Commit Graph

237 Commits

Author SHA1 Message Date
Linus Torvalds
93e4b3076b Char/Misc/IIO/etc driver update for 7.3-rc1
Here is the big set of char, misc, iio, counter, fpga, and other small
 driver subsystems for 7.3-rc1.
 
 Overall, due to some driver removals we only added a bit more code than
 removed, which was a nice change.  Highlights in this merge request are:
   - Loads of IIO driver updates and additions
   - binder driver updates (more on that below...)
   - Removal of the SGI XP and GRU drivers as they are not used anymore
     and turn out to be pretty insecure overall
   - Removal of the obsolete ibmasm driver as it's not being used anymore
   - Coresight driver updates and additions
   - Mei driver udpates
   - Counter driver updates
   - FPGA driver updates
   - ICC driver updates
   - lots and lots of other tiny driver updates to resolve reported
     issues
 
 All of these have been in linux-next for a while, with the only reported
 issues being some major merge conflicts.  Miguel pointed out some of
 these with the Rust tree merge, which is the majority of them.  I'll
 follow up with a diffstat of the merge resolution I made against your
 most recent tree, which works for me.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc/IIO/etc driver updates from Greg KH:
 "Here is the big set of char, misc, iio, counter, fpga, and other small
  driver subsystems for 7.3-rc1.

  Overall, due to some driver removals we only added a bit more code
  than removed, which was a nice change. Highlights in this merge
  request are:

   - Loads of IIO driver updates and additions

   - binder driver updates (more on that below...)

   - Removal of the SGI XP and GRU drivers as they are not used anymore
     and turn out to be pretty insecure overall

   - Removal of the obsolete ibmasm driver as it's not being used
     anymore

   - Coresight driver updates and additions

   - Mei driver udpates

   - Counter driver updates

   - FPGA driver updates

   - ICC driver updates

   - lots and lots of other tiny driver updates to resolve reported
     issues

  All of these have been in linux-next for a while"

* tag 'char-misc-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (513 commits)
  iio: chemical: atlas-sensor: use iio_trigger_poll_nested() to fix remove UAF
  iio: adc: pac1921: fix wrong channel used in trigger handler read
  iio: light: gp2ap002: re-enable irq if runtime suspend fails
  iio: light: gp2ap002: Fix unbalanced runtime PM on repeated event writes
  iio: light: apds9306: fix PM reference leak in apds9306_read_data()
  iio: gyro: mpu3050: fix sign of raw angular velocity readings
  iio: srf04: fix pm_runtime handling on probe error path
  iio: adc: ad4080: configure backend data size
  iio: adc: adi-axi-adc: add data size support for AD408X backend
  iio: chemical: atlas-sensor: fix PM reference leak in buffer postenable
  iio: dac: ad5446: fix OF module device table
  iio: light: opt4001: Fix reversed GENMASK() arguments in fault count mask
  iio: light: opt4001: Reject integration times with a non-zero seconds part
  iio: light: opt4001: Fix incompatible pointer type passed to div_u64_rem()
  iio: light: opt4001: Fix power down clearing bits of the wrong register
  iio: light: opt4060: Fix incorrect register name in threshold read error message
  iio: light: opt4060: Fix pointer type passed to div_u64_rem()
  iio: light: opt4060: Reject integration times with a non-zero seconds part
  iio: light: ltrf216a: fix runtime PM reference leak in error path
  iio: pressure: dps310: fix NULL pointer dereference on ACPI probe
  ...
2026-08-25 09:38:50 -07:00
Yijie Yang
e1c13aed4a dt-bindings: interconnect: qcom-bwmon: Add Maili cpu-bwmon compatible
Add the Qualcomm Maili SoC compatible string for the CPU bandwidth
monitor (BWMONv4). This falls back to the sdm845-bwmon compatible,
consistent with the existing pattern used by other recent SoCs such as
sm8750 and kaanapali.

Signed-off-by: Yijie Yang <yijie.yang@oss.qualcomm.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Jingyi Wang <jingyi.wang@oss.qualcomm.com>
Link: https://patch.msgid.link/20260811-bwmon-v2-1-80f7f150ab9e@oss.qualcomm.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2026-08-15 15:46:52 -05:00
Georgi Djakov
0752296461 Merge branch 'icc-maili' into icc-next
Add interconnect bindings and RPMh-based interconnect driver support for
the upcoming Qualcomm Maili SoC.

