The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/mfd/hi6421.txt

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    1 * HI6421 Multi-Functional Device (MFD), by HiSilicon Ltd.
    2 
    3 Required parent device properties:
    4 - compatible    : One of the following chip-specific strings:
    5         "hisilicon,hi6421-pmic";
    6         "hisilicon,hi6421v530-pmic";
    7 - reg           : register range space of hi6421;
    8 
    9 Supported Hi6421 sub-devices include:
   10 
   11 Device                     IRQ Names              Supply Names   Description
   12 ------                     ---------              ------------   -----------
   13 regulators               :  None                 : None         : Regulators
   14 
   15 Required child device properties:
   16 None.
   17 
   18 Example:
   19         hi6421 {
   20                 compatible = "hisilicon,hi6421-pmic";
   21                 reg = <0xfcc00000 0x0180>; /* 0x60 << 2 */
   22 
   23                 regulators {
   24                         // supply for MLC NAND/ eMMC
   25                         hi6421_vout0_reg: hi6421_vout0 {
   26                                 regulator-name = "VOUT0";
   27                                 regulator-min-microvolt = <2850000>;
   28                                 regulator-max-microvolt = <2850000>;
   29                         };
   30 
   31                         // supply for 26M Oscillator
   32                         hi6421_vout1_reg: hi6421_vout1 {
   33                                 regulator-name = "VOUT1";
   34                                 regulator-min-microvolt = <1700000>;
   35                                 regulator-max-microvolt = <2000000>;
   36                                 regulator-boot-on;
   37                                 regulator-always-on;
   38                         };
   39                 };
   40         };

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