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Date: Mon, 13 May 2024 14:35:04 -0500
From: Rob Herring <robh@kernel.org>
To: Aradhya Bhatia <a-bhatia1@ti.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>,
	Jyri Sarha <jyri.sarha@iki.fi>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
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	Thomas Zimmermann <tzimmermann@suse.de>,
	Neil Armstrong <neil.armstrong@linaro.org>,
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	Krzysztof Kozlowski <krzk+dt@kernel.org>,
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	Nishanth Menon <nm@ti.com>, Vignesh Raghavendra <vigneshr@ti.com>,
	Praneeth Bajjuri <praneeth@ti.com>, Udit Kumar <u-kumar1@ti.com>,
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Subject: Re: [PATCH 3/4] dt-bindings: display: ti,am65x-dss: Add OLDI
 properties for AM625 DSS
Message-ID: <20240513193504.GA3000298-robh@kernel.org>
References: <20240511193055.1686149-1-a-bhatia1@ti.com>
 <20240511193055.1686149-4-a-bhatia1@ti.com>
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In-Reply-To: <20240511193055.1686149-4-a-bhatia1@ti.com>

On Sun, May 12, 2024 at 01:00:54AM +0530, Aradhya Bhatia wrote:
> The DSS in AM625 SoC has 2 OLDI TXes. Refer the OLDI schema to add the
> properties.
> 
> Signed-off-by: Aradhya Bhatia <a-bhatia1@ti.com>
> ---
>  .../bindings/display/ti/ti,am65x-dss.yaml     | 136 +++++++++++++++++-
>  1 file changed, 135 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml b/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml
> index 399d68986326..4aa2de59b32b 100644
> --- a/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml
> +++ b/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml
> @@ -85,12 +85,30 @@ properties:
>  
>      properties:
>        port@0:
> -        $ref: /schemas/graph.yaml#/properties/port
> +        $ref: /schemas/graph.yaml#/$defs/port-base

You don't need this change. You aren't adding any extra properties.

>          description:
>            For AM65x DSS, the OLDI output port node from video port 1.
>            For AM625 DSS, the internal DPI output port node from video
>            port 1.
>            For AM62A7 DSS, the port is tied off inside the SoC.
> +        properties:
> +          endpoint@0:
> +            $ref: /schemas/graph.yaml#/properties/endpoint
> +            description:
> +              For AM625 DSS, VP Connection to OLDI0.
> +              For AM65X DSS, OLDI output from the SoC.
> +
> +          endpoint@1:
> +            $ref: /schemas/graph.yaml#/properties/endpoint
> +            description:
> +              For AM625 DSS, VP Connection to OLDI1.
> +
> +        anyOf:
> +          - required:
> +              - endpoint
> +          - required:
> +              - endpoint@0
> +              - endpoint@1
>  
>        port@1:
>          $ref: /schemas/graph.yaml#/properties/port
> @@ -112,6 +130,22 @@ properties:
>        Input memory (from main memory to dispc) bandwidth limit in
>        bytes per second
>  
> +  oldi-txes:
> +    type: object
> +    properties:
> +      "#address-cells":
> +        const: 1
> +
> +      "#size-cells":
> +        const: 0
> +
> +    patternProperties:
> +      '^oldi_tx@[0-1]$':
> +        type: object
> +        $ref: ti,am625-oldi.yaml#
> +        unevaluatedProperties: false
> +        description: OLDI transmitters connected to the DSS VPs

Connected to is not part of the DSS. I don't think these nodes belong 
here as mentioned in the other patch.

Rob