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Signed-off-by: Joy Zou Signed-off-by: Frank Li --- .../bindings/regulator/nxp,pf9453-regulator.yaml | 158 +++++++++++++++++= ++++ 1 file changed, 158 insertions(+) diff --git a/Documentation/devicetree/bindings/regulator/nxp,pf9453-regulat= or.yaml b/Documentation/devicetree/bindings/regulator/nxp,pf9453-regulator.= yaml new file mode 100644 index 0000000000000..07e9c3d3efdff --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/nxp,pf9453-regulator.yaml @@ -0,0 +1,158 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/nxp,pf9453-regulator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP PF9453 Power Management Integrated Circuit regulators + +maintainers: + - Joy Zou + +properties: + compatible: + enum: + - nxp,pf9453 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + regulators: + type: object + description: list of regulators provided by this controller + + patternProperties: + "^LDO(1|2|_SNVS)$": + type: object + $ref: regulator.yaml# + description: + Properties for single LDO regulator. + unevaluatedProperties: false + + "^BUCK[1-4]$": + type: object + $ref: regulator.yaml# + description: + Properties for single BUCK regulator. + unevaluatedProperties: false + + properties: + nxp,dvs-run-voltage: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 600000 + maximum: 2187500 + description: + PMIC default "RUN" state voltage in uV. Only Buck2 have such + dvs(dynamic voltage scaling) property. + + nxp,dvs-standby-voltage: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 600000 + maximum: 2187500 + description: + PMIC default "STANDBY" state voltage in uV. Only Buck2 have = such + dvs(dynamic voltage scaling) property. + + additionalProperties: false + + sd-vsel-gpios: + description: + GPIO that is used to switch LDO5 between being configured by LDO5CTR= L_L + or LDO5CTRL_H register. Use this if the SD_VSEL signal is connected = to + a host GPIO. + + nxp,i2c-lt-enable: + type: boolean + description: + Indicates that the I2C Level Translator is used. + + nxp,wdog_b-warm-reset: + type: boolean + description: + When WDOG_B signal is asserted a warm reset will be done instead of = cold + reset. + +required: + - compatible + - reg + - interrupts + - regulators + +additionalProperties: false + +examples: + - | + #include + + i2c { + #address-cells =3D <1>; + #size-cells =3D <0>; + pmic@32 { + compatible =3D "nxp,pf9453"; + reg =3D <0x32>; + interrupt-parent =3D <&pcal6524>; + interrupts =3D <11 IRQ_TYPE_EDGE_FALLING>; + + regulators { + BUCK1 { + regulator-name =3D "BUCK1"; + regulator-min-microvolt =3D <600000>; + regulator-max-microvolt =3D <3775000>; + regulator-boot-on; + regulator-always-on; + }; + + BUCK2 { + regulator-name =3D "BUCK2"; + regulator-min-microvolt =3D <600000>; + regulator-max-microvolt =3D <2187500>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay =3D <12500>; + }; + + BUCK3 { + regulator-name =3D "BUCK3"; + regulator-min-microvolt =3D <600000>; + regulator-max-microvolt =3D <3775000>; + regulator-boot-on; + regulator-always-on; + }; + + BUCK4{ + regulator-name =3D "BUCK4"; + regulator-min-microvolt =3D <600000>; + regulator-max-microvolt =3D <3775000>; + regulator-boot-on; + regulator-always-on; + }; + + LDO1 { + regulator-name =3D "LDO1"; + regulator-min-microvolt =3D <800000>; + regulator-max-microvolt =3D <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + LDO2 { + regulator-name =3D "LDO2"; + regulator-min-microvolt =3D <500000>; + regulator-max-microvolt =3D <1950000>; + regulator-boot-on; + regulator-always-on; + }; + + LDO_SNVS { + regulator-name =3D "LDO_SNVS"; + regulator-min-microvolt =3D <800000>; + regulator-max-microvolt =3D <3000000>; + regulator-boot-on; + regulator-always-on; + }; + }; + }; + }; --=20 2.34.1