162306a36Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci%YAML 1.2 362306a36Sopenharmony_ci--- 462306a36Sopenharmony_ci$id: http://devicetree.org/schemas/power/supply/richtek,rt9455.yaml# 562306a36Sopenharmony_ci$schema: http://devicetree.org/meta-schemas/core.yaml# 662306a36Sopenharmony_ci 762306a36Sopenharmony_cititle: Richtek rt9455 battery charger 862306a36Sopenharmony_ci 962306a36Sopenharmony_cimaintainers: 1062306a36Sopenharmony_ci - Sebastian Reichel <sre@kernel.org> 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ciallOf: 1362306a36Sopenharmony_ci - $ref: power-supply.yaml# 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_ciproperties: 1662306a36Sopenharmony_ci compatible: 1762306a36Sopenharmony_ci const: richtek,rt9455 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_ci reg: 2062306a36Sopenharmony_ci maxItems: 1 2162306a36Sopenharmony_ci 2262306a36Sopenharmony_ci interrupts: 2362306a36Sopenharmony_ci maxItems: 1 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_ci richtek,output-charge-current: 2662306a36Sopenharmony_ci $ref: /schemas/types.yaml#/definitions/uint32 2762306a36Sopenharmony_ci description: output current from the charger to the battery, in uA. 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_ci richtek,end-of-charge-percentage: 3062306a36Sopenharmony_ci $ref: /schemas/types.yaml#/definitions/uint32 3162306a36Sopenharmony_ci description: | 3262306a36Sopenharmony_ci percent of the output charge current. When the current in constant-voltage phase drops 3362306a36Sopenharmony_ci below output_charge_current x end-of-charge-percentage, charge is terminated. 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_ci richtek,battery-regulation-voltage: 3662306a36Sopenharmony_ci $ref: /schemas/types.yaml#/definitions/uint32 3762306a36Sopenharmony_ci description: maximum battery voltage in uV. 3862306a36Sopenharmony_ci 3962306a36Sopenharmony_ci richtek,boost-output-voltage: 4062306a36Sopenharmony_ci $ref: /schemas/types.yaml#/definitions/uint32 4162306a36Sopenharmony_ci description: | 4262306a36Sopenharmony_ci maximum voltage provided to consumer devices, when the charger is in boost mode, in uV. 4362306a36Sopenharmony_ci 4462306a36Sopenharmony_ci richtek,min-input-voltage-regulation: 4562306a36Sopenharmony_ci $ref: /schemas/types.yaml#/definitions/uint32 4662306a36Sopenharmony_ci description: | 4762306a36Sopenharmony_ci input voltage level in uV, used to decrease voltage level when the over current of the 4862306a36Sopenharmony_ci input power source occurs. This prevents input voltage drop due to insufficient 4962306a36Sopenharmony_ci current provided by the power source. Defaults to 4500000 uV (4.5V). 5062306a36Sopenharmony_ci 5162306a36Sopenharmony_ci richtek,avg-input-current-regulation: 5262306a36Sopenharmony_ci $ref: /schemas/types.yaml#/definitions/uint32 5362306a36Sopenharmony_ci description: | 5462306a36Sopenharmony_ci input current value in uA drained by the charger from the power source. 5562306a36Sopenharmony_ci Defaults to 500000 uA (500mA). 5662306a36Sopenharmony_ci 5762306a36Sopenharmony_cirequired: 5862306a36Sopenharmony_ci - compatible 5962306a36Sopenharmony_ci - reg 6062306a36Sopenharmony_ci - interrupts 6162306a36Sopenharmony_ci - richtek,output-charge-current 6262306a36Sopenharmony_ci - richtek,end-of-charge-percentage 6362306a36Sopenharmony_ci - richtek,battery-regulation-voltage 6462306a36Sopenharmony_ci - richtek,boost-output-voltage 6562306a36Sopenharmony_ci 6662306a36Sopenharmony_ciadditionalProperties: false 6762306a36Sopenharmony_ci 6862306a36Sopenharmony_ciexamples: 6962306a36Sopenharmony_ci - | 7062306a36Sopenharmony_ci #include <dt-bindings/interrupt-controller/irq.h> 7162306a36Sopenharmony_ci i2c { 7262306a36Sopenharmony_ci #address-cells = <1>; 7362306a36Sopenharmony_ci #size-cells = <0>; 7462306a36Sopenharmony_ci 7562306a36Sopenharmony_ci charger@22 { 7662306a36Sopenharmony_ci compatible = "richtek,rt9455"; 7762306a36Sopenharmony_ci reg = <0x22>; 7862306a36Sopenharmony_ci 7962306a36Sopenharmony_ci interrupt-parent = <&gpio1>; 8062306a36Sopenharmony_ci interrupts = <0 IRQ_TYPE_LEVEL_LOW>; 8162306a36Sopenharmony_ci 8262306a36Sopenharmony_ci richtek,output-charge-current = <500000>; 8362306a36Sopenharmony_ci richtek,end-of-charge-percentage = <10>; 8462306a36Sopenharmony_ci richtek,battery-regulation-voltage = <4200000>; 8562306a36Sopenharmony_ci richtek,boost-output-voltage = <5050000>; 8662306a36Sopenharmony_ci 8762306a36Sopenharmony_ci richtek,min-input-voltage-regulation = <4500000>; 8862306a36Sopenharmony_ci richtek,avg-input-current-regulation = <500000>; 8962306a36Sopenharmony_ci }; 9062306a36Sopenharmony_ci }; 91