bindings/display/bridge/chipone,icn6211.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/chipone,icn6211.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Chipone ICN6211 MIPI-DSI to RGB Converter bridge
   8
   9 maintainers:
  10   - Jagan Teki <jagan@amarulasolutions.com>
  11
  12 description: |
  13   ICN6211 is MIPI-DSI to RGB Converter bridge from chipone.
  14
  15   It has a flexible configuration of MIPI DSI signal input and
  16   produce RGB565, RGB666, RGB888 output format.
  17
  18 properties:
  19   compatible:
  20     enum:
  21       - chipone,icn6211
  22
  23   reg:
  24     maxItems: 1
  25     description: virtual channel number of a DSI peripheral
  26
  27   clock-names:
  28     const: refclk
  29
  30   clocks:
  31     maxItems: 1
  32     description: |
  33         Optional external clock connected to REF_CLK input.
  34         The clock rate must be in 10..154 MHz range.
  35
  36   enable-gpios:
  37     description: Bridge EN pin, chip is reset when EN is low.
  38
  39   vdd1-supply:
  40     description: A 1.8V/2.5V/3.3V supply that power the MIPI RX.
  41
  42   vdd2-supply:
  43     description: A 1.8V/2.5V/3.3V supply that power the PLL.
  44
  45   vdd3-supply:
  46     description: A 1.8V/2.5V/3.3V supply that power the RGB output.
  47
  48   ports:
  49     $ref: /schemas/graph.yaml#/properties/ports
  50
  51     properties:
  52       port@0:
  53         $ref: /schemas/graph.yaml#/$defs/port-base
  54         unevaluatedProperties: false
  55         description:
  56           Video port for MIPI DSI input
  57
  58         properties:
  59           endpoint:
  60             $ref: /schemas/media/video-interfaces.yaml#
  61             unevaluatedProperties: false
  62
  63             properties:
  64               data-lanes:
  65                 description: array of physical DSI data lane indexes.
  66                 minItems: 1
  67                 items:
  68                   - const: 1
  69                   - const: 2
  70                   - const: 3
  71                   - const: 4
  72
  73       port@1:
  74         $ref: /schemas/graph.yaml#/properties/port
  75         description:
  76           Video port for MIPI DPI output (panel or connector).
  77
  78     required:
  79       - port@1
  80
  81 required:
  82   - compatible
  83   - reg
  84   - enable-gpios
  85   - ports
  86
  87 additionalProperties: false
  88
  89 examples:
  90   - |
  91     #include <dt-bindings/gpio/gpio.h>
  92
  93     dsi {
  94       #address-cells = <1>;
  95       #size-cells = <0>;
  96
  97       bridge@0 {
  98         compatible = "chipone,icn6211";
  99         reg = <0>;
 100         enable-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* LCD-RST: PL5 */
 101
 102         ports {
 103           #address-cells = <1>;
 104           #size-cells = <0>;
 105
 106           port@0 {
 107             reg = <0>;
 108
 109             bridge_in_dsi: endpoint {
 110               remote-endpoint = <&dsi_out_bridge>;
 111             };
 112           };
 113
 114           port@1 {
 115             reg = <1>;
 116
 117             bridge_out_panel: endpoint {
 118               remote-endpoint = <&panel_out_bridge>;
 119             };
 120           };
 121         };
 122       };
 123     };