[PATCH v2] ARM: dts: ls1021a: add wakeup device ftm0 node for ls1021a

[PATCH v2] ARM: dts: ls1021a: add wakeup device ftm0 node for ls1021a

[Alison Wang]

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 at 29d0000 {
+			compatible = "fsl,ftm-alarm";
+			reg = <0x0 0x29d0000 0x0 0x10000>;
+			interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
+			big-endian;
+			status = "disabled";
+		};
+
 		wdog0: watchdog at 2ad0000 {
 			compatible = "fsl,imx21-wdt";
 			reg = <0x0 0x2ad0000 0x0 0x10000>;
-- 
2.1.0.27.g96db324

[PATCH v2] ARM: dts: ls1021a: add wakeup device ftm0 node for ls1021a

[Shawn Guo]

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 at 29d0000 {

Is the '0' in the node name is an instance number?  If so, please drop
it from node name.
		ftm0: ftm at 29d0000 {

> +			compatible = "fsl,ftm-alarm";

Undocumented compatible string.

Shawn

> +			reg = <0x0 0x29d0000 0x0 0x10000>;
> +			interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
> +			big-endian;
> +			status = "disabled";
> +		};
> +
>  		wdog0: watchdog at 2ad0000 {
>  			compatible = "fsl,imx21-wdt";
>  			reg = <0x0 0x2ad0000 0x0 0x10000>;
> -- 
> 2.1.0.27.g96db324
> 
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
> 

[PATCH v2] ARM: dts: ls1021a: add wakeup device ftm0 node for ls1021a

[Wang Dongsheng]

Hi Shawn,

> -----Original Message-----
> From: Shawn Guo [mailto:shawnguo at kernel.org]
> Sent: Tuesday, July 28, 2015 9:50 AM
> To: Wang Huan-B18965
> Cc: shawn.guo at linaro.org; linux-arm-kernel at lists.infradead.org; linux-
> kernel at 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 at 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