mediatek,hdmi.yaml (3246B)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/display/mediatek/mediatek,hdmi.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Mediatek HDMI Encoder Device Tree Bindings 8 9maintainers: 10 - CK Hu <ck.hu@mediatek.com> 11 - Jitao shi <jitao.shi@mediatek.com> 12 13description: | 14 The Mediatek HDMI encoder can generate HDMI 1.4a or MHL 2.0 signals from 15 its parallel input. 16 17properties: 18 compatible: 19 enum: 20 - mediatek,mt2701-hdmi 21 - mediatek,mt7623-hdmi 22 - mediatek,mt8167-hdmi 23 - mediatek,mt8173-hdmi 24 25 reg: 26 maxItems: 1 27 28 interrupts: 29 maxItems: 1 30 31 clocks: 32 items: 33 - description: Pixel Clock 34 - description: HDMI PLL 35 - description: Bit Clock 36 - description: S/PDIF Clock 37 38 clock-names: 39 items: 40 - const: pixel 41 - const: pll 42 - const: bclk 43 - const: spdif 44 45 phys: 46 maxItems: 1 47 48 phy-names: 49 items: 50 - const: hdmi 51 52 mediatek,syscon-hdmi: 53 $ref: '/schemas/types.yaml#/definitions/phandle-array' 54 items: 55 - items: 56 - description: phandle to system configuration registers 57 - description: register offset in the system configuration registers 58 description: | 59 phandle link and register offset to the system configuration registers. 60 61 ports: 62 $ref: /schemas/graph.yaml#/properties/ports 63 64 properties: 65 port@0: 66 $ref: /schemas/graph.yaml#/properties/port 67 description: | 68 Input port node. This port should be connected to a DPI output port. 69 70 port@1: 71 $ref: /schemas/graph.yaml#/properties/port 72 description: | 73 Output port node. This port should be connected to the input port of a connector 74 node that contains a ddc-i2c-bus property, or to the input port of an attached 75 bridge chip, such as a SlimPort transmitter. 76 77 required: 78 - port@0 79 - port@1 80 81required: 82 - compatible 83 - reg 84 - interrupts 85 - clocks 86 - clock-names 87 - phys 88 - phy-names 89 - mediatek,syscon-hdmi 90 - ports 91 92additionalProperties: false 93 94examples: 95 - | 96 #include <dt-bindings/clock/mt8173-clk.h> 97 #include <dt-bindings/interrupt-controller/arm-gic.h> 98 #include <dt-bindings/interrupt-controller/irq.h> 99 hdmi0: hdmi@14025000 { 100 compatible = "mediatek,mt8173-hdmi"; 101 reg = <0x14025000 0x400>; 102 interrupts = <GIC_SPI 206 IRQ_TYPE_LEVEL_LOW>; 103 clocks = <&mmsys CLK_MM_HDMI_PIXEL>, 104 <&mmsys CLK_MM_HDMI_PLLCK>, 105 <&mmsys CLK_MM_HDMI_AUDIO>, 106 <&mmsys CLK_MM_HDMI_SPDIF>; 107 clock-names = "pixel", "pll", "bclk", "spdif"; 108 pinctrl-names = "default"; 109 pinctrl-0 = <&hdmi_pin>; 110 phys = <&hdmi_phy>; 111 phy-names = "hdmi"; 112 mediatek,syscon-hdmi = <&mmsys 0x900>; 113 114 ports { 115 #address-cells = <1>; 116 #size-cells = <0>; 117 118 port@0 { 119 reg = <0>; 120 121 hdmi0_in: endpoint { 122 remote-endpoint = <&dpi0_out>; 123 }; 124 }; 125 126 port@1 { 127 reg = <1>; 128 129 hdmi0_out: endpoint { 130 remote-endpoint = <&hdmi_con_in>; 131 }; 132 }; 133 }; 134 }; 135 136...