xref: /linux/Documentation/devicetree/bindings/i2c/cdns,i2c-r1p10.yaml (revision a460513ed4b6994bfeb7bd86f72853140bc1ac12) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: "http://devicetree.org/schemas/i2c/cdns,i2c-r1p10.yaml#"
5$schema: "http://devicetree.org/meta-schemas/core.yaml#"
6
7title: Cadence I2C controller Device Tree Bindings
8
9maintainers:
10  - Michal Simek <michal.simek@xilinx.com>
11
12allOf:
13  - $ref: /schemas/i2c/i2c-controller.yaml#
14
15properties:
16  compatible:
17    enum:
18      - cdns,i2c-r1p10 # cadence i2c controller version 1.0
19      - cdns,i2c-r1p14 # cadence i2c controller version 1.4
20
21  reg:
22    maxItems: 1
23
24  clocks:
25    minItems: 1
26
27  interrupts:
28    maxItems: 1
29
30  clock-frequency:
31    minimum: 1
32    maximum: 400000
33    description: |
34      Desired operating frequency, in Hz, of the bus.
35
36  clock-name:
37    const: pclk
38    description: |
39      Input clock name.
40
41required:
42  - compatible
43  - reg
44  - clocks
45  - interrupts
46
47unevaluatedProperties: false
48
49examples:
50  - |
51    #include <dt-bindings/interrupt-controller/arm-gic.h>
52    i2c@e0004000 {
53        compatible = "cdns,i2c-r1p10";
54        clocks = <&clkc 38>;
55        interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
56        reg = <0xe0004000 0x1000>;
57        clock-frequency = <400000>;
58        #address-cells = <1>;
59        #size-cells = <0>;
60    };
61