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|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/bridge/lontium,lt8912b.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Lontium LT8912B MIPI to HDMI Bridge
maintainers:
- Adrien Grassein <adrien.grassein@gmail.com>
description: |
The LT8912B is a bridge device which convert DSI to HDMI
properties:
compatible:
enum:
- lontium,lt8912b
reg:
maxItems: 1
reset-gpios:
maxItems: 1
description: GPIO connected to active high RESET pin.
ports:
$ref: /schemas/graph.yaml#/properties/ports
properties:
port@0:
$ref: /schemas/graph.yaml#/$defs/port-base
unevaluatedProperties: false
description:
Primary MIPI port for MIPI input
properties:
endpoint:
$ref: /schemas/media/video-interfaces.yaml#
unevaluatedProperties: false
properties:
data-lanes: true
required:
- data-lanes
port@1:
$ref: /schemas/graph.yaml#/properties/port
description: |
HDMI port, should be connected to a node compatible with the
hdmi-connector binding.
required:
- port@0
- port@1
vcchdmipll-supply:
description: A 1.8V supply that powers the HDMI PLL.
vcchdmitx-supply:
description: A 1.8V supply that powers the HDMI TX part.
vcclvdspll-supply:
description: A 1.8V supply that powers the LVDS PLL.
vcclvdstx-supply:
description: A 1.8V supply that powers the LVDS TX part.
vccmipirx-supply:
description: A 1.8V supply that powers the MIPI RX part.
vccsysclk-supply:
description: A 1.8V supply that powers the SYSCLK.
vdd-supply:
description: A 1.8V supply that powers the digital part.
required:
- compatible
- reg
- reset-gpios
- ports
additionalProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
hdmi-bridge@48 {
compatible = "lontium,lt8912b";
reg = <0x48>;
reset-gpios = <&max7323 0 GPIO_ACTIVE_LOW>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
hdmi_out_in: endpoint {
data-lanes = <0 1 2 3>;
remote-endpoint = <&mipi_dsi_out>;
};
};
port@1 {
reg = <1>;
endpoint {
remote-endpoint = <&hdmi_in>;
};
};
};
};
};
...
|
