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     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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