[PATCH 2/3] ARM: bcm2835: Add the Raspberry Pi firmware driver

[Lee Jones]

Don't forget to CC LKML.

> This gives us a function for making mailbox property channel requests
> of the firmware, and uses it to control the 3 power domains provided
> by the firmware.
> 
> Signed-off-by: Eric Anholt <eric at anholt.net>
> ---
>  arch/arm/mach-bcm/Kconfig                          |   2 +
>  arch/arm/mach-bcm/Makefile                         |   1 +
>  arch/arm/mach-bcm/raspberrypi-firmware.c           | 285 +++++++++++++++++++++
>  .../dt-bindings/arm/raspberrypi-firmware-power.h   |  16 ++
>  include/soc/bcm2835/raspberrypi-mailbox-property.h | 110 ++++++++
>  5 files changed, 414 insertions(+)
>  create mode 100644 arch/arm/mach-bcm/raspberrypi-firmware.c
>  create mode 100644 include/dt-bindings/arm/raspberrypi-firmware-power.h
>  create mode 100644 include/soc/bcm2835/raspberrypi-mailbox-property.h