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1# SPDX-License-Identifier: GPL-2.02%YAML 1.23---4$id: http://devicetree.org/schemas/display/bridge/lvds-codec.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Transparent LVDS encoders and decoders8 9maintainers:10 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>11 12description: |13 This binding supports transparent LVDS encoders and decoders that don't14 require any configuration.15 16 LVDS is a physical layer specification defined in ANSI/TIA/EIA-644-A. Multiple17 incompatible data link layers have been used over time to transmit image data18 to LVDS panels. This binding targets devices compatible with the following19 specifications only.20 21 [JEIDA] "Digital Interface Standards for Monitor", JEIDA-59-1999, February22 1999 (Version 1.0), Japan Electronic Industry Development Association (JEIDA)23 [LDI] "Open LVDS Display Interface", May 1999 (Version 0.95), National24 Semiconductor25 [VESA] "VESA Notebook Panel Standard", October 2007 (Version 1.0), Video26 Electronics Standards Association (VESA)27 28 Those devices have been marketed under the FPD-Link and FlatLink brand names29 among others.30 31properties:32 compatible:33 oneOf:34 - items:35 - enum:36 - ti,ds90c185 # For the TI DS90C185 FPD-Link Serializer37 - ti,ds90c187 # For the TI DS90C187 FPD-Link Serializer38 - ti,sn75lvds83 # For the TI SN75LVDS83 FlatLink transmitter39 - const: lvds-encoder # Generic LVDS encoder compatible fallback40 - items:41 - enum:42 - ti,ds90cf364a # For the DS90CF364A FPD-Link LVDS Receiver43 - ti,ds90cf384a # For the DS90CF384A FPD-Link LVDS Receiver44 - ti,sn65lvds94 # For the SN65DS94 LVDS serdes45 - const: lvds-decoder # Generic LVDS decoders compatible fallback46 - enum:47 - thine,thc63lvdm83d # For the THC63LVDM83D LVDS serializer48 49 ports:50 $ref: /schemas/graph.yaml#/properties/ports51 52 properties:53 port@0:54 $ref: /schemas/graph.yaml#/$defs/port-base55 unevaluatedProperties: false56 description: |57 For LVDS encoders, port 0 is the parallel input58 For LVDS decoders, port 0 is the LVDS input59 60 properties:61 endpoint:62 $ref: /schemas/media/video-interfaces.yaml#63 unevaluatedProperties: false64 65 properties:66 data-mapping:67 enum:68 - jeida-1869 - jeida-2470 - vesa-2471 description: |72 The color signals mapping order. See details in73 Documentation/devicetree/bindings/display/lvds.yaml74 75 port@1:76 $ref: /schemas/graph.yaml#/properties/port77 description: |78 For LVDS encoders, port 1 is the LVDS output79 For LVDS decoders, port 1 is the parallel output80 81 required:82 - port@083 - port@184 85 pclk-sample:86 description:87 Data sampling on rising or falling edge.88 enum:89 - 0 # Falling edge90 - 1 # Rising edge91 default: 092 93 powerdown-gpios:94 description:95 The GPIO used to control the power down line of this device.96 maxItems: 197 98 power-supply: true99 100allOf:101 - if:102 not:103 properties:104 compatible:105 contains:106 const: lvds-decoder107 then:108 properties:109 ports:110 properties:111 port@0:112 properties:113 endpoint:114 properties:115 data-mapping: false116 117 - if:118 not:119 properties:120 compatible:121 contains:122 const: lvds-encoder123 then:124 properties:125 pclk-sample: false126 127required:128 - compatible129 - ports130 131additionalProperties: false132 133 134examples:135 - |136 lvds-encoder {137 compatible = "ti,ds90c185", "lvds-encoder";138 139 ports {140 #address-cells = <1>;141 #size-cells = <0>;142 143 port@0 {144 reg = <0>;145 146 lvds_enc_in: endpoint {147 remote-endpoint = <&display_out_rgb>;148 };149 };150 151 port@1 {152 reg = <1>;153 154 lvds_enc_out: endpoint {155 remote-endpoint = <&lvds_panel_in>;156 };157 };158 };159 };160 161 - |162 lvds-decoder {163 compatible = "ti,ds90cf384a", "lvds-decoder";164 165 ports {166 #address-cells = <1>;167 #size-cells = <0>;168 169 port@0 {170 reg = <0>;171 172 lvds_dec_in: endpoint {173 remote-endpoint = <&display_out_lvds>;174 };175 };176 177 port@1 {178 reg = <1>;179 180 lvds_dec_out: endpoint {181 remote-endpoint = <&rgb_panel_in>;182 };183 };184 };185 };186 187...188