xref: /freebsd/sys/contrib/device-tree/Bindings/soc/bcm/raspberrypi,bcm2835-power.txt (revision 02e9120893770924227138ba49df1edb3896112a)
1Raspberry Pi power domain driver
2
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_I2C0
12 RPI_POWER_DOMAIN_I2C1
13 RPI_POWER_DOMAIN_I2C2
14 RPI_POWER_DOMAIN_VIDEO_SCALER
15 RPI_POWER_DOMAIN_VPU1
16 RPI_POWER_DOMAIN_HDMI
17 RPI_POWER_DOMAIN_USB
18 RPI_POWER_DOMAIN_VEC
19 RPI_POWER_DOMAIN_JPEG
20 RPI_POWER_DOMAIN_H264
21 RPI_POWER_DOMAIN_V3D
22 RPI_POWER_DOMAIN_ISP
23 RPI_POWER_DOMAIN_UNICAM0
24 RPI_POWER_DOMAIN_UNICAM1
25 RPI_POWER_DOMAIN_CCP2RX
26 RPI_POWER_DOMAIN_CSI2
27 RPI_POWER_DOMAIN_CPI
28 RPI_POWER_DOMAIN_DSI0
29 RPI_POWER_DOMAIN_DSI1
30 RPI_POWER_DOMAIN_TRANSPOSER
31 RPI_POWER_DOMAIN_CCP2TX
32 RPI_POWER_DOMAIN_CDP
33 RPI_POWER_DOMAIN_ARM
34
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