cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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envelope-detector.yaml (2065B)

      1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
      2%YAML 1.2
      3---
      4$id: http://devicetree.org/schemas/iio/adc/envelope-detector.yaml#
      5$schema: http://devicetree.org/meta-schemas/core.yaml#
      6
      7title: ADC envelope detector using a DAC and a comparator
      8
      9maintainers:
     10  - Peter Rosin <peda@axentia.se>
     11
     12description: |
     13  The DAC is used to find the peak level of an alternating voltage input
     14  signal by a binary search using the output of a comparator wired to
     15  an interrupt pin. Like so:
     16                          _
     17                         | \
     18    input +------>-------|+ \
     19                         |   \
     20           .-------.     |    }---.
     21           |       |     |   /    |
     22           |    dac|-->--|- /     |
     23           |       |     |_/      |
     24           |       |              |
     25           |       |              |
     26           |    irq|------<-------'
     27           |       |
     28           '-------'
     29
     30properties:
     31  compatible:
     32    const: axentia,tse850-envelope-detector
     33
     34  io-channels:
     35    maxItems: 1
     36    description: Channel node of the dac to be used for comparator input.
     37
     38  io-channel-names:
     39    const: dac
     40
     41  interrupts:
     42    maxItems: 1
     43
     44  interrupt-names:
     45    const: comp
     46
     47required:
     48  - compatible
     49  - io-channels
     50  - io-channel-names
     51  - interrupts
     52  - interrupt-names
     53
     54additionalProperties: false
     55
     56examples:
     57  - |
     58    #include <dt-bindings/interrupt-controller/irq.h>
     59    i2c {
     60        #address-cells = <1>;
     61        #size-cells = <0>;
     62        dpot: dpot@28 {
     63            compatible = "microchip,mcp4651-104";
     64            reg = <0x28>;
     65            #io-channel-cells = <1>;
     66        };
     67    };
     68
     69    dac: dac {
     70        compatible = "dpot-dac";
     71        vref-supply = <&reg_3v3>;
     72        io-channels = <&dpot 0>;
     73        io-channel-names = "dpot";
     74        #io-channel-cells = <1>;
     75    };
     76
     77    envelope-detector {
     78        compatible = "axentia,tse850-envelope-detector";
     79        io-channels = <&dac 0>;
     80        io-channel-names = "dac";
     81
     82        interrupt-parent = <&gpio>;
     83        interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
     84        interrupt-names = "comp";
     85    };
     86...