xref: /freebsd/sys/contrib/device-tree/Bindings/i2c/i2c-imx.yaml (revision 8ddb146abcdf061be9f2c0db7e391697dafad85c) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/i2c/i2c-imx.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Freescale Inter IC (I2C) and High Speed Inter IC (HS-I2C) for i.MX
8
9maintainers:
10  - Oleksij Rempel <o.rempel@pengutronix.de>
11
12allOf:
13  - $ref: /schemas/i2c/i2c-controller.yaml#
14
15properties:
16  compatible:
17    oneOf:
18      - const: fsl,imx1-i2c
19      - const: fsl,imx21-i2c
20      - const: fsl,vf610-i2c
21      - items:
22          - const: fsl,imx35-i2c
23          - const: fsl,imx1-i2c
24      - items:
25          - const: fsl,imx7d-i2c
26          - const: fsl,imx21-i2c
27      - items:
28          - enum:
29              - fsl,imx25-i2c
30              - fsl,imx27-i2c
31              - fsl,imx31-i2c
32              - fsl,imx50-i2c
33              - fsl,imx51-i2c
34              - fsl,imx53-i2c
35              - fsl,imx6q-i2c
36              - fsl,imx6sl-i2c
37              - fsl,imx6sx-i2c
38              - fsl,imx6sll-i2c
39              - fsl,imx6ul-i2c
40              - fsl,imx7s-i2c
41              - fsl,imx8mq-i2c
42              - fsl,imx8mm-i2c
43              - fsl,imx8mn-i2c
44              - fsl,imx8mp-i2c
45          - const: fsl,imx21-i2c
46
47  reg:
48    maxItems: 1
49
50  interrupts:
51    maxItems: 1
52
53  clocks:
54    maxItems: 1
55
56  clock-names:
57    const: ipg
58
59  clock-frequency:
60    minimum: 1
61    default: 100000
62    maximum: 400000
63
64  dmas:
65    items:
66      - description: DMA controller phandle and request line for RX
67      - description: DMA controller phandle and request line for TX
68
69  dma-names:
70    items:
71      - const: rx
72      - const: tx
73
74  sda-gpios:
75    maxItems: 1
76
77  scl-gpios:
78    maxItems: 1
79
80required:
81  - compatible
82  - reg
83  - interrupts
84  - clocks
85
86unevaluatedProperties: false
87
88examples:
89  - |
90    #include <dt-bindings/clock/imx5-clock.h>
91    #include <dt-bindings/interrupt-controller/irq.h>
92
93    i2c@83fc4000 {
94        compatible = "fsl,imx51-i2c", "fsl,imx21-i2c";
95        reg = <0x83fc4000 0x4000>;
96        interrupts = <63>;
97        clocks = <&clks IMX5_CLK_I2C2_GATE>;
98    };
99
100  - |
101    #include <dt-bindings/clock/vf610-clock.h>
102
103    i2c@40066000 {
104        compatible = "fsl,vf610-i2c";
105        reg = <0x40066000 0x1000>;
106        interrupts = <71 IRQ_TYPE_LEVEL_HIGH>;
107        clocks = <&clks VF610_CLK_I2C0>;
108        clock-names = "ipg";
109        dmas = <&edma0 0 50>,
110               <&edma0 0 51>;
111        dma-names = "rx", "tx";
112    };
113