- clean ups of unused code and debuggability
- add cmdq_instruction to make the function call interface more readable
- add functions for polling and providing info for the user of cmdq
scpsys:
- add bindings for MT6765
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Merge tag 'v5.5-next-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into arm/drivers
cmdq:
- clean ups of unused code and debuggability
- add cmdq_instruction to make the function call interface more readable
- add functions for polling and providing info for the user of cmdq
scpsys:
- add bindings for MT6765
* tag 'v5.5-next-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux:
dt-bindings: mediatek: add MT6765 power dt-bindings
soc: mediatek: cmdq: delete not used define
soc: mediatek: cmdq: add cmdq_dev_get_client_reg function
soc: mediatek: cmdq: add polling function
soc: mediatek: cmdq: define the instruction struct
soc: mediatek: cmdq: remove OR opertaion from err return
Link: https://lore.kernel.org/r/9b365e76-e346-f813-d750-d7cfd0d16e4e@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
5.6, please pull the following:
- Nicolas adds an entry for the Broadcom STB PCIe Root Complex files for
both BCM7xxx (actual STB SoCs) and BCM2711 (Raspberry Pi 4).
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Merge tag 'arm-soc/for-5.6/maintainers' of https://github.com/Broadcom/stblinux into arm/drivers
This pull request contains Broadcom SoCs MAINTAINERS file updates for
5.6, please pull the following:
- Nicolas adds an entry for the Broadcom STB PCIe Root Complex files for
both BCM7xxx (actual STB SoCs) and BCM2711 (Raspberry Pi 4).
* tag 'arm-soc/for-5.6/maintainers' of https://github.com/Broadcom/stblinux:
MAINTAINERS: Add brcmstb PCIe controller entry
Link: https://lore.kernel.org/r/20200118032935.1346-1-f.fainelli@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
inst->handles is traversed using list_for_each_entry_rcu
outside an RCU read-side critical section but under the protection
of knav_dev_lock.
Hence, add corresponding lockdep expression to silence false-positive
lockdep warnings, and harden RCU lists.
Add macro for the corresponding lockdep expression.
Link: https://lore.kernel.org/r/20200118042433.4968-1-frextrite@gmail.com
Signed-off-by: Amol Grover <frextrite@gmail.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
The controller serves both the Raspberry Pi 4 (bcm2711) and brcmstb
platforms.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
The Ring Accelerator (RINGACC or RA) provides hardware acceleration to
enable straightforward passing of work between a producer and a consumer.
There is one RINGACC module per NAVSS on TI AM65x SoCs.
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Merge tag 'drivers_soc_for_5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into arm/drivers
SOC: TI Keystone Ring Accelerator driver
The Ring Accelerator (RINGACC or RA) provides hardware acceleration to
enable straightforward passing of work between a producer and a consumer.
There is one RINGACC module per NAVSS on TI AM65x SoCs.
* tag 'drivers_soc_for_5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
soc: ti: k3: add navss ringacc driver
bindings: soc: ti: add documentation for k3 ringacc
Link: https://lore.kernel.org/r/1579205259-4845-1-git-send-email-santosh.shilimkar@oracle.com
Signed-off-by: Olof Johansson <olof@lixom.net>
Few changes to implement quirk handling for cases where we need to block
clockdomain autoidle, drop old MMU specific quirks, and simplify the
return code for sysc_init_resets().
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Merge tag 'omap-for-v5.6/ti-sysc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/drivers
ti-sysc driver changes for omaps for v5.6 merge window
Few changes to implement quirk handling for cases where we need to block
clockdomain autoidle, drop old MMU specific quirks, and simplify the
return code for sysc_init_resets().
