Re: [PATCH] dt-bindings: ata: rcar-sata: Convert to json-schema

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Hi Geert,

Thanks for your work.

On 2020-02-19 16:41:46 +0100, Geert Uytterhoeven wrote:
> Convert the Renesas R-Car Serial-ATA Device Tree binding documentation
> to json-schema.
> 
> While at it:
>   - Remove the deprecated "renesas,rcar-sata" compatible value,
>   - Add "iommus", "power-domains", and "resets" properties,
>   - Update the example.
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>

> ---
> Not having to care about the deprecated value simplifies the
> jscon-schema.
> ---
>  .../bindings/ata/renesas,rcar-sata.yaml       | 71 +++++++++++++++++++
>  .../devicetree/bindings/ata/sata_rcar.txt     | 36 ----------
>  2 files changed, 71 insertions(+), 36 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/ata/renesas,rcar-sata.yaml
>  delete mode 100644 Documentation/devicetree/bindings/ata/sata_rcar.txt
> 
> diff --git a/Documentation/devicetree/bindings/ata/renesas,rcar-sata.yaml b/Documentation/devicetree/bindings/ata/renesas,rcar-sata.yaml
> new file mode 100644
> index 0000000000000000..7b69831060d8b9c5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/ata/renesas,rcar-sata.yaml
> @@ -0,0 +1,71 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/ata/renesas,rcar-sata.yaml#";
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#";
> +
> +title: Renesas R-Car Serial-ATA Interface
> +
> +maintainers:
> +  - Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - items:
> +          - enum:
> +              - renesas,sata-r8a7779      # R-Car H1
> +      - items:
> +          - enum:
> +              - renesas,sata-r8a7790-es1  # R-Car H2 ES1
> +              - renesas,sata-r8a7790      # R-Car H2 other than ES1
> +              - renesas,sata-r8a7791      # R-Car M2-W
> +              - renesas,sata-r8a7793      # R-Car M2-N
> +          - const: renesas,rcar-gen2-sata # generic R-Car Gen2
> +      - items:
> +          - enum:
> +              - renesas,sata-r8a774b1     # RZ/G2N
> +              - renesas,sata-r8a7795      # R-Car H3
> +              - renesas,sata-r8a77965     # R-Car M3-N
> +          - const: renesas,rcar-gen3-sata # generic R-Car Gen3 or RZ/G2
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  iommus:
> +    maxItems: 1
> +
> +  power-domains:
> +    maxItems: 1
> +
> +  resets:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clocks
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/r8a7791-cpg-mssr.h>
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/power/r8a7791-sysc.h>
> +
> +    sata@ee300000 {
> +            compatible = "renesas,sata-r8a7791", "renesas,rcar-gen2-sata";
> +            reg = <0xee300000 0x200000>;
> +            interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>;
> +            clocks = <&cpg CPG_MOD 815>;
> +            power-domains = <&sysc R8A7791_PD_ALWAYS_ON>;
> +            resets = <&cpg 815>;
> +    };
> diff --git a/Documentation/devicetree/bindings/ata/sata_rcar.txt b/Documentation/devicetree/bindings/ata/sata_rcar.txt
> deleted file mode 100644
> index a2fbdc91570d0f7c..0000000000000000
> --- a/Documentation/devicetree/bindings/ata/sata_rcar.txt
> +++ /dev/null
> @@ -1,36 +0,0 @@
> -* Renesas R-Car SATA
> -
> -Required properties:
> -- compatible		: should contain one or more of the following:
> -			  - "renesas,sata-r8a774b1" for RZ/G2N
> -			  - "renesas,sata-r8a7779" for R-Car H1
> -			  - "renesas,sata-r8a7790-es1" for R-Car H2 ES1
> -			  - "renesas,sata-r8a7790" for R-Car H2 other than ES1
> -			  - "renesas,sata-r8a7791" for R-Car M2-W
> -			  - "renesas,sata-r8a7793" for R-Car M2-N
> -			  - "renesas,sata-r8a7795" for R-Car H3
> -			  - "renesas,sata-r8a77965" for R-Car M3-N
> -			  - "renesas,rcar-gen2-sata" for a generic R-Car Gen2
> -			     compatible device
> -			  - "renesas,rcar-gen3-sata" for a generic R-Car Gen3 or
> -			     RZ/G2 compatible device
> -			  - "renesas,rcar-sata" is deprecated
> -
> -			  When compatible with the generic version nodes
> -			  must list the SoC-specific version corresponding
> -			  to the platform first followed by the generic
> -			  version.
> -
> -- reg			: address and length of the SATA registers;
> -- interrupts		: must consist of one interrupt specifier.
> -- clocks		: must contain a reference to the functional clock.
> -
> -Example:
> -
> -sata0: sata@ee300000 {
> -	compatible = "renesas,sata-r8a7791", "renesas,rcar-gen2-sata";
> -	reg = <0 0xee300000 0 0x2000>;
> -	interrupt-parent = <&gic>;
> -	interrupts = <0 105 IRQ_TYPE_LEVEL_HIGH>;
> -	clocks = <&mstp8_clks R8A7791_CLK_SATA0>;
> -};
> -- 
> 2.17.1
> 

-- 
Regards,
Niklas Söderlund



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