From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johan Hovold Subject: [PATCH v2 20/20] ARM: dts: am335x-boneblack: enable power off and rtc wake up Date: Tue, 21 Oct 2014 19:38:06 +0200 Message-ID: <1413913086-12730-21-git-send-email-johan@kernel.org> References: <1412881594-25678-1-git-send-email-johan@kernel.org> <1413913086-12730-1-git-send-email-johan@kernel.org> Return-path: In-Reply-To: <1413913086-12730-1-git-send-email-johan@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Alessandro Zummo , Tony Lindgren , =?UTF-8?q?Beno=C3=AEt=20Cousson?= , Felipe Balbi Cc: Andrew Morton , Lokesh Vutla , Guenter Roeck , nsekhar@ti.com, t-kristo@ti.com, j-keerthy@ti.com, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, rtc-linux@googlegroups.com, linux-kernel@vger.kernel.org, Johan Hovold List-Id: devicetree@vger.kernel.org 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). Reviewed-by: Felipe Balbi Signed-off-by: Johan Hovold --- arch/arm/boot/dts/am335x-boneblack.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/boot/dts/am335x-boneblack.dts b/arch/arm/boot/dts/am335x-boneblack.dts index 305975d3f531..0c8cdc9520b7 100644 --- a/arch/arm/boot/dts/am335x-boneblack.dts +++ b/arch/arm/boot/dts/am335x-boneblack.dts @@ -75,3 +75,7 @@ status = "okay"; }; }; + +&rtc { + ti,system-power-controller; +}; -- 2.0.4