1*4882a593SmuzhiyunCypress I2C Touchpad 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunRequired properties: 4*4882a593Smuzhiyun- compatible: must be "cypress,cyapa". 5*4882a593Smuzhiyun- reg: I2C address of the chip. 6*4882a593Smuzhiyun- interrupts: interrupt to which the chip is connected (see interrupt 7*4882a593Smuzhiyun binding[0]). 8*4882a593Smuzhiyun 9*4882a593SmuzhiyunOptional properties: 10*4882a593Smuzhiyun- wakeup-source: touchpad can be used as a wakeup source. 11*4882a593Smuzhiyun- pinctrl-names: should be "default" (see pinctrl binding [1]). 12*4882a593Smuzhiyun- pinctrl-0: a phandle pointing to the pin settings for the device (see 13*4882a593Smuzhiyun pinctrl binding [1]). 14*4882a593Smuzhiyun- vcc-supply: a phandle for the regulator supplying 3.3V power. 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt 17*4882a593Smuzhiyun[1]: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt 18*4882a593Smuzhiyun 19*4882a593SmuzhiyunExample: 20*4882a593Smuzhiyun &i2c0 { 21*4882a593Smuzhiyun /* ... */ 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun /* Cypress Gen3 touchpad */ 24*4882a593Smuzhiyun touchpad@67 { 25*4882a593Smuzhiyun compatible = "cypress,cyapa"; 26*4882a593Smuzhiyun reg = <0x67>; 27*4882a593Smuzhiyun interrupt-parent = <&gpio>; 28*4882a593Smuzhiyun interrupts = <2 IRQ_TYPE_EDGE_FALLING>; /* GPIO 2 */ 29*4882a593Smuzhiyun wakeup-source; 30*4882a593Smuzhiyun }; 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun /* Cypress Gen5 and later touchpad */ 33*4882a593Smuzhiyun touchpad@24 { 34*4882a593Smuzhiyun compatible = "cypress,cyapa"; 35*4882a593Smuzhiyun reg = <0x24>; 36*4882a593Smuzhiyun interrupt-parent = <&gpio>; 37*4882a593Smuzhiyun interrupts = <2 IRQ_TYPE_EDGE_FALLING>; /* GPIO 2 */ 38*4882a593Smuzhiyun wakeup-source; 39*4882a593Smuzhiyun }; 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun /* ... */ 42*4882a593Smuzhiyun }; 43