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43 lines
1.1 KiB
43 lines
1.1 KiB
MediaTek MT6397/MT6323 PMIC Keys Device Driver |
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There are two key functions provided by MT6397/MT6323 PMIC, pwrkey |
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and homekey. The key functions are defined as the subnode of the function |
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node provided by MT6397/MT6323 PMIC that is being defined as one kind |
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of Muti-Function Device (MFD) |
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For MT6397/MT6323 MFD bindings see: |
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Documentation/devicetree/bindings/mfd/mt6397.txt |
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Required properties: |
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- compatible: "mediatek,mt6397-keys" or "mediatek,mt6323-keys" |
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- linux,keycodes: See Documentation/devicetree/bindings/input/input.yaml |
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Optional Properties: |
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- wakeup-source: See Documentation/devicetree/bindings/power/wakeup-source.txt |
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- mediatek,long-press-mode: Long press key shutdown setting, 1 for |
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pwrkey only, 2 for pwrkey/homekey together, others for disabled. |
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- power-off-time-sec: See Documentation/devicetree/bindings/input/input.yaml |
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Example: |
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pmic: mt6397 { |
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compatible = "mediatek,mt6397"; |
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... |
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mt6397keys: mt6397keys { |
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compatible = "mediatek,mt6397-keys"; |
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mediatek,long-press-mode = <1>; |
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power-off-time-sec = <0>; |
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power { |
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linux,keycodes = <116>; |
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wakeup-source; |
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}; |
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home { |
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linux,keycodes = <114>; |
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}; |
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}; |
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};
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