xref: /linux/Documentation/devicetree/bindings/i2c/ibm,i2c-fsi.yaml (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/i2c/ibm,i2c-fsi.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: IBM FSI-attached I2C controller
8
9maintainers:
10  - Eddie James <eajames@linux.ibm.com>
11
12description:
13  This I2C controller is an FSI CFAM engine, providing access to a number of
14  I2C busses. Therefore this node will always be a child of an FSI CFAM node.
15
16properties:
17  compatible:
18    enum:
19      - ibm,i2c-fsi
20
21  reg:
22    items:
23      - description: FSI slave address
24
25  "#address-cells":
26    const: 1
27
28  "#size-cells":
29    const: 0
30
31patternProperties:
32  "^i2c-bus@[0-9a-f]+$":
33    type: object
34    properties:
35      reg:
36        maxItems: 1
37
38    required:
39      - reg
40
41    allOf:
42      - $ref: /schemas/i2c/i2c-controller.yaml#
43
44    unevaluatedProperties: false
45
46required:
47  - compatible
48  - reg
49
50additionalProperties: false
51
52examples:
53  - |
54    i2c@1800 {
55        compatible = "ibm,i2c-fsi";
56        reg = <0x1800 0x400>;
57        #address-cells = <1>;
58        #size-cells = <0>;
59
60        i2c-bus@0 {
61            reg = <0>;
62            #address-cells = <1>;
63            #size-cells = <0>;
64        };
65
66        i2c-bus@1 {
67            reg = <1>;
68            #address-cells = <1>;
69            #size-cells = <0>;
70
71            eeprom@50 {
72                compatible = "atmel,24c64";
73                reg = <0x50>;
74            };
75        };
76    };
77