* icc-maili
  dt-bindings: interconnect: qcom: document the RPMh Network-On-Chip interconnect in Maili SoC
  interconnect: qcom: add Maili interconnect provider driver

Link: https://patch.msgid.link/20260622-maili_icc-v2-0-18b5ac08c04f@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-07-22 13:51:09 +03:00
Georgi Djakov
d5aee2777e Merge branch 'icc-shikra' into icc-next
Add Epoch Subsystem (EPSS) L3 scaling support on Qualcomm Shikra SoC.
EPSS hardware on Shikra is similar to other SoCs but supports only twelve
L3 frequency entries (LUT). Reading the LUT beyond supported frequencies
can expose incorrect frequencies.
Introduce new compatible to represent this constrained variant of EPSS.

* icc-shikra
  dt-bindings: interconnect: qcom,osm-l3: Add EPSS L3 DT binding for Qualcomm Shikra SoC
  interconnect: qcom: Add EPSS L3 scaling support for Shikra SoC

Link: https://patch.msgid.link/20260603-shikra_epss_l3-v3-0-3c2e0b796e78@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-07-22 13:50:47 +03:00
Sayantan Chakraborty
bcef80df6d dt-bindings: interconnect: qcom-bwmon: Add Shikra cpu-bwmon compatible
Add the Qualcomm Shikra SoC compatible string for the CPU-to-DDR
bandwidth monitor. Shikra has a BWMONv5 for CPU.

Signed-off-by: Sayantan Chakraborty <sayantan.chakraborty@oss.qualcomm.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Komal Bajaj <komal.bajaj@oss.qualcomm.com>
Link: https://patch.msgid.link/20260714-shikra-dt-m1-v6-1-bee265d3499b@oss.qualcomm.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2026-07-14 17:48:51 -05:00
Abel Vesa
59c7950ff8 dt-bindings: interconnect: qcom-bwmon: Document Eliza BWMONs compatible
Document Eliza BWMONs which has a BWMONv4 for CPU-LLCC and a BWMONv5 for
DDR-LLCC paths, same as SM8550.

Signed-off-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260708-bindings-llcc-bwmon-eliza-v1-1-3c7dbcbae87a@oss.qualcomm.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2026-07-14 17:27:06 -05:00
Raviteja Laggyshetty
565de44266 dt-bindings: interconnect: qcom: document the RPMh Network-On-Chip interconnect in Maili SoC
Document the RPMh Network-On-Chip interconnect for the Qualcomm Maili
SoC.

Co-developed-by: Odelu Kukatla <odelu.kukatla@oss.qualcomm.com>
Signed-off-by: Odelu Kukatla <odelu.kukatla@oss.qualcomm.com>
Signed-off-by: Raviteja Laggyshetty <raviteja.laggyshetty@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260622-maili_icc-v2-1-18b5ac08c04f@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-07-07 17:17:44 +03:00
Raviteja Laggyshetty
070c42f9e6 dt-bindings: interconnect: qcom,osm-l3: Add EPSS L3 DT binding for Qualcomm Shikra SoC
Document the EPSS L3 interconnect provider binding for Qualcomm
Shikra SoC.

The Shikra EPSS L3 block is similar to existing Qualcomm EPSS/OSM L3
providers, but supports only up to 12 frequency lookup table entries.

Co-developed-by: Odelu Kukatla <odelu.kukatla@oss.qualcomm.com>
Signed-off-by: Odelu Kukatla <odelu.kukatla@oss.qualcomm.com>
Signed-off-by: Raviteja Laggyshetty <raviteja.laggyshetty@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260603-shikra_epss_l3-v3-1-3c2e0b796e78@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-07-07 17:06:40 +03:00
Georgi Djakov
3b828034ad Merge branch 'icc-x1e80100' into icc-next
This series enables QoS configuration for QNOC type device which
can be found on X1E80100 platform. It enables QoS configuration
for master ports with predefined priority and urgency forwarding.
This helps in prioritizing the traffic originating from different
interconnect masters at NOC (Network On Chip).

The system may function normally without this feature. However,
enabling QoS helps optimize latency and bandwidth across subsystems
like CPU, GPU, and multimedia engines, which becomes important in
high-throughput scenarios. This is a feature aimed at performance
enhancement to improve system performance under concurrent workloads.

* icc-x1e80100
  dt-bindings: interconnect: qcom,x1e80100-rpmh: add clocks property to enable QoS
  interconnect: qcom: x1e80100: enable QoS configuration

Link: https://patch.msgid.link/20260527-x1e80100_qos-v2-0-305c6539e6d2@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-07-07 16:32:56 +03:00
Raviteja Laggyshetty
b09a9fc466 dt-bindings: interconnect: qcom,x1e80100-rpmh: add clocks property to enable QoS
Some interconnect nodes on X1E80100 have QoS registers located inside
a block whose interface is clock-gated. For those nodes, driver
must enable the corresponding clock(s) before accessing the
registers. Add the 'clocks' property so the driver can obtain
and enable the required clock(s).

