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