Documentation / devicetree / bindings / mfd / samsung,s2mpa01.yaml


Based on kernel version 6.10. Page generated on 2024-07-16 09:00 EST.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/mfd/samsung,s2mpa01.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Samsung S2MPA01 Power Management IC

maintainers:
  - Krzysztof Kozlowski <krzk@kernel.org>

description: |
  This is a part of device tree bindings for S2M and S5M family of Power
  Management IC (PMIC).
 
  The Samsung S2MPA01 is a Power Management IC which includes voltage
  and current regulators, RTC, clock outputs and other sub-blocks.

properties:
  compatible:
    const: samsung,s2mpa01-pmic

  interrupts:
    maxItems: 1

  reg:
    maxItems: 1

  regulators:
    $ref: /schemas/regulator/samsung,s2mpa01.yaml
    description:
      List of child nodes that specify the regulators.

  wakeup-source: true

required:
  - compatible
  - reg
  - regulators

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/irq.h>
 
    i2c {
        #address-cells = <1>;
        #size-cells = <0>;
 
        pmic@66 {
            compatible = "samsung,s2mpa01-pmic";
            reg = <0x66>;
 
            regulators {
                ldo1_reg: LDO1 {
                    regulator-name = "VDD_ALIVE";
                    regulator-min-microvolt = <1000000>;
                    regulator-max-microvolt = <1000000>;
                };
 
                ldo2_reg: LDO2 {
                    regulator-name = "VDDQ_MMC2";
                    regulator-min-microvolt = <2800000>;
                    regulator-max-microvolt = <2800000>;
                    regulator-always-on;
                };
 
                // ...
 
                buck1_reg: BUCK1 {
                    regulator-name = "vdd_mif";
                    regulator-min-microvolt = <950000>;
                    regulator-max-microvolt = <1350000>;
                    regulator-always-on;
                    regulator-boot-on;
                };
 
                buck2_reg: BUCK2 {
                    regulator-name = "vdd_arm";
                    regulator-min-microvolt = <950000>;
                    regulator-max-microvolt = <1350000>;
                    regulator-always-on;
                    regulator-boot-on;
                    regulator-ramp-delay = <50000>;
                };
 
                // ...
            };
        };
    };