From: Anson Huang <b20788@freescale.com>
Date: Sun, 6 Sep 2015 07:29:34 +0000 (+0800)
Subject: ARM: dts: imx6ul: add pm_power_off support
X-Git-Tag: KARO-TX6UL-2015-11-03~145^2~1^2~36
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ab0a05d818d5a6e322e6ccd11a33845b477f9ab7;p=karo-tx-linux.git

ARM: dts: imx6ul: add pm_power_off support

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 <b20788@freescale.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---

diff --git a/arch/arm/boot/dts/imx6ul-14x14-evk.dts b/arch/arm/boot/dts/imx6ul-14x14-evk.dts
index 25746b122ea6..2fe5b1f71705 100644
--- a/arch/arm/boot/dts/imx6ul-14x14-evk.dts
+++ b/arch/arm/boot/dts/imx6ul-14x14-evk.dts
@@ -87,6 +87,10 @@
 	};
 };
 
+&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 c2eb3d4b976e..96b00c6b1a80 100644
--- a/arch/arm/boot/dts/imx6ul.dtsi
+++ b/arch/arm/boot/dts/imx6ul.dtsi
@@ -429,6 +429,14 @@
 						     <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>;
 				};
 
+				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>;