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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/serial/nxp,sc16is7xx.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: NXP SC16IS7xx Advanced Universal Asynchronous Receiver-Transmitter (UART)
maintainers:
- Hugo Villeneuve <hvilleneuve@dimonoff.com>
properties:
compatible:
enum:
- nxp,sc16is740
- nxp,sc16is741
- nxp,sc16is750
- nxp,sc16is752
- nxp,sc16is760
- nxp,sc16is762
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 1
reset-gpios:
maxItems: 1
clock-frequency:
description:
When there is no clock provider visible to the platform, this
is the source crystal or external clock frequency for the IC in Hz.
minimum: 1
maximum: 80000000
gpio-controller: true
"#gpio-cells":
const: 2
gpio-line-names:
minItems: 1
maxItems: 8
irda-mode-ports:
description: |
An array that lists the indices of the port that should operate in IrDA
mode:
0: port A
1: port B
$ref: /schemas/types.yaml#/definitions/uint32-array
minItems: 1
maxItems: 2
items:
minimum: 0
maximum: 1
nxp,modem-control-line-ports:
description: |
An array that lists the indices of the port that should have shared GPIO
lines configured as modem control lines:
0: port A
1: port B
$ref: /schemas/types.yaml#/definitions/uint32-array
minItems: 1
maxItems: 2
items:
minimum: 0
maximum: 1
required:
- compatible
- reg
- interrupts
allOf:
- $ref: /schemas/spi/spi-peripheral-props.yaml#
- $ref: /schemas/serial/serial.yaml#
- $ref: /schemas/serial/rs485.yaml#
oneOf:
- required:
- clocks
- required:
- clock-frequency
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/gpio/gpio.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
serial@51 {
compatible = "nxp,sc16is750";
reg = <0x51>;
clocks = <&clk20m>;
interrupt-parent = <&gpio3>;
interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
gpio-controller;
#gpio-cells = <2>;
};
serial@53 {
compatible = "nxp,sc16is752";
reg = <0x53>;
clocks = <&clk20m>;
interrupt-parent = <&gpio3>;
interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
nxp,modem-control-line-ports = <1>; /* Port 1 as modem control lines */
gpio-controller; /* Port 0 as GPIOs */
#gpio-cells = <2>;
};
serial@54 {
compatible = "nxp,sc16is752";
reg = <0x54>;
clocks = <&clk20m>;
reset-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
interrupt-parent = <&gpio3>;
interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
nxp,modem-control-line-ports = <0 1>; /* Ports 0 and 1 as modem control lines */
};
};
|