1*4882a593Smuzhiyun* NXP PCA PCA9564/PCA9665 I2C controller 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunThe PCA9564/PCA9665 serves as an interface between most standard 4*4882a593Smuzhiyunparallel-bus microcontrollers/microprocessors and the serial I2C-bus 5*4882a593Smuzhiyunand allows the parallel bus system to communicate bi-directionally 6*4882a593Smuzhiyunwith the I2C-bus. 7*4882a593Smuzhiyun 8*4882a593SmuzhiyunRequired properties : 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun - reg : Offset and length of the register set for the device 11*4882a593Smuzhiyun - compatible : one of "nxp,pca9564" or "nxp,pca9665" 12*4882a593Smuzhiyun 13*4882a593SmuzhiyunOptional properties 14*4882a593Smuzhiyun - interrupts : the interrupt number 15*4882a593Smuzhiyun - reset-gpios : gpio specifier for gpio connected to RESET_N pin. As the line 16*4882a593Smuzhiyun is active low, it should be marked GPIO_ACTIVE_LOW. 17*4882a593Smuzhiyun - clock-frequency : I2C bus frequency. 18*4882a593Smuzhiyun 19*4882a593SmuzhiyunExample: 20*4882a593Smuzhiyun i2c0: i2c@80000 { 21*4882a593Smuzhiyun compatible = "nxp,pca9564"; 22*4882a593Smuzhiyun #address-cells = <1>; 23*4882a593Smuzhiyun #size-cells = <0>; 24*4882a593Smuzhiyun reg = <0x80000 0x4>; 25*4882a593Smuzhiyun reset-gpios = <&gpio1 0 GPIO_ACTIVE_LOW>; 26*4882a593Smuzhiyun clock-frequency = <100000>; 27*4882a593Smuzhiyun }; 28