xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/serial/fsl-mxs-auart.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/serial/fsl-mxs-auart.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: Freescale MXS Application UART (AUART)
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Fabio Estevam <fabio.estevam@nxp.com>
11*4882a593Smuzhiyun
12*4882a593SmuzhiyunallOf:
13*4882a593Smuzhiyun  - $ref: "serial.yaml"
14*4882a593Smuzhiyun
15*4882a593Smuzhiyunproperties:
16*4882a593Smuzhiyun  compatible:
17*4882a593Smuzhiyun    enum:
18*4882a593Smuzhiyun      - fsl,imx23-auart
19*4882a593Smuzhiyun      - fsl,imx28-auart
20*4882a593Smuzhiyun      - alphascale,asm9260-auart
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun  reg:
23*4882a593Smuzhiyun    maxItems: 1
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun  interrupts:
26*4882a593Smuzhiyun    maxItems: 1
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun  dmas:
29*4882a593Smuzhiyun    items:
30*4882a593Smuzhiyun      - description: DMA controller phandle and request line for RX
31*4882a593Smuzhiyun      - description: DMA controller phandle and request line for TX
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun  dma-names:
34*4882a593Smuzhiyun    items:
35*4882a593Smuzhiyun      - const: rx
36*4882a593Smuzhiyun      - const: tx
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun  clocks:
39*4882a593Smuzhiyun    items:
40*4882a593Smuzhiyun      - description: mod clock
41*4882a593Smuzhiyun      - description: ahb clock
42*4882a593Smuzhiyun    minItems: 1
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun  clock-names:
45*4882a593Smuzhiyun    items:
46*4882a593Smuzhiyun      - const: mod
47*4882a593Smuzhiyun      - const: ahb
48*4882a593Smuzhiyun    minItems: 1
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun  uart-has-rtscts: true
51*4882a593Smuzhiyun  rts-gpios: true
52*4882a593Smuzhiyun  cts-gpios: true
53*4882a593Smuzhiyun  dtr-gpios: true
54*4882a593Smuzhiyun  dsr-gpios: true
55*4882a593Smuzhiyun  rng-gpios: true
56*4882a593Smuzhiyun  dcd-gpios: true
57*4882a593Smuzhiyun
58*4882a593Smuzhiyunif:
59*4882a593Smuzhiyun  properties:
60*4882a593Smuzhiyun    compatible:
61*4882a593Smuzhiyun      contains:
62*4882a593Smuzhiyun        enum:
63*4882a593Smuzhiyun          - alphascale,asm9260-auart
64*4882a593Smuzhiyunthen:
65*4882a593Smuzhiyun  required:
66*4882a593Smuzhiyun    - clocks
67*4882a593Smuzhiyun    - clock-names
68*4882a593Smuzhiyun
69*4882a593Smuzhiyunrequired:
70*4882a593Smuzhiyun  - compatible
71*4882a593Smuzhiyun  - reg
72*4882a593Smuzhiyun  - interrupts
73*4882a593Smuzhiyun  - dmas
74*4882a593Smuzhiyun  - dma-names
75*4882a593Smuzhiyun
76*4882a593SmuzhiyununevaluatedProperties: false
77*4882a593Smuzhiyun
78*4882a593Smuzhiyunexamples:
79*4882a593Smuzhiyun  - |
80*4882a593Smuzhiyun    aliases {
81*4882a593Smuzhiyun        serial0 = &auart0;
82*4882a593Smuzhiyun    };
83*4882a593Smuzhiyun
84*4882a593Smuzhiyun    auart0: serial@8006a000 {
85*4882a593Smuzhiyun        compatible = "fsl,imx28-auart";
86*4882a593Smuzhiyun        reg = <0x8006a000 0x2000>;
87*4882a593Smuzhiyun        interrupts = <112>;
88*4882a593Smuzhiyun        dmas = <&dma_apbx 8>, <&dma_apbx 9>;
89*4882a593Smuzhiyun        dma-names = "rx", "tx";
90*4882a593Smuzhiyun        clocks = <&clks 45>;
91*4882a593Smuzhiyun    };
92