1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/gpio/delta,tn48m-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Delta Networks TN48M CPLD GPIO controller
8
9 maintainers:
10 - Robert Marko <robert.marko@sartura.hr>
11
12 description: |
13 This module is part of the Delta TN48M multi-function device. For more
14 details see ../mfd/delta,tn48m-cpld.yaml.
15
16 Delta TN48M has an onboard Lattice CPLD that is used as an GPIO expander.
17 It provides 12 pins in total, they are input-only or ouput-only type.
18
19 properties:
20 compatible:
21 enum:
22 - delta,tn48m-gpo
23 - delta,tn48m-gpi
24
25 reg:
26 maxItems: 1
27
28 "#gpio-cells":
29 const: 2
30
31 gpio-controller: true
32
33 required:
34 - compatible
35 - reg
36 - "#gpio-cells"
37 - gpio-controller
38
39 additionalProperties: false
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