linux-kernel - Re: [PATCH] dt-bindings: altera-fpga2sdram-bridge: Convert to dtschema

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Date: Fri, 1 Mar 2024 16:23:30 +0000
From: Conor Dooley <conor@...nel.org>
To: Animesh Agarwal <animeshagarwal28@...il.com>
Cc: mdf@...nel.org, Wu Hao <hao.wu@...el.com>,
	Xu Yilun <yilun.xu@...el.com>, Tom Rix <trix@...hat.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>, linux-fpga@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: altera-fpga2sdram-bridge: Convert to
 dtschema

Hey,

On Fri, Mar 01, 2024 at 09:46:43PM +0530, Animesh Agarwal wrote:
> Convert the altera-fpga2sdram-bridge bindings to DT schema.
> 
> Signed-off-by: Animesh Agarwal <animeshagarwal28@...il.com>
> ---
>  .../fpga/altera-fpga2sdram-bridge.txt         | 13 -----------
>  .../fpga/altera-fpga2sdram-bridge.yaml        | 23 +++++++++++++++++++
>  2 files changed, 23 insertions(+), 13 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.txt
>  create mode 100644 Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.yaml
> 
> diff --git a/Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.txt b/Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.txt
> deleted file mode 100644
> index 5dd0ff0f7b4e..000000000000
> --- a/Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.txt
> +++ /dev/null
> @@ -1,13 +0,0 @@
> -Altera FPGA To SDRAM Bridge Driver
> -
> -Required properties:
> -- compatible		: Should contain "altr,socfpga-fpga2sdram-bridge"
> -
> -See Documentation/devicetree/bindings/fpga/fpga-bridge.txt for generic bindings.
> -
> -Example:
> -	fpga_bridge3: fpga-bridge@...25080 {
> -		compatible = "altr,socfpga-fpga2sdram-bridge";
> -		reg = <0xffc25080 0x4>;
> -		bridge-enable = <0>;
> -	};
> diff --git a/Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.yaml b/Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.yaml
> new file mode 100644
> index 000000000000..88bf9e3151b6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.yaml
> @@ -0,0 +1,23 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/fpga/altr-fpga2sdram-bridge.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Altera FPGA To SDRAM Bridge Driver
> +

You're missing maintainers: (shouldn't dt_binding_check complain?)

> +properties:
> +  compatible:
> +    enum:
> +      - altr,socfpga-fpga2sdram-bridge
> +
> +required:
> +  - compatible
> +

Missing "unevaluatedProperties: false".

> +examples:
> +  - |
> +    fpga_bridge3: fpga-bridge@...25080 {
> +        compatible = "altr,socfpga-fpga2sdram-bridge";
> +        reg = <0xffc25080 0x4>;
> +        bridge-enable = <0>;

This has not been documented in your binding. You need a ref to
fpga-bridge.yaml. Did you test this patch?

Cheers,
Conor.

> +    };
> -- 
> 2.44.0
> 

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