1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/i2c/microchip,corei2c.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Microchip MPFS I2C Controller
8
9 maintainers:
10 - Daire McNamara <daire.mcnamara@microchip.com>
11
12 allOf:
13 - $ref: /schemas/i2c/i2c-controller.yaml#
14
15 properties:
16 compatible:
17 oneOf:
18 - items:
19 - const: microchip,mpfs-i2c # Microchip PolarFire SoC compatible SoCs
20 - const: microchip,corei2c-rtl-v7 # Microchip Fabric based i2c IP core
21 - const: microchip,corei2c-rtl-v7 # Microchip Fabric based i2c IP core
22
23 reg:
24 maxItems: 1
25
26 interrupts:
27 maxItems: 1
28
29 clocks:
30 maxItems: 1
31
32 clock-frequency:
33 description: |
34 Desired I2C bus clock frequency in Hz. As only Standard and Fast
35 modes are supported, possible values are 100000 and 400000.
36 enum: [100000, 400000]
37
38 required:
39 - compatible
40 - reg
41 - interrupts
42 - clocks
43
44 unevaluatedProperties: false
45
46 examples:
47 - |
48 i2c@2010a000 {
49 compatible = "microchip,mpfs-i2c", "microchip,corei2c-rtl-v7";
50 reg = <0x2010a000 0x1000>;
51 clocks = <&clkcfg 15>;
52 interrupt-parent = <&plic>;
53 interrupts = <58>;
54 clock-frequency = <100000>;
55 };
56 ...
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