Re: [PATCH 12/14] dt-bindings: ata: Convert Broadcom SATA to YAML

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On 2021/12/02 5:51, Florian Fainelli wrote:
> Convert the Broadcom SATA3 AHCI controller Device Tree binding to YAML
> to help with validation.
> 
> Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
> ---
>  .../bindings/ata/brcm,sata-brcm.txt           | 45 ---------
>  .../bindings/ata/brcm,sata-brcm.yaml          | 91 +++++++++++++++++++
>  2 files changed, 91 insertions(+), 45 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/ata/brcm,sata-brcm.txt
>  create mode 100644 Documentation/devicetree/bindings/ata/brcm,sata-brcm.yaml
> 
> diff --git a/Documentation/devicetree/bindings/ata/brcm,sata-brcm.txt b/Documentation/devicetree/bindings/ata/brcm,sata-brcm.txt
> deleted file mode 100644
> index b9ae4ce4a0a0..000000000000
> --- a/Documentation/devicetree/bindings/ata/brcm,sata-brcm.txt
> +++ /dev/null
> @@ -1,45 +0,0 @@
> -* Broadcom SATA3 AHCI Controller
> -
> -SATA nodes are defined to describe on-chip Serial ATA controllers.
> -Each SATA controller should have its own node.
> -
> -Required properties:
> -- compatible         : should be one or more of
> -			"brcm,bcm7216-ahci"
> -			"brcm,bcm7425-ahci"
> -			"brcm,bcm7445-ahci"
> -			"brcm,bcm-nsp-ahci"
> -			"brcm,sata3-ahci"
> -			"brcm,bcm63138-ahci"
> -- reg                : register mappings for AHCI and SATA_TOP_CTRL
> -- reg-names          : "ahci" and "top-ctrl"
> -- interrupts         : interrupt mapping for SATA IRQ
> -
> -Optional properties:
> -
> -- reset: for "brcm,bcm7216-ahci" must be a valid reset phandle
> -  pointing to the RESCAL reset controller provider node.
> -- reset-names: for "brcm,bcm7216-ahci", must be "rescal".
> -
> -Also see ahci-platform.txt.
> -
> -Example:
> -
> -	sata@f045a000 {
> -		compatible = "brcm,bcm7445-ahci", "brcm,sata3-ahci";
> -		reg = <0xf045a000 0xa9c>, <0xf0458040 0x24>;
> -		reg-names = "ahci", "top-ctrl";
> -		interrupts = <0 30 0>;
> -		#address-cells = <1>;
> -		#size-cells = <0>;
> -
> -		sata0: sata-port@0 {
> -			reg = <0>;
> -			phys = <&sata_phy 0>;
> -		};
> -
> -		sata1: sata-port@1 {
> -			reg = <1>;
> -			phys = <&sata_phy 1>;
> -		};
> -	};
> diff --git a/Documentation/devicetree/bindings/ata/brcm,sata-brcm.yaml b/Documentation/devicetree/bindings/ata/brcm,sata-brcm.yaml
> new file mode 100644
> index 000000000000..4098d56872ae
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/ata/brcm,sata-brcm.yaml
> @@ -0,0 +1,91 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/ata/brcm,sata-brcm.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Broadcom SATA3 AHCI Controller
> +
> +description:
> +  SATA nodes are defined to describe on-chip Serial ATA controllers.
> +  Each SATA controller should have its own node.
> +
> +maintainers:
> +  - Florian Fainelli <f.fainelli@xxxxxxxxx>
> +
> +allOf:
> +  - $ref: sata-common.yaml#
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - items:
> +          - enum:
> +              - brcm,bcm7216-ahci
> +          - const: brcm,sata3-ahci
> +      - items:
> +          - enum:
> +              - brcm,bcm7445-ahci
> +          - const: brcm,sata3-ahci
> +      - items:
> +          - enum:
> +              - brcm,bcm7425-ahci
> +          - const: brcm,sata3-ahci
> +      - items:
> +          - const: brcm,bcm-nsp-ahci
> +      - items:
> +          - const: brcm,bcm63138-ahci
> +
> +  reg:
> +    minItems: 2
> +    maxItems: 2
> +
> +  reg-names:
> +    items:
> +      - const: ahci
> +      - const: top-ctrl
> +
> +  interrupts: true
> +
> +if:
> +  properties:
> +    compatible:
> +      contains:
> +        enum:
> +          - brcm,bcm7216-ahci
> +then:
> +  properties:
> +    resets: true
> +    reset-names:
> +      items:
> +        - const: rescal
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - "#address-cells"
> +  - "#size-cells"
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    sata@f045a000 {
> +        compatible = "brcm,bcm7445-ahci", "brcm,sata3-ahci";
> +        reg = <0xf045a000 0xa9c>, <0xf0458040 0x24>;
> +        reg-names = "ahci", "top-ctrl";
> +        interrupts = <0 30 0>;
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        sata0: sata-port@0 {
> +            reg = <0>;
> +            phys = <&sata_phy 0>;
> +        };
> +
> +        sata1: sata-port@1 {
> +            reg = <1>;
> +            phys = <&sata_phy 1>;
> +        };
> +    };
> 

Acked-by: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>

Rob,

Will take this through your tree ?

-- 
Damien Le Moal
Western Digital Research



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