linux-kernel - Re: [PATCH v2 1/3] dt-bindings: i2c: Add RTL9300 I2C controller

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Message-Id: <172687383994.9882.1653066305378740682.robh@kernel.org>
Date: Fri, 20 Sep 2024 18:10:39 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Chris Packham <chris.packham@...iedtelesis.co.nz>
Cc: krzk+dt@...nel.org, tsbogend@...ha.franken.de, 
 devicetree@...r.kernel.org, andi.shyti@...nel.org, 
 linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org, 
 linux-i2c@...r.kernel.org, conor+dt@...nel.org
Subject: Re: [PATCH v2 1/3] dt-bindings: i2c: Add RTL9300 I2C controller


On Fri, 20 Sep 2024 12:09:28 +1200, Chris Packham wrote:
> Add dtschema for the I2C controller on the RTL9300 SoC. The I2C
> controllers on this SoC are part of the "switch" block which is
> represented here as a syscon node. The SCL pins are dependent on the I2C
> controller (GPIO8 for the first controller, GPIO 17 for the second). The
> SDA pins can be assigned to either one of the I2C controllers (but not
> both).
> 
> Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
> ---
> 
> Notes:
>     Changes in v2:
>     - Use reg property for controller registers
>     - Remove global-control-offset (will be hard coded in driver)
>     - Integrated the multiplexing function. Child nodes now represent the
>       available SDA lines
> 
>  .../bindings/i2c/realtek,rtl9300-i2c.yaml     | 82 +++++++++++++++++++
>  MAINTAINERS                                   |  6 ++
>  2 files changed, 88 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/i2c/realtek,rtl9300-i2c.yaml
> 

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

yamllint warnings/errors:

dtschema/dtc warnings/errors:
Documentation/devicetree/bindings/i2c/realtek,rtl9300-i2c.example.dtb: /example-0/switch@...00000: failed to match any schema with compatible: ['realtek,rtl9302c-switch', 'syscon', 'simple-mfd']
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/i2c/realtek,rtl9300-i2c.example.dtb: i2c@36c: Unevaluated properties are not allowed ('#address-cells', '#size-cells', 'clock-frequency' were unexpected)
	from schema $id: http://devicetree.org/schemas/i2c/realtek,rtl9300-i2c.yaml#

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20240920000930.1828086-2-chris.packham@alliedtelesis.co.nz

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.