2023-08-30 17:31:07 +02:00
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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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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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2023-10-24 12:59:35 +02:00
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i2c {
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2023-08-30 17:31:07 +02:00
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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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