linux-kernel - Re: [PATCH 2/6] dt-bindings: media: camss: Add qcom,kaanapali-camss binding

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Message-ID: <CAFEp6-1o11B9o3HjdJY-xQhDXquOTknXo0JeW=HfpTxXcEaK3g@mail.gmail.com>
Date: Mon, 6 Oct 2025 22:04:53 +0200
From: Loic Poulain <loic.poulain@....qualcomm.com>
To: Jingyi Wang <jingyi.wang@....qualcomm.com>,
        "Bryan O'Donoghue" <bryan.odonoghue@...aro.org>
Cc: Robert Foss <rfoss@...nel.org>, Andi Shyti <andi.shyti@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        "Bryan O'Donoghue" <bod@...nel.org>, Todor Tomov <todor.too@...il.com>,
        Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hangxiang Ma <hangxiang.ma@....qualcomm.com>,
        linux-i2c@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, aiqun.yu@....qualcomm.com,
        tingwei.zhang@....qualcomm.com, trilok.soni@....qualcomm.com,
        yijie.yang@....qualcomm.com
Subject: Re: [PATCH 2/6] dt-bindings: media: camss: Add qcom,kaanapali-camss binding

Hi folks,

On Thu, Sep 25, 2025 at 2:03 AM Jingyi Wang
<jingyi.wang@....qualcomm.com> wrote:
>
> From: Hangxiang Ma <hangxiang.ma@....qualcomm.com>
>
> Add bindings for qcom,kaanapali-camss in order to support the camera
> subsystem for Kaanapali.
>
> Signed-off-by: Hangxiang Ma <hangxiang.ma@....qualcomm.com>
> Signed-off-by: Jingyi Wang <jingyi.wang@....qualcomm.com>
> ---
>  .../bindings/media/qcom,kaanapali-camss.yaml       | 494 +++++++++++++++++++++
>  1 file changed, 494 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/media/qcom,kaanapali-camss.yaml b/Documentation/devicetree/bindings/media/qcom,kaanapali-camss.yaml
> new file mode 100644
> index 000000000000..ed0fe6774700
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/qcom,kaanapali-camss.yaml
> @@ -0,0 +1,494 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/qcom,kaanapali-camss.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Kaanapali Camera Subsystem (CAMSS)
> +
> +maintainers:
> +  - Hangxiang Ma <hangxiang.ma@....qualcomm.com>
> +
> +description:
> +  The CAMSS IP is a CSI decoder and ISP present on Qualcomm platforms.
> +
> +properties:
> +  compatible:
> +    const: qcom,kaanapali-camss
> +
> +  reg:
> +    maxItems: 16
> +
> +  reg-names:
> +    items:
> +      - const: csid0
> +      - const: csid1
> +      - const: csid2
> +      - const: csid_lite0
> +      - const: csid_lite1
> +      - const: csiphy0
> +      - const: csiphy1
> +      - const: csiphy2
> +      - const: csiphy3
> +      - const: csiphy4
> +      - const: csiphy5
> +      - const: vfe0
> +      - const: vfe1
> +      - const: vfe2
> +      - const: vfe_lite0
> +      - const: vfe_lite1

Wouldn't it make sense to simplify this and have different camss nodes
for the 'main' and 'lite' paths?

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