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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/allwinner,sun9i-a80-deu.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Allwinner A80 Detail Enhancement Unit
maintainers:
- Chen-Yu Tsai <wens@csie.org>
- Maxime Ripard <mripard@kernel.org>
description: |
The DEU (Detail Enhancement Unit), found in the Allwinner A80 SoC,
can sharpen the display content in both luma and chroma channels.
properties:
compatible:
const: allwinner,sun9i-a80-deu
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
items:
- description: The DEU interface clock
- description: The DEU module clock
- description: The DEU DRAM clock
clock-names:
items:
- const: ahb
- const: mod
- const: ram
resets:
maxItems: 1
ports:
$ref: /schemas/graph.yaml#/properties/ports
properties:
port@0:
$ref: /schemas/graph.yaml#/properties/port
description: |
Input endpoints of the controller.
port@1:
$ref: /schemas/graph.yaml#/properties/port
description: |
Output endpoints of the controller.
required:
- port@0
- port@1
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
- resets
- ports
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/sun9i-a80-de.h>
#include <dt-bindings/reset/sun9i-a80-de.h>
deu0: deu@3300000 {
compatible = "allwinner,sun9i-a80-deu";
reg = <0x03300000 0x40000>;
interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&de_clocks CLK_BUS_DEU0>,
<&de_clocks CLK_IEP_DEU0>,
<&de_clocks CLK_DRAM_DEU0>;
clock-names = "ahb",
"mod",
"ram";
resets = <&de_clocks RST_DEU0>;
ports {
#address-cells = <1>;
#size-cells = <0>;
deu0_in: port@0 {
reg = <0>;
deu0_in_fe0: endpoint {
remote-endpoint = <&fe0_out_deu0>;
};
};
deu0_out: port@1 {
#address-cells = <1>;
#size-cells = <0>;
reg = <1>;
deu0_out_be0: endpoint@0 {
reg = <0>;
remote-endpoint = <&be0_in_deu0>;
};
deu0_out_be1: endpoint@1 {
reg = <1>;
remote-endpoint = <&be1_in_deu0>;
};
};
};
};
...
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