rohm,bd70528-pmic.txt

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    1 * ROHM BD70528 Power Management Integrated Circuit bindings
    2 
    3 BD70528MWV is an ultra-low quiescent current general purpose, single-chip,
    4 power management IC for battery-powered portable devices. The IC
    5 integrates 3 ultra-low current consumption buck converters, 3 LDOs and 2
    6 LED Drivers. Also included are 4 GPIOs, a real-time clock (RTC), a 32kHz
    7 clock gate, high-accuracy VREF for use with an external ADC, flexible
    8 dual-input power path, 10 bit SAR ADC for battery temperature monitor and
    9 1S battery charger with scalable charge currents.
   10 
   11 Required properties:
   12  - compatible           : Should be "rohm,bd70528"
   13  - reg                  : I2C slave address.
   14  - interrupts           : The interrupt line the device is connected to.
   15  - interrupt-controller : To indicate BD70528 acts as an interrupt controller.
   16  - #interrupt-cells     : Should be 2. Usage is compliant to the 2 cells
   17                           variant of ../interrupt-controller/interrupts.txt
   18  - gpio-controller      : To indicate BD70528 acts as a GPIO controller.
   19  - #gpio-cells          : Should be 2. The first cell is the pin number and
   20                           the second cell is used to specify flags. See
   21                           ../gpio/gpio.txt for more information.
   22  - #clock-cells         : Should be 0.
   23  - regulators:          : List of child nodes that specify the regulators.
   24                           Please see ../regulator/rohm,bd70528-regulator.txt
   25 
   26 Optional properties:
   27  - clock-output-names   : Should contain name for output clock.
   28 
   29 Example:
   30 /* External oscillator */
   31 osc: oscillator {
   32         compatible = "fixed-clock";
   33         #clock-cells = <1>;
   34         clock-frequency  = <32768>;
   35         clock-output-names = "osc";
   36 };
   37 
   38 pmic: pmic@4b {
   39         compatible = "rohm,bd70528";
   40         reg = <0x4b>;
   41         interrupt-parent = <&gpio1>;
   42         interrupts = <29 IRQ_TYPE_LEVEL_LOW>;
   43         clocks = <&osc 0>;
   44         #clock-cells = <0>;
   45         clock-output-names = "bd70528-32k-out";
   46         #gpio-cells = <2>;
   47         gpio-controller;
   48         interrupt-controller;
   49         #interrupt-cells = <2>;
   50 
   51         regulators {
   52                 buck1: BUCK1 {
   53                         regulator-name = "buck1";
   54                         regulator-min-microvolt = <1200000>;
   55                         regulator-max-microvolt = <3400000>;
   56                         regulator-boot-on;
   57                         regulator-ramp-delay = <125>;
   58                 };
   59                 buck2: BUCK2 {
   60                         regulator-name = "buck2";
   61                         regulator-min-microvolt = <1200000>;
   62                         regulator-max-microvolt = <3300000>;
   63                         regulator-boot-on;
   64                         regulator-ramp-delay = <125>;
   65                 };
   66                 buck3: BUCK3 {
   67                         regulator-name = "buck3";
   68                         regulator-min-microvolt = <800000>;
   69                         regulator-max-microvolt = <1800000>;
   70                         regulator-boot-on;
   71                         regulator-ramp-delay = <250>;
   72                 };
   73                 ldo1: LDO1 {
   74                         regulator-name = "ldo1";
   75                         regulator-min-microvolt = <1650000>;
   76                         regulator-max-microvolt = <3300000>;
   77                         regulator-boot-on;
   78                 };
   79                 ldo2: LDO2 {
   80                         regulator-name = "ldo2";
   81                         regulator-min-microvolt = <1650000>;
   82                         regulator-max-microvolt = <3300000>;
   83                         regulator-boot-on;
   84                 };
   85 
   86                 ldo3: LDO3 {
   87                         regulator-name = "ldo3";
   88                         regulator-min-microvolt = <1650000>;
   89                         regulator-max-microvolt = <3300000>;
   90                 };
   91                 led_ldo1: LED_LDO1 {
   92                         regulator-name = "led_ldo1";
   93                         regulator-min-microvolt = <200000>;
   94                         regulator-max-microvolt = <300000>;
   95                 };
   96                 led_ldo2: LED_LDO2 {
   97                         regulator-name = "led_ldo2";
   98                         regulator-min-microvolt = <200000>;
   99                         regulator-max-microvolt = <300000>;
  100                 };
  101         };
  102 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/mfd/rohm,bd70528-pmic.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/mfd/rohm,bd70528-pmic.txt