linux-kernel - Re: [PATCH] dt-bindings: usb: typec: anx7688: start a binding document

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Message-ID: <3a662ef2-1888-4f24-bebe-3ce32da9d277@linaro.org>
Date: Sun, 11 Feb 2024 14:56:01 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Pavel Machek <pavel@....cz>, phone-devel@...r.kernel.org,
 kernel list <linux-kernel@...r.kernel.org>, fiona.klute@....de,
 martijn@...xit.nl, samuel@...lland.org, heikki.krogerus@...ux.intel.com,
 gregkh@...uxfoundation.org, linux-usb@...r.kernel.org, robh+dt@...nel.org,
 krzysztof.kozlowski+dt@...aro.org, devicetree@...r.kernel.org, megi@....cz
Subject: Re: [PATCH] dt-bindings: usb: typec: anx7688: start a binding
 document

On 09/02/2024 20:51, Pavel Machek wrote:
> Add binding for anx7688 usb type-c bridge. I don't have a datasheet,
> but I did best I could.
> 
> Signed-off-by: Pavel Machek <pavel@....cz>
> 

You miss proper diffstat which makes reviewing difficult.

Actually entire patch is corrupted and impossible to apply.

Anyway, where is any user of this? Nothing in commit msg explains this.


> diff --git a/Documentation/devicetree/bindings/usb/analogix,anx7688.yaml b/Documentation/devicetree/bindings/usb/analogix,anx7688.yaml
> new file mode 100644
> index 000000000000..b9d60586937f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/analogix,anx7688.yaml
> @@ -0,0 +1,140 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/usb/analogix,anx7688.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analogix ANX7688 Type-C controller
> +
> +maintainers:
> +  - Pavel Machek <pavel@....cz>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - analogix,anx7688
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  reset-gpios:
> +    maxItems: 1

blank line

> +  enable-gpios:
> +    maxItems: 1
> +  cabledet-gpios:
> +    maxItems: 1
> +
> +  avdd10-supply:
> +    description:
> +      1.0V power supply

Keep description in one line and add a blank line. This code is not that
readable.

> +  dvdd10-supply:
> +    description:
> +      1.0V power supply
> +  avdd18-supply:
> +    description:
> +      1.8V power supply
> +  dvdd18-supply:
> +    description:
> +      1.8V power supply
> +  avdd33-supply:
> +    description:
> +      3.3V power supply
> +  i2c-supply:
> +    description:
> +      Power supply

Drop all useless descriptions (so : true)

> +  vconn-supply:
> +    description:
> +      Power supply
> +  hdmi_vt-supply:
> +    description:
> +      Power supply
> +
> +  vbus-supply:
> +    description:
> +      Power supply
> +  vbus_in-supply:

No underscores in property names.

> +    description:
> +      Power supply
> +
> +  connector:
> +    type: object
> +    $ref: ../connector/usb-connector.yaml

Full path, so /schemas/connector/......

> +    unevaluatedProperties: false

Drop

> +
> +    description:
> +      Properties for usb c connector.

> +
> +    properties:
> +      compatible:
> +        const: usb-c-connector
> +
> +      power-role: true
> +
> +      data-role: true
> +
> +      try-power-role: true

I don't understand why do you have here properties. Do you see any
binding like this?

> +
> +    required:
> +      - compatible

Drop, why is it needed?

> +
> +required:
> +  - compatible
> +  - reg
> +  - connector
> +
> +additionalProperti

I don't know what's further but this patch is not a patch... Please read
submitting-patches, organize your patchset correctly into manageable
logical chunks and send them as proper patchset, not one junk.

b4 helps here a lot...

> 

Best regards,
Krzysztof