Documentation/devicetree/bindings/display/bridge/toshiba,tc358768.yaml

   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/toshiba,tc358768.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Toschiba TC358768/TC358778 Parallel RGB to MIPI DSI bridge
   8
   9 maintainers:
  10   - Peter Ujfalusi <peter.ujfalusi@ti.com>
  11
  12 description: |
  13   The TC358768/TC358778 is bridge device which converts RGB to DSI.
  14
  15 properties:
  16   compatible:
  17     enum:
  18       - toshiba,tc358768
  19       - toshiba,tc358778
  20
  21   reg:
  22     maxItems: 1
  23     description: base I2C address of the device
  24
  25   reset-gpios:
  26     maxItems: 1
  27     description: GPIO connected to active low RESX pin
  28
  29   vddc-supply:
  30     description: Regulator for 1.2V internal core power.
  31
  32   vddmipi-supply:
  33     description: Regulator for 1.2V for the MIPI.
  34
  35   vddio-supply:
  36     description: Regulator for 1.8V - 3.3V IO power.
  37
  38   clocks:
  39     maxItems: 1
  40
  41   clock-names:
  42     const: refclk
  43
  44   ports:
  45     $ref: /schemas/graph.yaml#/properties/ports
  46
  47     properties:
  48       port@0:
  49         $ref: /schemas/graph.yaml#/$defs/port-base
  50         unevaluatedProperties: false
  51         description: |
  52           Video port for RGB input
  53
  54         properties:
  55           endpoint:
  56             $ref: /schemas/graph.yaml#/$defs/endpoint-base
  57             unevaluatedProperties: false
  58
  59             properties:
  60               data-lines:
  61                 $ref: /schemas/types.yaml#/definitions/uint32
  62                 enum: [ 16, 18, 24 ]
  63
  64       port@1:
  65         $ref: /schemas/graph.yaml#/properties/port
  66         description: |
  67           Video port for DSI output (panel or connector).
  68
  69     required:
  70       - port@0
  71       - port@1
  72
  73 required:
  74   - compatible
  75   - reg
  76   - vddc-supply
  77   - vddmipi-supply
  78   - vddio-supply
  79   - ports
  80
  81 allOf:
  82   - $ref: ../dsi-controller.yaml#
  83
  84 unevaluatedProperties: false
  85
  86 examples:
  87   - |
  88     #include <dt-bindings/gpio/gpio.h>
  89
  90     i2c1 {
  91       #address-cells = <1>;
  92       #size-cells = <0>;
  93
  94       dsi_bridge: dsi@e {
  95         compatible = "toshiba,tc358768";
  96         reg = <0xe>;
  97
  98         clocks = <&tc358768_refclk>;
  99         clock-names = "refclk";
 100
 101         reset-gpios = <&pcf_display_board 0 GPIO_ACTIVE_LOW>;
 102
 103         vddc-supply = <&v1_2d>;
 104         vddmipi-supply = <&v1_2d>;
 105         vddio-supply = <&v3_3d>;
 106
 107         dsi_bridge_ports: ports {
 108           #address-cells = <1>;
 109           #size-cells = <0>;
 110
 111           port@0 {
 112             reg = <0>;
 113             rgb_in: endpoint {
 114               remote-endpoint = <&dpi_out>;
 115               data-lines = <24>;
 116             };
 117           };
 118
 119           port@1 {
 120             reg = <1>;
 121             dsi_out: endpoint {
 122               remote-endpoint = <&lcd_in>;
 123             };
 124           };
 125         };
 126       };
 127     };