# SPDX-License-Identifier: GPL-2.0 %YAML 1.2 --- $id: http://devicetree.org/schemas/display/allwinner,sun4i-a10-hdmi.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Allwinner A10 HDMI Controller description: | The HDMI Encoder supports the HDMI video and audio outputs, and does CEC. It is one end of the pipeline. maintainers: - Chen-Yu Tsai - Maxime Ripard properties: compatible: oneOf: - const: allwinner,sun4i-a10-hdmi - const: allwinner,sun5i-a10s-hdmi - const: allwinner,sun6i-a31-hdmi - items: - const: allwinner,sun7i-a20-hdmi - const: allwinner,sun5i-a10s-hdmi reg: maxItems: 1 interrupts: maxItems: 1 clocks: oneOf: - items: - description: The HDMI interface clock - description: The HDMI module clock - description: The first video PLL - description: The second video PLL - items: - description: The HDMI interface clock - description: The HDMI module clock - description: The HDMI DDC clock - description: The first video PLL - description: The second video PLL clock-names: oneOf: - items: - const: ahb - const: mod - const: pll-0 - const: pll-1 - items: - const: ahb - const: mod - const: ddc - const: pll-0 - const: pll-1 resets: maxItems: 1 dmas: items: - description: DDC Transmission DMA Channel - description: DDC Reception DMA Channel - description: Audio Transmission DMA Channel dma-names: items: - const: ddc-tx - const: ddc-rx - const: audio-tx 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. Usually an HDMI connector. required: - port@0 - port@1 required: - compatible - reg - interrupts - clocks - clock-names - dmas - dma-names if: properties: compatible: contains: const: allwinner,sun6i-a31-hdmi then: properties: clocks: minItems: 5 clock-names: minItems: 5 required: - resets additionalProperties: false examples: - | #include #include #include hdmi: hdmi@1c16000 { compatible = "allwinner,sun4i-a10-hdmi"; reg = <0x01c16000 0x1000>; interrupts = <58>; clocks = <&ccu CLK_AHB_HDMI0>, <&ccu CLK_HDMI>, <&ccu CLK_PLL_VIDEO0_2X>, <&ccu CLK_PLL_VIDEO1_2X>; clock-names = "ahb", "mod", "pll-0", "pll-1"; dmas = <&dma SUN4I_DMA_NORMAL 16>, <&dma SUN4I_DMA_NORMAL 16>, <&dma SUN4I_DMA_DEDICATED 24>; dma-names = "ddc-tx", "ddc-rx", "audio-tx"; ports { #address-cells = <1>; #size-cells = <0>; hdmi_in: port@0 { #address-cells = <1>; #size-cells = <0>; reg = <0>; hdmi_in_tcon0: endpoint@0 { reg = <0>; remote-endpoint = <&tcon0_out_hdmi>; }; hdmi_in_tcon1: endpoint@1 { reg = <1>; remote-endpoint = <&tcon1_out_hdmi>; }; }; hdmi_out: port@1 { reg = <1>; }; }; }; ...