Commit a658b4d3 authored by Eliav Farber's avatar Eliav Farber Committed by Guenter Roeck
Browse files

dt-bindings: hwmon: (mr75203) add description for Moortec's PVT controller 



This changes adds a detailed description for the mr75203 controller and
for some of the analog IPs controlled by it.

Signed-off-by: default avatarEliav Farber <farbere@amazon.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220908152449.35457-8-farbere@amazon.com


Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent aed80bb9

Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml

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Original line number Diff line number Diff line
@@ -9,6 +9,32 @@ title: Moortec Semiconductor MR75203 PVT Controller bindings 
maintainers:

  - Rahul Tanwar <rtanwar@maxlinear.com>



description: |

  A Moortec PVT (Process, Voltage, Temperature) monitoring logic design can

  include many different units.

  Such a design will usually consists of several Moortec's embedded analog IPs,

  and a single Moortec controller (mr75203) to configure and control the IPs.



  Some of the Moortec's analog hard IPs that can be used in a design:

  *) Temperature Sensor (TS) - used to monitor core temperature (e.g. mr74137).

  *) Voltage Monitor (VM) - used to monitor voltage levels (e.g. mr74138).

  *) Process Detector (PD) - used to assess silicon speed (e.g. mr74139).

  *) Delay Chain - ring oscillator connected to the PD, used to measure IO

     based transistors (e.g. mr76008 ring oscillator at 1.1V, mr76007 ring

     oscillator at 1.8V).

  *) Pre Scaler - provides divide-by-X scaling of input voltage, which can then

     be presented for VM for measurement within its range (e.g. mr76006 -

     divide by 2 pre-scaler).



  TS, VM & PD also include a digital interface, which consists of configuration

  inputs and measurement outputs.



  Some of the units have number of series, each series can have slightly

  different characteristics.



  The mr75203 binding describes configuration for the controller unit, but also

  for some of the analog IPs.



properties:

  compatible:

    const: moortec,mr75203