Support for hardware-keymanager v1 support for wrapped keys is introduce
in the ICE driver.
Support for the new Kaanapali mobile platform is added to last-level
cache controller, pd-mapper, and UBWC drivers.
UBWC driver gains support for the Monaco and Glymur platforms.
The PMIC GLINK driver is extended to handle the differences found in
targets where the related firmware runs on the SoCCP.
Support for running on targets without initialized SMEM is provided, by
reworking the SMEM driver to differentiate between "not yet probed" and
"probed but there was no SMEM". An unwanted WARN_ON() that triggered if
clients asked for a SMEM item beyond the currently running system's
limit, was removed, to allow new use cases to gracefully fail on old
targets.
The Qualcomm socinfo driver is extended with support for version 20
through 23 and support for providing version information about more than
32 remote processors. Identifiers for QCS6490 and SM8850 are also added.
Additionally, a number of smaller bug fixes and cleanups in PBS, OCMEM,
GSBI, TZMEM, and MDT-loader are included.
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Merge tag 'qcom-drivers-for-6.19' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers
Qualcomm driver updates for v6.19
Support for hardware-keymanager v1 support for wrapped keys is introduce
in the ICE driver.
Support for the new Kaanapali mobile platform is added to last-level
cache controller, pd-mapper, and UBWC drivers.
UBWC driver gains support for the Monaco and Glymur platforms.
The PMIC GLINK driver is extended to handle the differences found in
targets where the related firmware runs on the SoCCP.
Support for running on targets without initialized SMEM is provided, by
reworking the SMEM driver to differentiate between "not yet probed" and
"probed but there was no SMEM". An unwanted WARN_ON() that triggered if
clients asked for a SMEM item beyond the currently running system's
limit, was removed, to allow new use cases to gracefully fail on old
targets.
The Qualcomm socinfo driver is extended with support for version 20
through 23 and support for providing version information about more than
32 remote processors. Identifiers for QCS6490 and SM8850 are also added.
Additionally, a number of smaller bug fixes and cleanups in PBS, OCMEM,
GSBI, TZMEM, and MDT-loader are included.
* tag 'qcom-drivers-for-6.19' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (31 commits)
soc: qcom: mdt_loader: rename 'firmware' parameter of qcom_mdt_load()
soc: qcom: mdt_loader: merge __qcom_mdt_load() and qcom_mdt_load_no_init()
soc: qcom: socinfo: Add reserve field to support future extension
soc: qcom: socinfo: Add support for new fields in revision 20
dt-bindings: firmware: qcom,scm: Document SCM on Kaanapali SOC
soc: qcom: socinfo: add support to extract more than 32 image versions
soc: qcom: smem: drop the WARN_ON() on SMEM item validation
soc: qcom: ubwc: Add config for Kaanapali
soc: qcom: socinfo: Add SoC ID for QCS6490
dt-bindings: arm: qcom,ids: Add SoC ID for QCS6490
soc: qcom: ice: Add HWKM v1 support for wrapped keys
soc: qcom: smem: better track SMEM uninitialized state
err.h: add INIT_ERR_PTR() macro
soc: qcom: smem: fix hwspinlock resource leak in probe error paths
dt-bindings: soc: qcom,aoss-qmp: Document the Glymur AOSS side channel
dt-bindings: soc: qcom,aoss-qmp: Document the Kaanapali AOSS channel
soc: qcom: ubwc: Add QCS8300 UBWC cfg
dt-bindings: firmware: qcom,scm: Document Glymur scm
soc: qcom: socinfo: Add SM8850 SoC ID
dt-bindings: arm: qcom,ids: Add SoC ID for SM8850
...
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Just one cleanup change that is part of tree wide cleanup of redundant
pm_runtime_mark_last_busy() calls.
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Merge tag 'sunxi-drivers-for-6.19' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into soc/drivers
Allwinner driver changes for 6.19
Just one cleanup change that is part of tree wide cleanup of redundant
pm_runtime_mark_last_busy() calls.