* tag 'omap-for-v5.6/ti-sysc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
bus: ti-sysc: Use PTR_ERR_OR_ZERO() to simplify code
bus: ti-sysc: Drop MMU quirks
bus: ti-sysc: Implement quirk handling for CLKDM_NOAUTO
Link: https://lore.kernel.org/r/pull-1579200367-372444@atomide.com-3
Signed-off-by: Olof Johansson <olof@lixom.net>
* SCM major refactoring and cleanup
* Properly flag active only power domains as active only
* Add SC7180 and SM8150 RPMH power domains
* Return EPROBE_DEFER from QMI if packet family is not yet available
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Merge tag 'qcom-drivers-for-5.6' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/drivers
Qualcomm driver updates for v5.6
* SCM major refactoring and cleanup
* Properly flag active only power domains as active only
* Add SC7180 and SM8150 RPMH power domains
* Return EPROBE_DEFER from QMI if packet family is not yet available
* tag 'qcom-drivers-for-5.6' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (27 commits)
firmware: qcom_scm: Dynamically support SMCCC and legacy conventions
firmware: qcom_scm: Remove thin wrappers
firmware: qcom_scm: Order functions, definitions by service/command
firmware: qcom_scm-32: Add device argument to atomic calls
firmware: qcom_scm-32: Create common legacy atomic call
firmware: qcom_scm-32: Move SMCCC register filling to qcom_scm_call
firmware: qcom_scm-32: Use qcom_scm_desc in non-atomic calls
firmware: qcom_scm-32: Add funcnum IDs
firmware: qcom_scm-32: Use SMC arch wrappers
firmware: qcom_scm-64: Improve SMC convention detection
firmware: qcom_scm-64: Move SMC register filling to qcom_scm_call_smccc
firmware: qcom_scm-64: Add SCM results struct
firmware: qcom_scm-64: Move svc/cmd/owner into qcom_scm_desc
firmware: qcom_scm-64: Make SMC macros less magical
firmware: qcom_scm: Remove unused qcom_scm_get_version
firmware: qcom_scm: Apply consistent naming scheme to command IDs
firmware: qcom_scm: Rename macros and structures
soc: qcom: rpmhpd: Set 'active_only' for active only power domains
firmware: scm: Add stubs for OCMEM and restore_sec_cfg_available
dt-bindings: power: rpmpd: Convert rpmpd bindings to yaml
...
Link: https://lore.kernel.org/r/20200113204405.GD3325@yoga
Signed-off-by: Olof Johansson <olof@lixom.net>
QUICC Engine drivers
- Improve the QE drivers to be compatible with ARM/ARM64/PPC64
architectures
- Various cleanups to the QE drivers
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Merge tag 'soc-fsl-next-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into arm/drivers
NXP/FSL SoC driver updates for v5.6
QUICC Engine drivers
- Improve the QE drivers to be compatible with ARM/ARM64/PPC64
architectures
- Various cleanups to the QE drivers
* tag 'soc-fsl-next-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux: (49 commits)
soc: fsl: qe: remove set but not used variable 'mm_gc'
soc: fsl: qe: remove PPC32 dependency from CONFIG_QUICC_ENGINE
soc: fsl: qe: remove unused #include of asm/irq.h from ucc.c
net: ethernet: freescale: make UCC_GETH explicitly depend on PPC32
net/wan/fsl_ucc_hdlc: reject muram offsets above 64K
net/wan/fsl_ucc_hdlc: fix reading of __be16 registers
net/wan/fsl_ucc_hdlc: avoid use of IS_ERR_VALUE()
soc: fsl: qe: avoid IS_ERR_VALUE in ucc_fast.c
soc: fsl: qe: drop pointless check in qe_sdma_init()
soc: fsl: qe: drop use of IS_ERR_VALUE in qe_sdma_init()
soc: fsl: qe: avoid IS_ERR_VALUE in ucc_slow.c
soc: fsl: qe: refactor cpm_muram_alloc_common to prevent BUG on error path
soc: fsl: qe: drop broken lazy call of cpm_muram_init()
soc: fsl: qe: make cpm_muram_free() ignore a negative offset
soc: fsl: qe: make cpm_muram_free() return void
soc: fsl: qe: change return type of cpm_muram_alloc() to s32
serial: ucc_uart: access __be32 field using be32_to_cpu
serial: ucc_uart: limit brg-frequency workaround to PPC32
serial: ucc_uart: use of_property_read_u32() in ucc_uart_probe()
serial: ucc_uart: stub out soft_uart_init for !CONFIG_PPC32
...
Link: https://lore.kernel.org/r/1578608351-23289-1-git-send-email-leoyang.li@nxp.com
Signed-off-by: Olof Johansson <olof@lixom.net>
- Add i.MX8MP SoC driver support.
- Allow IMX DSP Protocol driver to be built as module.
- Add COMPILE_TEST for IMX_SCU_SOC driver to increase build coverage.
- Print SoC type and revision in i.MX8 SoC driver, as this is useful
information to have when looking through boot log.
