[PATCH v3 1/3] ARM: dts: imx6: add pm_power_off support for i.mx6 chips
From: Robin Gong <hidden>
Date: 2014-09-17 09:51:41
Also in:
linux-arm-kernel, linux-pm, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
All chips of i.mx6 can be powered off by programming SNVS. For example : On i.mx6q-sabresd board, PMIC_ON_REQ connect with external pmic ON/OFF pin, that will cause the whole PMIC powered off except VSNVS. And system can restart once PMIC_ON_REQ goes high by push POWRER key. Signed-off-by: Robin Gong <redacted> --- arch/arm/boot/dts/imx6qdl.dtsi | 5 +++++ arch/arm/boot/dts/imx6sl.dtsi | 5 +++++ arch/arm/boot/dts/imx6sx.dtsi | 5 +++++ 3 files changed, 15 insertions(+)
diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index c701af9..fffa1c6 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi@@ -645,6 +645,11 @@ interrupts = <0 19 IRQ_TYPE_LEVEL_HIGH>, <0 20 IRQ_TYPE_LEVEL_HIGH>; }; + + snvs-poweroff@38 { + compatible = "fsl,sec-v4.0-poweroff"; + reg = <0x38 0x4>; + }; }; epit1: epit@020d0000 { /* EPIT1 */
diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi
index 505da9e..3256318 100644
--- a/arch/arm/boot/dts/imx6sl.dtsi
+++ b/arch/arm/boot/dts/imx6sl.dtsi@@ -565,6 +565,11 @@ interrupts = <0 19 IRQ_TYPE_LEVEL_HIGH>, <0 20 IRQ_TYPE_LEVEL_HIGH>; }; + + snvs-poweroff@38 { + compatible = "fsl,sec-v4.0-poweroff"; + reg = <0x38 0x4>; + }; }; epit1: epit@020d0000 {
diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi
index f4b9da6..74a0131 100644
--- a/arch/arm/boot/dts/imx6sx.dtsi
+++ b/arch/arm/boot/dts/imx6sx.dtsi@@ -668,6 +668,11 @@ reg = <0x34 0x58>; interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>; }; + + snvs-poweroff@38 { + compatible = "fsl,sec-v4.0-poweroff"; + reg = <0x38 0x4>; + }; }; epit1: epit@020d0000 {
--
1.7.9.5