* tag 'sunxi-drivers-for-6.19' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
bus: sunxi-rsb: Remove redundant pm_runtime_mark_last_busy() calls
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
A couple of small fixes across the board: ACPI support on FUSE no longer
exposes duplicate SoC information, speedo IDs for Tegra210 are updated,
some comments see typo fixes or kerneldoc additions. Finally, support
for USB wake events is added on Tegra234, which allow these systems to
resume from suspend on USB activity.
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Merge tag 'tegra-for-6.19-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/drivers
soc/tegra: Changes for v6.19-rc1
A couple of small fixes across the board: ACPI support on FUSE no longer
exposes duplicate SoC information, speedo IDs for Tegra210 are updated,
some comments see typo fixes or kerneldoc additions. Finally, support
for USB wake events is added on Tegra234, which allow these systems to
resume from suspend on USB activity.
* tag 'tegra-for-6.19-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: pmc: Add USB wake events for Tegra234
soc/tegra: pmc: Document tegra_pmc.syscore field
soc/tegra: pmc: Don't fail if "aotag" is not present
soc/tegra: fuse: speedo-tegra210: Add SoC speedo 2
soc/tegra: fuse: speedo-tegra210: Update speedo IDs
soc/tegra: Resolve a spelling error in the tegra194-cbb.c
soc/tegra: fuse: Do not register SoC device on ACPI boot
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Add a parameter to syscore operations to allow passing contextual data,
which in turn enables refactoring of drivers to make them independent of
global data. This initially only contains the API changes along with the
updates for existing drivers. Subsequent work will make use of this to
improve drivers.
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Merge tag 'tegra-for-6.19-syscore' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/drivers
syscore: Changes for v6.19-rc1
Add a parameter to syscore operations to allow passing contextual data,
which in turn enables refactoring of drivers to make them independent of
global data. This initially only contains the API changes along with the
updates for existing drivers. Subsequent work will make use of this to
improve drivers.
* tag 'tegra-for-6.19-syscore' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
syscore: Pass context data to callbacks
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fix a device leak. Could go into v6.18 as a fix, but since this problem
has existed for a long time and nobody has reported it before it doesn't
seem critical enough and sufficient to get it into 6.19 and then
backported.
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Merge tag 'tegra-for-6.19-core' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/drivers
amba: Fixes for v6.19-rc1
Fix a device leak. Could go into v6.18 as a fix, but since this problem
has existed for a long time and nobody has reported it before it doesn't
seem critical enough and sufficient to get it into 6.19 and then
backported.
* tag 'tegra-for-6.19-core' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
amba: tegra-ahb: Fix device leak on SMMU enable
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
1. ChipID driver: Add support for identifying Exynos8890 and Exynos9610.
2. PMU driver: Allow specifying list of valid registers for the custom
regmap used on Google GS101 SoC. The PMU (Power Management Unit) on
that SoC uses more complex access to registers than simple MMIO and
invalid registers trigger aborts halting the system.
3. Few minor cleanups.
4. Several new bindings for compatible devices.
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Merge tag 'samsung-drivers-6.19' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into soc/drivers
Samsung SoC drivers for v6.19
1. ChipID driver: Add support for identifying Exynos8890 and Exynos9610.
2. PMU driver: Allow specifying list of valid registers for the custom
regmap used on Google GS101 SoC. The PMU (Power Management Unit) on
that SoC uses more complex access to registers than simple MMIO and
invalid registers trigger aborts halting the system.
3. Few minor cleanups.
4. Several new bindings for compatible devices.
* tag 'samsung-drivers-6.19' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
dt-bindings: soc: samsung: exynos-pmu: allow mipi-phy subnode for Exynos7870 PMU
soc: samsung: exynos-chipid: use a local dev variable
dt-bindings: soc: samsung: exynos-sysreg: add gs101 hsi0 and misc compatibles
dt-bindings: soc: samsung: exynos-sysreg: add power-domains
soc: samsung: gs101-pmu: implement access tables for read and write
soc: samsung: exynos-pmu: move some gs101 related code into new file
soc: samsung: exynos-pmu: allow specifying read & write access tables for secure regmap
