULT and MOD-DEF0 signals, while we can write TX-DISABLE and
RATE-SELECT signals.
This driver creates a new bus type, called "moxtet". For each Mox module
it finds via SPI, it creates a new device on the moxtet bus so that
drivers can be written for them.
It also implements a virtual interrupt controller for the modules which
send their interrupt status over the SPI shift register. These modules
do this in addition to sending their interrupt status via the shared
interrupt line. When the shared interrupt is triggered, we read from the
shift register and handle IRQs for all devices which are in interrupt.
The topology of how Mox modules are connected can then be read by
listing /sys/bus/moxtet/devices.
Link: https://lore.kernel.org/r/20190812161118.21476-2-marek.behun@nic.cz
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Fixes gcc '-Wunused-but-set-variable' warning:
drivers/bus/ti-sysc.c: In function sysc_reset:
drivers/bus/ti-sysc.c:1452:50: warning: variable quirks set but not used [-Wunused-but-set-variable]
It is never used since commit e0db94fe87da ("bus: ti-sysc: Make
OCP reset work for sysstatus and sysconfig reset bits")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Some devices need to share their reset signals, like DSP MMUs, thus drop
the exclusive notation from reset request. Also, balance the init time
reset count, otherwise the resets will never be applied post boot.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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If reset controllers are assigned to the ti-sysc target-module, only
ti-sysc is going to be able to control these. Thus, remove all the
disable_on_idle flag usage, and assert/de-assert the reset always
in the idle path. Otherwise the reset signal will always just be
de-asserted.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Parenting clockdomain for the IP should be enabled during the reset
handling logic, otherwise the reset may not finish properly. Re-order
the clockdomain control logic to avoid this.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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A few fields in various structures is missing the corresponding
kerneldoc comments. Add them. Also, fixed the comment for sidlemodes.
Signed-off-by: Suman Anna <s-anna@ti.com>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Use the appropriate SPDX license identifier in the TI sysc
interconnect target driver source files and drop the previous
boilerplate license text. Also, add the the SPDX license
identifier in the associated ti-sysc header files.
Signed-off-by: Suman Anna <s-anna@ti.com>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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