[PATCH] ARM: dts: imx6ul: add pm_power_off support
From: Anson Huang <hidden>
Date: 2015-08-07 14:28:33
Also in:
linux-devicetree
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 <redacted> --- 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 = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>, <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>;
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1.9.1