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Date: Wed, 6 Jul 2022 14:19:08 +0800
From: Tinghan Shen <tinghan.shen@...iatek.com>
To: Rob Herring <robh@...nel.org>
CC: Yong Wu <yong.wu@...iatek.com>, Joerg Roedel <joro@...tes.org>,
"Will Deacon" <will@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Chun-Jie Chen <chun-jie.chen@...iatek.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
"Enric Balletbo i Serra" <enric.balletbo@...labora.com>,
Weiyi Lu <weiyi.lu@...iatek.com>,
<iommu@...ts.linux-foundation.org>,
<linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: Re: [PATCH v1 03/16] dt-bindings: power: mediatek: Refine multiple
level power domain nodes
On Tue, 2022-07-05 at 14:57 -0600, Rob Herring wrote:
> On Mon, Jul 04, 2022 at 06:00:15PM +0800, Tinghan Shen wrote:
> > Extract duplicated properties and support more levels of power
> > domain nodes.
> >
> > This change fix following error when do dtbs_check,
> > arch/arm64/boot/dts/mediatek/mt8195-evb.dtb: power-controller: power-domain@15:
> > power-domain@16:power-domain@18: 'power-domain@19', 'power-domain@20', 'power-domain@21' do not
> > match any of the regexes: 'pinctrl-[0-9]+'
> > From schema: Documentation/devicetree/bindings/power/mediatek,power-controller.yaml
> >
> > Signed-off-by: Tinghan Shen <tinghan.shen@...iatek.com>
> > ---
> > .../power/mediatek,power-controller.yaml | 132 ++----------------
> > 1 file changed, 12 insertions(+), 120 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml
> > b/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml
> > index 135c6f722091..09a537a802b8 100644
> > --- a/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml
> > +++ b/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml
> > @@ -39,8 +39,17 @@ properties:
> > '#size-cells':
> > const: 0
> >
> > +required:
> > + - compatible
> > +
> > +additionalProperties: false
> > +
> > patternProperties:
> > "^power-domain@[0-9a-f]+$":
> > + $ref: "#/$defs/power-domain-node"
> > +
> > +$defs:
> > + power-domain-node:
> > type: object
> > description: |
> > Represents the power domains within the power controller node as documented
> > @@ -98,127 +107,10 @@ patternProperties:
> > $ref: /schemas/types.yaml#/definitions/phandle
> > description: phandle to the device containing the SMI register range.
> >
> > - patternProperties:
> > - "^power-domain@[0-9a-f]+$":
> > - type: object
> > - description: |
> > - Represents a power domain child within a power domain parent node.
> > -
> > - properties:
> > -
> > - '#power-domain-cells':
> > - description:
> > - Must be 0 for nodes representing a single PM domain and 1 for nodes
> > - providing multiple PM domains.
> > -
> > - '#address-cells':
> > - const: 1
> > -
> > - '#size-cells':
> > - const: 0
> > -
> > - reg:
> > - maxItems: 1
> > -
> > - clocks:
> > - description: |
> > - A number of phandles to clocks that need to be enabled during domain
> > - power-up sequencing.
> > -
> > - clock-names:
> > - description: |
> > - List of names of clocks, in order to match the power-up sequencing
> > - for each power domain we need to group the clocks by name. BASIC
> > - clocks need to be enabled before enabling the corresponding power
> > - domain, and should not have a '-' in their name (i.e mm, mfg, venc).
> > - SUSBYS clocks need to be enabled before releasing the bus protection,
> > - and should contain a '-' in their name (i.e mm-0, isp-0, cam-0).
> > -
> > - In order to follow properly the power-up sequencing, the clocks must
> > - be specified by order, adding first the BASIC clocks followed by the
> > - SUSBSYS clocks.
> > -
> > - domain-supply:
> > - description: domain regulator supply.
> > -
> > - mediatek,infracfg:
> > - $ref: /schemas/types.yaml#/definitions/phandle
> > - description: phandle to the device containing the INFRACFG register range.
> > -
> > - mediatek,smi:
> > - $ref: /schemas/types.yaml#/definitions/phandle
> > - description: phandle to the device containing the SMI register range.
> > -
> > - patternProperties:
> > - "^power-domain@[0-9a-f]+$":
> > - type: object
> > - description: |
> > - Represents a power domain child within a power domain parent node.
> > -
> > - properties:
> > + required:
> > + - reg
> >
> > - '#power-domain-cells':
> > - description:
> > - Must be 0 for nodes representing a single PM domain and 1 for nodes
> > - providing multiple PM domains.
