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Message-Id: <176425385464.79996.16817084593997529435.robh@kernel.org>
Date: Thu, 27 Nov 2025 08:30:54 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Jishnu Prakash <jishnu.prakash@....qualcomm.com>
Cc: stephan.gerhold@...aro.org, subbaraman.narayanamurthy@....qualcomm.com,
rafael@...nel.org, linux-kernel@...r.kernel.org,
krzysztof.kozlowski@...aro.org, sboyd@...nel.org, linux-pm@...r.kernel.org,
anjelique.melendez@....qualcomm.com, linux-iio@...r.kernel.org,
lukasz.luba@....com, neil.armstrong@...aro.org,
david.collins@....qualcomm.com, lumag@...nel.org,
cros-qcom-dts-watchers@...omium.org, rui.zhang@...el.com,
conor+dt@...nel.org, linux-arm-msm@...r.kernel.org,
dmitry.baryshkov@....qualcomm.com, agross@...nel.org, andersson@...nel.org,
daniel.lezcano@...aro.org, quic_kotarake@...cinc.com,
konradybcio@...nel.org, krzk+dt@...nel.org, lee@...nel.org,
thara.gopinath@...il.com, jic23@...nel.org, kamal.wadhwa@....qualcomm.com,
devicetree@...r.kernel.org, amitk@...nel.org
Subject: Re: [PATCH V8] dt-bindings: iio/adc: Move QCOM ADC channel
definitions out of bindings folder
On Thu, 27 Nov 2025 19:09:03 +0530, Jishnu Prakash wrote:
> There are several header files containing QCOM ADC macros for channel names
> right now in the include/dt-bindings/iio folder. Since these are hardware
> constants mostly used in devicetree and not exactly bindings, move the
> files to the arch/arm(64)/boot/dts/qcom folders.
>
> Correct the header file paths in all affected devicetree files to fix
> compilation errors seen with this move. Update documentation files
> similarly to fix dtbinding check errors for the same. Make a copy
> of the header file with constants used in ADC driver files in the
> /include/linux/iio/adc folder and update driver files to use this
> path to include it.
>
> Signed-off-by: Jishnu Prakash <jishnu.prakash@....qualcomm.com>
> ---
> Changes since v7:
> - Based on a discussion with Krzysztof concluded here:
> https://lore.kernel.org/all/d10e2eea-4b86-4e1a-b7a0-54c55907a605@oss.qualcomm.com/,
> moved ADC macro header files to arch/arm(64)/boot/dts/qcom folders. The file
> include/dt-bindings/iio/qcom,spmi-vadc.h is moved to arch/arm/boot/dts/qcom/
> as it is used in both arm and arm64 SoCs and other per-PMIC adc7 header files
> are moved to arch/arm64/boot/dts/qcom.
> - Updated affected devicetree and documentation files based on path changes above.
> - Made a copy of qcom,spmi-vadc.h in /include/linux/iio/adc folder
> for inclusion in ADC driver files and updated affected driver files to use it.
> - Dropped Acked-by tags from Lee, Rob and Jonathan due to these significant changes
> made in latest patch version.
> - Updated some more devicetree files affected by this change.
> - Pushing this as a standalone change separate from ADC5 Gen3 series, as that
> series will no longer depend upon this patch for the location of
> qcom,spmi-vadc.h, as ADC5 Gen3 macros will be added in separate new files.
> - Link to v7: https://lore.kernel.org/all/20250826083657.4005727-2-jishnu.prakash@oss.qualcomm.com/
>
> Changes since v6:
> - Collected Acked-by tag from Jonathan.
>
> Changes since v5:
> - Updated one more devicetree file requiring this change.
> Ran full dt_binding_check and dtbs_check and verified that no
> errors were reported related to this patch.
>
> Mentioning this explicitly as there was an invalid error reported on
> this patch in the last two patch series, from upstream kernel
> automation:
>
> fatal error: dt-bindings/iio/adc/qcom,spmi-vadc.h: No such file or directory
>
> The error is invalid as this file does get added in this patch, in
> previous patch series too.
>
> Links to discussion for same in v5:
> https://lore.kernel.org/all/cc328ade-a05e-4b1d-a8f0-55b18b4a0873@oss.qualcomm.com/
> https://lore.kernel.org/all/9f24e85d-f762-4c29-a58f-ed7652f50919@oss.qualcomm.com/
>
> Links to discussion for same in v4:
> https://lore.kernel.org/all/16aaae04-4fe8-4227-9374-0919960a4ca2@quicinc.com/
>
> Changes since v4:
> - Updated some more devicetree files requiring this change.
>
> Changes since v3:
> - Updated files affected by adc file path change in /arch/arm, which
> were missed earlier. Updated some more new devicetree files requiring
> this change in /arch/arm64.
