Commit 1724e02e authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'regulator-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator 

Pull regulator updates from Mark Brown:
 "This is a fairly small release for the regulator API, there's quite a
  few new devices supported and some important improvements around
  coupled regulators in the core but mostly just small fixes and
  improvements otherwise.

  Summary:

   - Fixes and cleanups around the handling of coupled regulators.

   - A special driver for some Raspberry Pi panels with some unusually
     custom stuff around them.

   - Support for Qualcomm PM660/PM660L, PM8950 and PM8953, Richtek
     RT4801 and RTMV20, Rohm BD9576MUF and BD9573MUF"

* tag 'regulator-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (89 commits)
  regulator: bd9576: Fix print
  regulator: bd9576: fix regulator binfdings dt node names
  dt-bindings: regulator: document pm8950 and pm8953 smd regulators
  regulator: qcom_smd: add pm8953 regulators
  regulator: Make constraint debug processing conditional on DEBUG
  regulator: qcom: labibb: Constify static structs
  regulator: dt-bindings: Document the PM660/PM660L PMICs entries
  regulator: qcom_smd: Add PM660/PM660L regulator support
  regulator: dt-bindings: Document the PM660/660L SPMI PMIC entries
  regulator: qcom_spmi: Add PM660/PM660L regulators
  regulator: qcom_spmi: Add support for new regulator types
  regulator: core: Enlarge max OF property name length to 64 chars
  regulator: tps65910: use regmap accessors
  regulator: rtmv20: Add missing regcache cache only before marked as dirty
  regulator: rtmv20: Update DT binding document and property name parsing
  regulator: rtmv20: Add DT-binding document for Richtek RTMV20
  regulator: rtmv20: Adds support for Richtek RTMV20 load switch regulator
  regulator: resolve supply after creating regulator
  regulator: print symbolic errors in kernel messages
  regulator: print state at boot
  ...
parents 57218d7f c6e70a6f

Documentation/devicetree/bindings/regulator/mp886x.txt

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Monolithic Power Systems MP8867/MP8869 voltage regulator



Required properties:

- compatible: Must be one of the following.

	"mps,mp8867"

	"mps,mp8869"

- reg: I2C slave address.

- enable-gpios: enable gpios.

- mps,fb-voltage-divider: An array of two integers containing the resistor

  values R1 and R2 of the feedback voltage divider in kilo ohms.



Any property defined as part of the core regulator binding, defined in

./regulator.txt, can also be used.



Example:



	vcpu: regulator@62 {

		compatible = "mps,mp8869";

		regulator-name = "vcpu";

		regulator-min-microvolt = <700000>;

		regulator-max-microvolt = <850000>;

		regulator-always-on;

		regulator-boot-on;

		enable-gpios = <&porta 1 GPIO_ACTIVE_LOW>;

		mps,fb-voltage-divider = <80 240>;

		reg = <0x62>;

	};

Documentation/devicetree/bindings/regulator/mps,mp886x.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/regulator/mps,mp886x.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Monolithic Power Systems MP8867/MP8869 voltage regulator



maintainers:

  - Jisheng Zhang <jszhang@kernel.org>



allOf:

  - $ref: regulator.yaml#



properties:

  compatible:

    enum:

      - mps,mp8867

      - mps,mp8869



  reg:

    maxItems: 1



  enable-gpios:

    description: GPIO to enable/disable the regulator.

    maxItems: 1



  mps,fb-voltage-divider:

    description: An array of two integers containing the resistor

      values R1 and R2 of the feedback voltage divider in kilo ohms.

    $ref: "/schemas/types.yaml#/definitions/uint32-array"

    maxItems: 2



  mps,switch-frequency-hz:

    description: The valid switch frequency in Hertz.

    enum: [500000, 750000, 1000000, 1250000, 1500000]



required:

  - compatible

  - reg

  - enable-gpios

  - mps,fb-voltage-divider



examples:

  - |

    #include <dt-bindings/gpio/gpio.h>

    i2c {

        #address-cells = <1>;

        #size-cells = <0>;

        regulator@62 {

          compatible = "mps,mp8869";

          regulator-name = "vcpu";

          regulator-min-microvolt = <800000>;

          regulator-max-microvolt = <1150000>;

          enable-gpios = <&porta 1 GPIO_ACTIVE_LOW>;

          mps,fb-voltage-divider = <80 240>;

          reg = <0x62>;

        };

    };



...

