1 # SPDX-License-Identifier: (GPL-2.0-only OR BS
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mfd/delta,t
5 $schema: http://devicetree.org/meta-schemas/co
6
7 title: Delta Networks TN48M CPLD controller
8
9 maintainers:
10 - Robert Marko <robert.marko@sartura.hr>
11
12 description: |
13 Lattice CPLD onboard the TN48M switches is u
14 management.
15
16 It provides information about the hardware m
17 PSU status etc.
18
19 It is also being used as a GPIO expander and
20 for the switch MAC-s and other peripherals.
21
22 properties:
23 compatible:
24 const: delta,tn48m-cpld
25
26 reg:
27 description:
28 I2C device address.
29 maxItems: 1
30
31 "#address-cells":
32 const: 1
33
34 "#size-cells":
35 const: 0
36
37 required:
38 - compatible
39 - reg
40 - "#address-cells"
41 - "#size-cells"
42
43 patternProperties:
44 "^gpio(@[0-9a-f]+)?$":
45 $ref: /schemas/gpio/delta,tn48m-gpio.yaml
46
47 "^reset-controller?$":
48 $ref: /schemas/reset/delta,tn48m-reset.yam
49
50 additionalProperties: false
51
52 examples:
53 - |
54 i2c {
55 #address-cells = <1>;
56 #size-cells = <0>;
57
58 cpld@41 {
59 compatible = "delta,tn48m-cpld";
60 reg = <0x41>;
61 #address-cells = <1>;
62 #size-cells = <0>;
63
64 gpio@31 {
65 compatible = "delta,tn48m-gpo"
66 reg = <0x31>;
67 gpio-controller;
68 #gpio-cells = <2>;
69 };
70
71 gpio@3a {
72 compatible = "delta,tn48m-gpi"
73 reg = <0x3a>;
74 gpio-controller;
75 #gpio-cells = <2>;
76 };
77
78 gpio@40 {
79 compatible = "delta,tn48m-gpi"
80 reg = <0x40>;
81 gpio-controller;
82 #gpio-cells = <2>;
83 };
84
85 reset-controller {
86 compatible = "delta,tn48m-reset"
87 #reset-cells = <1>;
88 };
89 };
90 };
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