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48 lines
1.1 KiB
48 lines
1.1 KiB
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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