linux-kernel - Re: [PATCH v1 17/19] dt-bindings: display: tegra: document Tegra20 and Tegra30 CSI

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Message-ID: <20250819203007.GA1266319-robh@kernel.org>
Date: Tue, 19 Aug 2025 15:30:07 -0500
From: Rob Herring <robh@...nel.org>
To: Svyatoslav Ryhel <clamor95@...il.com>
Cc: Thierry Reding <thierry.reding@...il.com>,
	Thierry Reding <treding@...dia.com>,
	Mikko Perttunen <mperttunen@...dia.com>,
	Jonathan Hunter <jonathanh@...dia.com>,
	Sowjanya Komatineni <skomatineni@...dia.com>,
	Luca Ceresoli <luca.ceresoli@...tlin.com>,
	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>,
	Peter De Schrijver <pdeschrijver@...dia.com>,
	Prashant Gaikwad <pgaikwad@...dia.com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Dmitry Osipenko <digetx@...il.com>,
	Charan Pedumuru <charan.pedumuru@...il.com>,
	linux-media@...r.kernel.org, linux-tegra@...r.kernel.org,
	dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
	linux-staging@...ts.linux.dev
Subject: Re: [PATCH v1 17/19] dt-bindings: display: tegra: document Tegra20
 and Tegra30 CSI

On Tue, Aug 19, 2025 at 03:16:29PM +0300, Svyatoslav Ryhel wrote:
> Document CSI hw block found in Tegra20 and Tegra30 SoC.
> 
> Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
> ---
>  .../display/tegra/nvidia,tegra210-csi.yaml    | 78 +++++++++++++++----
>  1 file changed, 63 insertions(+), 15 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra210-csi.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra210-csi.yaml
> index fa07a40d1004..a5669447a33b 100644
> --- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra210-csi.yaml
> +++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra210-csi.yaml
> @@ -16,30 +16,78 @@ properties:
>  
>    compatible:
>      enum:
> +      - nvidia,tegra20-csi
> +      - nvidia,tegra30-csi
>        - nvidia,tegra210-csi
>  
>    reg:
>      maxItems: 1
>  
> -  clocks:
> -    items:
> -      - description: module clock
> -      - description: A/B lanes clock
> -      - description: C/D lanes clock
> -      - description: E lane clock
> -      - description: test pattern generator clock
> -
> -  clock-names:
> -    items:
> -      - const: csi
> -      - const: cilab
> -      - const: cilcd
> -      - const: cile
> -      - const: csi_tpg
> +  clocks: true
> +  clock-names: true
>  
>    power-domains:
>      maxItems: 1
>  
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - nvidia,tegra20-csi
> +    then:
> +      properties:
> +        clocks:
> +          items:
> +            - description: module clock
> +
> +        clock-names:
> +          items:
> +            - const: csi
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - nvidia,tegra30-csi
> +    then:
> +      properties:
> +        clocks:
> +          items:
> +            - description: module clock
> +            - description: PAD A clock
> +            - description: PAD B clock
> +
> +        clock-names:
> +          items:
> +            - const: csi
> +            - const: csia_pad
> +            - const: csib_pad
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - nvidia,tegra210-csi
> +    then:
> +      properties:
> +        clocks:
> +          items:
> +            - description: module clock
> +            - description: A/B lanes clock
> +            - description: C/D lanes clock
> +            - description: E lane clock
> +            - description: test pattern generator clock
> +
> +        clock-names:
> +          items:
> +            - const: csi
> +            - const: cilab
> +            - const: cilcd
> +            - const: cile
> +            - const: csi_tpg
> +

This is longer that what's the same. I think this should be a separate 
schema doc.

Rob