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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/display/allwinner,sun9i-a80-deu.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,sun9i-a80-deu.yaml#

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

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title: Allwinner A80 Detail Enhancement Unit

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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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description: |

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  The DEU (Detail Enhancement Unit), found in the Allwinner A80 SoC,

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  can sharpen the display content in both luma and chroma channels.

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properties:

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  compatible:

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    const: allwinner,sun9i-a80-deu

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  reg:

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    maxItems: 1

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  interrupts:

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    maxItems: 1

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  clocks:

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    items:

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      - description: The DEU interface clock

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      - description: The DEU module clock

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      - description: The DEU DRAM clock

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  clock-names:

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    items:

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      - const: ahb

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      - const: mod

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      - const: ram

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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@0

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      - port@1

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required:

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  - compatible

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  - reg

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  - interrupts

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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/interrupt-controller/arm-gic.h>

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    #include <dt-bindings/clock/sun9i-a80-de.h>

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    #include <dt-bindings/reset/sun9i-a80-de.h>

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    deu0: deu@3300000 {

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        compatible = "allwinner,sun9i-a80-deu";

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        reg = <0x03300000 0x40000>;

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        interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;

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        clocks = <&de_clocks CLK_BUS_DEU0>,

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                 <&de_clocks CLK_IEP_DEU0>,

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                 <&de_clocks CLK_DRAM_DEU0>;

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        clock-names = "ahb",

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                      "mod",

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                      "ram";

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        resets = <&de_clocks RST_DEU0>;

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        ports {

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            #address-cells = <1>;

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            #size-cells = <0>;

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            deu0_in: port@0 {

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                reg = <0>;

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                deu0_in_fe0: endpoint {

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                    remote-endpoint = <&fe0_out_deu0>;

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                };

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            };

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            deu0_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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                deu0_out_be0: endpoint@0 {

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                    reg = <0>;

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                    remote-endpoint = <&be0_in_deu0>;

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                };

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                deu0_out_be1: endpoint@1 {

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                    reg = <1>;

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                    remote-endpoint = <&be1_in_deu0>;

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                };

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            };

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        };

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    };

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...

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