| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/display/mediatek/mediatek,hdmi.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Mediatek HDMI Encoder Device Tree Bindings |
| |
| maintainers: |
| - CK Hu <ck.hu@mediatek.com> |
| - Jitao shi <jitao.shi@mediatek.com> |
| |
| description: | |
| The Mediatek HDMI encoder can generate HDMI 1.4a or MHL 2.0 signals from |
| its parallel input. |
| |
| properties: |
| compatible: |
| enum: |
| - mediatek,mt2701-hdmi |
| - mediatek,mt7623-hdmi |
| - mediatek,mt8167-hdmi |
| - mediatek,mt8173-hdmi |
| |
| reg: |
| maxItems: 1 |
| |
| interrupts: |
| maxItems: 1 |
| |
| clocks: |
| items: |
| - description: Pixel Clock |
| - description: HDMI PLL |
| - description: Bit Clock |
| - description: S/PDIF Clock |
| |
| clock-names: |
| items: |
| - const: pixel |
| - const: pll |
| - const: bclk |
| - const: spdif |
| |
| phys: |
| maxItems: 1 |
| |
| phy-names: |
| items: |
| - const: hdmi |
| |
| mediatek,syscon-hdmi: |
| $ref: '/schemas/types.yaml#/definitions/phandle-array' |
| maxItems: 1 |
| description: | |
| phandle link and register offset to the system configuration registers. |
| |
| ports: |
| $ref: /schemas/graph.yaml#/properties/ports |
| |
| properties: |
| port@0: |
| $ref: /schemas/graph.yaml#/properties/port |
| description: | |
| Input port node. This port should be connected to a DPI output port. |
| |
| port@1: |
| $ref: /schemas/graph.yaml#/properties/port |
| description: | |
| Output port node. This port should be connected to the input port of a connector |
| node that contains a ddc-i2c-bus property, or to the input port of an attached |
| bridge chip, such as a SlimPort transmitter. |
| |
| required: |
| - port@0 |
| - port@1 |
| |
| required: |
| - compatible |
| - reg |
| - interrupts |
| - clocks |
| - clock-names |
| - phys |
| - phy-names |
| - mediatek,syscon-hdmi |
| - ports |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/clock/mt8173-clk.h> |
| #include <dt-bindings/interrupt-controller/arm-gic.h> |
| #include <dt-bindings/interrupt-controller/irq.h> |
| hdmi0: hdmi@14025000 { |
| compatible = "mediatek,mt8173-hdmi"; |
| reg = <0x14025000 0x400>; |
| interrupts = <GIC_SPI 206 IRQ_TYPE_LEVEL_LOW>; |
| clocks = <&mmsys CLK_MM_HDMI_PIXEL>, |
| <&mmsys CLK_MM_HDMI_PLLCK>, |
| <&mmsys CLK_MM_HDMI_AUDIO>, |
| <&mmsys CLK_MM_HDMI_SPDIF>; |
| clock-names = "pixel", "pll", "bclk", "spdif"; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&hdmi_pin>; |
| phys = <&hdmi_phy>; |
| phy-names = "hdmi"; |
| mediatek,syscon-hdmi = <&mmsys 0x900>; |
| |
| ports { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| port@0 { |
| reg = <0>; |
| |
| hdmi0_in: endpoint { |
| remote-endpoint = <&dpi0_out>; |
| }; |
| }; |
| |
| port@1 { |
| reg = <1>; |
| |
| hdmi0_out: endpoint { |
| remote-endpoint = <&hdmi_con_in>; |
| }; |
| }; |
| }; |
| }; |
| |
| ... |