dt-bindings: samsung: exynos-sysreg: add exynos7870 sysregs
soc: samsung: exynos-chipid: add exynos8890 SoC support
dt-bindings: hwinfo: samsung,exynos-chipid: add exynos8890-chipid compatible
dt-bindings: soc: samsung: exynos-pmu: add exynos8890 compatible
soc: samsung: exynos-pmu: Annotate online/offline functions with __must_hold
soc: samsung: exynos-chipid: Add exynos9610 SoC support
dt-bindings: hwinfo: samsung,exynos-chipid: add exynos9610 compatible
dt-bindings: soc: samsung: exynos-sysreg: Add Exynos990 PERIC0/1 compatibles
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
1. Tegra drivers: Several cleanups (dev_err_probe(), error messages).
2. Renesas RPC IF: Add system suspend support.
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Merge tag 'memory-controller-drv-6.19-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl into soc/drivers
Memory controller drivers for v6.19
1. Tegra drivers: Several cleanups (dev_err_probe(), error messages).
2. Renesas RPC IF: Add system suspend support.
* tag 'memory-controller-drv-6.19-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl:
memory: tegra186-emc: Fix missing put_bpmp
memory: renesas-rpc-if: Add suspend/resume support
memory: tegra30-emc: Add the SoC model prefix to functions
memory: tegra20-emc: Add the SoC model prefix to functions
memory: tegra186-emc: Add the SoC model prefix to functions
memory: tegra124-emc: Add the SoC model prefix to functions
memory: tegra124-emc: Simplify and handle deferred probe with dev_err_probe()
memory: tegra186-emc: Simplify and handle deferred probe with dev_err_probe()
memory: tegra20-emc: Simplify and handle deferred probe with dev_err_probe()
memory: tegra30-emc: Simplify and handle deferred probe with dev_err_probe()
memory: tegra30-emc: Do not print error on icc_node_create() failure
memory: tegra20-emc: Do not print error on icc_node_create() failure
memory: tegra186-emc: Do not print error on icc_node_create() failure
memory: tegra124-emc: Do not print error on icc_node_create() failure
memory: tegra124-emc: Simplify return of emc_init()
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Keep the WDTRSTCR.RESBAR2S bit in the default state on R-Car Gen4.
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Merge tag 'renesas-drivers-for-v6.19-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into soc/drivers
Renesas driver updates for v6.19
- Keep the WDTRSTCR.RESBAR2S bit in the default state on R-Car Gen4.
* tag 'renesas-drivers-for-v6.19-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
soc: renesas: rcar-rst: Keep RESBAR2S in default state
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Commit a52ddb98a6 ("memory: tegra186-emc: Simplify and handle deferred
probe with dev_err_probe()") accidently dropped a call to 'put_bpmp' to
release a handle to the BPMP when getting the EMC clock fails. Fix this
by restoring the 'goto put_bpmp' if devm_clk_get() fails.
Fixes: a52ddb98a6 ("memory: tegra186-emc: Simplify and handle deferred probe with dev_err_probe()")
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://patch.msgid.link/20251106190550.1776974-1-jonathanh@nvidia.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Similar to the RK3288, the RK3368 has two different implementations of
the PWM block inside the SoC - the newer ones that we have a driver for
and that is used on every SoC and a previous variant that was likely
left as a fallback if the new one creates problems.
The devicetree is already set up for the new variant, so make sure
we actually use it - similar to the RK3288.
Signed-off-by: Heiko Stuebner <heiko.stuebner@cherry.de>
Link: https://patch.msgid.link/20251021074254.87065-4-heiko@sntech.de
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Add USB wake events for Tegra234 so that system can be woken up from
suspend when USB devices hot-plug/unplug event is detected.
Signed-off-by: Haotien Hsu <haotienh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Make sure to drop the reference taken to the AHB platform device when
looking up its driver data while enabling the SMMU.
Note that holding a reference to a device does not prevent its driver
data from going away.
Fixes: 89c788bab1 ("ARM: tegra: Add SMMU enabler in AHB")
Cc: stable@vger.kernel.org # 3.5
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The "aotog" is an optional aperture, so if that aperture is not defined
for a given device, then initialise the 'aotag' pointer to NULL instead
of returning an error. Note that the PMC driver will not use 'aotag'
pointer if initialised to NULL.