Documentation/devicetree/bindings/regulator/mt6360-regulator.yaml

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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/regulator/mt6360-regulator.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: MT6360 Regulator from MediaTek Integrated



maintainers:

  - Gene Chen <gene_chen@richtek.com>



description: |

  list of regulators provided by this controller, must be named

  after their hardware counterparts buck1/2 or ldo1/2/3/5/6/7



properties:

  compatible:

    const: mediatek,mt6360-regulator



  LDO_VIN1-supply:

    description: Input supply phandle(s) for LDO1/2/3

  LDO_VIN2-supply:

    description: Input supply phandle(s) for LDO5

  LDO_VIN3-supply:

    description: Input supply phandle(s) for LDO6/7



patternProperties:

  "^buck[12]$":

    $ref: "regulator.yaml#"



  "^ldo[123567]$":

    $ref: "regulator.yaml#"



required:

  - compatible



additionalProperties: false



examples:

  - |

    #include <dt-bindings/interrupt-controller/irq.h>

    #include <dt-bindings/regulator/mediatek,mt6360-regulator.h>

    regulator {

      compatible = "mediatek,mt6360-regulator";

      LDO_VIN3-supply = <&BUCK2>;

      buck1 {

        regulator-compatible = "BUCK1";

        regulator-name = "mt6360,buck1";

        regulator-min-microvolt = <300000>;

        regulator-max-microvolt = <1300000>;

        regulator-allowed-modes = <MT6360_OPMODE_NORMAL

             MT6360_OPMODE_LP

             MT6360_OPMODE_ULP>;

      };

      BUCK2: buck2 {

        regulator-compatible = "BUCK2";

        regulator-name = "mt6360,buck2";

        regulator-min-microvolt = <300000>;

        regulator-max-microvolt = <1300000>;

        regulator-allowed-modes = <MT6360_OPMODE_NORMAL

             MT6360_OPMODE_LP

             MT6360_OPMODE_ULP>;

      };

      ldo6 {

        regulator-compatible = "LDO6";

        regulator-name = "mt6360,ldo6";

        regulator-min-microvolt = <500000>;

        regulator-max-microvolt = <2100000>;

        regulator-allowed-modes = <MT6360_OPMODE_NORMAL

             MT6360_OPMODE_LP>;

      };

      ldo7 {

        regulator-compatible = "LDO7";

        regulator-name = "mt6360,ldo7";

        regulator-min-microvolt = <500000>;

        regulator-max-microvolt = <2100000>;

        regulator-allowed-modes = <MT6360_OPMODE_NORMAL

             MT6360_OPMODE_LP>;

      };

      ldo1 {

        regulator-compatible = "LDO1";

        regulator-name = "mt6360,ldo1";

        regulator-min-microvolt = <1200000>;

        regulator-max-microvolt = <3600000>;

        regulator-allowed-modes = <MT6360_OPMODE_NORMAL

             MT6360_OPMODE_LP>;

      };

        ldo2 {

        regulator-compatible = "LDO2";

        regulator-name = "mt6360,ldo2";

        regulator-min-microvolt = <1200000>;

        regulator-max-microvolt = <3600000>;

        regulator-allowed-modes = <MT6360_OPMODE_NORMAL

             MT6360_OPMODE_LP>;

      };

      ldo3 {

        regulator-compatible = "LDO3";

        regulator-name = "mt6360,ldo3";

        regulator-min-microvolt = <1200000>;

        regulator-max-microvolt = <3600000>;

        regulator-allowed-modes = <MT6360_OPMODE_NORMAL

             MT6360_OPMODE_LP>;

      };

      ldo5 {

        regulator-compatible = "LDO5";

        regulator-name = "mt6360,ldo5";

        regulator-min-microvolt = <2700000>;

        regulator-max-microvolt = <3600000>;

        regulator-allowed-modes = <MT6360_OPMODE_NORMAL

             MT6360_OPMODE_LP>;

      };

    };

...

