linux-kernel - Re: [PATCH v11 4/7] dt-bindings: media: add TI DS90UB960 FPD-Link III Deserializer

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Message-ID: <20230425171113.GA1957523-robh@kernel.org>
Date:   Tue, 25 Apr 2023 12:11:13 -0500
From:   Rob Herring <robh@...nel.org>
To:     Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
Cc:     linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-i2c@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Wolfram Sang <wsa@...nel.org>,
        Luca Ceresoli <luca.ceresoli@...tlin.com>,
        Andy Shevchenko <andriy.shevchenko@...el.com>,
        Matti Vaittinen <Matti.Vaittinen@...rohmeurope.com>,
        Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Peter Rosin <peda@...ntia.se>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Michael Tretter <m.tretter@...gutronix.de>,
        Hans Verkuil <hverkuil@...all.nl>,
        Mike Pagano <mpagano@...too.org>,
        Krzysztof Hałasa <khalasa@...p.pl>,
        Marek Vasut <marex@...x.de>,
        Satish Nagireddy <satish.nagireddy@...cruise.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: Re: [PATCH v11 4/7] dt-bindings: media: add TI DS90UB960 FPD-Link
 III Deserializer

On Fri, Apr 21, 2023 at 01:18:30PM +0300, Tomi Valkeinen wrote:
> Add DT bindings for TI DS90UB960 FPD-Link III Deserializer.
> 
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
> Reviewed-by: Rob Herring <robh@...nel.org>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> ---
>  .../bindings/media/i2c/ti,ds90ub960.yaml      | 423 ++++++++++++++++++
>  1 file changed, 423 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/i2c/ti,ds90ub960.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/i2c/ti,ds90ub960.yaml b/Documentation/devicetree/bindings/media/i2c/ti,ds90ub960.yaml
> new file mode 100644
> index 000000000000..1d5362bea09a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/ti,ds90ub960.yaml
> @@ -0,0 +1,423 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/i2c/ti,ds90ub960.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Texas Instruments DS90UB9XX Family FPD-Link Deserializer Hubs
> +
> +maintainers:
> +  - Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
> +
> +description:
> +  The TI DS90UB9XX devices are FPD-Link video deserializers with I2C and GPIO
> +  forwarding.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - ti,ds90ub960-q1
> +      - ti,ds90ub9702-q1
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +    description:
> +      Reference clock connected to the REFCLK pin.
> +
> +  clock-names:
> +    items:
> +      - const: refclk
> +
> +  powerdown-gpios:
> +    maxItems: 1
> +    description:
> +      Specifier for the GPIO connected to the PDB pin.
> +
> +  i2c-alias-pool:
> +    $ref: /schemas/i2c/i2c-atr.yaml#/properties/i2c-alias-pool

This is not how we handle common properties (usually). Just reference 
'/schemas/i2c/i2c-atr.yaml#' at the top level and use 
unevaluatedProperties.

Is there a limit to the number of entries for this device? If so, add 
that here.

Rob