Co-developed-by: Shardar Mohammed <smohammed@nvidia.com>
Signed-off-by: Shardar Mohammed <smohammed@nvidia.com>
Signed-off-by: Prathamesh Shete <pshete@nvidia.com>
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The Jetson Nano series of modules only have 2 EMC table entries,
different from other SoC SKUs. As the EMC driver uses the SoC speedo ID
to populate the EMC OPP tables, add a new speedo ID to uniquely identify
this.
Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Existing code only sets CPU and GPU speedo IDs 0 and 1. The CPU DVFS
code supports 11 IDs and nouveau supports 5. This aligns with what the
downstream vendor kernel supports. Align SKUs with the downstream list.
The Tegra210 CVB tables were added in the first referenced fixes commit.
Since then, all Tegra210 SoCs have tried to scale to 1.9 GHz, when the
supported devkits are only supposed to scale to 1.5 or 1.7 GHZ.
Overclocking should not be the default state.
Fixes: 2b2dbc2f94 ("clk: tegra: dfll: add CVB tables for Tegra210")
Fixes: 579db6e5d9 ("arm64: tegra: Enable DFLL support on Jetson Nano")
Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
On Tegra platforms using ACPI, the SMCCC driver already registers the
SoC device. This makes the registration performed by the Tegra fuse
driver redundant.
When booted via ACPI, skip registering the SoC device and suppress
printing SKU information from the Tegra fuse driver, as this information
is already provided by the SMCCC driver.
Fixes: 972167c690 ("soc/tegra: fuse: Add ACPI support for Tegra194 and Tegra234")
Cc: stable@vger.kernel.org
Signed-off-by: Kartik Rajput <kkartik@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Several drivers can benefit from registering per-instance data along
with the syscore operations. To achieve this, move the modifiable fields
out of the syscore_ops structure and into a separate struct syscore that
can be registered with the framework. Add a void * driver data field for
drivers to store contextual data that will be passed to the syscore ops.
Acked-by: Rafael J. Wysocki (Intel) <rafael@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Not all system controller registers are accessible from Linux. Accessing
such registers generates synchronous external abort. Populate the
readable_reg and writeable_reg members of the regmap config to inform the
regmap core which registers can be accessed. The list will need to be
updated whenever new system controller functionality is exported through
regmap.
Fixes: 2da2740fb9 ("soc: renesas: rz-sysc: Add syscon/regmap support")
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20251105070526.264445-3-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Add support for Partial-IO poweroff. In Partial-IO pins of a few
hardware units can generate system wakeups while DDR memory is not
powered resulting in a fresh boot of the system. These hardware units in
the SoC are always powered so that some logic can detect pin activity.
If the system supports Partial-IO as described in the fw capabilities, a
sys_off handler is added. This sys_off handler decides if the poweroff
is executed by entering normal poweroff or Partial-IO instead. The
decision is made by checking if wakeup is enabled on all devices that
may wake up the SoC from Partial-IO.
The possible wakeup devices are found by checking which devices
reference a "Partial-IO" system state in the list of wakeup-source
system states. Only devices that are actually enabled by the user will
be considered as an active wakeup source. If none of the wakeup sources
is enabled the system will do a normal poweroff. If at least one wakeup
source is enabled it will instead send a TI_SCI_MSG_PREPARE_SLEEP
message from the sys_off handler. Sending this message will result in an
immediate shutdown of the system. No execution is expected after this
point. The code will wait for 5s and do an emergency_restart afterwards
if Partial-IO wasn't entered at that point.
A short documentation about Partial-IO can be found in section 6.2.4.5
of the TRM at
https://www.ti.com/lit/pdf/spruiv7
Signed-off-by: Markus Schneider-Pargmann (TI.com) <msp@baylibre.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Reviewed-by: Kendall Willis <k-willis@ti.com>
Reviewed-by: Sebin Francis <sebin.francis@ti.com>
Link: https://patch.msgid.link/20251103-topic-am62-partialio-v6-12-b4-v10-2-0557e858d747@baylibre.com
Signed-off-by: Nishanth Menon <nm@ti.com>
Check the header flags if an response is expected or not. If it is not
expected skip the receive part of ti_sci_do_xfer(). This prepares the
driver for one-way messages as prepare_sleep for Partial-IO.
