125 lines
2.6 KiB
YAML
125 lines
2.6 KiB
YAML
|
# 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>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
...
|