linux-kernel - Re: [PATCH v4 04/19] dt-bindings: media: i2c: max96717: add support for pinctrl/pinconf

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Message-ID: <20250627193818.GA4051037-robh@kernel.org>
Date: Fri, 27 Jun 2025 14:38:18 -0500
From: Rob Herring <robh@...nel.org>
To: Cosmin Tanislav <demonsingur@...il.com>
Cc: Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Niklas Söderlund <niklas.soderlund@...natech.se>,
	Julien Massot <julien.massot@...labora.com>,
	Sakari Ailus <sakari.ailus@...ux.intel.com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	"open list:MAXIM GMSL2 SERIALIZERS AND DESERIALIZERS" <linux-media@...r.kernel.org>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" <devicetree@...r.kernel.org>,
	open list <linux-kernel@...r.kernel.org>,
	"moderated list:ARM64 PORT (AARCH64 ARCHITECTURE)" <linux-arm-kernel@...ts.infradead.org>,
	"open list:STAGING SUBSYSTEM" <linux-staging@...ts.linux.dev>,
	"open list:GPIO SUBSYSTEM:Keyword:(devm_)?gpio_(request|free|direction|get|set)" <linux-gpio@...r.kernel.org>,
	Cosmin Tanislav <cosmin.tanislav@...log.com>
Subject: Re: [PATCH v4 04/19] dt-bindings: media: i2c: max96717: add support
 for pinctrl/pinconf

On Wed, Jun 18, 2025 at 12:58:40PM +0300, Cosmin Tanislav wrote:
> MAX96717 is capable of configuring various pin properties.
> 
> Add pinctrl/pinconf properties to support this usecase.
> 
> Signed-off-by: Cosmin Tanislav <demonsingur@...il.com>
> ---
>  .../bindings/media/i2c/maxim,max96717.yaml    | 110 ++++++++++++++++++
>  1 file changed, 110 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/media/i2c/maxim,max96717.yaml b/Documentation/devicetree/bindings/media/i2c/maxim,max96717.yaml
> index 167c3dd50683..5998e2518be9 100644
> --- a/Documentation/devicetree/bindings/media/i2c/maxim,max96717.yaml
> +++ b/Documentation/devicetree/bindings/media/i2c/maxim,max96717.yaml
> @@ -121,6 +121,116 @@ required:
>    - reg
>    - ports
>  
> +patternProperties:
> +  '-pins$':
> +    type: object
> +    additionalProperties: false
> +
> +    properties:
> +      function:
> +        enum: [gpio, rclkout]
> +
> +      pins: true
> +      drive-open-drain: true
> +      drive-push-pull: true
> +      bias-disable: true
> +      output-disable: true
> +      output-enable: true
> +      output-low: true
> +      output-high: true
> +      input-enable: true
> +
> +      slew-rate:
> +        description: |
> +          Slew rate.
> +          0 - Fastest
> +          1 - Fast
> +          2 - Slow
> +          3 - Slowest
> +        maximum: 3
> +
> +      bias-pull-up:
> +        oneOf:
> +          - type: boolean
> +            description: Enable regular 40kOhm pull-up
> +          - enum: [ 40000, 1000000 ]
> +            description: Enable either the 40kOhm or the 1MOhm pull-up
> +
> +      bias-pull-down:
> +        oneOf:
> +          - type: boolean
> +            description: Enable regular 40kOhm pull-down
> +          - enum: [ 40000, 1000000 ]
> +            description: Enable either the 40kOhm or the 1MOhm pull-down
> +
> +      maxim,jitter-compensation:
> +        type: boolean
> +        description: Enables jitter compensation.
> +
> +      maxim,gmsl-tx:
> +        type: boolean
> +        description: Enable transmitting pin value to GMSL link.
> +
> +      maxim,gmsl-rx:
> +        type: boolean
> +        description: Enable receiving pin value from GMSL link.
> +
> +      maxim,gmsl-tx-id:
> +        $ref: /schemas/types.yaml#/definitions/uint32
> +        description:
> +          Identifier used while transmitting value to GMSL link.
> +          Default value matches the pin number.
> +        minimum: 0

The minimum is already 0 being unsigned. Elsewhere too.

With that,

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>