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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/display/allwinner,sun8i-a83t-de2-mixer.yaml
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# SPDX-License-Identifier: GPL-2.0

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%YAML 1.2

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---

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$id: http://devicetree.org/schemas/display/allwinner,sun8i-a83t-de2-mixer.yaml#

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

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title: Allwinner Display Engine 2.0 Mixer

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maintainers:

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  - Chen-Yu Tsai <wens@csie.org>

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  - Maxime Ripard <mripard@kernel.org>

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properties:

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  compatible:

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    enum:

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      - allwinner,sun8i-a83t-de2-mixer-0

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      - allwinner,sun8i-a83t-de2-mixer-1

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      - allwinner,sun8i-h3-de2-mixer-0

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      - allwinner,sun8i-r40-de2-mixer-0

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      - allwinner,sun8i-r40-de2-mixer-1

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      - allwinner,sun8i-v3s-de2-mixer

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      - allwinner,sun20i-d1-de2-mixer-0

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      - allwinner,sun20i-d1-de2-mixer-1

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      - allwinner,sun50i-a64-de2-mixer-0

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      - allwinner,sun50i-a64-de2-mixer-1

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      - allwinner,sun50i-h6-de3-mixer-0

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      - allwinner,sun50i-h616-de33-mixer-0

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  reg: true

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  reg-names: true

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  clocks:

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    items:

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      - description: The mixer interface clock

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      - description: The mixer module clock

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  clock-names:

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    items:

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      - const: bus

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      - const: mod

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  iommus:

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    maxItems: 1

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  resets:

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    maxItems: 1

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  ports:

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    $ref: /schemas/graph.yaml#/properties/ports

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    properties:

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      port@0:

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        $ref: /schemas/graph.yaml#/properties/port

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        description: |

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          Input endpoints of the controller.

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      port@1:

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        $ref: /schemas/graph.yaml#/properties/port

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        description: |

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          Output endpoints of the controller.

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    required:

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      - port@1

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allOf:

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  - if:

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      properties:

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        compatible:

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          contains:

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            enum:

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              - allwinner,sun50i-h616-de33-mixer-0

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    then:

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      properties:

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        reg:

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          description: |

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            Registers for controlling individual layers of the display

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            engine (layers), global control (top), and display blending

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            control (display). Names are from Allwinner BSP kernel.

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          maxItems: 3

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        reg-names:

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          items:

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            - const: layers

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            - const: top

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            - const: display

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      required:

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        - reg-names

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    else:

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      properties:

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        reg:

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          maxItems: 1

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required:

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  - compatible

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  - reg

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  - clocks

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  - clock-names

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  - resets

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  - ports

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additionalProperties: false

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examples:

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  - |

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    #include <dt-bindings/clock/sun8i-de2.h>

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    #include <dt-bindings/reset/sun8i-de2.h>

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    mixer0: mixer@1100000 {

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        compatible = "allwinner,sun8i-a83t-de2-mixer-0";

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        reg = <0x01100000 0x100000>;

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        clocks = <&display_clocks CLK_BUS_MIXER0>,

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                 <&display_clocks CLK_MIXER0>;

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        clock-names = "bus",

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                      "mod";

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        resets = <&display_clocks RST_MIXER0>;

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        ports {

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            #address-cells = <1>;

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            #size-cells = <0>;

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            mixer0_out: port@1 {

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                #address-cells = <1>;

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                #size-cells = <0>;

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                reg = <1>;

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                mixer0_out_tcon0: endpoint@0 {

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                    reg = <0>;

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                    remote-endpoint = <&tcon0_in_mixer0>;

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                };

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                mixer0_out_tcon1: endpoint@1 {

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                    reg = <1>;

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                    remote-endpoint = <&tcon1_in_mixer0>;

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                };

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            };

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        };

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    };

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...

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