da9062.txt

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    1 * Dialog DA9062 Power Management Integrated Circuit (PMIC)
    2 
    3 Product information for the DA9062 and DA9061 devices can be found here:
    4 - https://www.dialog-semiconductor.com/products/da9062
    5 - https://www.dialog-semiconductor.com/products/da9061
    6 
    7 The DA9062 PMIC consists of:
    8 
    9 Device                   Supply Names    Description
   10 ------                   ------------    -----------
   11 da9062-regulator        :               : LDOs & BUCKs
   12 da9062-rtc              :               : Real-Time Clock
   13 da9062-onkey            :               : On Key
   14 da9062-watchdog         :               : Watchdog Timer
   15 da9062-thermal          :               : Thermal
   16 da9062-gpio             :               : GPIOs
   17 
   18 The DA9061 PMIC consists of:
   19 
   20 Device                   Supply Names    Description
   21 ------                   ------------    -----------
   22 da9062-regulator        :               : LDOs & BUCKs
   23 da9062-onkey            :               : On Key
   24 da9062-watchdog         :               : Watchdog Timer
   25 da9062-thermal          :               : Thermal
   26 
   27 ======
   28 
   29 Required properties:
   30 
   31 - compatible : Should be
   32     "dlg,da9062" for DA9062
   33     "dlg,da9061" for DA9061
   34 - reg : Specifies the I2C slave address (this defaults to 0x58 but it can be
   35   modified to match the chip's OTP settings).
   36 - interrupts : IRQ line information.
   37 - interrupt-controller
   38 
   39 See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt for
   40 further information on IRQ bindings.
   41 
   42 Optional properties:
   43 
   44 - gpio-controller : Marks the device as a gpio controller.
   45 - #gpio-cells     : Should be two. The first cell is the pin number and the
   46                     second cell is used to specify the gpio polarity.
   47 
   48 See Documentation/devicetree/bindings/gpio/gpio.txt for further information on
   49 GPIO bindings.
   50 
   51 Sub-nodes:
   52 
   53 - regulators : This node defines the settings for the LDOs and BUCKs.
   54   The DA9062 regulators are bound using their names listed below:
   55 
   56     buck1    : BUCK_1
   57     buck2    : BUCK_2
   58     buck3    : BUCK_3
   59     buck4    : BUCK_4
   60     ldo1     : LDO_1
   61     ldo2     : LDO_2
   62     ldo3     : LDO_3
   63     ldo4     : LDO_4
   64 
   65   The DA9061 regulators are bound using their names listed below:
   66 
   67     buck1    : BUCK_1
   68     buck2    : BUCK_2
   69     buck3    : BUCK_3
   70     ldo1     : LDO_1
   71     ldo2     : LDO_2
   72     ldo3     : LDO_3
   73     ldo4     : LDO_4
   74 
   75   The component follows the standard regulator framework and the bindings
   76   details of individual regulator device can be found in:
   77   Documentation/devicetree/bindings/regulator/regulator.txt
   78 
   79   regulator-initial-mode may be specified for buck regulators using mode values
   80   from include/dt-bindings/regulator/dlg,da9063-regulator.h.
   81 
   82 - rtc : This node defines settings required for the Real-Time Clock associated
   83   with the DA9062. There are currently no entries in this binding, however
   84   compatible = "dlg,da9062-rtc" should be added if a node is created.
   85 
   86 - onkey : See ../input/da9062-onkey.txt
   87 
   88 - watchdog: See ../watchdog/da9062-watchdog.txt
   89 
   90 - thermal : See ../thermal/da9062-thermal.txt
   91 
   92 Example:
   93 
   94         pmic0: da9062@58 {
   95                 compatible = "dlg,da9062";
   96                 reg = <0x58>;
   97                 interrupt-parent = <&gpio6>;
   98                 interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
   99                 interrupt-controller;
  100 
  101                 rtc {
  102                         compatible = "dlg,da9062-rtc";
  103                 };
  104 
  105                 regulators {
  106                         DA9062_BUCK1: buck1 {
  107                                 regulator-name = "BUCK1";
  108                                 regulator-min-microvolt = <300000>;
  109                                 regulator-max-microvolt = <1570000>;
  110                                 regulator-min-microamp = <500000>;
  111                                 regulator-max-microamp = <2000000>;
  112                                 regulator-initial-mode = <DA9063_BUCK_MODE_SYNC>;
  113                                 regulator-boot-on;
  114                         };
  115                         DA9062_LDO1: ldo1 {
  116                                 regulator-name = "LDO_1";
  117                                 regulator-min-microvolt = <900000>;
  118                                 regulator-max-microvolt = <3600000>;
  119                                 regulator-boot-on;
  120                         };
  121                 };
  122         };
  123

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