diff options
| author | Joy Zou <joy.zou@nxp.com> | 2025-07-31 18:44:41 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2025-08-10 21:09:45 +0100 |
| commit | 82f0907931f016c04bcb992f764bd65992c7008e (patch) | |
| tree | d770895d795fb6ea06f7c589217762168c993f5a | |
| parent | 8f5ae30d69d7543eee0d70083daf4de8fe15d585 (diff) | |
dt-bindings: regulator: add PF0900 regulator yaml
Add device binding doc for PF0900 PMIC driver.
Can not get the I2C_CRC_EN config by reading register. If the PMIC
OTP_I2C_CRC_EN is enable, need to add the nxp,i2c-crc-enable property.
Signed-off-by: Joy Zou <joy.zou@nxp.com>
Link: https://patch.msgid.link/20250731-b4-pf09-v2-v3-1-4c2659516582@nxp.com
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | Documentation/devicetree/bindings/regulator/nxp,pf0900.yaml | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/regulator/nxp,pf0900.yaml b/Documentation/devicetree/bindings/regulator/nxp,pf0900.yaml new file mode 100644 index 000000000000..8c8fc2cd4ced --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/nxp,pf0900.yaml @@ -0,0 +1,163 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/nxp,pf0900.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP PF0900 Power Management Integrated Circuit regulators + +maintainers: + - Joy Zou <joy.zou@nxp.com> + +description: + The PF0900 is a power management integrated circuit (PMIC) optimized + for high performance i.MX9x based applications. It features five high + efficiency buck converters, three linear and one vaon regulators. It + provides low quiescent current in Standby and low power off Modes. + +properties: + compatible: + enum: + - nxp,pf0900 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + regulators: + type: object + additionalProperties: false + + properties: + vaon: + type: object + $ref: regulator.yaml# + unevaluatedProperties: false + + patternProperties: + "^ldo[1-3]$": + type: object + $ref: regulator.yaml# + unevaluatedProperties: false + + "^sw[1-5]$": + type: object + $ref: regulator.yaml# + unevaluatedProperties: false + + nxp,i2c-crc-enable: + type: boolean + description: + The CRC enabled during register read/write. Controlled by customer + unviewable fuse bits OTP_I2C_CRC_EN. Check chip part number. + +required: + - compatible + - reg + - interrupts + - regulators + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + pmic@8 { + compatible = "nxp,pf0900"; + reg = <0x08>; + interrupt-parent = <&pcal6524>; + interrupts = <89 IRQ_TYPE_LEVEL_LOW>; + nxp,i2c-crc-enable; + + regulators { + vaon { + regulator-name = "VAON"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + sw1 { + regulator-name = "SW1"; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <1950>; + regulator-state-mem { + regulator-on-in-suspend; + regulator-suspend-max-microvolt = <650000>; + regulator-suspend-min-microvolt = <650000>; + }; + }; + + sw2 { + regulator-name = "SW2"; + regulator-min-microvolt = <300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <1950>; + }; + + sw3 { + regulator-name = "SW3"; + regulator-min-microvolt = <300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <1950>; + }; + + sw4 { + regulator-name = "SW4"; + regulator-min-microvolt = <300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <1950>; + }; + + sw5 { + regulator-name = "SW5"; + regulator-min-microvolt = <300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <1950>; + }; + + ldo1 { + regulator-name = "LDO1"; + regulator-min-microvolt = <750000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo2 { + regulator-name = "LDO2"; + regulator-min-microvolt = <650000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo3 { + regulator-name = "LDO3"; + regulator-min-microvolt = <650000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + }; + }; + }; |