>
> Changes since v2:
> - Updated some more new devicetree files requiring this change.
> - Collected Acked-by tags from Rob and Lee.
>
> .../bindings/iio/adc/qcom,spmi-vadc.yaml | 4 +-
> .../bindings/mfd/qcom,spmi-pmic.yaml | 2 +-
> .../bindings/thermal/qcom-spmi-adc-tm-hc.yaml | 2 +-
> .../bindings/thermal/qcom-spmi-adc-tm5.yaml | 6 +-
> arch/arm/boot/dts/qcom/pm8226.dtsi | 2 +-
> arch/arm/boot/dts/qcom/pm8941.dtsi | 3 +-
> arch/arm/boot/dts/qcom/pma8084.dtsi | 2 +-
> arch/arm/boot/dts/qcom/pmx55.dtsi | 2 +-
> .../arm/boot/dts/qcom}/qcom,spmi-vadc.h | 0
> arch/arm64/boot/dts/qcom/pm4125.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/pm6125.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/pm6150.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/pm6150l.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/pm660.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/pm660l.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/pm7250b.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/pm8150.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/pm8150b.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/pm8150l.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/pm8916.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/pm8937.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/pm8950.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/pm8953.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/pm8994.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/pm8998.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/pmi632.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/pmi8950.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/pmm8155au_1.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/pmp8074.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/pms405.dtsi | 2 +-
> .../boot/dts/qcom/qcm6490-fairphone-fp5.dts | 4 +-
> .../dts/qcom/qcm6490-particle-tachyon.dts | 4 +-
> .../boot/dts/qcom/qcm6490-shift-otter.dts | 4 +-
> .../boot/dts/qcom}/qcom,spmi-adc7-pm7325.h | 2 +-
> .../boot/dts/qcom}/qcom,spmi-adc7-pm8350.h | 2 +-
> .../boot/dts/qcom}/qcom,spmi-adc7-pm8350b.h | 2 +-
> .../boot/dts/qcom}/qcom,spmi-adc7-pmk8350.h | 2 +-
> .../boot/dts/qcom}/qcom,spmi-adc7-pmr735a.h | 2 +-
> .../boot/dts/qcom}/qcom,spmi-adc7-pmr735b.h | 2 +-
> .../boot/dts/qcom}/qcom,spmi-adc7-smb139x.h | 2 +-
> .../dts/qcom/qcs6490-radxa-dragon-q6a.dts | 4 +-
> arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 4 +-
> arch/arm64/boot/dts/qcom/sc7280-idp.dts | 2 +-
> arch/arm64/boot/dts/qcom/sc7280-idp.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/sc7280-qcard.dtsi | 4 +-
> arch/arm64/boot/dts/qcom/sc8180x-pmics.dtsi | 2 +-
> .../boot/dts/qcom/sc8280xp-huawei-gaokun3.dts | 2 +-
> .../qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 2 +-
> .../dts/qcom/sc8280xp-microsoft-blackrock.dts | 2 +-
> arch/arm64/boot/dts/qcom/sc8280xp-pmics.dtsi | 6 +-
> .../boot/dts/qcom/sm7225-fairphone-fp4.dts | 2 +-
> .../boot/dts/qcom/sm7325-nothing-spacewar.dts | 6 +-
> arch/arm64/boot/dts/qcom/sm8450-hdk.dts | 9 +-
> drivers/iio/adc/qcom-spmi-adc5.c | 3 +-
> drivers/iio/adc/qcom-spmi-vadc.c | 3 +-
> include/linux/iio/adc/qcom,spmi-vadc.h | 303 ++++++++++++++++++
> 56 files changed, 374 insertions(+), 73 deletions(-)
> rename {include/dt-bindings/iio => arch/arm/boot/dts/qcom}/qcom,spmi-vadc.h (100%)
> rename {include/dt-bindings/iio => arch/arm64/boot/dts/qcom}/qcom,spmi-adc7-pm7325.h (98%)
> rename {include/dt-bindings/iio => arch/arm64/boot/dts/qcom}/qcom,spmi-adc7-pm8350.h (98%)
> rename {include/dt-bindings/iio => arch/arm64/boot/dts/qcom}/qcom,spmi-adc7-pm8350b.h (99%)
> rename {include/dt-bindings/iio => arch/arm64/boot/dts/qcom}/qcom,spmi-adc7-pmk8350.h (98%)
> rename {include/dt-bindings/iio => arch/arm64/boot/dts/qcom}/qcom,spmi-adc7-pmr735a.h (96%)
> rename {include/dt-bindings/iio => arch/arm64/boot/dts/qcom}/qcom,spmi-adc7-pmr735b.h (96%)
> rename {include/dt-bindings/iio => arch/arm64/boot/dts/qcom}/qcom,spmi-adc7-smb139x.h (93%)
> create mode 100644 include/linux/iio/adc/qcom,spmi-vadc.h
>
