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
7 title: Cadence I2C controller Device Tree Bindings
8
9 maintainers:
10 - Michal Simek <michal.simek@xilinx.com>
11
12 allOf:
13 - $ref: /schemas/i2c/i2c-controller.yaml#
14
15 properties:
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
41 required:
42 - compatible
43 - reg
44 - clocks
45 - interrupts
46
47 unevaluatedProperties: false
48
49 examples:
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 };
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