Kernel-4.18.0-80.el8_hi6421

• HI6421 Multi-Functional Device (MFD), by HiSilicon Ltd.

Required parent device properties:

• compatible : One of the following chip-specific strings:
  “hisilicon,hi6421-pmic”;
  “hisilicon,hi6421v530-pmic”;
• reg : register range space of hi6421;

Supported Hi6421 sub-devices include:

Device IRQ Names Supply Names Description

---

regulators : None : None : Regulators

Required child device properties:
None.

Example:
hi6421 {
compatible = “hisilicon,hi6421-pmic”;
reg = <0xfcc00000 0x0180>; /* 0x60 << 2 */

    regulators {
        // supply for MLC NAND/ eMMC
        hi6421_vout0_reg: hi6421_vout0 {
            regulator-name = "VOUT0";
            regulator-min-microvolt = <2850000>;
            regulator-max-microvolt = <2850000>;
        };

        // supply for 26M Oscillator
        hi6421_vout1_reg: hi6421_vout1 {
            regulator-name = "VOUT1";
            regulator-min-microvolt = <1700000>;
            regulator-max-microvolt = <2000000>;
            regulator-boot-on;
            regulator-always-on;
        };
    };
};