Lines Matching +full:dpot +full:- +full:dac
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>
13 The DAC is used to find the peak level of an alternating voltage input
18 input +------>-------|+ \
20 .-------. | }---.
22 | dac|-->--|- / |
26 | irq|------<-------'
28 '-------'
32 const: axentia,tse850-envelope-detector
34 io-channels:
36 description: Channel node of the dac to be used for comparator input.
38 io-channel-names:
39 const: dac
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>;
62 dpot: dpot@28 {
63 compatible = "microchip,mcp4651-104";
65 #io-channel-cells = <1>;
69 dac: dac {
70 compatible = "dpot-dac";
71 vref-supply = <®_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";