My bot found errors running 'make dt_binding_check' on your patch:
yamllint warnings/errors:
dtschema/dtc warnings/errors:
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/slimbus/slimbus.example.dtb: slim@...80000 (qcom,slim-ngd-v1.5.0): 'audio-codec@1,0' does not match any of the regexes: '^pinctrl-[0-9]+$', '^slim@[0-9a-f]+$'
from schema $id: http://devicetree.org/schemas/slimbus/qcom,slim-ngd.yaml
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/slimbus/slimbus.example.dtb: slim@...80000 (qcom,slim-ngd-v1.5.0): #address-cells: 1 was expected
from schema $id: http://devicetree.org/schemas/slimbus/qcom,slim-ngd.yaml
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/slimbus/slimbus.example.dtb: slim@...80000 (qcom,slim-ngd-v1.5.0): 'dmas' is a required property
from schema $id: http://devicetree.org/schemas/slimbus/qcom,slim-ngd.yaml
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/slimbus/slimbus.example.dtb: slim@...80000 (qcom,slim-ngd-v1.5.0): 'dma-names' is a required property
from schema $id: http://devicetree.org/schemas/slimbus/qcom,slim-ngd.yaml
Traceback (most recent call last):
File "/usr/local/lib/python3.13/dist-packages/referencing/_core.py", line 428, in get_or_retrieve
resource = registry._retrieve(uri)
File "/usr/local/lib/python3.13/dist-packages/dtschema/validator.py", line 426, in retrieve
return DRAFT201909.create_resource(self.schemas[uri])
~~~~~~~~~~~~^^^^^
KeyError: 'http://devicetree.org/schemas/thermal/qcom-tsens.yaml'
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/usr/local/lib/python3.13/dist-packages/referencing/_core.py", line 682, in lookup
retrieved = self._registry.get_or_retrieve(uri)
File "/usr/local/lib/python3.13/dist-packages/referencing/_core.py", line 435, in get_or_retrieve
raise exceptions.Unretrievable(ref=uri) from error
referencing.exceptions.Unretrievable: 'http://devicetree.org/schemas/thermal/qcom-tsens.yaml'
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/usr/local/lib/python3.13/dist-packages/jsonschema/validators.py", line 463, in _validate_reference
resolved = self._resolver.lookup(ref)
File "/usr/local/lib/python3.13/dist-packages/referencing/_core.py", line 686, in lookup
raise exceptions.Unresolvable(ref=ref) from error
referencing.exceptions.Unresolvable: /schemas/thermal/qcom-tsens.yaml#
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/usr/local/bin/dt-validate", line 8, in <module>
sys.exit(main())
~~~~^^
File "/usr/local/lib/python3.13/dist-packages/dtschema/dtb_validate.py", line 158, in main
sg.check_dtb(filename)
~~~~~~~~~~~~^^^^^^^^^^
File "/usr/local/lib/python3.13/dist-packages/dtschema/dtb_validate.py", line 95, in check_dtb
self.check_subtree(dt, subtree, False, "/", "/", filename)
~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/dist-packages/dtschema/dtb_validate.py", line 88, in check_subtree
self.check_subtree(tree, value, disabled, name, fullname + name, filename)
~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/dist-packages/dtschema/dtb_validate.py", line 88, in check_subtree
self.check_subtree(tree, value, disabled, name, fullname + name, filename)
~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/dist-packages/dtschema/dtb_validate.py", line 83, in check_subtree
self.check_node(tree, subtree, disabled, nodename, fullname, filename)
~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/dist-packages/dtschema/dtb_validate.py", line 34, in check_node
for error in self.validator.iter_errors(node, filter=match_schema_file,
~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
compatible_match=compatible_match):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/dist-packages/dtschema/validator.py", line 448, in iter_errors
for error in self.DtValidator(schema, registry=self.registry).iter_errors(instance):
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^
File "/usr/local/lib/python3.13/dist-packages/jsonschema/validators.py", line 384, in iter_errors
for error in errors:
^^^^^^
File "/usr/local/lib/python3.13/dist-packages/jsonschema/_keywords.py", line 296, in properties
yield from validator.descend(
...<4 lines>...
