Documentation / devicetree / bindings / display / allwinner,sun8i-r40-tcon-top.yaml


Based on kernel version 6.8. Page generated on 2024-03-11 21:26 EST.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329
# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/allwinner,sun8i-r40-tcon-top.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Allwinner R40 TCON TOP

maintainers:
  - Chen-Yu Tsai <wens@csie.org>
  - Maxime Ripard <mripard@kernel.org>

description: |
  TCON TOPs main purpose is to configure whole display pipeline. It
  determines relationships between mixers and TCONs, selects source
  TCON for HDMI, muxes LCD and TV encoder GPIO output, selects TV
  encoder clock source and contains additional TV TCON and DSI gates.
 
  It allows display pipeline to be configured in very different ways:
 
                                  / LCD0/LVDS0
                   / [0] TCON-LCD0
                   |              \ MIPI DSI
   mixer0          |
          \        / [1] TCON-LCD1 - LCD1/LVDS1
           TCON-TOP
          /        \ [2] TCON-TV0 [0] - TVE0/RGB
   mixer1          |                  \
                   |                   TCON-TOP - HDMI
                   |                  /
                   \ [3] TCON-TV1 [1] - TVE1/RGB
 
  Note that both TCON TOP references same physical unit. Both mixers
  can be connected to any TCON. Not all TCON TOP variants support all
  features.

properties:
  "#clock-cells":
    const: 1

  compatible:
    enum:
      - allwinner,sun8i-r40-tcon-top
      - allwinner,sun20i-d1-tcon-top
      - allwinner,sun50i-h6-tcon-top

  reg:
    maxItems: 1

  clocks:
    minItems: 2
    maxItems: 6

  clock-names:
    minItems: 2
    maxItems: 6

  clock-output-names:
    minItems: 1
    maxItems: 3

  resets:
    maxItems: 1

  ports:
    $ref: /schemas/graph.yaml#/properties/ports

    properties:
      port@0:
        $ref: /schemas/graph.yaml#/properties/port
        description: |
          Input endpoint for Mixer 0 mux.

      port@1:
        $ref: /schemas/graph.yaml#/properties/port
        description: |
          Output endpoint for Mixer 0 mux

      port@2:
        $ref: /schemas/graph.yaml#/properties/port
        description: |
          Input endpoint for Mixer 1 mux.

      port@3:
        $ref: /schemas/graph.yaml#/properties/port
        description: |
          Output endpoint for Mixer 1 mux

      port@4:
        $ref: /schemas/graph.yaml#/properties/port
        description: |
          Input endpoint for HDMI mux.

      port@5:
        $ref: /schemas/graph.yaml#/properties/port
        description: |
          Output endpoint for HDMI mux

    required:
      - port@0
      - port@1
      - port@4
      - port@5

required:
  - "#clock-cells"
  - compatible
  - reg
  - clocks
  - clock-names
  - clock-output-names
  - resets
  - ports

additionalProperties: false

allOf:
  - if:
      properties:
        compatible:
          contains:
            const: allwinner,sun8i-r40-tcon-top

    then:
      properties:
        clocks:
          items:
            - description: The TCON TOP interface clock
            - description: The TCON TOP TV0 clock
            - description: The TCON TOP TVE0 clock
            - description: The TCON TOP TV1 clock
            - description: The TCON TOP TVE1 clock
            - description: The TCON TOP MIPI DSI clock

        clock-names:
          items:
            - const: bus
            - const: tcon-tv0
            - const: tve0
            - const: tcon-tv1
            - const: tve1
            - const: dsi

        clock-output-names:
          items:
            - description: TCON TV0 output clock name
            - description: TCON TV1 output clock name
            - description: DSI output clock name

        ports:
          required:
            - port@2
            - port@3

  - if:
      properties:
        compatible:
          contains:
            const: allwinner,sun20i-d1-tcon-top

    then:
      properties:
        clocks:
          items:
            - description: The TCON TOP interface clock
            - description: The TCON TOP TV0 clock
            - description: The TCON TOP TVE0 clock
            - description: The TCON TOP MIPI DSI clock

        clock-names:
          items:
            - const: bus
            - const: tcon-tv0
            - const: tve0
            - const: dsi

        clock-output-names:
          items:
            - description: TCON TV0 output clock name
            - description: DSI output clock name

