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1Raspberry Pi power domain driver2 3Required properties:4 5- compatible: Should be "raspberrypi,bcm2835-power".6- firmware: Reference to the RPi firmware device node.7- #power-domain-cells: Should be <1>, we providing multiple power domains.8 9The valid defines for power domain are:10 11 RPI_POWER_DOMAIN_I2C012 RPI_POWER_DOMAIN_I2C113 RPI_POWER_DOMAIN_I2C214 RPI_POWER_DOMAIN_VIDEO_SCALER15 RPI_POWER_DOMAIN_VPU116 RPI_POWER_DOMAIN_HDMI17 RPI_POWER_DOMAIN_USB18 RPI_POWER_DOMAIN_VEC19 RPI_POWER_DOMAIN_JPEG20 RPI_POWER_DOMAIN_H26421 RPI_POWER_DOMAIN_V3D22 RPI_POWER_DOMAIN_ISP23 RPI_POWER_DOMAIN_UNICAM024 RPI_POWER_DOMAIN_UNICAM125 RPI_POWER_DOMAIN_CCP2RX26 RPI_POWER_DOMAIN_CSI227 RPI_POWER_DOMAIN_CPI28 RPI_POWER_DOMAIN_DSI029 RPI_POWER_DOMAIN_DSI130 RPI_POWER_DOMAIN_TRANSPOSER31 RPI_POWER_DOMAIN_CCP2TX32 RPI_POWER_DOMAIN_CDP33 RPI_POWER_DOMAIN_ARM34 35Example:36 37power: power {38 compatible = "raspberrypi,bcm2835-power";39 firmware = <&firmware>;40 #power-domain-cells = <1>;41};42 43Example for using power domain:44 45&usb {46 power-domains = <&power RPI_POWER_DOMAIN_USB>;47};48