Only interconnects that have clock-gated QoS register interface
use this property; it is not applicable to all interconnect nodes.

Signed-off-by: Raviteja Laggyshetty <raviteja.laggyshetty@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260527-x1e80100_qos-v2-1-305c6539e6d2@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-07-07 16:32:00 +03:00
Xilin Wu
2c12d05d86 dt-bindings: interconnect: qcom,sc8280xp-rpmh: Add reg and clocks for QoS
Add the register range and clock properties needed for programming NoC QoS
configuration on SC8280XP.

Require a register range for the real NoC providers, require QoS clocks for
aggre1_noc and aggre2_noc, and keep the virtual clk_virt and mc_virt
providers without MMIO resources or clocks.

Signed-off-by: Xilin Wu <sophon@radxa.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260507-sc8280xp-qos-v1-1-15135858cd98@radxa.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-07-07 14:54:19 +03:00
Krzysztof Kozlowski
5de561db57 dt-bindings: Drop incorrect usage of double '::'
There is no use of double colon '::' in YAML. OTOH, the literal style
block, e.g. using '|' treats all characters as content [1] therefore
single use of ':' in descriptions is perfectly fine, whenever '|' is
used.

Cleanup existing code, so the confusing style won't be re-used in new
contributions.

Link: https://yaml.org/spec/1.2.2/#literal-style [1]
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Alim Akhtar <alim.akhtar@samsung.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> # renesas
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Acked-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://patch.msgid.link/20260623054842.21831-4-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2026-06-30 08:14:15 -05:00
Georgi Djakov
94fe92d2f6 Merge branch 'icc-misc' into icc-next
* icc-misc
  interconnect: Do not create empty devres on missing interconnects
  interconnect: Move MODULE_DEVICE_TABLE next to the table itself
  dt-bindings: interconnect: qcom,sdm660: Disallow clocks when appropriate
  dt-bindings: interconnect: qcom,sm6115: Drop incorrect children if:then: block
  dt-bindings: interconnect: qcom,sm6115: Restrict children and clocks
  interconnect: qcom: Fix indentation
  interconnect: qcom: Restrict drivers per ARM/ARM64

Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-05-22 10:41:01 +03:00
Georgi Djakov
0d0a40e3f8 Merge branch 'icc-hawi' into icc-next
Add interconnect bindings and RPMh-based interconnect
driver support for the upcoming Qualcomm Hawi SoC.

* icc-hawi
  dt-bindings: interconnect: qcom-bwmon: Add Hawi cpu-bwmon compatible
  dt-bindings: interconnect: qcom-bwmon: Add Hawi llcc-bwmon compatible
  dt-bindings: interconnect: qcom: document the RPMh NoC for Hawi SoC
  interconnect: qcom: add Hawi interconnect provider driver

Link: https://patch.msgid.link/20260506-icc-hawi-v4-0-35447fdc482b@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-05-21 22:52:10 +03:00
Vivek Aknurwar
07548b04dc dt-bindings: interconnect: qcom: document the RPMh NoC for Hawi SoC
Document the RPMh Network-On-Chip interconnect for the Qualcomm Hawi SoC.

Reviewed-by: Mike Tipton <mike.tipton@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Vivek Aknurwar <vivek.aknurwar@oss.qualcomm.com>
Link: https://patch.msgid.link/20260506-icc-hawi-v4-1-35447fdc482b@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-05-21 22:51:30 +03:00
Mukesh Ojha
e15836e4aa dt-bindings: interconnect: qcom-bwmon: Add Hawi llcc-bwmon compatible
Document BWMONv5 instance present on Hawi SoC for monitoring bandwidth
LLCC to DDR.

Signed-off-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
Link: https://patch.msgid.link/20260520122219.2372694-1-mukesh.ojha@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-05-21 22:50:55 +03:00
Georgi Djakov
21f951515a Merge branch 'icc-nord' into icc-next
This adds RPMh-based interconnect support for the Qualcomm Nord SoC.

The Nord SoC features a rich Network-on-Chip topology comprising 19 NoCs
including aggregate NoCs, a high-speed configuration NoC (HSCNOC), a
multimedia NoC, four NSP data NoCs for AI/ML workloads, PCIe inbound and
outbound NoCs, a system NoC, and virtual clock/MC nodes. Bandwidth requests
are communicated to the RPMh hardware through Bus Clock Manager (BCM)
resources via the Resource State Coordinator (RSC).

