* [PATCH] ARM: dts: imx6ul: add pm_power_off support
@ 2015-08-07 14:28 Anson Huang
2015-09-06 7:31 ` Shawn Guo
0 siblings, 1 reply; 2+ messages in thread
From: Anson Huang @ 2015-08-07 14:28 UTC (permalink / raw)
To: linux-arm-kernel
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>
---
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>;
--
1.9.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH] ARM: dts: imx6ul: add pm_power_off support
2015-08-07 14:28 [PATCH] ARM: dts: imx6ul: add pm_power_off support Anson Huang
@ 2015-09-06 7:31 ` Shawn Guo
0 siblings, 0 replies; 2+ messages in thread
From: Shawn Guo @ 2015-09-06 7:31 UTC (permalink / raw)
To: linux-arm-kernel
On Fri, Aug 07, 2015 at 10:28:33PM +0800, Anson Huang wrote:
> 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>
Applied, thanks.
^ permalink raw reply [flat|nested] 2+ messages in thread
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