# SPDX-License-Identifier: GPL-2.0 %YAML 1.2 --- $id: http://devicetree.org/schemas/display/allwinner,sun4i-a10-display-frontend.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Allwinner A10 Display Engine Frontend maintainers: - Chen-Yu Tsai - Maxime Ripard description: | The display engine frontend does formats conversion, scaling, deinterlacing and color space conversion. properties: compatible: enum: - allwinner,sun4i-a10-display-frontend - allwinner,sun5i-a13-display-frontend - allwinner,sun6i-a31-display-frontend - allwinner,sun7i-a20-display-frontend - allwinner,sun8i-a23-display-frontend - allwinner,sun8i-a33-display-frontend - allwinner,sun9i-a80-display-frontend reg: maxItems: 1 interrupts: maxItems: 1 clocks: items: - description: The frontend interface clock - description: The frontend module clock - description: The frontend DRAM clock clock-names: items: - const: ahb - const: mod - const: ram # FIXME: This should be made required eventually once every SoC will # have the MBUS declared. interconnects: maxItems: 1 # FIXME: This should be made required eventually once every SoC will # have the MBUS declared. interconnect-names: const: dma-mem resets: maxItems: 1 ports: $ref: /schemas/graph.yaml#/properties/ports properties: port@0: $ref: /schemas/graph.yaml#/properties/port description: | Input endpoints of the controller. port@1: $ref: /schemas/graph.yaml#/properties/port description: | Output endpoints of the controller. required: - port@1 required: - compatible - reg - interrupts - clocks - clock-names - resets - ports additionalProperties: false examples: - | #include #include fe0: display-frontend@1e00000 { compatible = "allwinner,sun4i-a10-display-frontend"; reg = <0x01e00000 0x20000>; interrupts = <47>; clocks = <&ccu CLK_AHB_DE_FE0>, <&ccu CLK_DE_FE0>, <&ccu CLK_DRAM_DE_FE0>; clock-names = "ahb", "mod", "ram"; resets = <&ccu RST_DE_FE0>; ports { #address-cells = <1>; #size-cells = <0>; fe0_out: port@1 { #address-cells = <1>; #size-cells = <0>; reg = <1>; fe0_out_be0: endpoint@0 { reg = <0>; remote-endpoint = <&be0_in_fe0>; }; fe0_out_be1: endpoint@1 { reg = <1>; remote-endpoint = <&be1_in_fe0>; }; }; }; }; ...