Re: [PATCH 12/12] ARM: dts: am335x-bone-common: enable power off and rtc wake up

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Oct 09, 2014 at 09:06:34PM +0200, Johan Hovold wrote:
> Configure the RTC as system-power controller, which allows the system to
> be powered off as well as woken up again on subsequent RTC alarms.
> 
> Note that the PMIC needs to be put in SLEEP (rather than OFF) mode to
> maintain RTC power. Specifically, this means that the PMIC
> ti,pmic-shutdown-controller property must be left unset in order to be
> able to wake up on RTC alarms.
> 
> Tested on BeagleBone Black (rev A5).

one thing though. IIRC, rtc-only mode does not work with ES1.0 and
beagle-bone white uses that. Perhaps move this from bone-common to
boneblack.dts ?

other than that

Reviewed-by: Felipe Balbi <balbi@xxxxxx>

> Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
> ---
>  arch/arm/boot/dts/am335x-bone-common.dtsi | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
> index bde1777b62be..d0693bea9580 100644
> --- a/arch/arm/boot/dts/am335x-bone-common.dtsi
> +++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
> @@ -298,3 +298,7 @@
>  	cd-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
>  	cd-inverted;
>  };
> +
> +&rtc {
> +	ti,system-power-controller;
> +};
> -- 
> 2.0.4
> 

-- 
balbi

Attachment: signature.asc
Description: Digital signature


[Index of Archives]     [Linux Arm (vger)]     [ARM Kernel]     [ARM MSM]     [Linux Tegra]     [Linux WPAN Networking]     [Linux Wireless Networking]     [Maemo Users]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Trails]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux