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| author | Eliav Farber <farbere@amazon.com> | 2022-09-08 18:24:35 +0300 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2022-09-19 16:17:06 +0300 |
| commit | a658b4d3894a4a836c607d4775edec73ea833288 (patch) | |
| tree | c2e3f14312cf206bb211e094f71aa14aeef10c1b /Documentation/devicetree/bindings/hwmon | |
| parent | aed80bb91de89d1d484f659056d740047c54e065 (diff) | |
| download | linux-a658b4d3894a4a836c607d4775edec73ea833288.tar.xz | |
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: Eliav Farber <farbere@amazon.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220908152449.35457-8-farbere@amazon.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation/devicetree/bindings/hwmon')
| -rw-r--r-- | Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml b/Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml index 8ea97e774364..5e41aed5891a 100644 --- a/Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml +++ b/Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml @@ -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 |