From: Chunyan Zhang <chunyan.zhang@xxxxxxxxxx> SC2730 is used on Unisoc's UMS512 SoC, it integrates low-voltage and low quiescent current DCDC/LDO. Signed-off-by: Chunyan Zhang <chunyan.zhang@xxxxxxxxxx> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> --- .../regulator/sprd,sc2730-regulator.yaml | 61 +++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/sprd,sc2730-regulator.yaml diff --git a/Documentation/devicetree/bindings/regulator/sprd,sc2730-regulator.yaml b/Documentation/devicetree/bindings/regulator/sprd,sc2730-regulator.yaml new file mode 100644 index 000000000000..6d1bec03eb52 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/sprd,sc2730-regulator.yaml @@ -0,0 +1,61 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright 2019-2021 Unisoc Inc. +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/regulator/sprd,sc2730-regulator.yaml#"; +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; + +title: Unisoc SC2730 Voltage Regulators Device Tree Bindings + +maintainers: + - Orson Zhai <orsonzhai@xxxxxxxxx> + - Baolin Wang <baolin.wang7@xxxxxxxxx> + - Chunyan Zhang <zhang.lyra@xxxxxxxxx> + +properties: + compatible: + const: sprd,sc2730-regulator + + reg: + maxItems: 1 + +patternProperties: + "^(DCDC|BUCK|LDO)_.+": + # Child node + type: object + description: dcdc/buck/ldo regulator nodes(s). + $ref: "regulator.yaml#" + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + pmic { + #address-cells = <1>; + #size-cells = <0>; + + regulators@1800 { + compatible = "sprd,sc2730-regulator"; + reg = <0x1800>; + + DCDC_CPU { + regulator-name = "vddcpu"; + regulator-min-microvolt = <200000>; + regulator-max-microvolt = <1596875>; + regulator-ramp-delay = <25000>; + regulator-always-on; + }; + + LDO_VDDWCN { + regulator-name = "vddwcn"; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1845000>; + regulator-ramp-delay = <25000>; + }; + }; + }; +... -- 2.25.1
