linux-kernel - Re: [PATCH v2 1/6] dt-bindings: display: rockchip: rockchip,dw-hdmi: remove port property

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Message-ID: <20240201-raffle-frays-6b5a47faab69@spud>
Date: Thu, 1 Feb 2024 19:47:14 +0000
From: Conor Dooley <conor@...nel.org>
To: Johan Jonker <jbx6244@...il.com>
Cc: robh+dt@...nel.org, hjc@...k-chips.com, heiko@...ech.de,
	andy.yan@...k-chips.com, krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org, airlied@...il.com, daniel@...ll.ch,
	maarten.lankhorst@...ux.intel.com, tzimmermann@...e.de,
	mripard@...nel.org, markyao0591@...il.com,
	dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/6] dt-bindings: display: rockchip: rockchip,dw-hdmi:
 remove port property

On Wed, Jan 31, 2024 at 10:14:29PM +0100, Johan Jonker wrote:
> The hdmi-connector nodes are now functional and the new way to model
> hdmi ports nodes with both in and output port subnodes. Unfortunately
> with the conversion to YAML the old method with only an input port node
> was used. Later the new method was also added to the binding.
> A binding must be unambiguously, so remove the old port property
> entirely and make port@0 and port@1 a requirement as all
> upstream dts files are updated as well and because checking
> deprecated stuff is a bit pointless.
> Update the example to avoid use of the removed property.
> 
> Signed-off-by: Johan Jonker <jbx6244@...il.com>

Acked-by: Conor Dooley <conor.dooley@...rochip.com>

Thanks,
Conor.

> ---
> 
> Changed V2:
>   rename title from deprecate to remove
>   reword
> ---
>  .../display/rockchip/rockchip,dw-hdmi.yaml    | 24 +++++++++++++++----
>  1 file changed, 20 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
> index 7e59dee15a5f..391c2a7e79de 100644
> --- a/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
> +++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
> @@ -97,8 +97,8 @@ properties:
>    ports:
>      $ref: /schemas/graph.yaml#/properties/ports
> 
> -    patternProperties:
> -      "^port(@0)?$":
> +    properties:
> +      port@0:
>          $ref: /schemas/graph.yaml#/properties/port
>          description: Input of the DWC HDMI TX
>          properties:
> @@ -108,11 +108,14 @@ properties:
>              description: Connection to the VOPB
>            endpoint@1:
>              description: Connection to the VOPL
> -    properties:
>        port@1:
>          $ref: /schemas/graph.yaml#/properties/port
>          description: Output of the DWC HDMI TX
> 
> +    required:
> +      - port@0
> +      - port@1
> +
>    rockchip,grf:
>      $ref: /schemas/types.yaml#/definitions/phandle
>      description:
> @@ -147,7 +150,11 @@ examples:
>          clock-names = "iahb", "isfr";
> 
>          ports {
> -            port {
> +            #address-cells = <1>;
> +            #size-cells = <0>;
> +
> +            port@0 {
> +                reg = <0>;
>                  #address-cells = <1>;
>                  #size-cells = <0>;
> 
> @@ -155,11 +162,20 @@ examples:
>                      reg = <0>;
>                      remote-endpoint = <&vopb_out_hdmi>;
>                  };
> +
>                  hdmi_in_vopl: endpoint@1 {
>                      reg = <1>;
>                      remote-endpoint = <&vopl_out_hdmi>;
>                  };
>              };
> +
> +            port@1 {
> +                reg = <1>;
> +
> +                hdmi_out_con: endpoint {
> +                    remote-endpoint = <&hdmi_con_in>;
> +                };
> +            };
>          };
>      };
> 
> --
> 2.39.2
> 

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