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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/solomon,ssd2825.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Solomon SSD2825 RGB to MIPI-DSI bridge
maintainers:
- Svyatoslav Ryhel <clamor95@gmail.com>
allOf:
- $ref: /schemas/spi/spi-peripheral-props.yaml#
properties:
compatible:
const: solomon,ssd2825
reg:
maxItems: 1
reset-gpios: true
dvdd-supply:
description: Regulator for 1.2V digital power supply.
avdd-supply:
description: Regulator for 1.2V analog power supply.
vddio-supply:
description: Regulator for 1.8V IO power supply.
spi-max-frequency:
maximum: 1000000
spi-cpha: true
spi-cpol: true
clocks:
maxItems: 1
description: Reference TX_CLK used before PLL is locked.
solomon,hs-zero-delay-ns:
description:
HS zero delay period
minimum: 0
maximum: 1700
default: 133
solomon,hs-prep-delay-ns:
description:
HS prep delay period
minimum: 0
maximum: 1728
default: 40
ports:
$ref: /schemas/graph.yaml#/properties/ports
properties:
port@0:
$ref: /schemas/graph.yaml#/$defs/port-base
unevaluatedProperties: false
description:
Video port for RGB input
properties:
endpoint:
$ref: /schemas/graph.yaml#/$defs/endpoint-base
unevaluatedProperties: false
properties:
bus-width:
enum: [ 16, 18, 24 ]
port@1:
$ref: /schemas/graph.yaml#/properties/port
description:
Video port for DSI output (panel or connector)
required:
- port@0
- port@1
required:
- compatible
- ports
additionalProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
spi {
#address-cells = <1>;
#size-cells = <0>;
dsi@2 {
compatible = "solomon,ssd2825";
reg = <2>;
spi-max-frequency = <1000000>;
spi-cpha;
spi-cpol;
reset-gpios = <&gpio 114 GPIO_ACTIVE_LOW>;
dvdd-supply = <&vdd_1v2>;
avdd-supply = <&vdd_1v2>;
vddio-supply = <&vdd_1v8_io>;
solomon,hs-zero-delay-ns = <300>;
solomon,hs-prep-delay-ns = <65>;
clocks = <&ssd2825_tx_clk>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
bridge_input: endpoint {
remote-endpoint = <&dpi_output>;
bus-width = <24>;
};
};
port@1 {
reg = <1>;
bridge_output: endpoint {
remote-endpoint = <&panel_input>;
};
};
};
};
};
|
