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                 enum: [ 16, 18, 24 ]
  62
  63       port@1:
  64         $ref: /schemas/graph.yaml#/properties/port
  65         description: |
  66           Video port for DSI output (panel or connector).
  67
  68     required:
  69       - port@0
  70       - port@1
  71
  72 required:
  73   - compatible
  74   - reg
  75   - vddc-supply
  76   - vddmipi-supply
  77   - vddio-supply
  78   - ports
  79
  80 allOf:
  81   - $ref: ../dsi-controller.yaml#
  82
  83 unevaluatedProperties: false
  84
  85 examples:
  86   - |
  87     #include <dt-bindings/gpio/gpio.h>
  88
  89     i2c1 {
  90       #address-cells = <1>;
  91       #size-cells = <0>;
  92
  93       dsi_bridge: dsi@e {
  94         compatible = "toshiba,tc358768";
  95         reg = <0xe>;
  96
  97         clocks = <&tc358768_refclk>;
  98         clock-names = "refclk";
  99
 100         reset-gpios = <&pcf_display_board 0 GPIO_ACTIVE_LOW>;
 101
 102         vddc-supply = <&v1_2d>;
 103         vddmipi-supply = <&v1_2d>;
 104         vddio-supply = <&v3_3d>;
 105
 106         dsi_bridge_ports: ports {
 107           #address-cells = <1>;
 108           #size-cells = <0>;
 109
 110           port@0 {
 111             reg = <0>;
 112             rgb_in: endpoint {
 113               remote-endpoint = <&dpi_out>;
 114               data-lines = <24>;
 115             };
 116           };
 117
 118           port@1 {
 119             reg = <1>;
 120             dsi_out: endpoint {
 121               remote-endpoint = <&lcd_in>;
 122             };
 123           };
 124         };
 125       };
 126     };