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     1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/iio/adc/st,stmpe-adc.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: ADC on an STMPE multifunction device.
    8 
    9 maintainers:
   10   - Stefan Agner <stefan@agner.ch>
   11 
   12 description:
   13   This ADC forms part of an ST microelectronics STMPE multifunction device .
   14   The ADC is shared with the STMPE touchscreen. As a result some ADC related
   15   settings are specified in the parent node.
   16   The node name myst be stmpe_adc and should be a child node of the stmpe node
   17   to which it belongs.
   18 
   19 properties:
   20   compatible:
   21     const: st,stmpe-adc
   22 
   23   st,norequest-mask:
   24     $ref: /schemas/types.yaml#/definitions/uint32
   25     description:
   26       Bitmask specifying which ADC channels should _not_ be
   27       requestable due to different usage (e.g. touch).
   28 
   29   "#io-channel-cells":
   30     const: 1
   31 
   32 required:
   33   - compatible
   34 
   35 additionalProperties: false
   36 
   37 examples:
   38   - |
   39     stmpe {
   40         stmpe_adc {
   41             compatible = "st,stmpe-adc";
   42             st,norequest-mask = <0x0F>; /* dont use ADC CH3-0 */
   43         };
   44     };
   45 ...
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