tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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: 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 power-domains: true
41
42 ti,hwmods:
43 description:
44 Must be "i2c<n>", n being the instance number (1-based).
45 This property is applicable only on legacy platforms mainly omap2/3
46 and ti81xx and should not be used on other platforms.
47 $ref: /schemas/types.yaml#/definitions/string
48 deprecated: true
49
50 mux-states:
51 description:
52 mux controller node to route the I2C signals from SoC to clients.
53 maxItems: 1
54
55required:
56 - compatible
57 - reg
58 - interrupts
59
60allOf:
61 - $ref: /schemas/i2c/i2c-controller.yaml#
62
63 - if:
64 properties:
65 compatible:
66 enum:
67 - ti,omap2420-i2c
68 - ti,omap2430-i2c
69 - ti,omap3-i2c
70 - ti,omap4-i2c
71
72 then:
73 properties:
74 ti,hwmods:
75 items:
76 - pattern: "^i2c([1-9])$"
77
78 else:
79 properties:
80 ti,hwmods: false
81
82unevaluatedProperties: false
83
84examples:
85 - |
86 #include <dt-bindings/interrupt-controller/irq.h>
87 #include <dt-bindings/interrupt-controller/arm-gic.h>
88
89 main_i2c0: i2c@2000000 {
90 compatible = "ti,j721e-i2c", "ti,omap4-i2c";
91 reg = <0x2000000 0x100>;
92 interrupts = <GIC_SPI 200 IRQ_TYPE_LEVEL_HIGH>;
93 #address-cells = <1>;
94 #size-cells = <0>;
95 mux-states = <&i2c_mux 1>;
96 };