* icc-nord
  dt-bindings: interconnect: Document RPMh Network-On-Chip for Qualcomm Nord SoC
  interconnect: qcom: Add interconnect provider driver for Nord SoC

Link: https://patch.msgid.link/20260510020607.1129773-1-shengchao.guo@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-05-21 20:57:37 +03:00
Krzysztof Kozlowski
401af0eb27 dt-bindings: interconnect: qcom,sm6115: Restrict children and clocks
Some interconnect devices described in the binding have children and
some have clocks.  The devices which do not have them, should have this
restricted (disallowed).

qcom,sm6115-cnoc has a clock, thus also extend the example to be
complete for this device.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://patch.msgid.link/20260503161653.60785-6-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-05-10 12:35:29 +03:00
Krzysztof Kozlowski
59eff26d62 dt-bindings: interconnect: qcom,sm6115: Drop incorrect children if:then: block
This binding has children, so any if:then: block restricting them,
cannot be defined in top-level allOf:if:then:properties:, because it
simply does not match these children.  The block, if it was useful,
should be defined within patternProperties for the children, however
since child nodes do not have clocks at all, there is little point in
disallowing them in the first place.

Remove completely redundant and ineffective piece of code.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260503161653.60785-5-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-05-10 12:34:59 +03:00
Krzysztof Kozlowski
5fd68a0120 dt-bindings: interconnect: qcom,sdm660: Disallow clocks when appropriate
Only qcom,sdm660-mnoc and qcom,sdm660-a2noc devices from what is covered
by this binding have clocks.  Others do not, so restrict the schema to
be more accurate.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260503161653.60785-4-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-05-10 12:34:23 +03:00
Mukesh Ojha
a8f6774070 dt-bindings: interconnect: qcom-bwmon: Add Hawi cpu-bwmon compatible
Add the Qualcomm Hawi SoC compatible string for the CPU bandwidth
monitor and there is single instance present globally to monitor
the traffic from CPU to LLCC.

Signed-off-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260427182255.3649922-1-mukesh.ojha@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-05-10 12:19:51 +03:00
Odelu Kukatla
8d315860b5 dt-bindings: interconnect: Document RPMh Network-On-Chip for Qualcomm Nord SoC
Add RPMh Network-On-Chip interconnect bindings for Qualcomm Nord SoC.

Signed-off-by: Odelu Kukatla <odelu.kukatla@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com>
Link: https://patch.msgid.link/20260510020607.1129773-2-shengchao.guo@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-05-10 12:12:04 +03:00
Raviteja Laggyshetty
0f90f883b3 dt-bindings: interconnect: document the RPM Network-On-Chip interconnect in Shikra SoC
Document the RPM Network-On-Chip Interconnect for the Qualcomm
Shikra platform.

Co-developed-by: Odelu Kukatla <odelu.kukatla@oss.qualcomm.com>
Signed-off-by: Odelu Kukatla <odelu.kukatla@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Raviteja Laggyshetty <raviteja.laggyshetty@oss.qualcomm.com>
Link: https://patch.msgid.link/20260505-shikra_icc-v3-1-8e03ff27c007@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-05-10 12:11:05 +03:00
Georgi Djakov
be0df73d5f Merge branch 'icc-msm8974' into icc-next
Commit d6edc31f3a ("clk: qcom: smd-rpm: Separate out interconnect bus
clocks") moved control over several RPM resources from the clk-smd-rpm
driver to the icc-rpm.c interconnect helpers. Most of the platforms were
fixed before that commit or shortly after. However the MSM8974 was left
as a foster child in broken state. Fix the loose ends and reenable
interconnects on that platform.

* icc-msm8974
  dt-bindings: interconnect: qcom,msm8974: drop bus clocks
  dt-bindings: interconnect: qcom,msm8974: use qcom,rpm-common
  interconnect: qcom: drop unused is_on flag
  interconnect: qcom: icc-rpm: allow overwriting get_bw callback
  interconnect: qcom: define OCMEM bus resource
  interconnect: qcom: let platforms declare their bugginess
  interconnect: qcom: msm8974: switch to the main icc-rpm driver
  interconnect: qcom: msm8974: expand DEFINE_QNODE macros

