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     type: object
  46
  47     properties:
  48       "#address-cells":
  49         const: 1
  50
  51       "#size-cells":
  52         const: 0
  53
  54       port@0:
  55         type: object
  56         additionalProperties: false
  57
  58         description: |
  59           Video port for RGB input
  60
  61         properties:
  62           reg:
  63             const: 0
  64
  65         patternProperties:
  66           endpoint:
  67             type: object
  68             additionalProperties: false
  69
  70             properties:
  71               data-lines:
  72                 enum: [ 16, 18, 24 ]
  73
  74               remote-endpoint: true
  75
  76         required:
  77           - reg
  78
  79       port@1:
  80         type: object
  81         additionalProperties: false
  82
  83         description: |
  84           Video port for DSI output (panel or connector).
  85
  86         properties:
  87           reg:
  88             const: 1
  89
  90         patternProperties:
  91           endpoint:
  92             type: object
  93             additionalProperties: false
  94
  95             properties:
  96               remote-endpoint: true
  97
  98         required:
  99           - reg
 100
 101     required:
 102       - "#address-cells"
 103       - "#size-cells"
 104       - port@0
 105       - port@1
 106
 107 required:
 108   - compatible
 109   - reg
 110   - vddc-supply
 111   - vddmipi-supply
 112   - vddio-supply
 113   - ports
 114
 115 additionalProperties: false
 116
 117 examples:
 118   - |
 119     #include <dt-bindings/gpio/gpio.h>
 120
 121     i2c1 {
 122       #address-cells = <1>;
 123       #size-cells = <0>;
 124
 125       dsi_bridge: dsi-bridge@e {
 126         compatible = "toshiba,tc358768";
 127         reg = <0xe>;
 128
 129         clocks = <&tc358768_refclk>;
 130         clock-names = "refclk";
 131
 132         reset-gpios = <&pcf_display_board 0 GPIO_ACTIVE_LOW>;
 133
 134         vddc-supply = <&v1_2d>;
 135         vddmipi-supply = <&v1_2d>;
 136         vddio-supply = <&v3_3d>;
 137
 138         dsi_bridge_ports: ports {
 139           #address-cells = <1>;
 140           #size-cells = <0>;
 141
 142           port@0 {
 143             reg = <0>;
 144             rgb_in: endpoint {
 145               remote-endpoint = <&dpi_out>;
 146               data-lines = <24>;
 147             };
 148           };
 149
 150           port@1 {
 151             reg = <1>;
 152             dsi_out: endpoint {
 153               remote-endpoint = <&lcd_in>;
 154             };
 155           };
 156         };
 157       };
 158     };
 159