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36 lines
1.0 KiB
36 lines
1.0 KiB
Device tree bindings for Atmel capacitive touch device, typically |
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an Atmel touch sensor connected to AtmegaXX MCU running firmware |
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based on Qtouch library. |
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The node for this device must be a child of a I2C controller node, as the |
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device communicates via I2C. |
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Required properties: |
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compatible: Must be "atmel,captouch". |
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reg: The I2C slave address of the device. |
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interrupts: Property describing the interrupt line the device |
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is connected to. The device only has one interrupt |
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source. |
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linux,keycodes: Specifies an array of numeric keycode values to |
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be used for reporting button presses. The array can |
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contain up to 8 entries. |
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Optional properties: |
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autorepeat: Enables the Linux input system's autorepeat |
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feature on the input device. |
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Example: |
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atmel-captouch@51 { |
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compatible = "atmel,captouch"; |
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reg = <0x51>; |
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interrupt-parent = <&tlmm>; |
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interrupts = <67 IRQ_TYPE_EDGE_FALLING>; |
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linux,keycodes = <BTN_0>, <BTN_1>, |
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<BTN_2>, <BTN_3>, |
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<BTN_4>, <BTN_5>, |
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<BTN_6>, <BTN_7>; |
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autorepeat; |
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};
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