iio/adc/envelope-detector.yaml

1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/envelope-detector.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ADC envelope detector using a DAC and a comparator
10   - Peter Rosin <peda@axentia.se>
18     input +------>-------|+ \
20            .-------.     |    }---.
22            |    dac|-->--|- /     |
26            |    irq|------<-------'
28            '-------'
32     const: axentia,tse850-envelope-detector
34   io-channels:
38   io-channel-names:
44   interrupt-names:
48   - compatible
49   - io-channels
50   - io-channel-names
51   - interrupts
52   - interrupt-names
57   - |
58     #include <dt-bindings/interrupt-controller/irq.h>
60         #address-cells = <1>;
61         #size-cells = <0>;
63             compatible = "microchip,mcp4651-104";
65             #io-channel-cells = <1>;
70         compatible = "dpot-dac";
71         vref-supply = <&reg_3v3>;
72         io-channels = <&dpot 0>;
73         io-channel-names = "dpot";
74         #io-channel-cells = <1>;
77     envelope-detector {
78         compatible = "axentia,tse850-envelope-detector";
79         io-channels = <&dac 0>;
80         io-channel-names = "dac";
82         interrupt-parent = <&gpio>;
84         interrupt-names = "comp";