1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/display/bridge/renesas,lvds.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Renesas R-Car LVDS Encoder 8 9maintainers: 10 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> 11 12description: | 13 These DT bindings describe the LVDS encoder embedded in the Renesas R-Car 14 Gen2, R-Car Gen3, RZ/G1 and RZ/G2 SoCs. 15 16properties: 17 compatible: 18 enum: 19 - renesas,r8a7742-lvds # for RZ/G1H compatible LVDS encoders 20 - renesas,r8a7743-lvds # for RZ/G1M compatible LVDS encoders 21 - renesas,r8a7744-lvds # for RZ/G1N compatible LVDS encoders 22 - renesas,r8a774a1-lvds # for RZ/G2M compatible LVDS encoders 23 - renesas,r8a774b1-lvds # for RZ/G2N compatible LVDS encoders 24 - renesas,r8a774c0-lvds # for RZ/G2E compatible LVDS encoders 25 - renesas,r8a774e1-lvds # for RZ/G2H compatible LVDS encoders 26 - renesas,r8a7790-lvds # for R-Car H2 compatible LVDS encoders 27 - renesas,r8a7791-lvds # for R-Car M2-W compatible LVDS encoders 28 - renesas,r8a7793-lvds # for R-Car M2-N compatible LVDS encoders 29 - renesas,r8a7795-lvds # for R-Car H3 compatible LVDS encoders 30 - renesas,r8a7796-lvds # for R-Car M3-W compatible LVDS encoders 31 - renesas,r8a77965-lvds # for R-Car M3-N compatible LVDS encoders 32 - renesas,r8a77970-lvds # for R-Car V3M compatible LVDS encoders 33 - renesas,r8a77980-lvds # for R-Car V3H compatible LVDS encoders 34 - renesas,r8a77990-lvds # for R-Car E3 compatible LVDS encoders 35 - renesas,r8a77995-lvds # for R-Car D3 compatible LVDS encoders 36 37 reg: 38 maxItems: 1 39 40 clocks: 41 minItems: 1 42 maxItems: 4 43 44 clock-names: 45 minItems: 1 46 maxItems: 4 47 48 resets: 49 maxItems: 1 50 51 ports: 52 $ref: /schemas/graph.yaml#/properties/ports 53 54 properties: 55 port@0: 56 $ref: /schemas/graph.yaml#/properties/port 57 description: Parallel RGB input port 58 59 port@1: 60 $ref: /schemas/graph.yaml#/properties/port 61 description: LVDS output port 62 63 required: 64 - port@0 65 - port@1 66 67 power-domains: 68 maxItems: 1 69 70 renesas,companion: 71 $ref: /schemas/types.yaml#/definitions/phandle 72 description: 73 phandle to the companion LVDS encoder. This property is mandatory 74 for the first LVDS encoder on R-Car D3 and E3, and RZ/G2E SoCs, and shall 75 point to the second encoder to be used as a companion in dual-link mode. 76 It shall not be set for any other LVDS encoder. 77 78required: 79 - compatible 80 - reg 81 - clocks 82 - power-domains 83 - resets 84 - ports 85 86if: 87 properties: 88 compatible: 89 enum: 90 - renesas,r8a774c0-lvds 91 - renesas,r8a77990-lvds 92 - renesas,r8a77995-lvds 93then: 94 properties: 95 clocks: 96 minItems: 1 97 maxItems: 4 98 items: 99 - description: Functional clock 100 - description: EXTAL input clock 101 - description: DU_DOTCLKIN0 input clock 102 - description: DU_DOTCLKIN1 input clock 103 104 clock-names: 105 minItems: 1 106 maxItems: 4 107 items: 108 - const: fck 109 # The LVDS encoder can use the EXTAL or DU_DOTCLKINx clocks. 110 # These clocks are optional. 111 - enum: 112 - extal 113 - dclkin.0 114 - dclkin.1 115 - enum: 116 - extal 117 - dclkin.0 118 - dclkin.1 119 - enum: 120 - extal 121 - dclkin.0 122 - dclkin.1 123 124 required: 125 - clock-names 126 127else: 128 properties: 129 clocks: 130 maxItems: 1 131 items: 132 - description: Functional clock 133 134 clock-names: 135 maxItems: 1 136 items: 137 - const: fck 138 139 renesas,companion: false 140 141additionalProperties: false 142 143examples: 144 - | 145 #include <dt-bindings/clock/renesas-cpg-mssr.h> 146 #include <dt-bindings/power/r8a7795-sysc.h> 147 148 lvds@feb90000 { 149 compatible = "renesas,r8a7795-lvds"; 150 reg = <0xfeb90000 0x14>; 151 clocks = <&cpg CPG_MOD 727>; 152 power-domains = <&sysc R8A7795_PD_ALWAYS_ON>; 153 resets = <&cpg 727>; 154 155 ports { 156 #address-cells = <1>; 157 #size-cells = <0>; 158 159 port@0 { 160 reg = <0>; 161 lvds_in: endpoint { 162 remote-endpoint = <&du_out_lvds0>; 163 }; 164 }; 165 port@1 { 166 reg = <1>; 167 lvds_out: endpoint { 168 remote-endpoint = <&panel_in>; 169 }; 170 }; 171 }; 172 }; 173 174 - | 175 #include <dt-bindings/clock/renesas-cpg-mssr.h> 176 #include <dt-bindings/power/r8a77990-sysc.h> 177 178 lvds0: lvds@feb90000 { 179 compatible = "renesas,r8a77990-lvds"; 180 reg = <0xfeb90000 0x20>; 181 clocks = <&cpg CPG_MOD 727>, 182 <&x13_clk>, 183 <&extal_clk>; 184 clock-names = "fck", "dclkin.0", "extal"; 185 power-domains = <&sysc R8A77990_PD_ALWAYS_ON>; 186 resets = <&cpg 727>; 187 188 renesas,companion = <&lvds1>; 189 190 ports { 191 #address-cells = <1>; 192 #size-cells = <0>; 193 194 port@0 { 195 reg = <0>; 196 lvds0_in: endpoint { 197 remote-endpoint = <&du_out_lvds0>; 198 }; 199 }; 200 port@1 { 201 reg = <1>; 202 lvds0_out: endpoint { 203 remote-endpoint = <&panel_in1>; 204 }; 205 }; 206 }; 207 }; 208 209 lvds1: lvds@feb90100 { 210 compatible = "renesas,r8a77990-lvds"; 211 reg = <0xfeb90100 0x20>; 212 clocks = <&cpg CPG_MOD 727>, 213 <&x13_clk>, 214 <&extal_clk>; 215 clock-names = "fck", "dclkin.0", "extal"; 216 power-domains = <&sysc R8A77990_PD_ALWAYS_ON>; 217 resets = <&cpg 726>; 218 219 ports { 220 #address-cells = <1>; 221 #size-cells = <0>; 222 223 port@0 { 224 reg = <0>; 225 lvds1_in: endpoint { 226 remote-endpoint = <&du_out_lvds1>; 227 }; 228 }; 229 port@1 { 230 reg = <1>; 231 lvds1_out: endpoint { 232 remote-endpoint = <&panel_in2>; 233 }; 234 }; 235 }; 236 }; 237 238... 239