blob: b8e9cf6ce4e61145bb6a30d90396b982449b2f08 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
# 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 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
minItems: 1
maxItems: 2
items:
items:
- description: |
The first value defines the DAI type: TDA998x_SPDIF or TDA998x_I2S
(see include/dt-bindings/display/tda998x.h).
enum: [ 1, 2 ]
- description:
The second value defines the tda998x AP_ENA reg content when the
DAI in question is used.
maximum: 0xff
'#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>;
};
};
};
};
|
