xref: /freebsd/sys/contrib/device-tree/Bindings/i2c/i2c-imx-lpi2c.yaml (revision 7ef62cebc2f965b0f640263e179276928885e33d) 
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          - const: fsl,imx7ulp-lpi2c
28
29  reg:
30    maxItems: 1
31
32  interrupts:
33    maxItems: 1
34
35  assigned-clock-parents: true
36  assigned-clock-rates: true
37  assigned-clocks: true
38  clock-frequency: true
39
40  clock-names:
41    items:
42      - const: per
43      - const: ipg
44
45  clocks:
46    maxItems: 2
47
48  dmas:
49    items:
50      - description: DMA controller phandle and request line for TX
51      - description: DMA controller phandle and request line for RX
52
53  dma-names:
54    items:
55      - const: tx
56      - const: rx
57
58  power-domains:
59    maxItems: 1
60
61required:
62  - compatible
63  - reg
64  - interrupts
65  - clocks
66
67unevaluatedProperties: false
68
69examples:
70  - |
71    #include <dt-bindings/clock/imx7ulp-clock.h>
72    #include <dt-bindings/interrupt-controller/arm-gic.h>
73
74    i2c@40a50000 {
75        compatible = "fsl,imx7ulp-lpi2c";
76        reg = <0x40A50000 0x10000>;
77        interrupt-parent = <&intc>;
78        interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
79        clocks = <&clks IMX7ULP_CLK_LPI2C7>,
80                 <&clks IMX7ULP_CLK_NIC1_BUS_DIV>;
81    };
82