From: Mike Erdahl <m-erdahl@xxxxxx>
When going to suspend to ram mode (or rtc-only mode), the DDR regulator
must be told to stay on, else this rail will go down when the PMIC_EN
signal is deasserted.
Signed-off-by: Mike Erdahl <m-erdahl@xxxxxx>
Signed-off-by: Andrew F. Davis <afd@xxxxxx>
---
arch/arm/boot/dts/am43x-epos-evm.dts | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts
index 7db5cf3facde..606b848d809f 100644
--- a/arch/arm/boot/dts/am43x-epos-evm.dts
+++ b/arch/arm/boot/dts/am43x-epos-evm.dts
@@ -620,6 +620,12 @@
regulator-name = "vdcdc3";
regulator-boot-on;
regulator-always-on;
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ };
+ regulator-state-disk {
+ regulator-off-in-suspend;
+ };
};
dcdc4: regulator-dcdc4 {
--
2.21.0
