From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anson Huang Subject: [PATCH] ARM: dts: imx6ul: add pm_power_off support Date: Fri, 7 Aug 2015 22:28:33 +0800 Message-ID: <1438957713-27661-1-git-send-email-b20788@freescale.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: shawnguo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org List-Id: devicetree@vger.kernel.org i.MX6UL can be powered off by programming SNVS. When long press ON/OFF button(5 seconds), PMIC_ON_REQ pin will be set to low and external PMIC will be powered off. And system can be powered on by long press ON/OFF button again. Signed-off-by: Anson Huang --- arch/arm/boot/dts/imx6ul-14x14-evk.dts | 4 ++++ arch/arm/boot/dts/imx6ul.dtsi | 8 ++++++++ 2 files changed, 12 insertions(+) diff --git a/arch/arm/boot/dts/imx6ul-14x14-evk.dts b/arch/arm/boot/dts/imx6ul-14x14-evk.dts index ee2243b..c27f3c4 100644 --- a/arch/arm/boot/dts/imx6ul-14x14-evk.dts +++ b/arch/arm/boot/dts/imx6ul-14x14-evk.dts @@ -58,6 +58,10 @@ }; }; +&snvs_poweroff { + status = "okay"; +}; + &uart1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart1>; diff --git a/arch/arm/boot/dts/imx6ul.dtsi b/arch/arm/boot/dts/imx6ul.dtsi index 514ae43..446913e 100644 --- a/arch/arm/boot/dts/imx6ul.dtsi +++ b/arch/arm/boot/dts/imx6ul.dtsi @@ -404,6 +404,14 @@ interrupts = , ; }; + snvs_poweroff: snvs-poweroff { + compatible = "syscon-poweroff"; + regmap = <&snvs>; + offset = <0x38>; + mask = <0x60>; + status = "disabled"; + }; + snvs_pwrkey: snvs-powerkey { compatible = "fsl,sec-v4.0-pwrkey"; regmap = <&snvs>; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html