xref: /linux/Documentation/devicetree/bindings/i3c/aspeed,ast2600-i3c.yaml (revision 79790b6818e96c58fe2bffee1b418c16e64e7b80) 
1# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/i3c/aspeed,ast2600-i3c.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: ASPEED AST2600 i3c controller
8
9maintainers:
10  - Jeremy Kerr <jk@codeconstruct.com.au>
11
12allOf:
13  - $ref: i3c.yaml#
14
15properties:
16  compatible:
17    const: aspeed,ast2600-i3c
18
19  reg:
20    maxItems: 1
21
22  clocks:
23    maxItems: 1
24
25  resets:
26    maxItems: 1
27
28  interrupts:
29    maxItems: 1
30
31  sda-pullup-ohms:
32    enum: [545, 750, 2000]
33    default: 2000
34    description: |
35      Value to configure SDA pullup resistor, in Ohms.
36
37  aspeed,global-regs:
38    $ref: /schemas/types.yaml#/definitions/phandle-array
39    items:
40      - items:
41          - description: phandle to i3c global register syscon node
42          - description: index of this i3c controller in the global register set
43    description: |
44      A (phandle, controller index) reference to the i3c global register set
45      used for this device.
46
47required:
48  - compatible
49  - reg
50  - clocks
51  - interrupts
52  - aspeed,global-regs
53
54unevaluatedProperties: false
55
56examples:
57  - |
58    #include <dt-bindings/interrupt-controller/arm-gic.h>
59
60    i3c@2000 {
61        compatible = "aspeed,ast2600-i3c";
62        reg = <0x2000 0x1000>;
63        #address-cells = <3>;
64        #size-cells = <0>;
65        clocks = <&syscon 0>;
66        resets = <&syscon 0>;
67        aspeed,global-regs = <&i3c_global 0>;
68        pinctrl-names = "default";
69        pinctrl-0 = <&pinctrl_i3c1_default>;
70        interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>;
71    };
72...
73