Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/i2c/i2c-imx-lpi2c.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Freescale Low Power Inter IC (LPI2C) for i.MX

maintainers:
  - Anson Huang <Anson.Huang@nxp.com>

allOf:
  - $ref: /schemas/i2c/i2c-controller.yaml#

properties:
  compatible:
    oneOf:
      - enum:
          - fsl,imx7ulp-lpi2c
      - items:
          - enum:
              - fsl,imx8qxp-lpi2c
              - fsl,imx8dxl-lpi2c
              - fsl,imx8qm-lpi2c
              - fsl,imx8ulp-lpi2c
          - const: fsl,imx7ulp-lpi2c

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  assigned-clock-parents: true
  assigned-clock-rates: true
  assigned-clocks: true
  clock-frequency: true

  clock-names:
    maxItems: 1

  clocks:
    maxItems: 1

  power-domains:
    maxItems: 1

required:
  - compatible
  - reg
  - interrupts
  - clocks

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/clock/imx7ulp-clock.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>

    i2c@40a50000 {
        compatible = "fsl,imx7ulp-lpi2c";
        reg = <0x40A50000 0x10000>;
        interrupt-parent = <&intc>;
        interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
        clocks = <&clks IMX7ULP_CLK_LPI2C7>;
    };