linux-kernel - Re: [PATCH 3/9] media: dt-bindings: cec: convert common CEC properties to DT schema

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Message-ID: <ed6a2a1c-e14c-ef9f-b20b-8e662e2c78c8@xs4all.nl>
Date:   Mon, 5 Dec 2022 09:07:51 +0100
From:   Hans Verkuil <hverkuil-cisco@...all.nl>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Alain Volmat <alain.volmat@...s.st.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Joe Tessler <jrt@...gle.com>,
        Yannick Fertre <yannick.fertre@...s.st.com>,
        Jeff Chase <jnchase@...gle.com>, linux-media@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com
Subject: Re: [PATCH 3/9] media: dt-bindings: cec: convert common CEC
 properties to DT schema

On 04/12/2022 19:29, Krzysztof Kozlowski wrote:
> Convert common HDMI CEC adapter bindings to DT schema.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Acked-by: Hans Verkuil <hverkuil-cisco@...all.nl>

Thanks!

	Hans

> ---
>  .../devicetree/bindings/media/cec.txt         |  8 ------
>  .../bindings/media/cec/cec-common.yaml        | 28 +++++++++++++++++++
>  MAINTAINERS                                   |  2 +-
>  3 files changed, 29 insertions(+), 9 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/media/cec.txt
>  create mode 100644 Documentation/devicetree/bindings/media/cec/cec-common.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/cec.txt b/Documentation/devicetree/bindings/media/cec.txt
> deleted file mode 100644
> index 22d7aae3d3d7..000000000000
> --- a/Documentation/devicetree/bindings/media/cec.txt
> +++ /dev/null
> @@ -1,8 +0,0 @@
> -Common bindings for HDMI CEC adapters
> -
> -- hdmi-phandle: phandle to the HDMI controller.
> -
> -- needs-hpd: if present the CEC support is only available when the HPD
> -  is high. Some boards only let the CEC pin through if the HPD is high,
> -  for example if there is a level converter that uses the HPD to power
> -  up or down.
> diff --git a/Documentation/devicetree/bindings/media/cec/cec-common.yaml b/Documentation/devicetree/bindings/media/cec/cec-common.yaml
> new file mode 100644
> index 000000000000..af6ee5f1c73f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/cec/cec-common.yaml
> @@ -0,0 +1,28 @@
> +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/cec/cec-common.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: HDMI CEC Adapters Common Properties
> +
> +maintainers:
> +  - Hans Verkuil <hverkuil@...all.nl>
> +
> +properties:
> +  $nodename:
> +    pattern: "^cec(@[0-9a-f]+|-[0-9]+)?$"
> +
> +  hdmi-phandle:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description:
> +      Phandle to the HDMI controller.
> +
> +  needs-hpd:
> +    type: boolean
> +    description:
> +      The CEC support is only available when the HPD is high. Some boards only
> +      let the CEC pin through if the HPD is high, for example if there is a
> +      level converter that uses the HPD to power up or down.
> +
> +additionalProperties: true
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 07cb85cac4c3..45402e03cda5 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -4832,7 +4832,7 @@ S:	Supported
>  W:	http://linuxtv.org
>  T:	git git://linuxtv.org/media_tree.git
>  F:	Documentation/ABI/testing/debugfs-cec-error-inj
> -F:	Documentation/devicetree/bindings/media/cec.txt
> +F:	Documentation/devicetree/bindings/media/cec/cec-common.yaml
>  F:	Documentation/driver-api/media/cec-core.rst
>  F:	Documentation/userspace-api/media/cec
>  F:	drivers/media/cec/