linux-kernel - Re: [PATCH v7] dt-bindings: regulator: add document bindings for mpq7920

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Message-ID: <20200122165914.GA3900@bogus>
Date:   Wed, 22 Jan 2020 10:59:14 -0600
From:   Rob Herring <robh@...nel.org>
To:     Saravanan Sekar <sravanhome@...il.com>
Cc:     sravanhome@...il.com, lgirdwood@...il.com, broonie@...nel.org,
        robh+dt@...nel.org, mark.rutland@....com, mripard@...nel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7] dt-bindings: regulator: add document bindings for
 mpq7920

On Tue, 21 Jan 2020 20:24:05 +0100, Saravanan Sekar wrote:
> Add device tree binding information for mpq7920 regulator driver.
> Example bindings for mpq7920 are added.
> 
> Signed-off-by: Saravanan Sekar <sravanhome@...il.com>
> ---
> 
> Notes:
>     Changes on v7 :
>       - added regualtors child-node under patternProperties, added required
>       - mps,buck-ovp-disable is not common property, regulator subsystem provides
>         only over current protection support.
> 
>  .../bindings/regulator/mps,mpq7920.yaml       | 118 ++++++++++++++++++
>  1 file changed, 118 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml
> 

My bot found errors running 'make dt_binding_check' on your patch:

warning: no schema found in file: Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml
/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml: ignoring, error in schema: properties: regulators: properties: mps,switch-freq
Documentation/devicetree/bindings/display/simple-framebuffer.example.dts:21.16-37.11: Warning (chosen_node_is_root): /example-0/chosen: chosen node must be at root node
/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml: properties:regulators:properties:mps,switch-freq: {'$ref': '/schemas/types.yaml#/definitions/uint8', 'enum': [0, 1, 2, 3], 'default': 2, 'description': 'switching frequency must be one of following corresponding value\n1.1MHz, 1.65MHz, 2.2MHz, 2.75MHz\n'} is not valid under any of the given schemas (Possible causes of the failure):
	/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml: properties:regulators:properties:mps,switch-freq: 'not' is a required property
	/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml: properties:regulators:properties:mps,switch-freq:enum:0: 0 is not of type 'string'
	/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml: properties:regulators:properties:mps,switch-freq:enum:1: 1 is not of type 'string'
	/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml: properties:regulators:properties:mps,switch-freq:enum:2: 2 is not of type 'string'
	/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml: properties:regulators:properties:mps,switch-freq:enum:3: 3 is not of type 'string'

/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml: properties:regulators:patternProperties:^buck[1-4]$:properties:mps,buck-softstart: {'$ref': '/schemas/types.yaml#/definitions/uint8', 'enum': [0, 1, 2, 3], 'description': 'defines the soft start time of this buck, must be one of the following\ncorresponding values 150us, 300us, 610us, 920us\n'} is not valid under any of the given schemas (Possible causes of the failure):
	/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml: properties:regulators:patternProperties:^buck[1-4]$:properties:mps,buck-softstart: 'not' is a required property
	/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml: properties:regulators:patternProperties:^buck[1-4]$:properties:mps,buck-softstart:enum:0: 0 is not of type 'string'
	/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml: properties:regulators:patternProperties:^buck[1-4]$:properties:mps,buck-softstart:enum:1: 1 is not of type 'string'
	/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml: properties:regulators:patternProperties:^buck[1-4]$:properties:mps,buck-softstart:enum:2: 2 is not of type 'string'
	/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml: properties:regulators:patternProperties:^buck[1-4]$:properties:mps,buck-softstart:enum:3: 3 is not of type 'string'

/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml: properties:regulators:patternProperties:^buck[1-4]$:properties:mps,buck-phase-delay: {'$ref': '/schemas/types.yaml#/definitions/uint8', 'enum': [0, 1, 2, 3], 'description': 'defines the phase delay of this buck, must be one of the following\ncorresponding values 0deg, 90deg, 180deg, 270deg\n'} is not valid under any of the given schemas (Possible causes of the failure):
	/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml: properties:regulators:patternProperties:^buck[1-4]$:properties:mps,buck-phase-delay: 'not' is a required property
	/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml: properties:regulators:patternProperties:^buck[1-4]$:properties:mps,buck-phase-delay:enum:0: 0 is not of type 'string'
	/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml: properties:regulators:patternProperties:^buck[1-4]$:properties:mps,buck-phase-delay:enum:1: 1 is not of type 'string'
	/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml: properties:regulators:patternProperties:^buck[1-4]$:properties:mps,buck-phase-delay:enum:2: 2 is not of type 'string'
	/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml: properties:regulators:patternProperties:^buck[1-4]$:properties:mps,buck-phase-delay:enum:3: 3 is not of type 'string'

Documentation/devicetree/bindings/Makefile:12: recipe for target 'Documentation/devicetree/bindings/regulator/mps,mpq7920.example.dts' failed
make[1]: *** [Documentation/devicetree/bindings/regulator/mps,mpq7920.example.dts] Error 1
Makefile:1263: recipe for target 'dt_binding_check' failed
make: *** [dt_binding_check] Error 2

See https://patchwork.ozlabs.org/patch/1226717
Please check and re-submit.


The errors are too helpful here. The problem appears to be that '$ref' 
has to be under an 'allOf' if there are other constraints.

Rob