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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qcom-spmi-adc-tm-hc.yaml (4184B)


      1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
      2%YAML 1.2
      3---
      4$id: http://devicetree.org/schemas/thermal/qcom-spmi-adc-tm-hc.yaml#
      5$schema: http://devicetree.org/meta-schemas/core.yaml#
      6
      7title: Qualcomm's SPMI PMIC ADC HC Thermal Monitoring
      8maintainers:
      9  - Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
     10
     11properties:
     12  compatible:
     13    const: qcom,spmi-adc-tm-hc
     14
     15  reg:
     16    maxItems: 1
     17
     18  interrupts:
     19    maxItems: 1
     20
     21  "#thermal-sensor-cells":
     22    const: 1
     23    description:
     24      Number of cells required to uniquely identify the thermal sensors. Since
     25      we have multiple sensors this is set to 1
     26
     27  "#address-cells":
     28    const: 1
     29
     30  "#size-cells":
     31    const: 0
     32
     33  qcom,avg-samples:
     34    $ref: /schemas/types.yaml#/definitions/uint32
     35    description: Number of samples to be used for measurement.
     36    enum:
     37      - 1
     38      - 2
     39      - 4
     40      - 8
     41      - 16
     42    default: 1
     43
     44  qcom,decimation:
     45    $ref: /schemas/types.yaml#/definitions/uint32
     46    description: This parameter is used to decrease ADC sampling rate.
     47            Quicker measurements can be made by reducing decimation ratio.
     48    enum:
     49      - 256
     50      - 512
     51      - 1024
     52    default: 1024
     53
     54patternProperties:
     55  "^([-a-z0-9]*)@[0-7]$":
     56    type: object
     57    description:
     58      Represent one thermal sensor.
     59
     60    properties:
     61      reg:
     62        description: Specify the sensor channel. There are 8 channels in PMIC5's ADC TM
     63        minimum: 0
     64        maximum: 7
     65
     66      io-channels:
     67        description:
     68          From common IIO binding. Used to pipe PMIC ADC channel to thermal monitor
     69
     70      qcom,ratiometric:
     71        $ref: /schemas/types.yaml#/definitions/flag
     72        description:
     73          Channel calibration type.
     74          If this property is specified VADC will use the VDD reference
     75          (1.875V) and GND for channel calibration. If property is not found,
     76          channel will be calibrated with 0V and 1.25V reference channels,
     77          also known as absolute calibration.
     78
     79      qcom,hw-settle-time-us:
     80        description: Time between AMUX getting configured and the ADC starting conversion.
     81        enum: [0, 100, 200, 300, 400, 500, 600, 700, 1000, 2000, 4000, 6000, 8000, 10000]
     82
     83      qcom,pre-scaling:
     84        $ref: /schemas/types.yaml#/definitions/uint32-array
     85        description: Used for scaling the channel input signal before the
     86          signal is fed to VADC. The configuration for this node is to know the
     87          pre-determined ratio and use it for post scaling. It is a pair of
     88          integers, denoting the numerator and denominator of the fraction by
     89          which input signal is multiplied. For example, <1 3> indicates the
     90          signal is scaled down to 1/3 of its value before ADC measurement.  If
     91          property is not found default value depending on chip will be used.
     92        items:
     93          - const: 1
     94          - enum: [ 1, 3, 4, 6, 20, 8, 10 ]
     95
     96    required:
     97      - reg
     98      - io-channels
     99
    100    additionalProperties:
    101      false
    102
    103required:
    104  - compatible
    105  - reg
    106  - interrupts
    107  - "#address-cells"
    108  - "#size-cells"
    109  - "#thermal-sensor-cells"
    110
    111additionalProperties: false
    112
    113examples:
    114  - |
    115    #include <dt-bindings/iio/qcom,spmi-vadc.h>
    116    #include <dt-bindings/interrupt-controller/irq.h>
    117    spmi_bus {
    118        #address-cells = <1>;
    119        #size-cells = <0>;
    120        pm8998_adc: adc@3100 {
    121            reg = <0x3100>;
    122            compatible = "qcom,spmi-adc-rev2";
    123            #address-cells = <1>;
    124            #size-cells = <0>;
    125            #io-channel-cells = <1>;
    126
    127            /* Other propreties are omitted */
    128            adc-chan@4c {
    129                reg = <ADC5_XO_THERM_100K_PU>;
    130            };
    131        };
    132
    133        pm8998_adc_tm: adc-tm@3400 {
    134            compatible = "qcom,spmi-adc-tm-hc";
    135            reg = <0x3400>;
    136            interrupts = <0x2 0x34 0x0 IRQ_TYPE_EDGE_RISING>;
    137            #thermal-sensor-cells = <1>;
    138            #address-cells = <1>;
    139            #size-cells = <0>;
    140
    141            thermistor@1 {
    142                reg = <1>;
    143                io-channels = <&pm8998_adc ADC5_XO_THERM_100K_PU>;
    144                qcom,ratiometric;
    145                qcom,hw-settle-time-us = <200>;
    146            };
    147        };
    148    };
    149...