From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH v3 1/5] powerpc/dts: add mcke-gpios for PM feature Date: Thu, 4 Aug 2016 12:10:30 -0500 Message-ID: <20160804171030.GA12055@rob-hp-laptop> References: <1470139124-12652-1-git-send-email-chenhui.zhao@nxp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1470139124-12652-1-git-send-email-chenhui.zhao@nxp.com> Sender: linux-kernel-owner@vger.kernel.org To: Chenhui Zhao Cc: oss@buserror.net, devicetree@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, jason.jin@nxp.com, z.chenhui@gmail.com List-Id: devicetree@vger.kernel.org On Tue, Aug 02, 2016 at 07:58:44PM +0800, Chenhui Zhao wrote: > Signed-off-by: Chenhui Zhao > --- > Documentation/devicetree/bindings/soc/fsl/rcpm.txt | 13 +++++++++++++ > arch/powerpc/boot/dts/fsl/t1040si-post.dtsi | 3 +++ > 2 files changed, 16 insertions(+) > > diff --git a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt > index e284e4e..1d44a80 100644 > --- a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt > +++ b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt > @@ -21,6 +21,10 @@ Required properites: > * "fsl,qoriq-rcpm-2.0": for chassis 2.0 rcpm > * "fsl,qoriq-rcpm-2.1": for chassis 2.1 rcpm > > +Optional properites: > + - mcke-gpios : The GPIO pin is used for keeping the MCKE signal of DDR modules > + low in the LPM35 state on some platforms, such as T1040. Needs a vendor prefix.