xref: /freebsd/sys/contrib/device-tree/Bindings/i2c/ti,omap4-i2c.yaml (revision 5956d97f4b3204318ceb6aa9c77bd0bc6ea87a41) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/i2c/ti,omap4-i2c.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Bindings for I2C controllers on TI's OMAP and K3 SoCs
8
9maintainers:
10  - Vignesh Raghavendra <vigneshr@ti.com>
11
12properties:
13  compatible:
14    oneOf:
15      - enum:
16          - ti,omap2420-i2c
17          - ti,omap2430-i2c
18          - ti,omap3-i2c
19          - ti,omap4-i2c
20      - items:
21          - enum:
22              - ti,am4372-i2c
23              - ti,am64-i2c
24              - ti,am654-i2c
25              - ti,j721e-i2c
26          - const: ti,omap4-i2c
27
28  reg:
29    maxItems: 1
30
31  interrupts:
32    maxItems: 1
33
34  clocks:
35    maxItems: 1
36
37  clock-names:
38    const: fck
39
40  clock-frequency: true
41
42  power-domains: true
43
44  "#address-cells":
45    const: 1
46
47  "#size-cells":
48    const: 0
49
50  ti,hwmods:
51    description:
52      Must be "i2c<n>", n being the instance number (1-based).
53      This property is applicable only on legacy platforms mainly omap2/3
54      and ti81xx and should not be used on other platforms.
55    $ref: /schemas/types.yaml#/definitions/string
56    deprecated: true
57
58# subnode's properties
59patternProperties:
60  "@[0-9a-f]+$":
61    type: object
62    description:
63      Flash device uses the below defined properties in the subnode.
64
65required:
66  - compatible
67  - reg
68  - interrupts
69
70additionalProperties: false
71
72if:
73  properties:
74    compatible:
75      oneOf:
76        - const: ti,omap2420-i2c
77        - const: ti,omap2430-i2c
78        - const: ti,omap3-i2c
79        - const: ti,omap4-i2c
80
81then:
82  properties:
83    ti,hwmods:
84      items:
85        - pattern: "^i2c([1-9])$"
86
87else:
88  properties:
89    ti,hwmods: false
90
91examples:
92  - |
93    #include <dt-bindings/interrupt-controller/irq.h>
94    #include <dt-bindings/interrupt-controller/arm-gic.h>
95
96    main_i2c0: i2c@2000000 {
97            compatible = "ti,j721e-i2c", "ti,omap4-i2c";
98            reg = <0x2000000 0x100>;
99            interrupts = <GIC_SPI 200 IRQ_TYPE_LEVEL_HIGH>;
100            #address-cells = <1>;
101            #size-cells = <0>;
102         };
103