Documentation/devicetree/bindings/regulator/pfuze100.txt

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PFUZE100 family of regulators



Required properties:

- compatible: "fsl,pfuze100", "fsl,pfuze200", "fsl,pfuze3000", "fsl,pfuze3001"

- reg: I2C slave address



Optional properties:

- fsl,pfuze-support-disable-sw: Boolean, if present disable all unused switch

  regulators to save power consumption. Attention, ensure that all important

  regulators (e.g. DDR ref, DDR supply) has set the "regulator-always-on"

  property. If not present, the switched regulators are always on and can't be

  disabled. This binding is a workaround to keep backward compatibility with

  old dtb's which rely on the fact that the switched regulators are always on

  and don't mark them explicit as "regulator-always-on".

- fsl,pmic-stby-poweroff: if present, configure the PMIC to shutdown all

  power rails when PMIC_STBY_REQ line is asserted during the power off sequence.

  Use this option if the SoC should be powered off by external power

  management IC (PMIC) on PMIC_STBY_REQ signal.

  As opposite to PMIC_STBY_REQ boards can implement PMIC_ON_REQ signal.



Required child node:

- regulators: This is the list of child nodes that specify the regulator

  initialization data for defined regulators. Please refer to below doc

  Documentation/devicetree/bindings/regulator/regulator.txt.



  The valid names for regulators are:

  --PFUZE100

  sw1ab,sw1c,sw2,sw3a,sw3b,sw4,swbst,vsnvs,vrefddr,vgen1~vgen6

  --PFUZE200

  sw1ab,sw2,sw3a,sw3b,swbst,vsnvs,vrefddr,vgen1~vgen6,coin

  --PFUZE3000

  sw1a,sw1b,sw2,sw3,swbst,vsnvs,vrefddr,vldo1,vldo2,vccsd,v33,vldo3,vldo4

  --PFUZE3001

  sw1,sw2,sw3,vsnvs,vldo1,vldo2,vccsd,v33,vldo3,vldo4



Each regulator is defined using the standard binding for regulators.



Example 1: PFUZE100



	pfuze100: pmic@8 {

		compatible = "fsl,pfuze100";

		reg = <0x08>;



		regulators {

			sw1a_reg: sw1ab {

				regulator-min-microvolt = <300000>;

				regulator-max-microvolt = <1875000>;

				regulator-boot-on;

				regulator-always-on;

				regulator-ramp-delay = <6250>;

			};



			sw1c_reg: sw1c {

				regulator-min-microvolt = <300000>;

				regulator-max-microvolt = <1875000>;

				regulator-boot-on;

				regulator-always-on;

			};



			sw2_reg: sw2 {

				regulator-min-microvolt = <800000>;

				regulator-max-microvolt = <3300000>;

				regulator-boot-on;

				regulator-always-on;

			};



			sw3a_reg: sw3a {

				regulator-min-microvolt = <400000>;

				regulator-max-microvolt = <1975000>;

				regulator-boot-on;

				regulator-always-on;

			};



			sw3b_reg: sw3b {

				regulator-min-microvolt = <400000>;

				regulator-max-microvolt = <1975000>;

				regulator-boot-on;

				regulator-always-on;

			};



			sw4_reg: sw4 {

				regulator-min-microvolt = <800000>;

				regulator-max-microvolt = <3300000>;

			};



			swbst_reg: swbst {

				regulator-min-microvolt = <5000000>;

				regulator-max-microvolt = <5150000>;

			};



			snvs_reg: vsnvs {

				regulator-min-microvolt = <1000000>;

				regulator-max-microvolt = <3000000>;

				regulator-boot-on;

				regulator-always-on;

			};



			vref_reg: vrefddr {

				regulator-boot-on;

				regulator-always-on;

