| # SPDX-License-Identifier: GPL-2.0 |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/power/supply/qcom,pm8941-coincell.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Qualcomm Coincell Charger |
| |
| description: | |
| The hardware block controls charging for a coincell or capacitor that is |
| used to provide power backup for certain features of the power management |
| IC (PMIC) |
| |
| maintainers: |
| - Sebastian Reichel <sre@kernel.org> |
| |
| properties: |
| compatible: |
| oneOf: |
| - items: |
| - enum: |
| - qcom,pm8998-coincell |
| - const: qcom,pm8941-coincell |
| |
| - const: qcom,pm8941-coincell |
| |
| reg: |
| maxItems: 1 |
| |
| qcom,rset-ohms: |
| description: | |
| Resistance (in ohms) for current-limiting resistor. If unspecified, |
| inherit the previous configuration (e.g. from bootloader or hardware |
| default value). |
| enum: [ 800, 1200, 1700, 2100 ] |
| |
| qcom,vset-millivolts: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| description: | |
| Voltage (in millivolts) to apply for charging. If unspecified, inherit |
| the previous configuration (e.g. from bootloader or hardware default |
| value). |
| enum: [ 2500, 3000, 3100, 3200 ] |
| |
| qcom,charger-disable: |
| type: boolean |
| description: defining this property disables charging |
| |
| required: |
| - compatible |
| - reg |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| pmic { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| charger@2800 { |
| compatible = "qcom,pm8941-coincell"; |
| reg = <0x2800>; |
| qcom,rset-ohms = <2100>; |
| qcom,vset-millivolts = <3000>; |
| }; |
| }; |
