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|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/mediatek/mediatek,hdmi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Mediatek HDMI Encoder Device Tree Bindings
maintainers:
- CK Hu <ck.hu@mediatek.com>
- Jitao shi <jitao.shi@mediatek.com>
description: |
The Mediatek HDMI encoder can generate HDMI 1.4a or MHL 2.0 signals from
its parallel input.
properties:
compatible:
enum:
- mediatek,mt2701-hdmi
- mediatek,mt7623-hdmi
- mediatek,mt8167-hdmi
- mediatek,mt8173-hdmi
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
items:
- description: Pixel Clock
- description: HDMI PLL
- description: Bit Clock
- description: S/PDIF Clock
clock-names:
items:
- const: pixel
- const: pll
- const: bclk
- const: spdif
phys:
maxItems: 1
phy-names:
items:
- const: hdmi
mediatek,syscon-hdmi:
$ref: '/schemas/types.yaml#/definitions/phandle-array'
items:
- items:
- description: phandle to system configuration registers
- description: register offset in the system configuration registers
description: |
phandle link and register offset to the system configuration registers.
ports:
$ref: /schemas/graph.yaml#/properties/ports
properties:
port@0:
$ref: /schemas/graph.yaml#/properties/port
description: |
Input port node. This port should be connected to a DPI output port.
port@1:
$ref: /schemas/graph.yaml#/properties/port
description: |
Output port node. This port should be connected to the input port of a connector
node that contains a ddc-i2c-bus property, or to the input port of an attached
bridge chip, such as a SlimPort transmitter.
required:
- port@0
- port@1
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
- phys
- phy-names
- mediatek,syscon-hdmi
- ports
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/mt8173-clk.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
hdmi0: hdmi@14025000 {
compatible = "mediatek,mt8173-hdmi";
reg = <0x14025000 0x400>;
interrupts = <GIC_SPI 206 IRQ_TYPE_LEVEL_LOW>;
clocks = <&mmsys CLK_MM_HDMI_PIXEL>,
<&mmsys CLK_MM_HDMI_PLLCK>,
<&mmsys CLK_MM_HDMI_AUDIO>,
<&mmsys CLK_MM_HDMI_SPDIF>;
clock-names = "pixel", "pll", "bclk", "spdif";
pinctrl-names = "default";
pinctrl-0 = <&hdmi_pin>;
phys = <&hdmi_phy>;
phy-names = "hdmi";
mediatek,syscon-hdmi = <&mmsys 0x900>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
hdmi0_in: endpoint {
remote-endpoint = <&dpi0_out>;
};
};
port@1 {
reg = <1>;
hdmi0_out: endpoint {
remote-endpoint = <&hdmi_con_in>;
};
};
};
};
...
|
