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| author | Alexander Aring <alex.aring@gmail.com> | 2015-12-16 16:26:48 -0800 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2015-12-21 20:00:40 -0800 |
| commit | 4c8b338f9ae38dee9c77bda023babc7f7543f52c (patch) | |
| tree | 9c2a0b626db9e123f501840dd09bd7de33cac04a /Documentation | |
| parent | 60d56333e869be6ad6926cdba3ba974512b2183b (diff) | |
| download | linux-4c8b338f9ae38dee9c77bda023babc7f7543f52c.tar.gz linux-4c8b338f9ae38dee9c77bda023babc7f7543f52c.tar.bz2 linux-4c8b338f9ae38dee9c77bda023babc7f7543f52c.zip | |
dt-bindings: add rpi power domain driver bindings
This patch adds devicetree tree bindings for the Raspberry Pi power
domain driver.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Diffstat (limited to 'Documentation')
| -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>; +}; |