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Merge tag 'imx-driver-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/drivers
i.MX driver changes for 5.6:
- Add i.MX8MP SoC driver support.
- Allow IMX DSP Protocol driver to be built as module.
- Add COMPILE_TEST for IMX_SCU_SOC driver to increase build coverage.
- Print SoC type and revision in i.MX8 SoC driver, as this is useful
information to have when looking through boot log.
* tag 'imx-driver-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
firmware: imx: Allow IMX DSP to be selected as module
soc: imx: Enable compile testing of IMX_SCU_SOC
soc: imx: Add i.MX8MP SoC driver support
soc: imx8: print SoC type and revision
Link: https://lore.kernel.org/r/20200113034006.17430-1-shawnguo@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
- Various cleanup on the following drivers:
- Turris Mox rWTM firmware
- Moxtet bus
- Armada 37xx rWTM mailbox
- Marvell EBU Device Bus
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Merge tag 'mvebu-drivers-5.6-1' of git://git.infradead.org/linux-mvebu into arm/drivers
mvebu drivers for 5.6 (part 1)
- Various cleanup on the following drivers:
- Turris Mox rWTM firmware
- Moxtet bus
- Armada 37xx rWTM mailbox
- Marvell EBU Device Bus
* tag 'mvebu-drivers-5.6-1' of git://git.infradead.org/linux-mvebu:
mailbox: armada-37xx-rwtm: convert to devm_platform_ioremap_resource
memory: mvebu-devbus: convert to devm_platform_ioremap_resource
bus: moxtet: declare moxtet_bus_type as static
firmware: turris-mox-rwtm: small white space cleanup
Link: https://lore.kernel.org/r/877e1x3nxc.fsf@FE-laptop
Signed-off-by: Olof Johansson <olof@lixom.net>
This adds a couple of optimizations to how the chip ID and straps are
read and adds support for the FUSE block on Tegra194. Included is also a
small optimization for the coupled regulator driver to abort early if no
voltage change has occurred.
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Merge tag 'tegra-for-5.6-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/drivers
soc: tegra: Changes for v5.6-rc1
This adds a couple of optimizations to how the chip ID and straps are
read and adds support for the FUSE block on Tegra194. Included is also a
small optimization for the coupled regulator driver to abort early if no
voltage change has occurred.
* tag 'tegra-for-5.6-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: fuse: Unmap registers once they are not needed anymore
soc/tegra: fuse: Correct straps' address for older Tegra124 device trees
soc/tegra: fuse: Warn if straps are not ready
soc/tegra: fuse: Cache values of straps and Chip ID registers
soc/tegra: regulators: Do nothing if voltage is unchanged
soc/tegra: fuse: Add APB DMA dependency for Tegra20
soc/tegra: fuse: Add Tegra194 support
Link: https://lore.kernel.org/r/20200111003553.2411874-4-thierry.reding@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
This adds a couple of fixes for the Tegra30 EMC frequency scaling code
and adds support for EMC frequency scaling on Tegra186 and later.
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Merge tag 'tegra-for-5.6-memory' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/drivers
memory: tegra: Changes for v5.6-rc1
This adds a couple of fixes for the Tegra30 EMC frequency scaling code
and adds support for EMC frequency scaling on Tegra186 and later.
* tag 'tegra-for-5.6-memory' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
memory: tegra30-emc: Correct error message for timed out auto calibration
memory: tegra30-emc: Firm up hardware programming sequence
memory: tegra30-emc: Firm up suspend/resume sequence
memory: tegra: Correct reset value of xusb_hostr
memory: tegra: Add support for the Tegra194 memory controller
memory: tegra: Only include support for enabled SoCs
memory: tegra: Support DVFS on Tegra186 and later
memory: tegra: Add system sleep support
memory: tegra: Extract memory client SID programming
memory: tegra: Add per-SoC data for Tegra186
memory: tegra: Rename tegra_mc to tegra186_mc on Tegra186
memory: tegra: Implement EMC debugfs interface on Tegra30
memory: tegra: Implement EMC debugfs interface on Tegra20
memory: tegra: Refashion EMC debugfs interface on Tegra124
Link: https://lore.kernel.org/r/20200111003553.2411874-3-thierry.reding@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
Contains a single fix to remove a Kconfig dependency that's no longer
required.
