From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Chen Subject: Re: [PATCH v10 04/15] usb: doc: phy-mxs: update binding for adding anatop phandle Date: Fri, 21 Feb 2014 16:57:11 +0800 Message-ID: <20140221085710.GA13483@shlinux1.ap.freescale.net> References: <1392873284-9386-1-git-send-email-peter.chen@freescale.com> <1392873284-9386-5-git-send-email-peter.chen@freescale.com> <20140221091444.GB7541@e106331-lin.cambridge.arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Return-path: Content-Disposition: inline In-Reply-To: <20140221091444.GB7541@e106331-lin.cambridge.arm.com> Sender: linux-doc-owner@vger.kernel.org To: Mark Rutland Cc: "balbi@ti.com" , "shawn.guo@linaro.org" , "robh+dt@kernel.org" , "grant.likely@linaro.org" , Pawel Moll , "alexander.shishkin@linux.intel.com" , "linux-usb@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "festevam@gmail.com" , "marex@denx.de" , "kernel@pengutronix.de" , "m.grzeschik@pengutronix.de" , "frank.li@freescale.com" , "gregkh@linuxfoundation.org" , "devicetree@vger.kernel.org" , "linux-doc@vger.kernel.org" List-Id: devicetree@vger.kernel.org On Fri, Feb 21, 2014 at 09:14:44AM +0000, Mark Rutland wrote: > On Thu, Feb 20, 2014 at 05:14:33AM +0000, Peter Chen wrote: > > Add anatop phandle which is used to access anatop registers to > > control PHY's power and other USB operations. > > > > Signed-off-by: Peter Chen > > --- > > Documentation/devicetree/bindings/usb/mxs-phy.txt | 2 ++ > > 1 files changed, 2 insertions(+), 0 deletions(-) > > > > diff --git a/Documentation/devicetree/bindings/usb/mxs-phy.txt b/Documentation/devicetree/bindings/usb/mxs-phy.txt > > index b43d4c9e..fc6659d 100644 > > --- a/Documentation/devicetree/bindings/usb/mxs-phy.txt > > +++ b/Documentation/devicetree/bindings/usb/mxs-phy.txt > > @@ -5,10 +5,12 @@ Required properties: > > for imx6dq and imx6dl, "fsl,imx6sl-usbphy" for imx6sl > > - reg: Should contain registers location and length > > - interrupts: Should contain phy interrupt > > +- fsl,anatop: phandle for anatop register, it is only for imx6 SoC series > > This is now required? Yes, it is required. > > What happens to those existing DTBs that claim compatibility with > "fsl,imx6q-usbphy" but don't have an fsl,anatop property? > The flag stands for the SoC has anatop will be 0, no anatop operation will be done, the old-version dts can work with update driver, but less features and one or two bug exists. Peter -- Best Regards, Peter Chen