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 25746b1..2fe5b1f 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 c2eb3d4..96b00c6 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>;