Commit 9e699b89 authored by Kunihiko Hayashi's avatar Kunihiko Hayashi Committed by Rob Herring
Browse files

dt-bindings: soc: socionext: Add UniPhier AHCI glue layer 



Add DT binding schema for components belonging to the platform-specific
AHCI glue layer implemented in UniPhier SoCs.

This AHCI glue layer works as a sideband logic for the host controller,
including core reset, PHYs, and some signals to the controller.

Signed-off-by: default avatarKunihiko Hayashi <hayashi.kunihiko@socionext.com>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221213082449.2721-18-hayashi.kunihiko@socionext.com


Signed-off-by: default avatarRob Herring <robh@kernel.org>
parent 5993f6bd

Documentation/devicetree/bindings/soc/socionext/socionext,uniphier-ahci-glue.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/soc/socionext/socionext,uniphier-ahci-glue.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Socionext UniPhier SoC AHCI glue layer



maintainers:

  - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>



description: |+

  AHCI glue layer implemented on Socionext UniPhier SoCs is a sideband

  logic handling signals to AHCI host controller inside AHCI component.



properties:

  compatible:

    items:

      - enum:

          - socionext,uniphier-pro4-ahci-glue

          - socionext,uniphier-pxs2-ahci-glue

          - socionext,uniphier-pxs3-ahci-glue

      - const: simple-mfd



  reg:

    maxItems: 1



  "#address-cells":

    const: 1



  "#size-cells":

    const: 1



  ranges: true



patternProperties:

  "^reset-controller@[0-9a-f]+$":

    $ref: /schemas/reset/socionext,uniphier-glue-reset.yaml#



  "phy@[0-9a-f]+$":

    $ref: /schemas/phy/socionext,uniphier-ahci-phy.yaml#



required:

  - compatible

  - reg



additionalProperties: false



examples:

  - |

    sata-controller@65700000 {

        compatible = "socionext,uniphier-pxs3-ahci-glue", "simple-mfd";

        reg = <0x65b00000 0x400>;

        #address-cells = <1>;

        #size-cells = <1>;

        ranges = <0 0x65700000 0x100>;



        reset-controller@0 {

            compatible = "socionext,uniphier-pxs3-ahci-reset";

            reg = <0x0 0x4>;

            clock-names = "link";

            clocks = <&sys_clk 28>;

            reset-names = "link";

            resets = <&sys_rst 28>;

            #reset-cells = <1>;

        };



        phy@10 {

            compatible = "socionext,uniphier-pxs3-ahci-phy";

            reg = <0x10 0x10>;

            clock-names = "link", "phy";

            clocks = <&sys_clk 28>, <&sys_clk 30>;

            reset-names = "link", "phy";

            resets = <&sys_rst 28>, <&sys_rst 30>;

            #phy-cells = <0>;

        };

    };