[RFC linus/master 2/4] phy: add raspberry pi driver
Stephen Warren
swarren at wwwdotorg.org
Sat Oct 24 20:45:49 PDT 2015
On 10/24/2015 06:20 AM, Alexander Aring wrote:
> This driver adds support for raspberry pi usb phy. This driver just
> adapt the current infrastructure for usb phys that usb controller uses
> to power the usb phy via regulators.
> diff --git a/Documentation/devicetree/bindings/phy/raspberrypi-phy.txt b/Documentation/devicetree/bindings/phy/raspberrypi-phy.txt
> +RASPBERRY PI USB PHY
> +
> +Required properties:
> + - compatible: raspberrypi,bcm2835-usbphy
> + - #phy-cells: must be 0
> + - phy-supply: regulator for the rpi usb phy
> +Refer to phy/phy-bindings.txt for the generic PHY binding properties
> +
> +Example:
> +
> + usbphy: usbphy {
> + compatible = "raspberrypi,bcm2835-usbphy";
> + #phy-cells = <0>;
> + phy-supply = <&usb_hcd_reg>;
Are you sure this power domain really is related to a USB *PHY*? "HCD"
usually means "host controller", which is usually separate from a "PHY"
(or perhaps includes a PHY but is still something more than a PHY).
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