Link: https://msgid.link/20260324-msm8974-icc-v2-0-527280043ad8@oss.qualcomm.com
Tested-by: Alexandre Messier <alex@me.ssier.org>
Tested-by: Luca Weiss <luca.weiss@fairphone.com> # fairphone-fp2
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-03-27 12:12:36 +02:00
Dmitry Baryshkov
199363ed2f dt-bindings: interconnect: qcom,msm8974: use qcom,rpm-common
Use qcom,rpm-common schema to declare interconnects property instead
describing it again. In future this will allow the platform to switch to
the two-cell interconnects, adding the tag to the specification.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://msgid.link/20260324-msm8974-icc-v2-2-527280043ad8@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-03-26 20:09:13 +02:00
Dmitry Baryshkov
f64f37521c dt-bindings: interconnect: qcom,msm8974: drop bus clocks
Remove the wrong internal RPM bus clock representation that we've been
carrying for years. They are an internal part of the interconnect
fabric. They are not exported by any device and are not supposed to be
used.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://msgid.link/20260324-msm8974-icc-v2-1-527280043ad8@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-03-26 20:08:56 +02:00
Georgi Djakov
9bc3b976eb Merge branch 'icc-qcs615' into icc-next
This series enables QoS configuration for QNOC type device which
can be found on QCS615 platform. It enables QoS configuration
for master ports with predefined priority and urgency forwarding.
This helps in prioritizing the traffic originating from different
interconnect masters at NOC (Network On Chip).

The system may function normally without this feature. However,
enabling QoS helps optimize latency and bandwidth across subsystems
like CPU, GPU, and multimedia engines, which becomes important in
high-throughput scenarios. This is a feature aimed at performance
enhancement to improve system performance under concurrent workloads.

* icc-qcs615
  dt-bindings: interconnect: qcom,qcs615-rpmh: add clocks property to enable QoS
  interconnect: qcom: qcs615: enable QoS configuration

Link: https://msgid.link/20260311103548.1823044-1-odelu.kukatla@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-03-17 12:57:00 +02:00
Odelu Kukatla
e07f3b8c9e dt-bindings: interconnect: qcom,qcs615-rpmh: add clocks property to enable QoS
Aggre1-noc interconnect node on QCS615 has QoS registers located
inside a block whose interface is clock-gated. Accessing these
registers requires the corresponding clock(s) to be enabled.
Update the bindings to include the 'clocks' property.

Ensure that only aggre1-noc interconnect node uses this property
by explicitly forbidding it for all other interconnect nodes.

Signed-off-by: Odelu Kukatla <odelu.kukatla@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://msgid.link/20260311103548.1823044-2-odelu.kukatla@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-03-17 12:42:42 +02:00
Georgi Djakov
3e90f5103a Merge branch 'icc-qcs8300' into icc-next
This series enables QoS configuration for QNOC type device which
can be found on QCS8300 platform. It enables QoS configuration
for master ports with predefined priority and urgency forwarding.
This helps in prioritizing the traffic originating from different
interconnect masters at NOC (Network On Chip).
The system may function normally without this feature. However,
enabling QoS helps optimize latency and bandwidth across subsystems
like CPU, GPU, and multimedia engines, which becomes important in
high-throughput scenarios. This is a feature aimed at performance
enhancement to improve system performance under concurrent workloads.

* icc-qcs8300
  dt-bindings: interconnect: qcom,qcs8300-rpmh: add clocks property to enable QoS
  interconnect: qcom: qcs8300: enable QoS configuration

Link: https://msgid.link/20260127090116.1438780-1-odelu.kukatla@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-03-06 14:39:37 +02:00
Georgi Djakov
086502e935 Merge branch 'icc-mahua' into icc-next
Mahua is a derivative of the Glymur SoC and shares a significant
portion of its interconnect topology with Glymur. As such, this
series extends the existing Glymur interconnect driver to support
Mahua, reusing common definitions where possible and adding
SoC-specific configurations where necessary.

* icc-mahua
  dt-bindings: interconnect: document the RPMh Network-On-Chip interconnect in Mahua SoC
  interconnect: qcom: glymur: Add Mahua SoC support

Link: https://msgid.link/20260209-mahua_icc-v3-0-c65f3dfd72c8@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-03-06 14:38:48 +02:00
Georgi Djakov
b6adc224b7 Merge branch 'icc-eliza' into icc-next
Add interconnect support for the Qualcomm Eliza SoC.

* icc-eliza
  dt-bindings: interconnect: document the RPMh Network-On-Chip interconnect in Eliza SoC
  interconnect: qcom: Add Eliza interconnect provider driver
  dt-bindings: interconnect: OSM L3: Add Eliza EPSS L3 compatible

Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-03-06 14:37:35 +02:00
Odelu Kukatla
8300438dc4 dt-bindings: interconnect: document the RPMh Network-On-Chip interconnect in Eliza SoC
Document the RPMh Network-On-Chip Interconnect of the Eliza platform.

