xref: /openbmc/linux/Documentation/devicetree/bindings/mfd/samsung,s2mpa01.yaml (revision 8a1e6bb3)

# 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: ../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>;
                };

                // ...
            };
        };
    };