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| -rw-r--r-- | Documentation/devicetree/bindings/mfd/spacemit,p1.yaml | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/spacemit,p1.yaml b/Documentation/devicetree/bindings/mfd/spacemit,p1.yaml new file mode 100644 index 000000000000..c6593ac6ef6a --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/spacemit,p1.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/spacemit,p1.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SpacemiT P1 Power Management Integrated Circuit + +maintainers: + - Troy Mitchell <troy.mitchell@linux.spacemit.com> + +description: + P1 is an I2C-controlled PMIC produced by SpacemiT. It implements six + constant-on-time buck converters and twelve low-dropout regulators. + It also contains a load switch, watchdog timer, real-time clock, eight + 12-bit ADC channels, and six GPIOs. Additional details are available + in the "Power Stone/P1" section at the following link. + https://developer.spacemit.com/documentation + +properties: + compatible: + const: spacemit,p1 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + vin-supply: + description: Input supply phandle. + + regulators: + type: object + + patternProperties: + "^(buck[1-6]|aldo[1-4]|dldo[1-7])$": + type: object + $ref: /schemas/regulator/regulator.yaml# + unevaluatedProperties: false + + unevaluatedProperties: false + +required: + - compatible + - reg + - interrupts + +unevaluatedProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + pmic@41 { + compatible = "spacemit,p1"; + reg = <0x41>; + interrupts = <64>; + + regulators { + buck1 { + regulator-name = "buck1"; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3450000>; + regulator-ramp-delay = <5000>; + regulator-always-on; + }; + + aldo1 { + regulator-name = "aldo1"; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + regulator-boot-on; + }; + + dldo1 { + regulator-name = "dldo1"; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + regulator-boot-on; + }; + }; + }; + }; |