xref: /linux/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml (revision 4b660dbd9ee2059850fd30e0df420ca7a38a1856) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/i2c/i2c-imx-lpi2c.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Freescale Low Power Inter IC (LPI2C) for i.MX
8
9maintainers:
10  - Anson Huang <Anson.Huang@nxp.com>
11
12allOf:
13  - $ref: /schemas/i2c/i2c-controller.yaml#
14
15properties:
16  compatible:
17    oneOf:
18      - enum:
19          - fsl,imx7ulp-lpi2c
20      - items:
21          - enum:
22              - fsl,imx8qxp-lpi2c
23              - fsl,imx8dxl-lpi2c
24              - fsl,imx8qm-lpi2c
25              - fsl,imx8ulp-lpi2c
26              - fsl,imx93-lpi2c
27              - fsl,imx95-lpi2c
28          - const: fsl,imx7ulp-lpi2c
29
30  reg:
31    maxItems: 1
32
33  interrupts:
34    maxItems: 1
35
36  assigned-clock-parents: true
37  assigned-clock-rates: true
38  assigned-clocks: true
39  clock-frequency: true
40
41  clock-names:
42    items:
43      - const: per
44      - const: ipg
45
46  clocks:
47    maxItems: 2
48
49  dmas:
50    items:
51      - description: DMA controller phandle and request line for TX
52      - description: DMA controller phandle and request line for RX
53
54  dma-names:
55    items:
56      - const: tx
57      - const: rx
58
59  power-domains:
60    maxItems: 1
61
62required:
63  - compatible
64  - reg
65  - interrupts
66  - clocks
67
68unevaluatedProperties: false
69
70examples:
71  - |
72    #include <dt-bindings/clock/imx7ulp-clock.h>
73    #include <dt-bindings/interrupt-controller/arm-gic.h>
74
75    i2c@40a50000 {
76        compatible = "fsl,imx7ulp-lpi2c";
77        reg = <0x40A50000 0x10000>;
78        interrupt-parent = <&intc>;
79        interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
80        clocks = <&clks IMX7ULP_CLK_LPI2C7>,
81                 <&clks IMX7ULP_CLK_NIC1_BUS_DIV>;
82    };
83