| Message ID | 20200924215444.2865885-2-linchuyuan@google.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | hwmon: pmbus: max20730: adjust the vout base on | expand |
On Thu, Sep 24, 2020 at 09:54:43PM +0000, Chu Lin wrote: > max20730 Integrated, Step-Down Switching Regulator with PMBus > > Signed-off-by: Chu Lin <linchuyuan@google.com> > --- > .../bindings/hwmon/maxim,max20730.yaml | 63 +++++++++++++++++++ > 1 file changed, 63 insertions(+) > create mode 100644 Documentation/devicetree/bindings/hwmon/maxim,max20730.yaml > > diff --git a/Documentation/devicetree/bindings/hwmon/maxim,max20730.yaml b/Documentation/devicetree/bindings/hwmon/maxim,max20730.yaml > new file mode 100644 > index 000000000000..7372b27334c3 > --- /dev/null > +++ b/Documentation/devicetree/bindings/hwmon/maxim,max20730.yaml > @@ -0,0 +1,63 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > + > +$id: http://devicetree.org/schemas/hwmon/maxim,max20730.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Maxim max20730 > + > +maintainers: > + - Jean Delvare <jdelvare@suse.com> > + - Guenter Roeck <linux@roeck-us.net> > + > +description: | > + The MAX20730 is a fully integrated, highly efficient switching regulator > + with PMBus for applications operating from 4.5V to 16V and requiring > + up to 25A (max) load. This single-chip regulator provides extremely > + compact, highefficiency power-delivery solutions with high-precision space ^ > + output voltages and excellent transient response period needed > + > + Datasheets: > + https://datasheets.maximintegrated.com/en/ds/MAX20730.pdf > + https://datasheets.maximintegrated.com/en/ds/MAX20734.pdf > + https://datasheets.maximintegrated.com/en/ds/MAX20743.pdf > + > +properties: > + compatible: > + enum: > + - maxim,max20730 > + - maxim,max20734 > + - maxim,max20743 > + > + reg: > + maxItems: 1 > + > + vout-voltage-divider: > + description: | > + If voltage divider presents at vout, the voltage at voltage sensor pin > + will be scaled. The properties will convert the raw reading to a more > + meaningful number if voltage divider presents. It has two numbers, s/presents/present/ > + the first number is the output resistor, the second number is the total > + resistance. Therefore, the adjusted vout is equal to > + Vout = Vout * output_resistance / total resistance. > + $ref: /schemas/types.yaml#/definitions/uint32-array > + minItems: 2 > + maxItems: 2 > + > +required: > + - compatible > + - reg additionalProperties: false > + > +examples: > + - | > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + > + max20730@10 { > + compatible = "maxim,max20730"; > + reg = <0x10>; > + vout-voltage-divider = <1000 2000>; // vout would be scaled to 0.5 > + }; > + }; > -- > 2.28.0.681.g6f77f65b4e-goog >
diff --git a/Documentation/devicetree/bindings/hwmon/maxim,max20730.yaml b/Documentation/devicetree/bindings/hwmon/maxim,max20730.yaml new file mode 100644 index 000000000000..7372b27334c3 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/maxim,max20730.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- + +$id: http://devicetree.org/schemas/hwmon/maxim,max20730.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim max20730 + +maintainers: + - Jean Delvare <jdelvare@suse.com> + - Guenter Roeck <linux@roeck-us.net> + +description: | + The MAX20730 is a fully integrated, highly efficient switching regulator + with PMBus for applications operating from 4.5V to 16V and requiring + up to 25A (max) load. This single-chip regulator provides extremely + compact, highefficiency power-delivery solutions with high-precision + output voltages and excellent transient response + + Datasheets: + https://datasheets.maximintegrated.com/en/ds/MAX20730.pdf + https://datasheets.maximintegrated.com/en/ds/MAX20734.pdf + https://datasheets.maximintegrated.com/en/ds/MAX20743.pdf + +properties: + compatible: + enum: + - maxim,max20730 + - maxim,max20734 + - maxim,max20743 + + reg: + maxItems: 1 + + vout-voltage-divider: + description: | + If voltage divider presents at vout, the voltage at voltage sensor pin + will be scaled. The properties will convert the raw reading to a more + meaningful number if voltage divider presents. It has two numbers, + the first number is the output resistor, the second number is the total + resistance. Therefore, the adjusted vout is equal to + Vout = Vout * output_resistance / total resistance. + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 2 + maxItems: 2 + +required: + - compatible + - reg + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + max20730@10 { + compatible = "maxim,max20730"; + reg = <0x10>; + vout-voltage-divider = <1000 2000>; // vout would be scaled to 0.5 + }; + };
max20730 Integrated, Step-Down Switching Regulator with PMBus Signed-off-by: Chu Lin <linchuyuan@google.com> --- .../bindings/hwmon/maxim,max20730.yaml | 63 +++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/maxim,max20730.yaml