linux-kernel - Re: [PATCH 4/5] dt-bindings: i2c: Add RTL9300 I2C multiplexer

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Message-Id: <172661957327.22757.9240077475502765313.robh@kernel.org>
Date: Tue, 17 Sep 2024 19:32:54 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Chris Packham <chris.packham@...iedtelesis.co.nz>
Cc: krzk+dt@...nel.org, linux-i2c@...r.kernel.org, 
 linux-mips@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, tsbogend@...ha.franken.de, 
 andi.shyti@...nel.org, conor+dt@...nel.org
Subject: Re: [PATCH 4/5] dt-bindings: i2c: Add RTL9300 I2C multiplexer


On Wed, 18 Sep 2024 11:29:31 +1200, Chris Packham wrote:
> An extension of the RTL9300 SoC is to support multiplexing by selecting
> the SDA pins that are being used dynamically. Add a binding that allows
> us to describe hardware that makes use of this.
> 
> Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
> ---
>  .../bindings/i2c/realtek,rtl9300-i2c-mux.yaml | 82 +++++++++++++++++++
>  MAINTAINERS                                   |  1 +
>  2 files changed, 83 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/i2c/realtek,rtl9300-i2c-mux.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-mux.example.dts:22.25-28.13: Warning (unit_address_vs_reg): /example-0/switch@...00000/i2c@36c: node has a unit name, but no reg or ranges property
Documentation/devicetree/bindings/i2c/realtek,rtl9300-i2c-mux.example.dtb: /example-0/switch@...00000: failed to match any schema with compatible: ['realtek,rtl9302c-switch', 'syscon', 'simple-mfd']

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20240917232932.3641992-5-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.