Signed-off-by: Odelu Kukatla <odelu.kukatla@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
Link: https://msgid.link/20260224-eliza-interconnect-v4-1-ad75855d5018@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-03-06 14:32:11 +02:00
Abel Vesa
ae66be5936 dt-bindings: interconnect: OSM L3: Add Eliza EPSS L3 compatible
Eliza, similarly to SM8650, uses EPSS hardware for L3 scaling.
Document it.

Signed-off-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://msgid.link/20260302-eliza-bindings-interconnect-epss-l3-v2-1-05b1848b98cc@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-03-06 14:32:10 +02:00
Krzysztof Kozlowski
7245b2ad0a dt-bindings: interconnect: qcom,glymur-rpmh: De-acronymize SoC name
Glymur is a codename of Qualcomm SoC, not an acronym.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Taniya Das <taniya.das@oss.qualcomm.com>
Link: https://msgid.link/20260217130035.281752-3-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-03-06 14:24:19 +02:00
Aaron Kling
fee48405a0 dt-bindings: interconnect: OSM L3: Document sm8550 OSM L3 compatible
Document the OSM L3 found in the Qualcomm SM8550 platform.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
Link: https://msgid.link/20260219-sm8550-ddr-bw-scaling-v3-1-75c19152e921@gmail.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-03-06 14:21:58 +02:00
Odelu Kukatla
28a70e7939 dt-bindings: interconnect: qcom,qcs8300-rpmh: add clocks property to enable QoS
Some QCS8300 interconnect nodes have QoS registers located inside
a block whose interface is clock-gated. For those nodes, driver
must enable the corresponding clock(s) before accessing the
registers. Add the 'clocks' property so the driver can obtain
and enable the required clock(s).

Only interconnects that have clock‑gated QoS register interface
use this property; it is not applicable to all interconnect nodes.

Signed-off-by: Odelu Kukatla <odelu.kukatla@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://msgid.link/20260127090116.1438780-2-odelu.kukatla@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-03-06 14:05:23 +02:00
Raviteja Laggyshetty
43cb0a21a4 dt-bindings: interconnect: document the RPMh Network-On-Chip interconnect in Mahua SoC
Document the RPMh Network-on-Chip (NoC) interconnect for the Qualcomm
Mahua platform.

Mahua is a derivative of the Glymur SoC. Many interconnect nodes are
identical and continue to use Glymur fallback compatibles. Mahua
introduces SoC-specific configurations and topologies for several
NoC blocks, including CNOC, HSCNOC, PCIe West ANoC/Slave NoCs.
This updates the existing Glymur yaml schema to include Mahua-specific
compatible strings, using two-cell "fallback" compatibles wherever
the hardware is identical with Glymur.

Co-developed-by: Odelu Kukatla <odelu.kukatla@oss.qualcomm.com>
Signed-off-by: Odelu Kukatla <odelu.kukatla@oss.qualcomm.com>
Acked-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Raviteja Laggyshetty <raviteja.laggyshetty@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://msgid.link/20260209-mahua_icc-v3-1-c65f3dfd72c8@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-03-06 13:57:16 +02:00
Greg Kroah-Hartman
96657eb5ab interconnect changes for 6.20
This pull request contains the interconnect changes for the 6.20-rc1
 merge window. The core and driver changes are listed below.
 
 Core changes:
 - Add KUnit tests for core functionality
 
 Driver changes:
 - New driver for MediaTek MT8196 EMI
 - MediaTek driver fixes
 - Support for Glymur BWMONs
 - QCS8300 driver topology fix
 - Misc cleanups
 
 Signed-off-by: Georgi Djakov <djakov@kernel.org>
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Merge tag 'icc-6.20-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/djakov/icc into char-misc-next

Georgi writes:

interconnect changes for 6.20

This pull request contains the interconnect changes for the 6.20-rc1
merge window. The core and driver changes are listed below.

Core changes:
- Add KUnit tests for core functionality

Driver changes:
- New driver for MediaTek MT8196 EMI
- MediaTek driver fixes
- Support for Glymur BWMONs
- QCS8300 driver topology fix
- Misc cleanups

