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
7title: NXP SC16IS7xx Advanced Universal Asynchronous Receiver-Transmitter (UART)
8
9maintainers:
10  - Hugo Villeneuve <hvilleneuve@dimonoff.com>
11
12properties:
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
76required:
77  - compatible
78  - reg
79  - interrupts
80
81allOf:
82  - $ref: /schemas/spi/spi-peripheral-props.yaml#
83  - $ref: /schemas/serial/serial.yaml#
84  - $ref: /schemas/serial/rs485.yaml#
85
86oneOf:
87  - required:
88      - clocks
89  - required:
90      - clock-frequency
91
92unevaluatedProperties: false
93
94examples:
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    };
133