  - if:
      properties:
        compatible:
          contains:
            const: allwinner,sun50i-h6-tcon-top

    then:
      properties:
        clocks:
          items:
            - description: The TCON TOP interface clock
            - description: The TCON TOP TV0 clock

        clock-names:
          items:
            - const: bus
            - const: tcon-tv0

        clock-output-names:
          items:
            - description: TCON TV0 output clock name

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
 
    #include <dt-bindings/clock/sun8i-r40-ccu.h>
    #include <dt-bindings/reset/sun8i-r40-ccu.h>
 
      tcon_top: tcon-top@1c70000 {
          compatible = "allwinner,sun8i-r40-tcon-top";
          reg = <0x01c70000 0x1000>;
          clocks = <&ccu CLK_BUS_TCON_TOP>,
                   <&ccu CLK_TCON_TV0>,
                   <&ccu CLK_TVE0>,
                   <&ccu CLK_TCON_TV1>,
                   <&ccu CLK_TVE1>,
                   <&ccu CLK_DSI_DPHY>;
          clock-names = "bus",
                        "tcon-tv0",
                        "tve0",
                        "tcon-tv1",
                        "tve1",
                        "dsi";
          clock-output-names = "tcon-top-tv0",
                               "tcon-top-tv1",
                               "tcon-top-dsi";
          resets = <&ccu RST_BUS_TCON_TOP>;
          #clock-cells = <1>;
 
          ports {
              #address-cells = <1>;
              #size-cells = <0>;
 
              tcon_top_mixer0_in: port@0 {
                  reg = <0>;
 
                  tcon_top_mixer0_in_mixer0: endpoint {
                      remote-endpoint = <&mixer0_out_tcon_top>;
                  };
              };
 
              tcon_top_mixer0_out: port@1 {
                  #address-cells = <1>;
                  #size-cells = <0>;
                  reg = <1>;
 
                  tcon_top_mixer0_out_tcon_lcd0: endpoint@0 {
                      reg = <0>;
                  };
 
                  tcon_top_mixer0_out_tcon_lcd1: endpoint@1 {
                      reg = <1>;
                  };
 
                  tcon_top_mixer0_out_tcon_tv0: endpoint@2 {
                      reg = <2>;
                      remote-endpoint = <&tcon_tv0_in_tcon_top_mixer0>;
                  };
 
                  tcon_top_mixer0_out_tcon_tv1: endpoint@3 {
                      reg = <3>;
                      remote-endpoint = <&tcon_tv1_in_tcon_top_mixer0>;
                  };
              };
 
              tcon_top_mixer1_in: port@2 {
                  #address-cells = <1>;
                  #size-cells = <0>;
                  reg = <2>;
 
                  tcon_top_mixer1_in_mixer1: endpoint@1 {
                      reg = <1>;
                      remote-endpoint = <&mixer1_out_tcon_top>;
                  };
              };
 
              tcon_top_mixer1_out: port@3 {
                  #address-cells = <1>;
                  #size-cells = <0>;
                  reg = <3>;
 
                  tcon_top_mixer1_out_tcon_lcd0: endpoint@0 {
                      reg = <0>;
                  };
 
                  tcon_top_mixer1_out_tcon_lcd1: endpoint@1 {
                      reg = <1>;
                  };
 
                  tcon_top_mixer1_out_tcon_tv0: endpoint@2 {
                      reg = <2>;
                      remote-endpoint = <&tcon_tv0_in_tcon_top_mixer1>;
                  };
 
                  tcon_top_mixer1_out_tcon_tv1: endpoint@3 {
                      reg = <3>;
                      remote-endpoint = <&tcon_tv1_in_tcon_top_mixer1>;
                  };
              };
 
              tcon_top_hdmi_in: port@4 {
                  #address-cells = <1>;
                  #size-cells = <0>;
                  reg = <4>;
 
                  tcon_top_hdmi_in_tcon_tv0: endpoint@0 {
                      reg = <0>;
                      remote-endpoint = <&tcon_tv0_out_tcon_top>;
                  };
 
                  tcon_top_hdmi_in_tcon_tv1: endpoint@1 {
                      reg = <1>;
                      remote-endpoint = <&tcon_tv1_out_tcon_top>;
                  };
              };
 
              tcon_top_hdmi_out: port@5 {
                  reg = <5>;
 
                  tcon_top_hdmi_out_hdmi: endpoint {
                      remote-endpoint = <&hdmi_in_tcon_top>;
                  };
              };
          };
      };

...