116 lines
2.4 KiB
YAML
116 lines
2.4 KiB
YAML
|
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
|
||
|
%YAML 1.2
|
||
|
---
|
||
|
$id: http://devicetree.org/schemas/display/bridge/parade,ps8622.yaml#
|
||
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
||
|
|
||
|
title: Parade PS8622/PS8625 DisplayPort to LVDS Converter
|
||
|
|
||
|
maintainers:
|
||
|
- Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
|
||
|
|
||
|
properties:
|
||
|
compatible:
|
||
|
enum:
|
||
|
- parade,ps8622
|
||
|
- parade,ps8625
|
||
|
|
||
|
reg:
|
||
|
maxItems: 1
|
||
|
|
||
|
lane-count:
|
||
|
$ref: /schemas/types.yaml#/definitions/uint32
|
||
|
enum: [1, 2]
|
||
|
description: Number of DP lanes to use.
|
||
|
|
||
|
use-external-pwm:
|
||
|
type: boolean
|
||
|
description: Backlight will be controlled by an external PWM.
|
||
|
|
||
|
reset-gpios:
|
||
|
maxItems: 1
|
||
|
description: GPIO connected to RST_ pin.
|
||
|
|
||
|
sleep-gpios:
|
||
|
maxItems: 1
|
||
|
description: GPIO connected to PD_ pin.
|
||
|
|
||
|
vdd12-supply: true
|
||
|
|
||
|
ports:
|
||
|
$ref: /schemas/graph.yaml#/properties/ports
|
||
|
|
||
|
properties:
|
||
|
port@0:
|
||
|
$ref: /schemas/graph.yaml#/properties/port
|
||
|
description: Video port for LVDS output.
|
||
|
|
||
|
port@1:
|
||
|
$ref: /schemas/graph.yaml#/properties/port
|
||
|
description: Video port for DisplayPort input.
|
||
|
|
||
|
required:
|
||
|
- port@0
|
||
|
- port@1
|
||
|
|
||
|
required:
|
||
|
- compatible
|
||
|
- reg
|
||
|
- reset-gpios
|
||
|
- sleep-gpios
|
||
|
- ports
|
||
|
|
||
|
allOf:
|
||
|
- if:
|
||
|
properties:
|
||
|
compatible:
|
||
|
const: parade,ps8622
|
||
|
then:
|
||
|
properties:
|
||
|
lane-count:
|
||
|
const: 1
|
||
|
else:
|
||
|
properties:
|
||
|
lane-count:
|
||
|
const: 2
|
||
|
|
||
|
additionalProperties: false
|
||
|
|
||
|
examples:
|
||
|
- |
|
||
|
#include <dt-bindings/gpio/gpio.h>
|
||
|
i2c {
|
||
|
#address-cells = <1>;
|
||
|
#size-cells = <0>;
|
||
|
|
||
|
lvds-bridge@48 {
|
||
|
compatible = "parade,ps8625";
|
||
|
reg = <0x48>;
|
||
|
sleep-gpios = <&gpx3 5 GPIO_ACTIVE_HIGH>;
|
||
|
reset-gpios = <&gpy7 7 GPIO_ACTIVE_HIGH>;
|
||
|
lane-count = <2>;
|
||
|
use-external-pwm;
|
||
|
|
||
|
ports {
|
||
|
#address-cells = <1>;
|
||
|
#size-cells = <0>;
|
||
|
|
||
|
port@0 {
|
||
|
reg = <0>;
|
||
|
|
||
|
bridge_out: endpoint {
|
||
|
remote-endpoint = <&panel_in>;
|
||
|
};
|
||
|
};
|
||
|
|
||
|
port@1 {
|
||
|
reg = <1>;
|
||
|
|
||
|
bridge_in: endpoint {
|
||
|
remote-endpoint = <&dp_out>;
|
||
|
};
|
||
|
};
|
||
|
};
|
||
|
};
|
||
|
};
|