			};



			vgen1_reg: vgen1 {

				regulator-min-microvolt = <800000>;

				regulator-max-microvolt = <1550000>;

			};



			vgen2_reg: vgen2 {

				regulator-min-microvolt = <800000>;

				regulator-max-microvolt = <1550000>;

			};



			vgen3_reg: vgen3 {

				regulator-min-microvolt = <1800000>;

				regulator-max-microvolt = <3300000>;

			};



			vgen4_reg: vgen4 {

				regulator-min-microvolt = <1800000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};



			vgen5_reg: vgen5 {

				regulator-min-microvolt = <1800000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};



			vgen6_reg: vgen6 {

				regulator-min-microvolt = <1800000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};

		};

	};





Example 2: PFUZE200



	pfuze200: pmic@8 {

		compatible = "fsl,pfuze200";

		reg = <0x08>;



		regulators {

			sw1a_reg: sw1ab {

				regulator-min-microvolt = <300000>;

				regulator-max-microvolt = <1875000>;

				regulator-boot-on;

				regulator-always-on;

				regulator-ramp-delay = <6250>;

			};



			sw2_reg: sw2 {

				regulator-min-microvolt = <800000>;

				regulator-max-microvolt = <3300000>;

				regulator-boot-on;

				regulator-always-on;

			};



			sw3a_reg: sw3a {

				regulator-min-microvolt = <400000>;

				regulator-max-microvolt = <1975000>;

				regulator-boot-on;

				regulator-always-on;

			};



			sw3b_reg: sw3b {

				regulator-min-microvolt = <400000>;

				regulator-max-microvolt = <1975000>;

				regulator-boot-on;

				regulator-always-on;

			};



			swbst_reg: swbst {

				regulator-min-microvolt = <5000000>;

				regulator-max-microvolt = <5150000>;

			};



			snvs_reg: vsnvs {

				regulator-min-microvolt = <1000000>;

				regulator-max-microvolt = <3000000>;

				regulator-boot-on;

				regulator-always-on;

			};



			vref_reg: vrefddr {

				regulator-boot-on;

				regulator-always-on;

			};



			vgen1_reg: vgen1 {

				regulator-min-microvolt = <800000>;

				regulator-max-microvolt = <1550000>;

			};



			vgen2_reg: vgen2 {

				regulator-min-microvolt = <800000>;

				regulator-max-microvolt = <1550000>;

			};



			vgen3_reg: vgen3 {

				regulator-min-microvolt = <1800000>;

				regulator-max-microvolt = <3300000>;

			};



			vgen4_reg: vgen4 {

				regulator-min-microvolt = <1800000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};



			vgen5_reg: vgen5 {

				regulator-min-microvolt = <1800000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};



			vgen6_reg: vgen6 {

				regulator-min-microvolt = <1800000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};



			coin_reg: coin {

				regulator-min-microvolt = <2500000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};

		};

	};



Example 3: PFUZE3000



	pfuze3000: pmic@8 {

		compatible = "fsl,pfuze3000";

		reg = <0x08>;



		regulators {

			sw1a_reg: sw1a {

				regulator-min-microvolt = <700000>;

				regulator-max-microvolt = <1475000>;

				regulator-boot-on;

				regulator-always-on;

				regulator-ramp-delay = <6250>;

			};

			/* use sw1c_reg to align with pfuze100/pfuze200 */

			sw1c_reg: sw1b {

				regulator-min-microvolt = <700000>;

				regulator-max-microvolt = <1475000>;

				regulator-boot-on;

				regulator-always-on;

				regulator-ramp-delay = <6250>;

			};



			sw2_reg: sw2 {

				regulator-min-microvolt = <2500000>;

				regulator-max-microvolt = <3300000>;

				regulator-boot-on;

				regulator-always-on;

			};



			sw3a_reg: sw3 {

				regulator-min-microvolt = <900000>;

				regulator-max-microvolt = <1650000>;

				regulator-boot-on;

				regulator-always-on;

			};



			swbst_reg: swbst {

				regulator-min-microvolt = <5000000>;

				regulator-max-microvolt = <5150000>;

