linux-kernel - Re: [PATCH v2 07/16] dt-bindings: display/msm: qcom,sm8750-mdss: Add SM8750

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Message-ID: <20250219232705.GA3166541-robh@kernel.org>
Date: Wed, 19 Feb 2025 17:27:05 -0600
From: Rob Herring <robh@...nel.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Rob Clark <robdclark@...il.com>,
	Abhinav Kumar <quic_abhinavk@...cinc.com>,
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
	Sean Paul <sean@...rly.run>,
	Marijn Suijten <marijn.suijten@...ainline.org>,
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Krishna Manikandan <quic_mkrishn@...cinc.com>,
	Jonathan Marek <jonathan@...ek.ca>,
	Kuogee Hsieh <quic_khsieh@...cinc.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Srini Kandagatla <srinivas.kandagatla@...aro.org>
Subject: Re: [PATCH v2 07/16] dt-bindings: display/msm: qcom,sm8750-mdss: Add
 SM8750

On Mon, Feb 17, 2025 at 05:41:28PM +0100, Krzysztof Kozlowski wrote:
> Add MDSS/MDP display subsystem for Qualcomm SM8750 SoC, next generation
> with two revisions up of the IP block comparing to SM8650.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
>  .../bindings/display/msm/qcom,sm8750-mdss.yaml     | 460 +++++++++++++++++++++
>  1 file changed, 460 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sm8750-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sm8750-mdss.yaml
> new file mode 100644
> index 0000000000000000000000000000000000000000..cfa21b0d081338f1b94779594798f86284ba0677
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/msm/qcom,sm8750-mdss.yaml
> @@ -0,0 +1,460 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/msm/qcom,sm8750-mdss.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm SM8750 Display MDSS
> +
> +maintainers:
> +  - Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> +
> +description:
> +  SM8650 MSM Mobile Display Subsystem(MDSS), which encapsulates sub-blocks like
> +  DPU display controller, DSI and DP interfaces etc.
> +
> +$ref: /schemas/display/msm/mdss-common.yaml#
> +
> +properties:
> +  compatible:
> +    const: qcom,sm8750-mdss
> +
> +  clocks:
> +    items:
> +      - description: Display AHB
> +      - description: Display hf AXI
> +      - description: Display core
> +
> +  iommus:
> +    maxItems: 1
> +
> +  interconnects:
> +    maxItems: 2
> +
> +  interconnect-names:
> +    maxItems: 2
> +
> +patternProperties:
> +  "^display-controller@[0-9a-f]+$":
> +    type: object
> +    additionalProperties: true
> +    properties:
> +      compatible:
> +        const: qcom,sm8750-dpu
> +
> +  "^displayport-controller@[0-9a-f]+$":
> +    type: object
> +    additionalProperties: true
> +    properties:
> +      compatible:
> +        items:
> +          - const: qcom,sm8750-dp
> +          - const: qcom,sm8650-dp

Just use 'contains' here with the 8750 compatible. We'll check the order 
when the DP schema is applied.

Up to you what to do on the ones with a single compatible.

Rob