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author | Arnd Bergmann <arnd@arndb.de> | 2015-12-31 19:11:29 +0300 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2015-12-31 19:11:29 +0300 |
commit | 5d2c585c7ddda2d5520e585768d0b3f66d04b59f (patch) | |
tree | 8b4892577f41a9529e3685cb097d71312368bc08 /Documentation/devicetree/bindings/soc | |
parent | 1a4af6ea41392a1acd0ec27d2eeca0f61ee54b65 (diff) | |
parent | a09cd356586d33f64cbe64ee4f5c1a7c4a6abee5 (diff) | |
download | linux-5d2c585c7ddda2d5520e585768d0b3f66d04b59f.tar.xz |
Merge tag 'bcm2835-drivers-next-2015-12-28' of http://github.com/anholt/linux into next/drivers
Pull "BCM2835 drivers changes for 4.5" from Eric Anholt:
This pull request includes the bcm2835 changes for 4.5 targeting the
arm-soc next/drivers branch.
* tag 'bcm2835-drivers-next-2015-12-28' of http://github.com/anholt/linux:
ARM: bcm2835: add rpi power domain driver
dt-bindings: add rpi power domain driver bindings
ARM: bcm2835: Define two new packets from the latest firmware.
Diffstat (limited to 'Documentation/devicetree/bindings/soc')
-rw-r--r-- | Documentation/devicetree/bindings/soc/bcm/raspberrypi,bcm2835-power.txt | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/soc/bcm/raspberrypi,bcm2835-power.txt b/Documentation/devicetree/bindings/soc/bcm/raspberrypi,bcm2835-power.txt new file mode 100644 index 000000000000..30942cf7992b --- /dev/null +++ b/Documentation/devicetree/bindings/soc/bcm/raspberrypi,bcm2835-power.txt @@ -0,0 +1,47 @@ +Raspberry Pi power domain driver + +Required properties: + +- compatible: Should be "raspberrypi,bcm2835-power". +- firmware: Reference to the RPi firmware device node. +- #power-domain-cells: Should be <1>, we providing multiple power domains. + +The valid defines for power domain are: + + RPI_POWER_DOMAIN_I2C0 + RPI_POWER_DOMAIN_I2C1 + RPI_POWER_DOMAIN_I2C2 + RPI_POWER_DOMAIN_VIDEO_SCALER + RPI_POWER_DOMAIN_VPU1 + RPI_POWER_DOMAIN_HDMI + RPI_POWER_DOMAIN_USB + RPI_POWER_DOMAIN_VEC + RPI_POWER_DOMAIN_JPEG + RPI_POWER_DOMAIN_H264 + RPI_POWER_DOMAIN_V3D + RPI_POWER_DOMAIN_ISP + RPI_POWER_DOMAIN_UNICAM0 + RPI_POWER_DOMAIN_UNICAM1 + RPI_POWER_DOMAIN_CCP2RX + RPI_POWER_DOMAIN_CSI2 + RPI_POWER_DOMAIN_CPI + RPI_POWER_DOMAIN_DSI0 + RPI_POWER_DOMAIN_DSI1 + RPI_POWER_DOMAIN_TRANSPOSER + RPI_POWER_DOMAIN_CCP2TX + RPI_POWER_DOMAIN_CDP + RPI_POWER_DOMAIN_ARM + +Example: + +power: power { + compatible = "raspberrypi,bcm2835-power"; + firmware = <&firmware>; + #power-domain-cells = <1>; +}; + +Example for using power domain: + +&usb { + power-domains = <&power RPI_POWER_DOMAIN_USB>; +}; |