From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guenter Roeck Subject: Re: [v2, 1/2] Documentation: bindings: add DT documentation for Rockchip USB2PHY Date: Fri, 3 Jun 2016 12:25:32 -0700 Message-ID: <20160603192532.GA4241@roeck-us.net> References: <1464850090-99371-2-git-send-email-frank.wang@rock-chips.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1464850090-99371-2-git-send-email-frank.wang-TNX95d0MmH7DzftRWevZcw@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Frank Wang Cc: heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org, dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, kishon-l0cyMroinI0@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, jwerner-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, xzy.xu-TNX95d0MmH7DzftRWevZcw@public.gmane.org, huangtao-TNX95d0MmH7DzftRWevZcw@public.gmane.org, kever.yang-TNX95d0MmH7DzftRWevZcw@public.gmane.org, william.wu-TNX95d0MmH7DzftRWevZcw@public.gmane.org List-Id: devicetree@vger.kernel.org On Thu, Jun 02, 2016 at 02:48:09PM +0800, Frank Wang wrote: > Signed-off-by: Frank Wang > --- > > Changes in v2: > - Changed vbus_host optional property from gpio to regulator. > - Specified vbus_otg-supply optional property. > - Specified otg_id and otg_bvalid property. > > .../bindings/phy/phy-rockchip-inno-usb2.txt | 55 ++++++++++++++++++++ > 1 file changed, 55 insertions(+) > create mode 100644 Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt > > diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt > new file mode 100644 > index 0000000..132e707 > --- /dev/null > +++ b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt > @@ -0,0 +1,55 @@ > +ROCKCHIP USB2.0 PHY WITH INNO IP BLOCK > + > +Required properties (phy (parent) node): > + - compatible : should contain: > + * "rockchip,rk3366-usb2phy" > + * "rockchip,rk3399-usb2phy" > + - #clock-cells : should be 0. > + - clock-names : specify the 480m output clk name. > + > +Optional properties: > + - vbus_host-supply : phandle to a regulator that supplies host vbus. > + - vbus_otg-supply : phandle to a regulator that supplies otg vbus. > + > +Required nodes : a sub-node is required for each port the phy provides. > + The sub-node name is used to identify host or otg port. > + Would it make sense to also specify the sub-node names ? The driver matches "host-port", and presumably once supported "otg-port". Someone not knowing this may specify "hostport" or some other name variant and wonder why nothing works as expected. > +Required properties (port (child) node): > + - #phy-cells : must be 0. See ./phy-bindings.txt for details. > + - interrupts : specify an interrupt for each entry in interrupt-names. > + - interrupt-names : a list which shall be the following entries: > + * "otg_id" : for the otg id interrupt. > + * "otg_bvalid" : for the otg vbus interrupt. > + * "linestate" : for the host or otg linestate interrupt. > + > +Example: > + > +grf: syscon@ff770000 { > + compatible = "rockchip,rk3366-grf", "syscon", "simple-mfd"; > + #address-cells = <1>; > + #size-cells = <1>; > + > +... > + > + u2phy: usb2-phy { > + compatible = "rockchip,rk3366-usb2phy"; > + #clock-cells = <0>; > + clock-output-names = "sclk_otgphy0_480m"; > + > + u2phy_otg: otg-port { > + #phy-cells = <0>; > + interrupts = , > + , > + ; > + interrupt-names = "otg_id", "otg_bvalid", "linestate"; > + status = "okay"; > + }; > + > + u2phy_host: host-port { > + #phy-cells = <0>; > + interrupts = ; > + interrupt-names = "linestate"; > + status = "okay"; > + }; > + }; > +}; -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html