tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 description:
27 When missing, device driver uses polling instead.
28 maxItems: 1
29
30 clocks:
31 maxItems: 1
32
33 reset-gpios:
34 maxItems: 1
35
36 clock-frequency:
37 description:
38 When there is no clock provider visible to the platform, this
39 is the source crystal or external clock frequency for the IC in Hz.
40 minimum: 1
41 maximum: 80000000
42
43 gpio-controller: true
44
45 "#gpio-cells":
46 const: 2
47
48 gpio-line-names:
49 minItems: 1
50 maxItems: 8
51
52 irda-mode-ports:
53 description: |
54 An array that lists the indices of the port that should operate in IrDA
55 mode:
56 0: port A
57 1: port B
58 $ref: /schemas/types.yaml#/definitions/uint32-array
59 minItems: 1
60 maxItems: 2
61 items:
62 minimum: 0
63 maximum: 1
64
65 nxp,modem-control-line-ports:
66 description: |
67 An array that lists the indices of the port that should have shared GPIO
68 lines configured as modem control lines:
69 0: port A
70 1: port B
71 $ref: /schemas/types.yaml#/definitions/uint32-array
72 minItems: 1
73 maxItems: 2
74 items:
75 minimum: 0
76 maximum: 1
77
78required:
79 - compatible
80 - reg
81
82allOf:
83 - $ref: /schemas/spi/spi-peripheral-props.yaml#
84 - $ref: /schemas/serial/serial.yaml#
85 - $ref: /schemas/serial/rs485.yaml#
86
87oneOf:
88 - required:
89 - clocks
90 - required:
91 - clock-frequency
92
93unevaluatedProperties: false
94
95examples:
96 - |
97 #include <dt-bindings/interrupt-controller/irq.h>
98 #include <dt-bindings/gpio/gpio.h>
99 i2c {
100 #address-cells = <1>;
101 #size-cells = <0>;
102
103 serial@51 {
104 compatible = "nxp,sc16is750";
105 reg = <0x51>;
106 clocks = <&clk20m>;
107 interrupt-parent = <&gpio3>;
108 interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
109 gpio-controller;
110 #gpio-cells = <2>;
111 };
112
113 serial@53 {
114 compatible = "nxp,sc16is752";
115 reg = <0x53>;
116 clocks = <&clk20m>;
117 interrupt-parent = <&gpio3>;
118 interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
119 nxp,modem-control-line-ports = <1>; /* Port 1 as modem control lines */
120 gpio-controller; /* Port 0 as GPIOs */
121 #gpio-cells = <2>;
122 };
123
124 serial@54 {
125 compatible = "nxp,sc16is752";
126 reg = <0x54>;
127 clocks = <&clk20m>;
128 reset-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
129 interrupt-parent = <&gpio3>;
130 interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
131 nxp,modem-control-line-ports = <0 1>; /* Ports 0 and 1 as modem control lines */
132 };
133 };