			};



			snvs_reg: vsnvs {

				regulator-min-microvolt = <1000000>;

				regulator-max-microvolt = <3000000>;

				regulator-boot-on;

				regulator-always-on;

			};



			vref_reg: vrefddr {

				regulator-boot-on;

				regulator-always-on;

			};



			vgen1_reg: vldo1 {

				regulator-min-microvolt = <1800000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};



			vgen2_reg: vldo2 {

				regulator-min-microvolt = <800000>;

				regulator-max-microvolt = <1550000>;

			};



			vgen3_reg: vccsd {

				regulator-min-microvolt = <2850000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};



			vgen4_reg: v33 {

				regulator-min-microvolt = <2850000>;

				regulator-max-microvolt = <3300000>;

			};



			vgen5_reg: vldo3 {

				regulator-min-microvolt = <1800000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};



			vgen6_reg: vldo4 {

				regulator-min-microvolt = <1800000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};

		};

	};



Example 4: PFUZE 3001



	pfuze3001: pmic@8 {

		compatible = "fsl,pfuze3001";

		reg = <0x08>;



		regulators {

			sw1_reg: sw1 {

				regulator-min-microvolt = <700000>;

				regulator-max-microvolt = <3300000>;

				regulator-boot-on;

				regulator-always-on;

			};



			sw2_reg: sw2 {

				regulator-min-microvolt = <1500000>;

				regulator-max-microvolt = <3300000>;

				regulator-boot-on;

				regulator-always-on;

			};



			sw3_reg: sw3 {

				regulator-min-microvolt = <900000>;

				regulator-max-microvolt = <1650000>;

				regulator-boot-on;

				regulator-always-on;

			};



			snvs_reg: vsnvs {

				regulator-min-microvolt = <1000000>;

				regulator-max-microvolt = <3000000>;

				regulator-boot-on;

				regulator-always-on;

			};



			vgen1_reg: vldo1 {

				regulator-min-microvolt = <1800000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};



			vgen2_reg: vldo2 {

				regulator-min-microvolt = <800000>;

				regulator-max-microvolt = <1550000>;

				regulator-always-on;

			};



			vgen3_reg: vccsd {

				regulator-min-microvolt = <2850000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};



			vgen4_reg: v33 {

				regulator-min-microvolt = <2850000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};



			vgen5_reg: vldo3 {

				regulator-min-microvolt = <1800000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};



			vgen6_reg: vldo4 {

				regulator-min-microvolt = <1800000>;

				regulator-max-microvolt = <3300000>;

				regulator-always-on;

			};

		};

	};

Documentation/devicetree/bindings/regulator/pfuze100.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/regulator/pfuze100.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: PFUZE100 family of regulators



maintainers:

  - Robin Gong <yibin.gong@nxp.com>



description: |

  The valid names for regulators are:

  --PFUZE100

  sw1ab,sw1c,sw2,sw3a,sw3b,sw4,swbst,vsnvs,vrefddr,vgen1~vgen6

  --PFUZE200

  sw1ab,sw2,sw3a,sw3b,swbst,vsnvs,vrefddr,vgen1~vgen6,coin

  --PFUZE3000

  sw1a,sw1b,sw2,sw3,swbst,vsnvs,vrefddr,vldo1,vldo2,vccsd,v33,vldo3,vldo4

  --PFUZE3001

  sw1,sw2,sw3,vsnvs,vldo1,vldo2,vccsd,v33,vldo3,vldo4



  Each regulator is defined using the standard binding for regulators.



properties:

  $nodename:

    pattern: "^pmic@[0-9]$"



  compatible:

    enum:

      - fsl,pfuze100

      - fsl,pfuze200

      - fsl,pfuze3000

      - fsl,pfuze3001



  reg:

    maxItems: 1



  fsl,pfuze-support-disable-sw:

    $ref: /schemas/types.yaml#/definitions/flag

    description: |

      Boolean, if present disable all unused switch regulators to save power

      consumption. Attention, ensure that all important regulators

      (e.g. DDR ref, DDR supply) has set the "regulator-always-on" property.

