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|
# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/allwinner,sun4i-a10-hdmi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Allwinner A10 HDMI Controller Device Tree Bindings
description: |
The HDMI Encoder supports the HDMI video and audio outputs, and does
CEC. It is one end of the pipeline.
maintainers:
- Chen-Yu Tsai <wens@csie.org>
- Maxime Ripard <mripard@kernel.org>
properties:
compatible:
oneOf:
- const: allwinner,sun4i-a10-hdmi
- const: allwinner,sun5i-a10s-hdmi
- const: allwinner,sun6i-a31-hdmi
- items:
- const: allwinner,sun7i-a20-hdmi
- const: allwinner,sun5i-a10s-hdmi
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
oneOf:
- items:
- description: The HDMI interface clock
- description: The HDMI module clock
- description: The first video PLL
- description: The second video PLL
- items:
- description: The HDMI interface clock
- description: The HDMI module clock
- description: The HDMI DDC clock
- description: The first video PLL
- description: The second video PLL
clock-names:
oneOf:
- items:
- const: ahb
- const: mod
- const: pll-0
- const: pll-1
- items:
- const: ahb
- const: mod
- const: ddc
- const: pll-0
- const: pll-1
resets:
maxItems: 1
dmas:
items:
- description: DDC Transmission DMA Channel
- description: DDC Reception DMA Channel
- description: Audio Transmission DMA Channel
dma-names:
items:
- const: ddc-tx
- const: ddc-rx
- const: audio-tx
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. Usually an HDMI
connector.
required:
- port@0
- port@1
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
- dmas
- dma-names
if:
properties:
compatible:
contains:
const: allwinner,sun6i-a31-hdmi
then:
properties:
clocks:
minItems: 5
clock-names:
minItems: 5
required:
- resets
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/sun4i-a10-ccu.h>
#include <dt-bindings/dma/sun4i-a10.h>
#include <dt-bindings/reset/sun4i-a10-ccu.h>
hdmi: hdmi@1c16000 {
compatible = "allwinner,sun4i-a10-hdmi";
reg = <0x01c16000 0x1000>;
interrupts = <58>;
clocks = <&ccu CLK_AHB_HDMI0>, <&ccu CLK_HDMI>,
<&ccu CLK_PLL_VIDEO0_2X>,
<&ccu CLK_PLL_VIDEO1_2X>;
clock-names = "ahb", "mod", "pll-0", "pll-1";
dmas = <&dma SUN4I_DMA_NORMAL 16>,
<&dma SUN4I_DMA_NORMAL 16>,
<&dma SUN4I_DMA_DEDICATED 24>;
dma-names = "ddc-tx", "ddc-rx", "audio-tx";
ports {
#address-cells = <1>;
#size-cells = <0>;
hdmi_in: port@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
hdmi_in_tcon0: endpoint@0 {
reg = <0>;
remote-endpoint = <&tcon0_out_hdmi>;
};
hdmi_in_tcon1: endpoint@1 {
reg = <1>;
remote-endpoint = <&tcon1_out_hdmi>;
};
};
hdmi_out: port@1 {
reg = <1>;
};
};
};
...
|