> > -
> > - '#address-cells':
> > - const: 1
> > -
> > - '#size-cells':
> > - const: 0
> > -
> > - reg:
> > - maxItems: 1
> > -
> > - clocks:
> > - description: |
> > - A number of phandles to clocks that need to be enabled during domain
> > - power-up sequencing.
> > -
> > - clock-names:
> > - description: |
> > - List of names of clocks, in order to match the power-up sequencing
> > - for each power domain we need to group the clocks by name. BASIC
> > - clocks need to be enabled before enabling the corresponding power
> > - domain, and should not have a '-' in their name (i.e mm, mfg, venc).
> > - SUSBYS clocks need to be enabled before releasing the bus protection,
> > - and should contain a '-' in their name (i.e mm-0, isp-0, cam-0).
> > -
> > - In order to follow properly the power-up sequencing, the clocks must
> > - be specified by order, adding first the BASIC clocks followed by the
> > - SUSBSYS clocks.
> > -
> > - domain-supply:
> > - description: domain regulator supply.
> > -
> > - mediatek,infracfg:
> > - $ref: /schemas/types.yaml#/definitions/phandle
> > - description: phandle to the device containing the INFRACFG register range.
> > -
> > - mediatek,smi:
> > - $ref: /schemas/types.yaml#/definitions/phandle
> > - description: phandle to the device containing the SMI register range.
> > -
> > - required:
> > - - reg
> > -
> > - additionalProperties: false
> > -
> > - required:
> > - - reg
> > -
> > - additionalProperties: false
> > -
> > - required:
> > - - reg
> > -
> > - additionalProperties: false
> > -
> > -required:
> > - - compatible
> > -
> > -additionalProperties: false
> > + additionalProperties: false
> $ make dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/power/mediatek,power-
> controller.yaml O=out
> make[1]: Entering directory '/proj/mtk15399/upstream-cros/src/third_party/kernel/v5.10/out'
> LINT Documentation/devicetree/bindings
> CHKDT Documentation/devicetree/bindings/processed-schema.json
> SCHEMA Documentation/devicetree/bindings/processed-schema.json
> /proj/mtk15399/upstream-
> cros/src/third_party/kernel/v5.10/Documentation/devicetree/bindings/iio/temperature/adi,ltc2983.ya
> ml: ignoring, error in schema: patternProperties: ^thermistor@: properties: adi,excitation-
> current-nanoamp
> /proj/mtk15399/upstream-
> cros/src/third_party/kernel/v5.10/Documentation/devicetree/bindings/display/tegra/nvidia,tegra124-
> sor.yaml: ignoring, error in schema: allOf: 1: if: not: properties
> /proj/mtk15399/upstream-
> cros/src/third_party/kernel/v5.10/Documentation/devicetree/bindings/mfd/mps,mp2629.yaml: ignoring,
> error parsing file
> DTEX Documentation/devicetree/bindings/power/mediatek,power-controller.example.dts
> DTC Documentation/devicetree/bindings/power/mediatek,power-controller.example.dtb
> CHECK Documentation/devicetree/bindings/power/mediatek,power-controller.example.dtb
> Traceback (most recent call last):
> File "/proj/mtk15399/.venv/py3.9/bin/dt-validate", line 173, in <module>
> testtree = dtschema.load(filename, line_number=args.line_number)
> File "/proj/mtk15399/.venv/py3.9/lib/python3.9/site-packages/dtschema/lib.py", line 913, in load
> return [ dtschema.dtb.fdt_unflatten(f.read()) ]
> File "/proj/mtk15399/.venv/py3.9/lib/python3.9/site-packages/dtschema/dtb.py", line 463, in
> fdt_unflatten
> p = dtschema.get_prop_types()
> File "/proj/mtk15399/.venv/py3.9/lib/python3.9/site-packages/dtschema/lib.py", line 892, in
> get_prop_types
> props = dtschema.extract_types(schema_cache)
> File "/proj/mtk15399/.venv/py3.9/lib/python3.9/site-packages/dtschema/lib.py", line 883, in
> extract_types
> _extract_subschema_types(props, sch, sch)
> File "/proj/mtk15399/.venv/py3.9/lib/python3.9/site-packages/dtschema/lib.py", line 874, in
> _extract_subschema_types
>
> [...snip...]
