Samsung tm2-touchkey
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Required properties:
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- compatible:
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* "cypress,tm2-touchkey" - for the touchkey found on the tm2 board
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* "cypress,midas-touchkey" - for the touchkey found on midas boards
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* "cypress,aries-touchkey" - for the touchkey found on aries boards
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* "coreriver,tc360-touchkey" - for the Coreriver TouchCore 360 touchkey
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- reg: I2C address of the chip.
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- interrupts: interrupt to which the chip is connected (see interrupt
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binding[0]).
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- vcc-supply : internal regulator output. 1.8V
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- vdd-supply : power supply for IC 3.3V
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Optional properties:
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- linux,keycodes: array of keycodes (max 4), default KEY_PHONE and KEY_BACK
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[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
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Example:
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&i2c0 {
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/* ... */
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touchkey@20 {
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compatible = "cypress,tm2-touchkey";
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reg = <0x20>;
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interrupt-parent = <&gpa3>;
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interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
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vcc-supply=<&ldo32_reg>;
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vdd-supply=<&ldo33_reg>;
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linux,keycodes = <KEY_PHONE KEY_BACK>;
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};
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};
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