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82f0907931
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>
164 lines
4.7 KiB
YAML
164 lines
4.7 KiB
YAML
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/regulator/nxp,pf0900.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: NXP PF0900 Power Management Integrated Circuit regulators
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maintainers:
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- Joy Zou <joy.zou@nxp.com>
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description:
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The PF0900 is a power management integrated circuit (PMIC) optimized
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for high performance i.MX9x based applications. It features five high
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efficiency buck converters, three linear and one vaon regulators. It
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provides low quiescent current in Standby and low power off Modes.
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properties:
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compatible:
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enum:
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- nxp,pf0900
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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regulators:
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type: object
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additionalProperties: false
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properties:
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vaon:
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type: object
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$ref: regulator.yaml#
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unevaluatedProperties: false
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patternProperties:
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"^ldo[1-3]$":
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type: object
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$ref: regulator.yaml#
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unevaluatedProperties: false
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"^sw[1-5]$":
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type: object
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$ref: regulator.yaml#
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unevaluatedProperties: false
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nxp,i2c-crc-enable:
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type: boolean
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description:
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The CRC enabled during register read/write. Controlled by customer
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unviewable fuse bits OTP_I2C_CRC_EN. Check chip part number.
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required:
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- compatible
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- reg
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- interrupts
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- regulators
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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pmic@8 {
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compatible = "nxp,pf0900";
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reg = <0x08>;
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interrupt-parent = <&pcal6524>;
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interrupts = <89 IRQ_TYPE_LEVEL_LOW>;
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nxp,i2c-crc-enable;
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regulators {
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vaon {
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regulator-name = "VAON";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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regulator-always-on;
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};
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sw1 {
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regulator-name = "SW1";
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regulator-min-microvolt = <500000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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regulator-always-on;
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regulator-ramp-delay = <1950>;
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regulator-state-mem {
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regulator-on-in-suspend;
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regulator-suspend-max-microvolt = <650000>;
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regulator-suspend-min-microvolt = <650000>;
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};
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};
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sw2 {
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regulator-name = "SW2";
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regulator-min-microvolt = <300000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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regulator-always-on;
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regulator-ramp-delay = <1950>;
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};
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sw3 {
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regulator-name = "SW3";
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regulator-min-microvolt = <300000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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regulator-always-on;
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regulator-ramp-delay = <1950>;
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};
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sw4 {
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regulator-name = "SW4";
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regulator-min-microvolt = <300000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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regulator-always-on;
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regulator-ramp-delay = <1950>;
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};
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sw5 {
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regulator-name = "SW5";
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regulator-min-microvolt = <300000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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regulator-always-on;
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regulator-ramp-delay = <1950>;
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};
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ldo1 {
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regulator-name = "LDO1";
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regulator-min-microvolt = <750000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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regulator-always-on;
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};
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ldo2 {
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regulator-name = "LDO2";
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regulator-min-microvolt = <650000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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regulator-always-on;
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};
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ldo3 {
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regulator-name = "LDO3";
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regulator-min-microvolt = <650000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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regulator-always-on;
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};
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};
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};
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};
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