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Merge tag 'tegra-for-5.6-bus' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/drivers
bus: tegra: Changes for v5.6-rc1
Contains a single fix to remove a Kconfig dependency that's no longer
required.
* tag 'tegra-for-5.6-bus' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
bus: tegra-aconnect: Remove PM_CLK dependency
Link: https://lore.kernel.org/r/20200111003553.2411874-2-thierry.reding@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
The Ring Accelerator (RINGACC or RA) provides hardware acceleration to
enable straightforward passing of work between a producer and a consumer.
There is one RINGACC module per NAVSS on TI AM65x SoCs.
The RINGACC converts constant-address read and write accesses to equivalent
read or write accesses to a circular data structure in memory. The RINGACC
eliminates the need for each DMA controller which needs to access ring
elements from having to know the current state of the ring (base address,
current offset). The DMA controller performs a read or write access to a
specific address range (which maps to the source interface on the RINGACC)
and the RINGACC replaces the address for the transaction with a new address
which corresponds to the head or tail element of the ring (head for reads,
tail for writes). Since the RINGACC maintains the state, multiple DMA
controllers or channels are allowed to coherently share the same rings as
applicable. The RINGACC is able to place data which is destined towards
software into cached memory directly.
Supported ring modes:
- Ring Mode
- Messaging Mode
- Credentials Mode
- Queue Manager Mode
TI-SCI integration:
Texas Instrument's System Control Interface (TI-SCI) Message Protocol now
has control over Ringacc module resources management (RM) and Rings
configuration.
The corresponding support of TI-SCI Ringacc module RM protocol
introduced as option through DT parameters:
- ti,sci: phandle on TI-SCI firmware controller DT node
- ti,sci-dev-id: TI-SCI device identifier as per TI-SCI firmware spec
if both parameters present - Ringacc driver will configure/free/reset Rings
using TI-SCI Message Ringacc RM Protocol.
The Ringacc driver manages Rings allocation by itself now and requests
TI-SCI firmware to allocate and configure specific Rings only. It's done
this way because, Linux driver implements two stage Rings allocation and
configuration (allocate ring and configure ring) while TI-SCI Message
Protocol supports only one combined operation (allocate+configure).
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
The Ring Accelerator (RINGACC or RA) provides hardware acceleration to
enable straightforward passing of work between a producer and a consumer.
There is one RINGACC module per NAVSS on TI AM65x and j721e.
This patch introduces RINGACC device tree bindings.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Tested-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
This tag adds support for the Nuvoton NPCM, Intel Gatway SoC, and
Broadcom BCM7216 RESCAL reset controllers, adds missing SCSSI reset
controls for newer Uniphier SoCs, aligns the program flow in the
devm_reset_controller_register, __devm_reset_control_get, and
devm_reset_control_array_get functions for better consistency,
and allows to build the Qcom AOSS reset driver as a module.
This is based on v5.5-rc3 because the core patch depends on commit
db23808615 ("reset: Do not register resource data for missing
resets").
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Merge tag 'reset-for-5.6' of git://git.pengutronix.de/pza/linux into arm/drivers
Reset controller updates for v5.6
This tag adds support for the Nuvoton NPCM, Intel Gatway SoC, and
Broadcom BCM7216 RESCAL reset controllers, adds missing SCSSI reset
controls for newer Uniphier SoCs, aligns the program flow in the
devm_reset_controller_register, __devm_reset_control_get, and
devm_reset_control_array_get functions for better consistency,
and allows to build the Qcom AOSS reset driver as a module.
This is based on v5.5-rc3 because the core patch depends on commit
db23808615 ("reset: Do not register resource data for missing
resets").