      If not present, the switched regulators are always on and can't be

      disabled. This binding is a workaround to keep backward compatibility

      with old dtb's which rely on the fact that the switched regulators are

      always on and don't mark them explicit as "regulator-always-on".



  fsl,pmic-stby-poweroff:

    $ref: /schemas/types.yaml#/definitions/flag

    description: |

      if present, configure the PMIC to shutdown all

      power rails when PMIC_STBY_REQ line is asserted during the power off sequence.

      Use this option if the SoC should be powered off by external power management

      IC (PMIC) on PMIC_STBY_REQ signal.

      As opposite to PMIC_STBY_REQ boards can implement PMIC_ON_REQ signal.



  regulators:

    type: object

    description: |

      list of regulators provided by this controller.



    patternProperties:

      "^sw([1-4]|[1-4][a-c]|[1-4][a-c][a-c])$":

        $ref: "regulator.yaml#"

        type: object



      "^vgen[1-6]$":

        $ref: "regulator.yaml#"

        type: object



      "^(vsnvs|vref|vrefddr|swbst|coin)$":

        $ref: "regulator.yaml#"

        type: object



    additionalProperties: false



required:

  - compatible

  - reg



examples:

  - |

    i2c {

        #address-cells = <1>;

        #size-cells = <0>;



        pmic@8 {

            compatible = "fsl,pfuze100";

            reg = <0x08>;



            regulators {

                sw1a_reg: sw1ab {

                    regulator-min-microvolt = <300000>;

                    regulator-max-microvolt = <1875000>;

                    regulator-boot-on;

                    regulator-always-on;

                    regulator-ramp-delay = <6250>;

                };



                sw1c_reg: sw1c {

                    regulator-min-microvolt = <300000>;

                    regulator-max-microvolt = <1875000>;

                    regulator-boot-on;

                    regulator-always-on;

                };



                sw2_reg: sw2 {

                    regulator-min-microvolt = <800000>;

                    regulator-max-microvolt = <3300000>;

                    regulator-boot-on;

                    regulator-always-on;

                };



                sw3a_reg: sw3a {

                    regulator-min-microvolt = <400000>;

                    regulator-max-microvolt = <1975000>;

                    regulator-boot-on;

                    regulator-always-on;

                };



                sw3b_reg: sw3b {

                    regulator-min-microvolt = <400000>;

                    regulator-max-microvolt = <1975000>;

                    regulator-boot-on;

                    regulator-always-on;

                };



                sw4_reg: sw4 {

                    regulator-min-microvolt = <800000>;

                    regulator-max-microvolt = <3300000>;

                };



                swbst_reg: swbst {

                    regulator-min-microvolt = <5000000>;

                    regulator-max-microvolt = <5150000>;

                };



                snvs_reg: vsnvs {

                    regulator-min-microvolt = <1000000>;

                    regulator-max-microvolt = <3000000>;

                    regulator-boot-on;

                    regulator-always-on;

                };



                vref_reg: vrefddr {

                    regulator-boot-on;

                    regulator-always-on;

                };



                vgen1_reg: vgen1 {

                    regulator-min-microvolt = <800000>;

                    regulator-max-microvolt = <1550000>;

                };



                vgen2_reg: vgen2 {

                    regulator-min-microvolt = <800000>;

                    regulator-max-microvolt = <1550000>;

                };



                vgen3_reg: vgen3 {

                    regulator-min-microvolt = <1800000>;

                    regulator-max-microvolt = <3300000>;

                };



                vgen4_reg: vgen4 {

                    regulator-min-microvolt = <1800000>;

                    regulator-max-microvolt = <3300000>;

                    regulator-always-on;

                };



                vgen5_reg: vgen5 {

                    regulator-min-microvolt = <1800000>;

                    regulator-max-microvolt = <3300000>;

                    regulator-always-on;

                };



                vgen6_reg: vgen6 {

                    regulator-min-microvolt = <1800000>;

                    regulator-max-microvolt = <3300000>;

                    regulator-always-on;

                };

            };

        };

    };

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