Reviewed-by: Kendall Willis <k-willis@ti.com>
Signed-off-by: Markus Schneider-Pargmann (TI.com) <msp@baylibre.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Reviewed-by: Sebin Francis <sebin.francis@ti.com>
Link: https://patch.msgid.link/20251103-topic-am62-partialio-v6-12-b4-v10-1-0557e858d747@baylibre.com
Signed-off-by: Nishanth Menon <nm@ti.com>
In the 'mdt_loader.h' header, both the prototype and the inline
version of the qcom_mdt_load() function uses 'fw_name' as name for
the firmware name parameter. Additionally, the other qcom_mdt_*
functions are using that as well.
For consistency, rename the 'firmware' parameter in the implementation
of the qcom_mdt_load() to 'fw_name' and update the function accordingly.
No functional changes.
Signed-off-by: Gabor Juhos <j4g8y7@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20251111-mdt-loader-cleanup-v1-2-71afee094dce@gmail.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
The qcom_mdt_load_no_init() function is just a simple wrapper around
of __qcom_mdt_load(). Since commit 0daf35da39 ("soc: qcom: mdt_loader:
Remove pas id parameter") both functions are using the same type of
parameters and providing the same functionality.
Keeping two functions for the same purpose is superfluous, so rename
the __qcom_mdt_load() function to qcom_mdt_load_no_init() and remove
the wrapper.
No functional changes.
Signed-off-by: Gabor Juhos <j4g8y7@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20251111-mdt-loader-cleanup-v1-1-71afee094dce@gmail.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Some of the new field added to socinfo structure with version 21, 22
and 23 which is only used by boot firmware and it is of no use for
Linux.Add reserve field in socinfo so that the structure remain
updated and prepared if we get any new field in future which could
be used by Linux. While at it, also updates switch case for backward
compatibility if the SoC runs with boot firmware which has these
new version added.
Signed-off-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20251104130906.167666-2-mukesh.ojha@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Add support for socinfo version 20. Version 20 adds a new field
package id and its zeroth bit contain information that can be
can be used to tune temperature thresholds on devices which might
be able to withstand higher temperatures. Zeroth bit value 1 means
that its heat dissipation is better and more relaxed thermal
scheme can be put in place and 0 means a more aggressive scheme
may be needed.
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20251104130906.167666-1-mukesh.ojha@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Exynos7870 PMU is already documented in schema. Add Exynos7870's PMU
compatible to the list of nodes which allow a MIPI PHY driver.
Signed-off-by: Kaustabh Chakraborty <kauschluss@disroot.org>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20251031-exynos7870-drm-dts-v4-1-c1f77fb16b87@disroot.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
am33xx.dtsi has the same clock setup as am35xx.dtsi, setting
ti,no-reset-on-init and ti,no-idle on timer1_target and timer2_target,
so AM33 needs the same workaround as AM35 to avoid ti-sysc probe
failing on certain target modules.
Signed-off-by: Matthias Schiffer <matthias.schiffer@tq-group.com>
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/r/20250825131114.2206804-1-alexander.stein@ew.tq-group.com
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
SMEM_IMAGE_VERSION_TABLE contains the version of the first 32 images.
Add images beyond that and read these from SMEM_IMAGE_VERSION_TABLE_2.
Signed-off-by: Kathiravan Thirumoorthy <kathiravan.thirumoorthy@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20251031-image-crm-part2-v2-2-c224c45c381a@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
When a SMEM item is allocated or retrieved, sanity check on the SMEM item
is performed and backtrace is printed if it is invalid. But there is no
benefit in dumping that information in the logs. Lets drop it.
Signed-off-by: Kathiravan Thirumoorthy <kathiravan.thirumoorthy@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20251031-image-crm-part2-v2-1-c224c45c381a@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Add the ubwc configuration for Kaanapali chipset. This chipset brings
support for UBWC v6 version. The rest of the configurations remains
as usual.
Signed-off-by: Akhil P Oommen <akhilpo@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250930-kaana-gpu-support-v1-1-73530b0700ed@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
HWKM v1 and v2 differ slightly in wrapped key size and the bit fields for
certain status registers and operating mode (legacy or standard).
