1 Raspberry Pi power domain driver
2
3 Required 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
9 The 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
35 Example:
36
37 power: power {
38 compatible = "raspberrypi,bcm2835-power";
39 firmware = <&firmware>;
40 #power-domain-cells = <1>;
41 };
42
43 Example for using power domain:
44
45 &usb {
46 power-domains = <&power RPI_POWER_DOMAIN_USB>;
47 };
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