[PATCH v2 1/2] dt-bindings: phy: Add UniPhier AHCI PHY description

Vinod Koul vkoul at kernel.org
Mon Jul 13 00:59:40 EDT 2020


On 30-06-20, 17:59, Kunihiko Hayashi wrote:
> Add DT bindings for PHY interface built into ahci controller implemented
> in UniPhier SoCs.

Rob ?

> 
> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko at socionext.com>
> ---
>  .../bindings/phy/socionext,uniphier-ahci-phy.yaml  | 76 ++++++++++++++++++++++
>  1 file changed, 76 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml
> 
> diff --git a/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml b/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml
> new file mode 100644
> index 0000000..bab2ff4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml
> @@ -0,0 +1,76 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/phy/socionext,uniphier-ahci-phy.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Socionext UniPhier AHCI PHY
> +
> +description: |
> +  This describes the deivcetree bindings for PHY interfaces built into
> +  AHCI controller implemented on Socionext UniPhier SoCs.
> +
> +maintainers:
> +  - Kunihiko Hayashi <hayashi.kunihiko at socionext.com>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - socionext,uniphier-pxs2-ahci-phy
> +      - socionext,uniphier-pxs3-ahci-phy
> +
> +  reg:
> +    description: PHY register region (offset and length)
> +
> +  "#phy-cells":
> +    const: 0
> +
> +  clocks:
> +    maxItems: 2
> +
> +  clock-names:
> +    oneOf:
> +      - items:          # for PXs2
> +        - const: link
> +      - items:          # for others
> +        - const: link
> +        - const: phy
> +
> +  resets:
> +    maxItems: 2
> +
> +  reset-names:
> +    items:
> +      - const: link
> +      - const: phy
> +
> +required:
> +  - compatible
> +  - reg
> +  - "#phy-cells"
> +  - clocks
> +  - clock-names
> +  - resets
> +  - reset-names
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    ahci-glue at 65700000 {
> +        compatible = "socionext,uniphier-pxs3-ahci-glue",
> +                     "simple-mfd";
> +        #address-cells = <1>;
> +        #size-cells = <1>;
> +        ranges = <0 0x65700000 0x100>;
> +
> +        ahci_phy: phy at 10 {
> +            compatible = "socionext,uniphier-pxs3-ahci-phy";
> +            reg = <0x10 0x10>;
> +            #phy-cells = <0>;
> +            clock-names = "link", "phy";
> +            clocks = <&sys_clk 28>, <&sys_clk 30>;
> +            reset-names = "link", "phy";
> +            resets = <&sys_rst 28>, <&sys_rst 30>;
> +        };
> +    };
> -- 
> 2.7.4

-- 
~Vinod



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