1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/i2c/renesas,rzv2m.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Renesas RZ/V2M I2C Bus Interface
8
9 maintainers:
10 - Fabrizio Castro <fabrizio.castro.jz@renesas.com>
11
12 allOf:
13 - $ref: /schemas/i2c/i2c-controller.yaml#
14
15 properties:
16 compatible:
17 items:
18 - enum:
19 - renesas,r9a09g011-i2c # RZ/V2M
20 - const: renesas,rzv2m-i2c
21
22 reg:
23 maxItems: 1
24
25 interrupts:
26 items:
27 - description: Data transmission/reception interrupt
28 - description: Status interrupt
29
30 interrupt-names:
31 items:
32 - const: tia
33 - const: tis
34
35 clock-frequency:
36 default: 100000
37 enum: [ 100000, 400000 ]
38 description:
39 Desired I2C bus clock frequency in Hz.
40
41 clocks:
42 maxItems: 1
43
44 power-domains:
45 maxItems: 1
46
47 resets:
48 maxItems: 1
49
50 required:
51 - compatible
52 - reg
53 - interrupts
54 - interrupt-names
55 - clocks
56 - power-domains
57 - resets
58 - '#address-cells'
59 - '#size-cells'
60
61 unevaluatedProperties: false
62
63 examples:
64 - |
65 #include <dt-bindings/clock/r9a09g011-cpg.h>
66 #include <dt-bindings/interrupt-controller/arm-gic.h>
67
68 i2c0: i2c@a4030000 {
69 compatible = "renesas,r9a09g011-i2c", "renesas,rzv2m-i2c";
70 reg = <0xa4030000 0x80>;
71 interrupts = <GIC_SPI 232 IRQ_TYPE_EDGE_RISING>,
72 <GIC_SPI 236 IRQ_TYPE_EDGE_RISING>;
73 interrupt-names = "tia", "tis";
74 clocks = <&cpg CPG_MOD R9A09G011_IIC_PCLK0>;
75 resets = <&cpg R9A09G011_IIC_GPA_PRESETN>;
76 power-domains = <&cpg>;
77 clock-frequency = <100000>;
78 #address-cells = <1>;
79 #size-cells = <0>;
80 };
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