xref: /freebsd/sys/contrib/device-tree/Bindings/i2c/i2c-imx.yaml (revision 994297b01b98816bea1abf45ae4bac1bc69ee7a0) 
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    enum: [ 100000, 400000 ]
61
62  dmas:
63    items:
64      - description: DMA controller phandle and request line for RX
65      - description: DMA controller phandle and request line for TX
66
67  dma-names:
68    items:
69      - const: rx
70      - const: tx
71
72  sda-gpios:
73    maxItems: 1
74
75  scl-gpios:
76    maxItems: 1
77
78required:
79  - compatible
80  - reg
81  - interrupts
82  - clocks
83
84unevaluatedProperties: false
85
86examples:
87  - |
88    #include <dt-bindings/clock/imx5-clock.h>
89    #include <dt-bindings/clock/vf610-clock.h>
90    #include <dt-bindings/gpio/gpio.h>
91    #include <dt-bindings/interrupt-controller/arm-gic.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    i2c@40066000 {
101        compatible = "fsl,vf610-i2c";
102        reg = <0x40066000 0x1000>;
103        interrupts = <71 IRQ_TYPE_LEVEL_HIGH>;
104        clocks = <&clks VF610_CLK_I2C0>;
105        clock-names = "ipg";
106        dmas = <&edma0 0 50>,
107               <&edma0 0 51>;
108        dma-names = "rx", "tx";
109    };
110