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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current-sense-shunt.yaml (1586B)

      1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
      2%YAML 1.2
      3---
      4$id: http://devicetree.org/schemas/iio/afe/current-sense-shunt.yaml#
      5$schema: http://devicetree.org/meta-schemas/core.yaml#
      6
      7title: Current Sense Shunt
      8
      9maintainers:
     10  - Peter Rosin <peda@axentia.se>
     11
     12description: |
     13  When an io-channel measures the voltage over a current sense shunt,
     14  the interesting measurement is almost always the current through the
     15  shunt, not the voltage over it. This binding describes such a current
     16  sense circuit.
     17
     18properties:
     19  compatible:
     20    const: current-sense-shunt
     21
     22  io-channels:
     23    maxItems: 1
     24    description: |
     25      Channel node of a voltage io-channel.
     26
     27  "#io-channel-cells":
     28    const: 0
     29
     30  shunt-resistor-micro-ohms:
     31    description: The shunt resistance.
     32
     33required:
     34  - compatible
     35  - io-channels
     36  - shunt-resistor-micro-ohms
     37
     38additionalProperties: false
     39
     40examples:
     41  - |
     42    i2c {
     43        #address-cells = <1>;
     44        #size-cells = <0>;
     45        tiadc: adc@48 {
     46            compatible = "ti,ads1015";
     47            reg = <0x48>;
     48            #io-channel-cells = <1>;
     49
     50            #address-cells = <1>;
     51            #size-cells = <0>;
     52
     53            channel@0 { /* IN0,IN1 differential */
     54                reg = <0>;
     55                ti,gain = <1>;
     56                ti,datarate = <4>;
     57            };
     58        };
     59    };
     60    sysi {
     61        compatible = "current-sense-shunt";
     62        io-channels = <&tiadc 0>;
     63        #io-channel-cells = <0>;
     64
     65        /* Divide the voltage by 3300000/1000000 (or 3.3) for the current. */
     66        shunt-resistor-micro-ohms = <3300000>;
     67    };
     68...