* tag 'reset-for-5.6' of git://git.pengutronix.de/pza/linux:
reset: qcom-aoss: Allow CONFIG_RESET_QCOM_AOSS to be a tristate
reset: Add Broadcom STB RESCAL reset controller
dt-bindings: reset: Document BCM7216 RESCAL reset controller
reset: intel: Add system reset controller driver
dt-bindings: reset: Add YAML schemas for the Intel Reset controller
reset: uniphier: Add SCSSI reset control for each channel
reset: Align logic and flow in managed helpers
reset: npcm: add NPCM reset controller driver
dt-bindings: reset: Add binding constants for NPCM7xx reset controller
dt-bindings: reset: add NPCM reset controller documentation
Link: https://lore.kernel.org/r/dbbb2ca7490a0146d9ba632fd4d9f38063e03e9f.camel@pengutronix.de
Signed-off-by: Olof Johansson <olof@lixom.net>
changes for 5.6, please pull the following:
- Florian provides a set of updates to the Bus Interface Unit control to
tune it appropriately for the most recent chips: 7255, 7260, 7216, 7211
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Merge tag 'arm-soc/for-5.6/drivers' of https://github.com/Broadcom/stblinux into arm/drivers
This pull request contains Broadcom ARM/ARM64/MIPS-based SoCs drivers
changes for 5.6, please pull the following:
- Florian provides a set of updates to the Bus Interface Unit control to
tune it appropriately for the most recent chips: 7255, 7260, 7216, 7211
* tag 'arm-soc/for-5.6/drivers' of https://github.com/Broadcom/stblinux:
soc: bcm: brcmstb: biuctrl: Update programming for 7211
soc: bcm: brcmstb: biuctrl: Update layout for A72 on 7211
soc: bcm: brcmstb: biuctrl: Tune interface for 7255 and 7216
soc: bcm: brcmstb: biuctrl: Tune 7260 BIU interface
Link: https://lore.kernel.org/r/20200108191114.15987-2-f.fainelli@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
Both Chip ID and strapping registers are now read out during of APB MISC
initialization, the registers' mapping isn't needed anymore once registers
are read. Hence let's unmap registers once they are not needed anymore,
for consistency.
Suggested-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Trying to read out Chip ID before APBMISC registers are mapped won't
succeed, in a result Tegra124 gets a wrong address for the HW straps
register if machine uses an old outdated device tree.
Fixes: 297c4f3dcb ("soc/tegra: fuse: Restrict legacy code to 32-bit ARM")
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Now both Chip ID and HW straps are becoming available at the same time,
thus we could simply check the availability of the ID in order to check
the availability of the straps. We couldn't check straps for 0x0 because
it could be a correct value.
This change didn't uncover any problems, but anyways it is nicer to have
straps verified for consistency with the Chip ID verification.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
There is no need to re-read Chip ID and HW straps out from hardware each
time, it is a bit nicer to cache the values in memory.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The code waits for auto calibration to be finished and not to be disabled.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Previously there was a problem where a late handshake handling caused
a memory corruption, this problem was resolved by issuing calibration
command right after changing the timing, but looks like the solution
wasn't entirely correct since calibration interval could be disabled as
well. Now programming sequence is completed immediately after receiving
handshake from CaR, without potentially long delays and in accordance to
the TRM's programming guide.
Secondly, the TRM's programming guide suggests to flush EMC writes by
reading any *MC* register before doing CaR changes. This is also addressed
now.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The current code doesn't prevent race conditions of suspend/resume vs CCF.
Let's take exclusive control over the EMC clock during suspend in a way
that is free from race conditions.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
There is no need to re-apply the same voltage. This change is just a minor
cleanup.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
According to Tegra X1 (Tegra210) TRM, the reset value of xusb_hostr
field (bit [7:0]) should be 0x7a. So this patch simply corrects it.
Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The ACONNECT bus driver does not use pm-clk interface anymore and hence
the dependency can be removed from its Kconfig option.
Fixes: 0d7dab9261 ("bus: tegra-aconnect: use devm_clk_*() helpers")
Signed-off-by: Sameer Pujar <spujar@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This adds power dt-bindings for MT6765
Signed-off-by: Mars Cheng <mars.cheng@mediatek.com>
Signed-off-by: Owen Chen <owen.chen@mediatek.com>
Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Define CMDQ_EOC_CMD was actually never used. Delete it.
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Reviewed-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
The memory and external memory controllers on Tegra194 are very similar
to their predecessors from Tegra186. Add the necessary SoC-specific data
to support the newer versions.
Signed-off-by: Thierry Reding <treding@nvidia.com>
The memory client tables can be fairly large and they can easily be
omitted if support for the corresponding SoC is not enabled.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Add a Tegra186 (and later) EMC driver that reads the EMC DVFS tables
from BPMP and uses the EMC clock to change the external memory clock.