Signed-off-by: Georgi Djakov <djakov@kernel.org>

* tag 'icc-6.20-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/djakov/icc:
  interconnect: qcom: msm8974: drop duplicated RPM_BUS_{MASTER,SLAVE}_REQ defines
  interconnect: qcom: smd-rpm: drop duplicated QCOM_RPM_SMD_KEY_RATE define
  dt-bindings: interconnect: qcom-bwmon: Document Glymur BWMONs
  interconnect: qcom: qcs8300: fix the num_links for nsp icc node
  interconnect: Add kunit tests for core functionality
  dt-bindings: interconnect: qcom,qcs615-rpmh: Drop IPA interconnects
  interconnect: mediatek: Aggregate bandwidth with saturating add
  interconnect: mediatek: Don't hijack parent device
  interconnect: mediatek: Add support for MediaTek MT8196 EMI ICC
  dt-bindings: interconnect: mt8183-emi: Add support for MT8196 EMI
2026-01-30 16:46:45 +01:00
Pragnesh Papaniya
cd796ca8b8 dt-bindings: interconnect: qcom-bwmon: Document Glymur BWMONs
Document Glymur BWMONs, which has multiple (one per cluster) BWMONv4
instances for the CPU->DDR path.

Signed-off-by: Pragnesh Papaniya <pragnesh.papaniya@oss.qualcomm.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260120-glymur_bwmon_binding-v1-1-57848445eccf@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-01-21 11:50:16 +02:00
Georgi Djakov
dba6f54a05 Merge branch 'icc-mtk' into icc-next
This series is a combination of binding changes, driver cleanups and new
driver code to enable the interconnect on the MediaTek MT8196 SoC.

* icc-mtk
  dt-bindings: interconnect: mt8183-emi: Add support for MT8196 EMI
  interconnect: mediatek: Add support for MediaTek MT8196 EMI ICC
  interconnect: mediatek: Don't hijack parent device
  interconnect: mediatek: Aggregate bandwidth with saturating add

Link: https://lore.kernel.org/r/20251124-mt8196-dvfsrc-v2-0-d9c1334db9f3@collabora.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-01-13 16:19:34 +02:00
Konrad Dybcio
a3e2ea7935 dt-bindings: interconnect: qcom,qcs615-rpmh: Drop IPA interconnects
This has been agreed to be characterized as a clock resource, not an
interconnect provider. Bring QCS615 in line with the expectation.

Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250627-topic-qcs615_icc_ipa-v1-3-dc47596cde69@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2026-01-13 16:17:08 +02:00
AngeloGioacchino Del Regno
dee49a1860 dt-bindings: interconnect: mt8183-emi: Add support for MT8196 EMI
Add a new compatible for the External Memory Interface Interconnect
found on the MediaTek MT8196 Chromebook SoC.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Link: https://lore.kernel.org/r/20251124-mt8196-dvfsrc-v2-3-d9c1334db9f3@collabora.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2025-12-21 13:58:39 +02:00
Krzysztof Kozlowski
472100721b dt-bindings: interconnect: qcom,sa8775p-rpmh: Fix incorrectly added reg and clocks
Commit 8a55fbe4c9 ("dt-bindings: interconnect: add reg and clocks
properties to enable QoS on sa8775p") claims that all interconnects have
clocks and MMIO address space, but that is just not true.  Only few
have.  Bindings should restrict properties and should not allow
specifying non-existing hardware description, so fix missing constraints
for 'reg' and 'clocks'.

Fixes: 8a55fbe4c9 ("dt-bindings: interconnect: add reg and clocks properties to enable QoS on sa8775p")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20251129094612.16838-2-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2025-12-19 10:47:13 +02:00
Linus Torvalds
83bd89291f Char/Misc/IIO driver updates for 6.19-rc1
Here is the big set of char/misc/iio driver updates for 6.19-rc1.  Lots
 of stuff in here including:
   - lots of IIO driver updates, cleanups, and additions.
   - large interconnect driver changes as they get converted over to a
     dynamic system of ids
   - coresight driver updates
   - mwave driver updates
   - binder driver updates and changes
   - comedi driver fixes now that the fuzzers are being set loose on them
   - nvmem driver updates
   - new uio driver addition
   - lots of other small char/misc driver updates, full details in the
     shortlog
 
 All of these have been in linux-next for a while now, with no reported
 issues other than a merge conflict with your tree that should be trivial
 to handle (take both sides).
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc/IIO driver updates from Greg KH:
 "Here is the big set of char/misc/iio driver updates for 6.19-rc1. Lots
  of stuff in here including:

   - lots of IIO driver updates, cleanups, and additions

   - large interconnect driver changes as they get converted over to a
     dynamic system of ids

   - coresight driver updates

   - mwave driver updates

   - binder driver updates and changes

   - comedi driver fixes now that the fuzzers are being set loose on
     them

   - nvmem driver updates

   - new uio driver addition

   - lots of other small char/misc driver updates, full details in the
     shortlog

  All of these have been in linux-next for a while now"

