Messages in this thread | | | From | Wang Dongsheng <> | Subject | RE: [PATCH v2] ARM: dts: ls1021a: add wakeup device ftm0 node for ls1021a | Date | Tue, 28 Jul 2015 02:01:33 +0000 |
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Hi Shawn,
> -----Original Message----- > From: Shawn Guo [mailto:shawnguo@kernel.org] > Sent: Tuesday, July 28, 2015 9:50 AM > To: Wang Huan-B18965 > Cc: shawn.guo@linaro.org; linux-arm-kernel@lists.infradead.org; linux- > kernel@vger.kernel.org; Wang Dongsheng-B40534; Wang Huan-B18965 > Subject: Re: [PATCH v2] ARM: dts: ls1021a: add wakeup device ftm0 node for > ls1021a > > On Wed, Jul 15, 2015 at 03:40:11PM +0800, Alison Wang wrote: > > Add ftm0 node, cause of ftm0 can be set as a alarm before system going > > to deep sleep. > > > > Signed-off-by: Wang Dongsheng <dongsheng.wang@freescale.com> > > Signed-off-by: Alison Wang <alison.wang@freescale.com> > > --- > > Changes since v1: > > - Add my SoB. > > - Use "ARM:" as subject prefix. > > > > arch/arm/boot/dts/ls1021a-qds.dts | 4 ++++ > > arch/arm/boot/dts/ls1021a.dtsi | 8 ++++++++ > > 2 files changed, 12 insertions(+) > > > > diff --git a/arch/arm/boot/dts/ls1021a-qds.dts > > b/arch/arm/boot/dts/ls1021a-qds.dts > > index 9c5e16b..f14731b 100644 > > --- a/arch/arm/boot/dts/ls1021a-qds.dts > > +++ b/arch/arm/boot/dts/ls1021a-qds.dts > > @@ -75,6 +75,10 @@ > > }; > > }; > > > > +&ftm0 { > > + status = "okay"; > > +}; > > + > > &i2c0 { > > status = "okay"; > > > > diff --git a/arch/arm/boot/dts/ls1021a.dtsi > > b/arch/arm/boot/dts/ls1021a.dtsi index c70bb27..7e9e122 100644 > > --- a/arch/arm/boot/dts/ls1021a.dtsi > > +++ b/arch/arm/boot/dts/ls1021a.dtsi > > @@ -332,6 +332,14 @@ > > status = "disabled"; > > }; > > > > + ftm0: ftm0@29d0000 { > > Is the '0' in the node name is an instance number? If so, please drop it from > node name.
"0" is a special number for FTM, because there is only ftm0 can be maked as a alarm timer.
Regards, -Dongsheng
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