Re: [PATCH v4] dt-bindings: convert ata/cortina,gemini-sata-bridge to yaml

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On 10/02/2022 17:07, Corentin Labbe wrote:
> This patch converts ata/cortina,gemini-sata-bridge binding to yaml
> 
> Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
> Acked-by: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Corentin Labbe <clabbe@xxxxxxxxxxxx>
> ---
> Change since v1:
> - fixed cosmetic nits reported by Damien Le Moal
> Changes since v2:
> - Added blank lines between properties
> - Removed useless quotes and label
> - Re-indented description
> Change since v3:
> - fixed all min/maxitems reported by Krzysztof Kozlowski
> 
>  .../ata/cortina,gemini-sata-bridge.txt        |  55 ---------
>  .../ata/cortina,gemini-sata-bridge.yaml       | 109 ++++++++++++++++++
>  2 files changed, 109 insertions(+), 55 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.txt
>  create mode 100644 Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.yaml
> 
> diff --git a/Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.txt b/Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.txt
> deleted file mode 100644
> index 1c3d3cc70051..000000000000
> --- a/Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.txt
> +++ /dev/null
> @@ -1,55 +0,0 @@
> -* Cortina Systems Gemini SATA Bridge
> -
> -The Gemini SATA bridge in a SoC-internal PATA to SATA bridge that
> -takes two Faraday Technology FTIDE010 PATA controllers and bridges
> -them in different configurations to two SATA ports.
> -
> -Required properties:
> -- compatible: should be
> -  "cortina,gemini-sata-bridge"
> -- reg: registers and size for the block
> -- resets: phandles to the reset lines for both SATA bridges
> -- reset-names: must be "sata0", "sata1"
> -- clocks: phandles to the compulsory peripheral clocks
> -- clock-names: must be "SATA0_PCLK", "SATA1_PCLK"
> -- syscon: a phandle to the global Gemini system controller
> -- cortina,gemini-ata-muxmode: tell the desired multiplexing mode for
> -  the ATA controller and SATA bridges. Values 0..3:
> -  Mode 0: ata0 master <-> sata0
> -          ata1 master <-> sata1
> -          ata0 slave interface brought out on IDE pads
> -  Mode 1: ata0 master <-> sata0
> -          ata1 master <-> sata1
> -          ata1 slave interface brought out on IDE pads
> -  Mode 2: ata1 master <-> sata1
> -          ata1 slave  <-> sata0
> -          ata0 master and slave interfaces brought out
> -               on IDE pads
> -  Mode 3: ata0 master <-> sata0
> -          ata0 slave  <-> sata1
> -          ata1 master and slave interfaces brought out
> -               on IDE pads
> -
> -Optional boolean properties:
> -- cortina,gemini-enable-ide-pins: enables the PATA to IDE connection.
> -  The muxmode setting decides whether ATA0 or ATA1 is brought out,
> -  and whether master, slave or both interfaces get brought out.
> -- cortina,gemini-enable-sata-bridge: enables the PATA to SATA bridge
> -  inside the Gemnini SoC. The Muxmode decides what PATA blocks will
> -  be muxed out and how.
> -
> -Example:
> -
> -sata: sata@46000000 {
> -	compatible = "cortina,gemini-sata-bridge";
> -	reg = <0x46000000 0x100>;
> -	resets = <&rcon 26>, <&rcon 27>;
> -	reset-names = "sata0", "sata1";
> -	clocks = <&gcc GEMINI_CLK_GATE_SATA0>,
> -		 <&gcc GEMINI_CLK_GATE_SATA1>;
> -	clock-names = "SATA0_PCLK", "SATA1_PCLK";
> -	syscon = <&syscon>;
> -	cortina,gemini-ata-muxmode = <3>;
> -	cortina,gemini-enable-ide-pins;
> -	cortina,gemini-enable-sata-bridge;
> -};
> diff --git a/Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.yaml b/Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.yaml
> new file mode 100644
> index 000000000000..77af2559b097
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.yaml
> @@ -0,0 +1,109 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/ata/cortina,gemini-sata-bridge.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Cortina Systems Gemini SATA Bridge
> +
> +maintainers:
> +  - Linus Walleij <linus.walleij@xxxxxxxxxx>
> +
> +description: |
> +    The Gemini SATA bridge in a SoC-internal PATA to SATA bridge that
> +    takes two Faraday Technology FTIDE010 PATA controllers and bridges
> +    them in different configurations to two SATA ports.
> +
> +properties:
> +  compatible:
> +    const: cortina,gemini-sata-bridge
> +
> +  reg:
> +    maxItems: 1
> +
> +  resets:
> +    minItems: 2
> +    maxItems: 2
> +    description: phandles to the reset lines for both SATA bridges
> +
> +  reset-names:
> +    items:
> +      - const: sata0
> +      - const: sata1
> +
> +  clocks:
> +    minItems: 2
> +    maxItems: 2
> +    description: phandles to the compulsory peripheral clocks
> +
> +  clock-names:
> +    items:
> +      - const: SATA0_PCLK
> +      - const: SATA1_PCLK
> +
> +  syscon:
> +    maxItems: 1

My bad, I am sorry for misleading you earlier, this is just a phandle,
so should be without any min/maxItems.

> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description: a phandle to the global Gemini system controller
> +

With maxItems removed:

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx>


Best regards,
Krzysztof



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