[PATCH v7 14/16] phy: Add an USB PHY driver for the Lantiq SoCs using the RCU module

[Rob Herring]

On Mon, Jul 03, 2017 at 12:40:49AM +0200, Hauke Mehrtens wrote:
> This driver starts the DWC2 core(s) built into the XWAY SoCs and provides
> the PHY interfaces for each core. The phy instances can be passed to the
> dwc2 driver, which already supports the generic phy interface.
> 
> Signed-off-by: Hauke Mehrtens <hauke at hauke-m.de>
> Cc: Kishon Vijay Abraham I <kishon at ti.com>
> ---
>  .../bindings/phy/phy-lantiq-rcu-usb2.txt           |  42 ++++
>  arch/mips/lantiq/xway/sysctrl.c                    |  24 +-
>  drivers/phy/Kconfig                                |   8 +
>  drivers/phy/Makefile                               |   1 +
>  drivers/phy/phy-lantiq-rcu-usb2.c                  | 275 +++++++++++++++++++++
>  5 files changed, 338 insertions(+), 12 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/phy/phy-lantiq-rcu-usb2.txt
>  create mode 100644 drivers/phy/phy-lantiq-rcu-usb2.c
> 
> diff --git a/Documentation/devicetree/bindings/phy/phy-lantiq-rcu-usb2.txt b/Documentation/devicetree/bindings/phy/phy-lantiq-rcu-usb2.txt
> new file mode 100644
> index 000000000000..c538baa2ba54
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/phy-lantiq-rcu-usb2.txt
> @@ -0,0 +1,42 @@
> +Lantiq XWAY SoC RCU USB 1.1/2.0 PHY binding
> +===========================================
> +
> +This binding describes the USB PHY hardware provided by the RCU module on the
> +Lantiq XWAY SoCs.
> +
> +This driver has to be a sub node of the Lantiq RCU block.
> +
> +-------------------------------------------------------------------------------
> +Required properties (controller (parent) node):
> +- compatible	: Should be one of
> +			"lantiq,ase-usb2-phy"
> +			"lantiq,danube-usb2-phy"
> +			"lantiq,xrx100-usb2-phy"
> +			"lantiq,xrx200-usb2-phy"
> +			"lantiq,xrx300-usb2-phy"
> +- offset-phy	: Offset of the USB PHY configuration register
> +- offset-ana	: Offset of the USB Analog configuration register

These are not needed with the reg property used instead.

Rob