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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

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%YAML 1.2

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---

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$id: http://devicetree.org/schemas/display/bridge/lontium,lt8912b.yaml#

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$schema: http://devicetree.org/meta-schemas/core.yaml#

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title: Lontium LT8912B MIPI to HDMI Bridge

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maintainers:

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  - Adrien Grassein <adrien.grassein@gmail.com>

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description: |

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  The LT8912B is a bridge device which convert DSI to HDMI

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properties:

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  compatible:

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    enum:

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      - lontium,lt8912b

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  reg:

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    maxItems: 1

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  reset-gpios:

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    maxItems: 1

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    description: GPIO connected to active high RESET pin.

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  ports:

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

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    properties:

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      port@0:

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        $ref: /schemas/graph.yaml#/$defs/port-base

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        unevaluatedProperties: false

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        description:

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          Primary MIPI port for MIPI input

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        properties:

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          endpoint:

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            $ref: /schemas/media/video-interfaces.yaml#

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            unevaluatedProperties: false

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            properties:

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              data-lanes: true

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            required:

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              - data-lanes

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      port@1:

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

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        description: |

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          HDMI port, should be connected to a node compatible with the

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          hdmi-connector binding.

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    required:

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      - port@0

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      - port@1

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  vcchdmipll-supply:

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    description: A 1.8V supply that powers the HDMI PLL.

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  vcchdmitx-supply:

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    description: A 1.8V supply that powers the HDMI TX part.

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  vcclvdspll-supply:

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    description: A 1.8V supply that powers the LVDS PLL.

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  vcclvdstx-supply:

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    description: A 1.8V supply that powers the LVDS TX part.

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  vccmipirx-supply:

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    description: A 1.8V supply that powers the MIPI RX part.

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  vccsysclk-supply:

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    description: A 1.8V supply that powers the SYSCLK.

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  vdd-supply:

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    description: A 1.8V supply that powers the digital part.

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required:

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  - compatible

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  - reg

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  - reset-gpios

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  - ports

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additionalProperties: false

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examples:

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  - |

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    #include <dt-bindings/gpio/gpio.h>

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    i2c {

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      #address-cells = <1>;

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      #size-cells = <0>;

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      hdmi-bridge@48 {

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        compatible = "lontium,lt8912b";

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        reg = <0x48>;

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        reset-gpios = <&max7323 0 GPIO_ACTIVE_LOW>;

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        ports {

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          #address-cells = <1>;

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          #size-cells = <0>;

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          port@0 {

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            reg = <0>;

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            hdmi_out_in: endpoint {

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              data-lanes = <0 1 2 3>;

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              remote-endpoint = <&mipi_dsi_out>;

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            };

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          };

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          port@1 {

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              reg = <1>;

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              endpoint {

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                  remote-endpoint = <&hdmi_in>;

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              };

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          };

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        };

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      };

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    };

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...

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