da9055.txt

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    1 * Dialog DA9055 Power Management Integrated Circuit (PMIC)
    2 
    3 DA9055 consists of a large and varied group of sub-devices (I2C Only):
    4 
    5 Device                   Supply Names    Description
    6 ------                   ------------    -----------
    7 da9055-gpio             :               : GPIOs
    8 da9055-regulator        :               : Regulators
    9 da9055-onkey            :               : On key
   10 da9055-rtc              :               : RTC
   11 da9055-hwmon            :               : ADC
   12 da9055-watchdog         :               : Watchdog
   13 
   14 The CODEC device in DA9055 has a separate, configurable I2C address and so
   15 is instantiated separately from the PMIC.
   16 
   17 For details on accompanying CODEC I2C device, see the following:
   18 Documentation/devicetree/bindings/sound/da9055.txt
   19 
   20 ======
   21 
   22 Required properties:
   23 - compatible : Should be "dlg,da9055-pmic"
   24 - reg: Specifies the I2C slave address (defaults to 0x5a but can be modified)
   25 - interrupts: IRQ line info for da9055 chip.
   26 - interrupt-controller: da9055 has internal IRQs (has own IRQ domain).
   27 - #interrupt-cells: Should be 1, is the local IRQ number for da9055.
   28 
   29 Sub-nodes:
   30 - regulators : Contain the regulator nodes. The DA9055 regulators are
   31   bound using their names as listed below:
   32 
   33     buck1     : regulator BUCK1
   34     buck2     : regulator BUCK2
   35     ldo1      : regulator LDO1
   36     ldo2      : regulator LDO2
   37     ldo3      : regulator LDO3
   38     ldo4      : regulator LDO4
   39     ldo5      : regulator LDO5
   40     ldo6      : regulator LDO6
   41 
   42   The bindings details of individual regulator device can be found in:
   43   Documentation/devicetree/bindings/regulator/regulator.txt
   44 
   45 
   46 Example:
   47 
   48         pmic: da9055-pmic@5a {
   49                 compatible = "dlg,da9055-pmic";
   50                 reg = <0x5a>;
   51                 interrupt-parent = <&intc>;
   52                 interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
   53                 interrupt-controller;
   54                 #interrupt-cells = <1>;
   55 
   56                 regulators {
   57                         buck1: BUCK1 {
   58                                 regulator-min-microvolt = <725000>;
   59                                 regulator-max-microvolt = <2075000>;
   60                         };
   61                         buck2: BUCK2 {
   62                                 regulator-min-microvolt = <925000>;
   63                                 regulator-max-microvolt = <2500000>;
   64                         };
   65                         ldo1: LDO1 {
   66                                 regulator-min-microvolt = <900000>;
   67                                 regulator-max-microvolt = <3300000>;
   68                         };
   69                 };
   70         };

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sys/contrib/device-tree/Bindings/mfd/da9055.txt