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| author | Robin Gong <yibin.gong@nxp.com> | 2020-07-04 00:19:36 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-07-06 15:23:34 +0100 |
| commit | 7ae9e3a6bf3fb1b5a35a15d8a6e78fc42bed0867 (patch) | |
| tree | bc69efb2f646431132446f9361e61b058d0b9c3d /Documentation/devicetree/bindings/regulator | |
| parent | 0935ff5f1f0a44f66a13e075ed49f97ad99d2fdc (diff) | |
| download | lwn-7ae9e3a6bf3fb1b5a35a15d8a6e78fc42bed0867.tar.gz lwn-7ae9e3a6bf3fb1b5a35a15d8a6e78fc42bed0867.zip | |
dt-bindings: regulator: add pca9450 regulator yaml
Add device binding doc for pca9450 pmic driver.
Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1593793178-9737-3-git-send-email-yibin.gong@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/regulator')
| -rw-r--r-- | Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml b/Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml new file mode 100644 index 000000000000..c2b0a8b6da1e --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml @@ -0,0 +1,190 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/nxp,pca9450-regulator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP PCA9450A/B/C Power Management Integrated Circuit regulators + +maintainers: + - Robin Gong <yibin.gong@nxp.com> + +description: | + Regulator nodes should be named to BUCK_<number> and LDO_<number>. The + definition for each of these nodes is defined using the standard + binding for regulators at + Documentation/devicetree/bindings/regulator/regulator.txt. + Datasheet is available at + https://www.nxp.com/docs/en/data-sheet/PCA9450DS.pdf + +#The valid names for PCA9450 regulator nodes are: +#BUCK1, BUCK2, BUCK3, BUCK4, BUCK5, BUCK6, +#LDO1, LDO2, LDO3, LDO4, LDO5 +#Note: Buck3 removed on PCA9450B and connect with Buck1 on PCA9450C. + +properties: + compatible: + enum: + - nxp,pca9450a + - nxp,pca9450b + - nxp,pca9450c + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + regulators: + type: object + description: | + list of regulators provided by this controller + + patternProperties: + "^LDO[1-5]$": + type: object + $ref: regulator.yaml# + description: + Properties for single LDO regulator. + + properties: + regulator-name: + pattern: "^LDO[1-5]$" + description: + should be "LDO1", ..., "LDO5" + + unevaluatedProperties: false + + "^BUCK[1-6]$": + type: object + $ref: regulator.yaml# + description: + Properties for single BUCK regulator. + + properties: + regulator-name: + pattern: "^BUCK[1-6]$" + description: + should be "BUCK1", ..., "BUCK6" + + nxp,dvs-run-voltage: + $ref: "/schemas/types.yaml#/definitions/uint32" + minimum: 600000 + maximum: 2187500 + description: + PMIC default "RUN" state voltage in uV. Only Buck1~3 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 Buck1~3 have such + dvs(dynamic voltage scaling) property. + + unevaluatedProperties: false + + additionalProperties: false + +required: + - compatible + - reg + - interrupts + - regulators + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + pmic: pmic@25 { + compatible = "nxp,pca9450b"; + reg = <0x25>; + pinctrl-0 = <&pinctrl_pmic>; + interrupt-parent = <&gpio1>; + interrupts = <3 IRQ_TYPE_LEVEL_LOW>; + + regulators { + buck1: BUCK1 { + regulator-name = "BUCK1"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <2187500>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <3125>; + }; + buck2: BUCK2 { + regulator-name = "BUCK2"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <2187500>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <3125>; + nxp,dvs-run-voltage = <950000>; + nxp,dvs-standby-voltage = <850000>; + }; + buck4: BUCK4 { + regulator-name = "BUCK4"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <3400000>; + regulator-boot-on; + regulator-always-on; + }; + buck5: BUCK5 { + regulator-name = "BUCK5"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <3400000>; + regulator-boot-on; + regulator-always-on; + }; + buck6: BUCK6 { + regulator-name = "BUCK6"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <3400000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo1: LDO1 { + regulator-name = "LDO1"; + regulator-min-microvolt = <1600000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + ldo2: LDO2 { + regulator-name = "LDO2"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1150000>; + regulator-boot-on; + regulator-always-on; + }; + ldo3: LDO3 { + regulator-name = "LDO3"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + ldo4: LDO4 { + regulator-name = "LDO4"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + ldo5: LDO5 { + regulator-name = "LDO5"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + }; + }; + }; |