dt-bindings: power: supply: pm8941-coincell: Convert to DT schema format
Convert the binding to DT schema format. Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> Reviewed-by: Rob Herring <robh@kernel.org>
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Qualcomm Coincell Charger:
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The hardware block controls charging for a coincell or capacitor that is
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used to provide power backup for certain features of the power management
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IC (PMIC)
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- compatible:
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Usage: required
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Value type: <string>
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Definition: must be: "qcom,pm8941-coincell"
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- reg:
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Usage: required
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Value type: <u32>
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Definition: base address of the coincell charger registers
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- qcom,rset-ohms:
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Usage: required
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Value type: <u32>
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Definition: resistance (in ohms) for current-limiting resistor
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must be one of: 800, 1200, 1700, 2100
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- qcom,vset-millivolts:
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Usage: required
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Value type: <u32>
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Definition: voltage (in millivolts) to apply for charging
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must be one of: 2500, 3000, 3100, 3200
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- qcom,charger-disable:
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Usage: optional
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Value type: <boolean>
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Definition: defining this property disables charging
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This charger is a sub-node of one of the 8941 PMIC blocks, and is specified
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as a child node in DTS of that node. See ../mfd/qcom,spmi-pmic.txt and
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../mfd/qcom-pm8xxx.txt
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Example:
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pm8941@0 {
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coincell@2800 {
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compatible = "qcom,pm8941-coincell";
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reg = <0x2800>;
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qcom,rset-ohms = <2100>;
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qcom,vset-millivolts = <3000>;
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};
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};
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@ -0,0 +1,57 @@
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# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/power/supply/qcom,pm8941-coincell.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm Coincell Charger
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description: |
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The hardware block controls charging for a coincell or capacitor that is
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used to provide power backup for certain features of the power management
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IC (PMIC)
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maintainers:
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- Sebastian Reichel <sre@kernel.org>
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properties:
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compatible:
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const: qcom,pm8941-coincell
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reg:
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maxItems: 1
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qcom,rset-ohms:
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description: resistance (in ohms) for current-limiting resistor
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enum: [ 800, 1200, 1700, 2100 ]
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qcom,vset-millivolts:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: voltage (in millivolts) to apply for charging
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enum: [ 2500, 3000, 3100, 3200 ]
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qcom,charger-disable:
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type: boolean
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description: defining this property disables charging
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required:
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- compatible
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- reg
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- qcom,rset-ohms
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- qcom,vset-millivolts
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additionalProperties: false
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examples:
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- |
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pmic {
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#address-cells = <1>;
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#size-cells = <0>;
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charger@2800 {
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compatible = "qcom,pm8941-coincell";
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reg = <0x2800>;
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qcom,rset-ohms = <2100>;
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qcom,vset-millivolts = <3000>;
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};
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};
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