1*4882a593SmuzhiyunRaspberry Pi power domain driver 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunRequired properties: 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun- compatible: Should be "raspberrypi,bcm2835-power". 6*4882a593Smuzhiyun- firmware: Reference to the RPi firmware device node. 7*4882a593Smuzhiyun- #power-domain-cells: Should be <1>, we providing multiple power domains. 8*4882a593Smuzhiyun 9*4882a593SmuzhiyunThe valid defines for power domain are: 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun RPI_POWER_DOMAIN_I2C0 12*4882a593Smuzhiyun RPI_POWER_DOMAIN_I2C1 13*4882a593Smuzhiyun RPI_POWER_DOMAIN_I2C2 14*4882a593Smuzhiyun RPI_POWER_DOMAIN_VIDEO_SCALER 15*4882a593Smuzhiyun RPI_POWER_DOMAIN_VPU1 16*4882a593Smuzhiyun RPI_POWER_DOMAIN_HDMI 17*4882a593Smuzhiyun RPI_POWER_DOMAIN_USB 18*4882a593Smuzhiyun RPI_POWER_DOMAIN_VEC 19*4882a593Smuzhiyun RPI_POWER_DOMAIN_JPEG 20*4882a593Smuzhiyun RPI_POWER_DOMAIN_H264 21*4882a593Smuzhiyun RPI_POWER_DOMAIN_V3D 22*4882a593Smuzhiyun RPI_POWER_DOMAIN_ISP 23*4882a593Smuzhiyun RPI_POWER_DOMAIN_UNICAM0 24*4882a593Smuzhiyun RPI_POWER_DOMAIN_UNICAM1 25*4882a593Smuzhiyun RPI_POWER_DOMAIN_CCP2RX 26*4882a593Smuzhiyun RPI_POWER_DOMAIN_CSI2 27*4882a593Smuzhiyun RPI_POWER_DOMAIN_CPI 28*4882a593Smuzhiyun RPI_POWER_DOMAIN_DSI0 29*4882a593Smuzhiyun RPI_POWER_DOMAIN_DSI1 30*4882a593Smuzhiyun RPI_POWER_DOMAIN_TRANSPOSER 31*4882a593Smuzhiyun RPI_POWER_DOMAIN_CCP2TX 32*4882a593Smuzhiyun RPI_POWER_DOMAIN_CDP 33*4882a593Smuzhiyun RPI_POWER_DOMAIN_ARM 34*4882a593Smuzhiyun 35*4882a593SmuzhiyunExample: 36*4882a593Smuzhiyun 37*4882a593Smuzhiyunpower: power { 38*4882a593Smuzhiyun compatible = "raspberrypi,bcm2835-power"; 39*4882a593Smuzhiyun firmware = <&firmware>; 40*4882a593Smuzhiyun #power-domain-cells = <1>; 41*4882a593Smuzhiyun}; 42*4882a593Smuzhiyun 43*4882a593SmuzhiyunExample for using power domain: 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun&usb { 46*4882a593Smuzhiyun power-domains = <&power RPI_POWER_DOMAIN_USB>; 47*4882a593Smuzhiyun}; 48