| # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/mfd/nxp,pf1550.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: NXP PF1550 Power Management IC |
| |
| maintainers: |
| - Samuel Kayode <samuel.kayode@savoirfairelinux.com> |
| |
| description: |
| PF1550 PMIC provides battery charging and power supply for low power IoT and |
| wearable applications. This device consists of an i2c controlled MFD that |
| includes regulators, battery charging and an onkey/power button. |
| |
| $ref: /schemas/power/supply/power-supply.yaml |
| |
| properties: |
| compatible: |
| const: nxp,pf1550 |
| |
| reg: |
| maxItems: 1 |
| |
| interrupts: |
| maxItems: 1 |
| |
| wakeup-source: true |
| |
| regulators: |
| type: object |
| additionalProperties: false |
| |
| patternProperties: |
| "^(ldo[1-3]|sw[1-3]|vrefddr)$": |
| type: object |
| $ref: /schemas/regulator/regulator.yaml |
| description: |
| regulator configuration for ldo1-3, buck converters(sw1-3) |
| and DDR termination reference voltage (vrefddr) |
| unevaluatedProperties: false |
| |
| monitored-battery: |
| description: | |
| A phandle to a monitored battery node that contains a valid value |
| for: |
| constant-charge-voltage-max-microvolt. |
| |
| nxp,thermal-regulation-celsius: |
| description: |
| Temperature threshold for thermal regulation of charger in celsius. |
| enum: [ 80, 95, 110, 125 ] |
| |
| nxp,min-system-microvolt: |
| description: |
| System specific lower limit voltage. |
| enum: [ 3500000, 3700000, 4300000 ] |
| |
| nxp,disable-key-power: |
| type: boolean |
| description: |
| Disable power-down using a long key-press. The onkey driver will remove |
| support for the KEY_POWER key press when triggered using a long press of |
| the onkey. |
| |
| required: |
| - compatible |
| - reg |
| - interrupts |
| |
| unevaluatedProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/interrupt-controller/irq.h> |
| #include <dt-bindings/input/linux-event-codes.h> |
| |
| battery: battery-cell { |
| compatible = "simple-battery"; |
| constant-charge-voltage-max-microvolt = <4400000>; |
| }; |
| |
| i2c { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| pmic@8 { |
| compatible = "nxp,pf1550"; |
| reg = <0x8>; |
| |
| interrupt-parent = <&gpio1>; |
| interrupts = <2 IRQ_TYPE_LEVEL_LOW>; |
| wakeup-source; |
| monitored-battery = <&battery>; |
| nxp,min-system-microvolt = <4300000>; |
| nxp,thermal-regulation-celsius = <80>; |
| |
| regulators { |
| sw1_reg: sw1 { |
| regulator-name = "sw1"; |
| regulator-min-microvolt = <600000>; |
| regulator-max-microvolt = <1387500>; |
| regulator-always-on; |
| regulator-ramp-delay = <6250>; |
| |
| regulator-state-mem { |
| regulator-on-in-suspend; |
| regulator-suspend-min-microvolt = <1270000>; |
| }; |
| }; |
| |
| sw2_reg: sw2 { |
| regulator-name = "sw2"; |
| regulator-min-microvolt = <600000>; |
| regulator-max-microvolt = <1387500>; |
| regulator-always-on; |
| |
| regulator-state-mem { |
| regulator-on-in-suspend; |
| }; |
| }; |
| |
| sw3_reg: sw3 { |
| regulator-name = "sw3"; |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <3300000>; |
| regulator-always-on; |
| |
| regulator-state-mem { |
| regulator-on-in-suspend; |
| }; |
| }; |
| |
| vldo1_reg: ldo1 { |
| regulator-name = "ldo1"; |
| regulator-min-microvolt = <750000>; |
| regulator-max-microvolt = <3300000>; |
| regulator-always-on; |
| |
| regulator-state-mem { |
| regulator-off-in-suspend; |
| }; |
| }; |
| |
| vldo2_reg: ldo2 { |
| regulator-name = "ldo2"; |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <3300000>; |
| regulator-always-on; |
| }; |
| |
| vldo3_reg: ldo3 { |
| regulator-name = "ldo3"; |
| regulator-min-microvolt = <750000>; |
| regulator-max-microvolt = <3300000>; |
| regulator-always-on; |
| }; |
| }; |
| }; |
| }; |
