From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yingjoe Chen Subject: Re: [SPAM][PATCH v3 4/7] dt-bindings: phy: Add document for phy-mtk-ufs Date: Wed, 13 Mar 2019 18:21:59 +0800 Message-ID: <1552472519.500.1.camel@mtksdaap41> References: <1551252192-535-1-git-send-email-stanley.chu@mediatek.com> <1551252192-535-6-git-send-email-stanley.chu@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1551252192-535-6-git-send-email-stanley.chu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+glpam-linux-mediatek=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: Stanley Chu Cc: mark.rutland-5wv7dgnIgG8@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, martin.petersen-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org, linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, subhashj-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, chun-hung.wu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, kuohong.wang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, kishon-l0cyMroinI0@public.gmane.org, avri.altman-Sjgp3cTcYWE@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, liwei213-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, alim.akhtar-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, chunfeng.yun-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, pedrom.sousa-HKixBCOQz3hWk0Htik3J/w@public.gmane.org, vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, peter.wang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org List-Id: devicetree@vger.kernel.org On Wed, 2019-02-27 at 15:23 +0800, Stanley Chu wrote: > Add UFS M-PHY node document for MediaTek SoC chips. > > Signed-off-by: Stanley Chu > --- > .../devicetree/bindings/phy/phy-mtk-ufs.txt | 35 +++++++++++++++++++ > 1 file changed, 35 insertions(+) > create mode 100644 Documentation/devicetree/bindings/phy/phy-mtk-ufs.txt > > diff --git a/Documentation/devicetree/bindings/phy/phy-mtk-ufs.txt b/Documentation/devicetree/bindings/phy/phy-mtk-ufs.txt > new file mode 100644 > index 000000000000..5fc22c7fe0bc > --- /dev/null > +++ b/Documentation/devicetree/bindings/phy/phy-mtk-ufs.txt > @@ -0,0 +1,35 @@ > +MediaTek Universal Flash Storage (UFS) M-PHY binding > +-------------------------------------------------------- > + > +UFS M-PHY nodes are defined to describe on-chip UFS M-PHY hardware macro. > +Each UFS M-PHY node should have its own node. > + > +To bind UFS M-PHY with UFS host controller, the controller node should > +contain a phandle reference to UFS M-PHY node. > + > +Required properties for UFS M-PHY nodes: > +- compatible : Compatible list, contains the following controller: > + "mediatek,ufs-mphy" > +- reg : Address and length of the UFS M-PHY register set. > +- #phy-cells : This property shall be set to 0 > +- clocks : List of phandle and clock specifier pairs. > +- clock-names : List of clock input name strings sorted in the same > + order as the clocks property. "unipro-clk" and > + "mp-clk" are mandatory. All names in clock-names are clock, don't need to add -clk again. Please describe shortly what these clock are used. Joe.C