Add device tree binding information for mpq7920 regulator driver. Example bindings for mpq7920 are added. Signed-off-by: Saravanan Sekar <sravanhome@xxxxxxxxx> --- .../bindings/regulator/mps,mpq7920.yaml | 202 ++++++++++++++++++ 1 file changed, 202 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml diff --git a/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml b/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml new file mode 100644 index 000000000000..598f3ea070c9 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml @@ -0,0 +1,202 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/mps,mpq7920.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Monolithic Power System MPQ7920 PMIC + +maintainers: + - Saravanan Sekar <sravanhome@xxxxxxxxx> + +properties: + $nodename: + pattern: "pmic@[0-9a-f]{1,2}" + compatible: + enum: + - mps,mpq7920 + + reg: + maxItems: 1 + + regulators: + type: object + description: | + list of regulators provided by this controller, must be named + after their hardware counterparts BUCK[1-4], one LDORTC, and LDO[2-5] + + mps,switch-freq: + description: | + switching frequency must be one of following corresponding value + 1.1MHz, 1.65MHz, 2.2MHz, 2.75MHz + $ref: "/schemas/types.yaml#/definitions/uint8" + enum: [ 0, 1, 2, 3 ] + default: 2 + + buck1: + type: object + $ref: "regulator.yaml#" + description: | + 4.5A DC-DC step down converter + + mps,buck-softstart: + $ref: "/schemas/types.yaml#/definitions/uint8" + enum: [ 0, 1, 2, 3 ] + default: 1 + description: | + defines the soft start time of this buck, must be one of the following + corresponding values 150us, 300us, 610us, 920us + + mps,buck-phase-delay: + $ref: "/schemas/types.yaml#/definitions/uint8" + enum: [ 0, 1, 2, 3 ] + default: 0 + description: | + defines the phase delay of this buck, must be one of the following + corresponding values 0deg, 90deg, 180deg, 270deg + + mps,buck-ovp-disable: + type: boolean + description: | + disables over voltage protection of this buck + + buck2: + type: object + $ref: "regulator.yaml#" + description: | + 2.5A DC-DC step down converter + + mps,buck-softstart: + description: | + defines the soft start time of this buck, must be one of the following + corresponding values 150us, 300us, 610us, 920us + $ref: "/schemas/types.yaml#/definitions/uint8" + enum: [ 0, 1, 2, 3 ] + default: 1 + + mps,buck-phase-delay: + description: | + defines the phase delay of this buck, must be one of the following + corresponding values 0deg, 90deg, 180deg, 270deg + $ref: "/schemas/types.yaml#/definitions/uint8" + enum: [ 0, 1, 2, 3 ] + default: 0 + + mps,buck-ovp-disable: + description: | + disables over voltage protection of this buck + type: boolean + + buck3: + type: object + $ref: "regulator.yaml#" + description: | + 4.5A DC-DC step down converter + + mps,buck-softstart: + description: | + defines the soft start time of this buck, must be one of the following + corresponding values 150us, 300us, 610us, 920us + $ref: "/schemas/types.yaml#/definitions/uint8" + enum: [ 0, 1, 2, 3 ] + default: 1 + + mps,buck-phase-delay: + description: | + defines the phase delay of this buck, must be one of the following + corresponding values 0deg, 90deg, 180deg, 270deg + $ref: "/schemas/types.yaml#/definitions/uint8" + enum: [ 0, 1, 2, 3 ] + default: 1 + + mps,buck-ovp-disable: + description: | + disables over voltage protection of this buck + type: boolean + + buck4: + type: object + $ref: "regulator.yaml#" + description: | + 2.5A DC-DC step down converter + + mps,buck-softstart: + description: | + defines the soft start time of this buck, must be one of the following + corresponding values 150us, 300us, 610us, 920us + $ref: "/schemas/types.yaml#/definitions/uint8" + enum: [ 0, 1, 2, 3 ] + default: 1 + + mps,buck-phase-delay: + description: | + defines the phase delay of this buck, must be one of the following + corresponding values 0deg, 90deg, 180deg, 270deg + $ref: "/schemas/types.yaml#/definitions/uint8" + enum: [ 0, 1, 2, 3 ] + default: 1 + + mps,buck-ovp-disable: + description: | + disables over voltage protection of this buck + type: boolean + + ldortc: + $ref: "regulator.yaml#" + description: | + regulator with 0.65V-3.5875V for RTC, always enabled + + ldo2: + $ref: "regulator.yaml#" + description: | + regulator with 0.65V-3.5875V + + ldo3: + $ref: "regulator.yaml#" + description: | + regulator with 0.65V-3.5875V + + ldo4: + $ref: "regulator.yaml#" + description: | + regulator with 0.65V-3.5875V + + ldo5: + $ref: "regulator.yaml#" + description: | + regulator with 0.65V-3.5875V + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + pmic@69 { + compatible = "mps,mpq7920"; + reg = <0x69>; + + regulators { + mps,switch-freq = <1>; + + buck1 { + regulator-name = "buck1"; + regulator-min-microvolt = <400000>; + regulator-max-microvolt = <3587500>; + regulator-min-microamp = <460000>; + regulator-max-microamp = <7600000>; + regulator-boot-on; + mps,buck-ovp-disable; + mps,buck-phase-delay = <2>; + mps,buck-softstart = <1>; + }; + + ldo2 { + regulator-name = "ldo2"; + regulator-min-microvolt = <650000>; + regulator-max-microvolt = <3587500>; + }; + }; + }; + }; +... -- 2.17.1
