[PATCH 3/3] devicetree: add rpi power domain driver bindings
Rob Herring
robh at kernel.org
Fri Nov 20 08:14:15 PST 2015
On Thu, Nov 19, 2015 at 07:08:10PM +0100, Alexander Aring wrote:
> This patch adds devicetree tree bindings for the Raspberry Pi power
> domain driver.
>
> Signed-off-by: Alexander Aring <alex.aring at gmail.com>
Acked-by: Rob Herring <robh at kernel.org>
> ---
> .../bindings/arm/bcm/raspberrypi,bcm2835-power.txt | 25 ++++++++++++++++++++++
> 1 file changed, 25 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-power.txt
>
> diff --git a/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-power.txt b/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-power.txt
> new file mode 100644
> index 0000000..c3abc24
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-power.txt
> @@ -0,0 +1,25 @@
> +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_USB
> +
> +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>;
> +};
> --
> 2.6.1
>
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