mps,mpm54304 (on i2c bus)

Vendor: Monolithic Power Systems Inc.

Description

Monolithic Power Systems MPM54304 quad-output DC/DC step-down power module.
See https://www.monolithicpower.com/en/mpm54304.html.

The MPM54304 has four buck regulators. All need to be defined as
children nodes, strictly following the BUCK1..4 node names. For
example:

mpm54304@68 {
  reg = <0x68>;
  ...

  BUCK1 {
    /* all properties for BUCK1 */
  };
  BUCK2 {
    /* all properties for BUCK2 */
  };
  BUCK3 {
    /* all properties for BUCK3 */
  };
  BUCK4 {
    /* all properties for BUCK4 */
  };
};

Properties

Properties not inherited from the base binding file.

Name

Type

Details

supply-gpios

phandle-array

 
GPIO specifier that controls power to the device.

This property should be provided when the device has a dedicated
switch that controls power to the device.  The supply state is
entirely the responsibility of the device driver.

Contrast with vin-supply.

vin-supply

phandle

 
Reference to the regulator that controls power to the device.
The referenced devicetree node must have a regulator compatible.

This property should be provided when device power is supplied
by a shared regulator.  The supply state is dependent on the
request status of all devices fed by the regulator.

Contrast with supply-gpios.  If both properties are provided
then the regulator must be requested before the supply GPIOS is
set to an active state, and the supply GPIOS must be set to an
inactive state before releasing the regulator.