[RFCv2 usb-next 3/3] usb: host: xhci: plat: integrate the platform-roothub
Rob Herring
robh at kernel.org
Mon Jul 17 10:58:02 PDT 2017
On Thu, Jul 13, 2017 at 12:59:39PM +0200, Martin Blumenstingl wrote:
> This enables the platform-roothub for the xhci-plat driver. This allows
> specifying a PHY for each port via devicetree. All PHYs will then be
> enabled/disabled by the platform-roothub driver.
>
> One example where this is required is the Amlogic GXL and GXM SoCs:
> They are using a dwc3 USB controller with up to three ports enabled on
> the internal roothub. Using only the top-level "phy" properties does not
> work here since one can only specify one "usb2-phy" and one "usb3-phy",
> while actually at least two "usb2-phy" have to be specified.
>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl at googlemail.com>
> ---
> Documentation/devicetree/bindings/usb/usb-xhci.txt | 7 ++++++
Acked-by: Rob Herring <robh at kernel.org>
> drivers/usb/host/Kconfig | 1 +
> drivers/usb/host/xhci-plat.c | 27 +++++++++++++++++++++-
> drivers/usb/host/xhci.h | 2 ++
> 4 files changed, 36 insertions(+), 1 deletion(-)
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