[PATCH v4 6/7] imx27: dt: add support of internal rtc

Shawn Guo shawnguo at kernel.org
Thu Jul 9 07:32:57 PDT 2015


On Sat, Jul 04, 2015 at 01:15:19AM +0200, Philippe Reynes wrote:
> Add support of internal rtc on imx27.
> 
> Signed-off-by: Philippe Reynes <tremyfr at gmail.com>
> ---
>  arch/arm/boot/dts/imx27.dtsi |   10 ++++++++++
>  1 files changed, 10 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi
> index b69be5c..38e6e84 100644
> --- a/arch/arm/boot/dts/imx27.dtsi
> +++ b/arch/arm/boot/dts/imx27.dtsi
> @@ -144,6 +144,16 @@
>  				clock-names = "ipg", "per";
>  			};
>  
> +			rtc: rtc at 10007000 {
> +				compatible = "fsl,imx21-rtc";
> +				reg = <0x10007000 0x1000>;
> +				interrupts = <22>;
> +				clocks = <&clks IMX27_CLK_CKIL>,
> +					 <&clks IMX27_CLK_RTC_IPG_GATE>;
> +				clock-names = "rtc", "ipg";
> +				status = "disabled";

It has neither pin-out nor board level configuration.  For such device,
it makes more sense to drop status = "disabled" and enable the device by
default.  The bonus point would be that patch #7 in the series can be
saved.

Shawn

> +			};
> +
>  			kpp: kpp at 10008000 {
>  				compatible = "fsl,imx27-kpp", "fsl,imx21-kpp";
>  				reg = <0x10008000 0x1000>;
> -- 
> 1.7.4.4
> 
> 
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