Add support to select HWKM version based on the major and minor revisions.
Use this HWKM version to select wrapped key size and to configure the bit
fields in registers for operating modes and hardware status.
Support for SCM calls for wrapped keys is being added in the TrustZone for
few SoCs with HWKM v1. Existing check of qcom_scm_has_wrapped_key_support()
API ensures that HWKM is used only if these SCM calls are supported in
TrustZone for that SoC.
Signed-off-by: Neeraj Soni <neeraj.soni@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20251030161012.3391239-1-neeraj.soni@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Prevent calling ti_sci_cmd_set_io_isolation() on firmware
that does not support the IO_ISOLATION capability. Add the
MSG_FLAG_CAPS_IO_ISOLATION capability flag and check it before
attempting to set IO isolation during suspend/resume operations.
Without this check, systems with older firmware may experience
undefined behavior or errors when entering/exiting suspend states.
Fixes: ec24643bdd ("firmware: ti_sci: Add system suspend and resume call")
Signed-off-by: Thomas Richard (TI.com) <thomas.richard@bootlin.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Link: https://patch.msgid.link/20251031-ti-sci-io-isolation-v2-1-60d826b65949@bootlin.com
Signed-off-by: Nishanth Menon <nm@ti.com>
There is currently a problem where, in the specific case of SMEM not
initialized by SBL, any SMEM API wrongly returns PROBE_DEFER
communicating wrong info to any user of this API.
A better way to handle this would be to track the SMEM state and return
a different kind of error than PROBE_DEFER.
Rework the __smem handle to always init it to the error pointer
-EPROBE_DEFER following what is already done by the SMEM API.
If we detect that the SBL didn't initialized SMEM, set the __smem handle
to the error pointer -ENODEV.
Also rework the SMEM API to handle the __smem handle to be an error
pointer and return it appropriately.
This way user of the API can react and return a proper error or use
fallback way for the failing API.
While at it, change the return error when SMEM is not initialized by SBL
also to -ENODEV to make it consistent with the __smem handle and use
dev_err_probe() helper to return the message.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Link: https://lore.kernel.org/r/20251031130835.7953-3-ansuelsmth@gmail.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Add INIT_ERR_PTR() macro to initialize static variables with error
pointers. This might be useful for specific case where there is a static
variable initialized to an error condition and then later set to the
real handle once probe finish/completes.
This is to handle compilation problems like:
error: initializer element is not constant
where ERR_PTR() can't be used.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20251031130835.7953-2-ansuelsmth@gmail.com
[bjorn: Added () suffix on macro references]
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
The hwspinlock acquired via hwspin_lock_request_specific() is not
released on several error paths. This results in resource leakage
when probe fails.
Switch to devm_hwspin_lock_request_specific() to automatically
handle cleanup on probe failure. Remove the manual hwspin_lock_free()
in qcom_smem_remove() as devm handles it automatically.
Fixes: 20bb6c9de1 ("soc: qcom: smem: map only partitions used by local HOST")
Signed-off-by: Haotian Zhang <vulab@iscas.ac.cn>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20251029022733.255-1-vulab@iscas.ac.cn
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Document the Always-on Subsystem side channel on the Glymur SoC.
Signed-off-by: Sibi Sankar <sibi.sankar@oss.qualcomm.com>
Signed-off-by: Jingyi Wang <jingyi.wang@oss.qualcomm.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20251022-knp-soc-binding-v2-4-3cd3f390f3e2@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Document the Always-On Subsystem side channel on the Qualcomm Kaanapali
platform for communication with client found on the SoC such as
remoteprocs.
Reviewed-by: Eugen Hristev <eugen.hristev@linaro.org>
Signed-off-by: Jingyi Wang <jingyi.wang@oss.qualcomm.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20251022-knp-soc-binding-v2-2-3cd3f390f3e2@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
The QCS8300 supports UBWC 4.0 and 4 channels LP5 memory interface. Use
the SC8280XP data structure for QCS8300 according to the specification.
Acked-by: Bjorn Andersson <andersson@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20251029-qcs8300_mdss-v13-4-e8c8c4f82da2@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