>
> File "/proj/mtk15399/.venv/py3.9/lib/python3.9/site-packages/dtschema/lib.py", line 803, in
> _extract_prop_type
> _extract_prop_type(props, schema, propname, subschema)
> File "/proj/mtk15399/.venv/py3.9/lib/python3.9/site-packages/dtschema/lib.py", line 794, in
> _extract_prop_type
> _extract_subschema_types(props, schema, subschema)
> File "/proj/mtk15399/.venv/py3.9/lib/python3.9/site-packages/dtschema/lib.py", line 874, in
> _extract_subschema_types
> _extract_prop_type(props, schema, p, v)
> File "/proj/mtk15399/.venv/py3.9/lib/python3.9/site-packages/dtschema/lib.py", line 790, in
> _extract_prop_type
> if not isinstance(subschema, dict):
> RecursionError: maximum recursion depth exceeded while calling a Python object
> make[1]: Leaving directory '/proj/mtk15399/upstream-cros/src/third_party/kernel/v5.10/out'
> You now aren't checking more than 1 level because you have defined
> 'additionalProperties' to be a DT property. Check the indentation.
>
> You need this in $defs/power-domain-node to recurse:
>
> additionalProperties:
> $ref: #/$defs/power-domain-node
Hi Rob,
I get the following error after adding the 'additionalProperties' to $defs/power-domain-node.
The same error occurs when I run dt_binding_check on power/renesas,sysc-rmobile.yaml, which has the
similar property.
$ make dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/power/mediatek,power-
controller.yaml O=out
make[1]: Entering directory '/test/upstream-cros/src/third_party/kernel/v5.10/out'
LINT Documentation/devicetree/bindings
CHKDT Documentation/devicetree/bindings/processed-schema.json
SCHEMA Documentation/devicetree/bindings/processed-schema.json
/test/upstream-
cros/src/third_party/kernel/v5.10/Documentation/devicetree/bindings/iio/temperature/adi,ltc2983.yaml
: ignoring, error in schema: patternProperties: ^thermistor@: properties: adi,excitation-current-
nanoamp
/test/upstream-
cros/src/third_party/kernel/v5.10/Documentation/devicetree/bindings/display/tegra/nvidia,tegra124-
sor.yaml: ignoring, error in schema: allOf: 1: if: not: properties
/test/upstream-
cros/src/third_party/kernel/v5.10/Documentation/devicetree/bindings/mfd/mps,mp2629.yaml: ignoring,
error parsing file
DTEX Documentation/devicetree/bindings/power/mediatek,power-controller.example.dts
DTC Documentation/devicetree/bindings/power/mediatek,power-controller.example.dtb
CHECK Documentation/devicetree/bindings/power/mediatek,power-controller.example.dtb
Traceback (most recent call last):
File "/test/.venv/py3.9/bin/dt-validate", line 173, in <module>
testtree = dtschema.load(filename, line_number=args.line_number)
File "/test/.venv/py3.9/lib/python3.9/site-packages/dtschema/lib.py", line 913, in load
return [ dtschema.dtb.fdt_unflatten(f.read()) ]
File "/test/.venv/py3.9/lib/python3.9/site-packages/dtschema/dtb.py", line 463, in fdt_unflatten
p = dtschema.get_prop_types()
File "/test/.venv/py3.9/lib/python3.9/site-packages/dtschema/lib.py", line 892, in get_prop_types
props = dtschema.extract_types(schema_cache)
File "/test/.venv/py3.9/lib/python3.9/site-packages/dtschema/lib.py", line 883, in extract_types
_extract_subschema_types(props, sch, sch)
File "/test/.venv/py3.9/lib/python3.9/site-packages/dtschema/lib.py", line 874, in
_extract_subschema_types
[...snip...]
File "/test/.venv/py3.9/lib/python3.9/site-packages/dtschema/lib.py", line 803, in
_extract_prop_type
_extract_prop_type(props, schema, propname, subschema)
File "/test/.venv/py3.9/lib/python3.9/site-packages/dtschema/lib.py", line 794, in
_extract_prop_type
_extract_subschema_types(props, schema, subschema)
File "/test/.venv/py3.9/lib/python3.9/site-packages/dtschema/lib.py", line 874, in
_extract_subschema_types
_extract_prop_type(props, schema, p, v)
File "/test/.venv/py3.9/lib/python3.9/site-packages/dtschema/lib.py", line 790, in
_extract_prop_type
if not isinstance(subschema, dict):
RecursionError: maximum recursion depth exceeded while calling a Python object
make[1]: Leaving directory '/test/upstream-cros/src/third_party/kernel/v5.10/out'
Best Regards,
TingHan
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