* tag 'char-misc-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (304 commits)
  char: applicom: fix NULL pointer dereference in ac_ioctl
  hangcheck-timer: fix coding style spacing
  hangcheck-timer: Replace %Ld with %lld
  hangcheck-timer: replace printk(KERN_CRIT) with pr_crit
  uio: Add SVA support for PCI devices via uio_pci_generic_sva.c
  dt-bindings: slimbus: fix warning from example
  intel_th: Fix error handling in intel_th_output_open
  misc: rp1: Fix an error handling path in rp1_probe()
  char: xillybus: add WQ_UNBOUND to alloc_workqueue users
  misc: bh1770glc: use pm_runtime_resume_and_get() in power_state_store
  misc: cb710: Fix a NULL vs IS_ERR() check in probe()
  mux: mmio: Add suspend and resume support
  virt: acrn: split acrn_mmio_dev_res out of acrn_mmiodev
  greybus: gb-beagleplay: Fix timeout handling in bootloader functions
  greybus: add WQ_PERCPU to alloc_workqueue users
  char/mwave: drop typedefs
  char/mwave: drop printk wrapper
  char/mwave: remove printk tracing
  char/mwave: remove unneeded fops
  char/mwave: remove MWAVE_FUTZ_WITH_OTHER_DEVICES ifdeffery
  ...
2025-12-06 18:34:24 -08:00
Luca Weiss
dfb1717308 dt-bindings: interconnect: qcom,sm6350-rpmh: Add clocks for QoS
Add the clocks for some interconnects to the bindings that are required
to set up the QoS correctly. Update one of the examples to aggre2_noc to
have an example with clocks.

Also while we're at it, remove #interconnect-cells: true as that's
already provided from qcom,rpmh-common.yaml.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Link: https://lore.kernel.org/r/20251114-sm6350-icc-qos-v2-1-6af348cb9c69@fairphone.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2025-11-19 16:03:00 +02:00
Georgi Djakov
d32e1c2dcc Merge branch 'icc-kaanapali' into icc-next
Add interconnect dt-bindings and driver support for Qualcomm Kaanapali SoC.

* icc-kaanapali
  dt-bindings: interconnect: document the RPMh Network-On-Chip interconnect in Kaanapali SoC
  interconnect: qcom: add Kaanapali interconnect provider driver
  dt-bindings: interconnect: qcom-bwmon: Document Kaanapali BWMONs

Link: https://lore.kernel.org/r/20251031-knp-interconnect-v4-0-568bba2cb3e5@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2025-11-19 01:24:58 +02:00
Amir Vajid
6e38a225fc dt-bindings: interconnect: qcom-bwmon: Document Kaanapali BWMONs
Document the Kaanapali BWMONs, which have one instance per
cluster of BWMONv4.

Signed-off-by: Amir Vajid <amir.vajid@oss.qualcomm.com>
Signed-off-by: Jingyi Wang <jingyi.wang@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250924-knp-bwmon-v1-1-56a9cdda7d72@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2025-11-19 01:22:33 +02:00
Rob Herring (Arm)
0b2333183a dt-bindings: Remove extra blank lines
Generally at most 1 blank line is the standard style for DT schema
files. Remove the few cases with more than 1 so that the yamllint check
for this can be enabled.

Acked-by: Lee Jones <lee@kernel.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> # remoteproc
Acked-by: Georgi Djakov <djakov@kernel.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Andi Shyti <andi.shyti@kernel.org>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Uwe Kleine-König <ukleinek@kernel.org> # for allwinner,sun4i-a10-pwm.yaml
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com> # mtd
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Manivannan Sadhasivam <mani@kernel.org> # For PCI controller bindings
Link: https://patch.msgid.link/20251023143957.2899600-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:50 -06:00
Krzysztof Kozlowski
bcc357c8e0 dt-bindings: Update Krzysztof Kozlowski's email
Update Krzysztof Kozlowski's email address to kernel.org account to stay
reachable.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251021095354.86455-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-11-17 11:24:50 -06:00
Raviteja Laggyshetty
7463f5ad36 dt-bindings: interconnect: document the RPMh Network-On-Chip interconnect in Kaanapali SoC
Document the RPMh Network-On-Chip Interconnect of the Kaanapali platform.

Co-developed-by: Odelu Kukatla <odelu.kukatla@oss.qualcomm.com>
Signed-off-by: Odelu Kukatla <odelu.kukatla@oss.qualcomm.com>
Signed-off-by: Raviteja Laggyshetty <raviteja.laggyshetty@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20251031-knp-interconnect-v4-1-568bba2cb3e5@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2025-10-31 16:04:04 +02:00