)
File "/usr/local/lib/python3.13/dist-packages/jsonschema/validators.py", line 432, in descend
for error in errors:
^^^^^^
File "/usr/local/lib/python3.13/dist-packages/jsonschema/_keywords.py", line 275, in ref
yield from validator._validate_reference(ref=ref, instance=instance)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/dist-packages/jsonschema/validators.py", line 465, in _validate_reference
raise exceptions._WrappedReferencingError(err) from err
jsonschema.exceptions._WrappedReferencingError: Unresolvable: /schemas/thermal/qcom-tsens.yaml#
Traceback (most recent call last):
File "/usr/local/lib/python3.13/dist-packages/referencing/_core.py", line 428, in get_or_retrieve
resource = registry._retrieve(uri)
File "/usr/local/lib/python3.13/dist-packages/dtschema/validator.py", line 426, in retrieve
return DRAFT201909.create_resource(self.schemas[uri])
~~~~~~~~~~~~^^^^^
KeyError: 'http://devicetree.org/schemas/thermal/qcom-tsens.yaml'
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/usr/local/lib/python3.13/dist-packages/referencing/_core.py", line 682, in lookup
retrieved = self._registry.get_or_retrieve(uri)
File "/usr/local/lib/python3.13/dist-packages/referencing/_core.py", line 435, in get_or_retrieve
raise exceptions.Unretrievable(ref=uri) from error
referencing.exceptions.Unretrievable: 'http://devicetree.org/schemas/thermal/qcom-tsens.yaml'
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/usr/local/lib/python3.13/dist-packages/jsonschema/validators.py", line 463, in _validate_reference
resolved = self._resolver.lookup(ref)
File "/usr/local/lib/python3.13/dist-packages/referencing/_core.py", line 686, in lookup
raise exceptions.Unresolvable(ref=ref) from error
referencing.exceptions.Unresolvable: /schemas/thermal/qcom-tsens.yaml#
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/usr/local/bin/dt-validate", line 8, in <module>
sys.exit(main())
~~~~^^
File "/usr/local/lib/python3.13/dist-packages/dtschema/dtb_validate.py", line 158, in main
sg.check_dtb(filename)
~~~~~~~~~~~~^^^^^^^^^^
File "/usr/local/lib/python3.13/dist-packages/dtschema/dtb_validate.py", line 95, in check_dtb
self.check_subtree(dt, subtree, False, "/", "/", filename)
~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/dist-packages/dtschema/dtb_validate.py", line 88, in check_subtree
self.check_subtree(tree, value, disabled, name, fullname + name, filename)
~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/dist-packages/dtschema/dtb_validate.py", line 88, in check_subtree
self.check_subtree(tree, value, disabled, name, fullname + name, filename)
~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/dist-packages/dtschema/dtb_validate.py", line 83, in check_subtree
self.check_node(tree, subtree, disabled, nodename, fullname, filename)
~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/dist-packages/dtschema/dtb_validate.py", line 34, in check_node
for error in self.validator.iter_errors(node, filter=match_schema_file,
~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
compatible_match=compatible_match):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/dist-packages/dtschema/validator.py", line 448, in iter_errors
for error in self.DtValidator(schema, registry=self.registry).iter_errors(instance):
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^
File "/usr/local/lib/python3.13/dist-packages/jsonschema/validators.py", line 384, in iter_errors
for error in errors:
^^^^^^
File "/usr/local/lib/python3.13/dist-packages/jsonschema/_keywords.py", line 296, in properties
yield from validator.descend(
...<4 lines>...
)
File "/usr/local/lib/python3.13/dist-packages/jsonschema/validators.py", line 432, in descend
for error in errors:
^^^^^^
File "/usr/local/lib/python3.13/dist-packages/jsonschema/_keywords.py", line 334, in allOf
yield from validator.descend(instance, subschema, schema_path=index)
File "/usr/local/lib/python3.13/dist-packages/jsonschema/validators.py", line 432, in descend
for error in errors:
^^^^^^
File "/usr/local/lib/python3.13/dist-packages/jsonschema/_keywords.py", line 275, in ref
yield from validator._validate_reference(ref=ref, instance=instance)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/dist-packages/jsonschema/validators.py", line 465, in _validate_reference
raise exceptions._WrappedReferencingError(err) from err
jsonschema.exceptions._WrappedReferencingError: Unresolvable: /schemas/thermal/qcom-tsens.yaml#
doc reference errors (make refcheckdocs):
See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20251127133903.208760-1-jishnu.prakash@oss.qualcomm.com
The base for the series is generally the latest rc1. A different dependency
should be noted in *this* patch.
If you already ran 'make dt_binding_check' and didn't see the above
error(s), then make sure 'yamllint' is installed and dt-schema is up to
date:
pip3 install dtschema --upgrade
Please check and re-submit after running the above command yourself. Note
that DT_SCHEMA_FILES can be set to your schema file to speed up checking
your schema. However, it must be unset to test all examples with your schema.
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