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
7 title: ASPEED AST2600 i3c controller
8
9 maintainers:
10 - Jeremy Kerr <jk@codeconstruct.com.au>
11
12 allOf:
13 - $ref: i3c.yaml#
14
15 properties:
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
47 required:
48 - compatible
49 - reg
50 - clocks
51 - interrupts
52 - aspeed,global-regs
53
54 unevaluatedProperties: false
55
56 examples:
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 ...
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