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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/nxp,tda998x.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: NXP TDA998x HDMI transmitter
maintainers:
- Russell King <linux@armlinux.org.uk>
properties:
compatible:
const: nxp,tda998x
reg:
maxItems: 1
interrupts:
maxItems: 1
video-ports:
$ref: /schemas/types.yaml#/definitions/uint32
default: 0x230145
maximum: 0xffffff
description:
24 bits value which defines how the video controller output is wired to
the TDA998x input.
audio-ports:
description:
Array of 8-bit values, 2 values per DAI (Documentation/sound/soc/dai.rst).
The implementation allows one or two DAIs.
If two DAIs are defined, they must be of different type.
$ref: /schemas/types.yaml#/definitions/uint32-matrix
items:
minItems: 1
items:
- description: |
The first value defines the DAI type: TDA998x_SPDIF or TDA998x_I2S
(see include/dt-bindings/display/tda998x.h).
- description:
The second value defines the tda998x AP_ENA reg content when the
DAI in question is used.
'#sound-dai-cells':
enum: [ 0, 1 ]
nxp,calib-gpios:
maxItems: 1
description:
Calibration GPIO, which must correspond with the gpio used for the
TDA998x interrupt pin.
port:
$ref: /schemas/graph.yaml#/properties/port
description: Parallel input port
ports:
$ref: /schemas/graph.yaml#/properties/ports
properties:
port@0:
type: object
description: Parallel input port
port@1:
type: object
description: HDMI output port
required:
- compatible
- reg
oneOf:
- required:
- port
- required:
- ports
additionalProperties: false
examples:
- |
#include <dt-bindings/display/tda998x.h>
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
tda998x: hdmi-encoder@70 {
compatible = "nxp,tda998x";
reg = <0x70>;
interrupt-parent = <&gpio0>;
interrupts = <27 IRQ_TYPE_EDGE_FALLING>;
video-ports = <0x230145>;
#sound-dai-cells = <1>;
/* DAI-format / AP_ENA reg value */
audio-ports = <TDA998x_SPDIF 0x04>,
<TDA998x_I2S 0x03>;
port {
tda998x_in: endpoint {
remote-endpoint = <&lcdc_0>;
};
};
};
};
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