This currently only provides a debugfs interface to show the available
frequencies and set lower and upper limits of the allowed range. This
can be used for testing the various frequencies. The goal is to
eventually integrate this with the interconnect framework so that the
EMC frequency can be scaled based on demand from memory clients.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Add system suspend/resume support for the memory controller found on
Tegra186 and later. This is required so that the SID registers can be
reprogrammed after their content was lost during system sleep.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Move programming of the memory client to SID mapping into a separate
function so that it can be reused from multiple call sites.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Instead of hard-coding the memory client table, use per-SoC data in
preparation for adding support for other SoCs.
Signed-off-by: Thierry Reding <treding@nvidia.com>
A common debugfs interface is already available on Tegra20, Tegra124,
Tegra186 and Tegra194. Implement the same interface on Tegra30 to enable
testing of the EMC frequency scaling code using a unified interface.
Signed-off-by: Thierry Reding <treding@nvidia.com>
A common debugfs interface is already available on Tegra124, Tegra186
and Tegra194. Implement the same interface on Tegra20 to enable testing
of the EMC frequency scaling code using a unified interface.
Signed-off-by: Thierry Reding <treding@nvidia.com>
The current debugfs interface is only partially useful. While it allows
listing supported frequencies and testing individual clock rates, it is
limited in that it can't be used to restrict the range of frequencies
that the driver is allowed to set. This is something we may want to use
to test adaptive scaling once that's implemented.
Signed-off-by: Thierry Reding <treding@nvidia.com>
IMX DSP is only needed by SOF or any other module that
wants to communicate with the DSP. When SOF is build
as a module IMX DSP is forced to be built inside the
kernel image. This is not optimal, so allow IMX DSP
to be built as a module.
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
IMX_SCU_SOC can be compile tested to increase build coverage.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
drivers/soc/fsl/qe/gpio.c: In function qe_pin_request:
drivers/soc/fsl/qe/gpio.c:163:26: warning: variable mm_gc set but not used [-Wunused-but-set-variable]
commit 1e714e54b5 ("powerpc: qe_lib-gpio: use gpiochip data pointer")
left behind this unused variable.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
corresponding cpuidle driver. This support is based upon using the generic
PM domain, which already supports devices belonging to CPUs.
Finally, these is a DTS patch that enables the hierarchical topology to be
used for the Qcom 410c Dragonboard, which supports the PSCI OS-initiated
mode.
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Merge tag 'cpuidle_psci-v5.5-rc4' of git://git.linaro.org/people/ulf.hansson/linux-pm into arm/drivers
Initial support for hierarchical CPU arrangement, managed by PSCI and its
corresponding cpuidle driver. This support is based upon using the generic
PM domain, which already supports devices belonging to CPUs.
Finally, these is a DTS patch that enables the hierarchical topology to be
used for the Qcom 410c Dragonboard, which supports the PSCI OS-initiated
mode.
* tag 'cpuidle_psci-v5.5-rc4' of git://git.linaro.org/people/ulf.hansson/linux-pm: (611 commits)
arm64: dts: Convert to the hierarchical CPU topology layout for MSM8916
cpuidle: psci: Add support for PM domains by using genpd
PM / Domains: Introduce a genpd OF helper that removes a subdomain
cpuidle: psci: Support CPU hotplug for the hierarchical model
cpuidle: psci: Manage runtime PM in the idle path
cpuidle: psci: Prepare to use OS initiated suspend mode via PM domains
cpuidle: psci: Attach CPU devices to their PM domains
cpuidle: psci: Add a helper to attach a CPU to its PM domain
cpuidle: psci: Support hierarchical CPU idle states
cpuidle: psci: Simplify OF parsing of CPU idle state nodes
cpuidle: dt: Support hierarchical CPU idle states
of: base: Add of_get_cpu_state_node() to get idle states for a CPU node
firmware: psci: Export functions to manage the OSI mode
dt: psci: Update DT bindings to support hierarchical PSCI states
cpuidle: psci: Align psci_power_state count with idle state count
Linux 5.5-rc4
locks: print unsigned ino in /proc/locks
riscv: export flush_icache_all to modules
riscv: reject invalid syscalls below -1
riscv: fix compile failure with EXPORT_SYMBOL() & !MMU
...
Link: https://lore.kernel.org/r/20200102160820.3572-1-ulf.hansson@linaro.org
Signed-off-by: Olof Johansson <olof@lixom.net>
GCE cannot know the register base address, this function
can help cmdq client to get the cmdq_client_reg structure.
Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Reviewed-by: Houlong Wei <houlong.wei@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
add polling function in cmdq helper functions
Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
