1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/serial/nxp,sc16is7xx.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: NXP SC16IS7xx Advanced Universal Asynchronous Receiver-Transmitter (UART)
8
9 maintainers:
10 - Hugo Villeneuve <hvilleneuve@dimonoff.com>
11
12 properties:
13 compatible:
14 enum:
15 - nxp,sc16is740
16 - nxp,sc16is741
17 - nxp,sc16is750
18 - nxp,sc16is752
19 - nxp,sc16is760
20 - nxp,sc16is762
21
22 reg:
23 maxItems: 1
24
25 interrupts:
26 maxItems: 1
27
28 clocks:
29 maxItems: 1
30
31 reset-gpios:
32 maxItems: 1
33
34 clock-frequency:
35 description:
36 When there is no clock provider visible to the platform, this
37 is the source crystal or external clock frequency for the IC in Hz.
38 minimum: 1
39 maximum: 80000000
40
41 gpio-controller: true
42
43 "#gpio-cells":
44 const: 2
45
46 gpio-line-names:
47 minItems: 1
48 maxItems: 8
49
50 irda-mode-ports:
51 description: |
52 An array that lists the indices of the port that should operate in IrDA
53 mode:
54 0: port A
55 1: port B
56 $ref: /schemas/types.yaml#/definitions/uint32-array
57 minItems: 1
58 maxItems: 2
59 items:
60 minimum: 0
61 maximum: 1
62
63 nxp,modem-control-line-ports:
64 description: |
65 An array that lists the indices of the port that should have shared GPIO
66 lines configured as modem control lines:
67 0: port A
68 1: port B
69 $ref: /schemas/types.yaml#/definitions/uint32-array
70 minItems: 1
71 maxItems: 2
72 items:
73 minimum: 0
74 maximum: 1
75
76 required:
77 - compatible
78 - reg
79 - interrupts
80
81 allOf:
82 - $ref: /schemas/spi/spi-peripheral-props.yaml#
83 - $ref: /schemas/serial/serial.yaml#
84 - $ref: /schemas/serial/rs485.yaml#
85
86 oneOf:
87 - required:
88 - clocks
89 - required:
90 - clock-frequency
91
92 unevaluatedProperties: false
93
94 examples:
95 - |
96 #include <dt-bindings/interrupt-controller/irq.h>
97 #include <dt-bindings/gpio/gpio.h>
98 i2c {
99 #address-cells = <1>;
100 #size-cells = <0>;
101
102 serial@51 {
103 compatible = "nxp,sc16is750";
104 reg = <0x51>;
105 clocks = <&clk20m>;
106 interrupt-parent = <&gpio3>;
107 interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
108 gpio-controller;
109 #gpio-cells = <2>;
110 };
111
112 serial@53 {
113 compatible = "nxp,sc16is752";
114 reg = <0x53>;
115 clocks = <&clk20m>;
116 interrupt-parent = <&gpio3>;
117 interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
118 nxp,modem-control-line-ports = <1>; /* Port 1 as modem control lines */
119 gpio-controller; /* Port 0 as GPIOs */
120 #gpio-cells = <2>;
121 };
122
123 serial@54 {
124 compatible = "nxp,sc16is752";
125 reg = <0x54>;
126 clocks = <&clk20m>;
127 reset-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
128 interrupt-parent = <&gpio3>;
129 interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
130 nxp,modem-control-line-ports = <0 1>; /* Ports 0 and 1 as modem control lines */
131 };
132 };
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