From 44e9b3446423164dd04f58a5f9efd988c4d5e84b Mon Sep 17 00:00:00 2001 From: Saravanan Sekar Date: Thu, 23 Jan 2020 22:53:38 +0100 Subject: dt-bindings: regulator: add document bindings for mpq7920 Add device tree binding information for mpq7920 regulator driver. Example bindings for mpq7920 are added. Signed-off-by: Saravanan Sekar Reviewed-by: Rob Herring Link: https://lore.kernel.org/r/20200123215338.11109-1-sravanhome@gmail.com Signed-off-by: Mark Brown --- .../devicetree/bindings/regulator/mps,mpq7920.yaml | 121 +++++++++++++++++++++ 1 file changed, 121 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml (limited to 'Documentation/devicetree') diff --git a/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml b/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml new file mode 100644 index 000000000000..a682af0dc67e --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml @@ -0,0 +1,121 @@ +# 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 + +properties: + $nodename: + pattern: "pmic@[0-9a-f]{1,2}" + compatible: + enum: + - mps,mpq7920 + + reg: + maxItems: 1 + + regulators: + type: object + allOf: + - $ref: regulator.yaml# + description: | + list of regulators provided by this controller, must be named + after their hardware counterparts BUCK[1-4], one LDORTC, and LDO[2-5] + + properties: + mps,switch-freq: + allOf: + - $ref: "/schemas/types.yaml#/definitions/uint8" + enum: [ 0, 1, 2, 3 ] + default: 2 + description: | + switching frequency must be one of following corresponding value + 1.1MHz, 1.65MHz, 2.2MHz, 2.75MHz + + patternProperties: + "^ldo[1-4]$": + type: object + allOf: + - $ref: regulator.yaml# + + "^ldortc$": + type: object + allOf: + - $ref: regulator.yaml# + + "^buck[1-4]$": + type: object + allOf: + - $ref: regulator.yaml# + + properties: + mps,buck-softstart: + allOf: + - $ref: "/schemas/types.yaml#/definitions/uint8" + enum: [ 0, 1, 2, 3 ] + 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: + allOf: + - $ref: "/schemas/types.yaml#/definitions/uint8" + enum: [ 0, 1, 2, 3 ] + 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 + + additionalProperties: false + additionalProperties: false + +required: + - compatible + - reg + - regulators + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + pmic@69 { + compatible = "mps,mpq7920"; + reg = <0x69>; + + regulators { + mps,switch-freq = /bits/ 8 <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 = /bits/ 8 <2>; + mps,buck-softstart = /bits/ 8 <1>; + }; + + ldo2 { + regulator-name = "ldo2"; + regulator-min-microvolt = <650000>; + regulator-max-microvolt = <3587500>; + }; + }; + }; + }; +... -- cgit v1.2.3