ARM64: dts: change FPS source for LDO0 and LDO1

Change LDO0 and LDO1 suspend FPS source to FPS1 to turn off
both LDO0, LDO1 regulators during SC7 state to reduce power
consumption.

Bug 200212058

Change-Id: Ib1435cab6930d848bf68ef33bd91420adcc8b4e4
Signed-off-by: Venkat Reddy Talla <vreddytalla@nvidia.com>
Reviewed-on: http://git-master/r/1204843
(cherry picked from commit 8dcf70f69df1978c37fdfcf9ab0b457341652530)
Reviewed-on: http://git-master/r/1210618
Tested-by: Bibek Basu <bbasu@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Rajkumar Kasirajan <rkasirajan@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>

diff --git a/arch/arm64/boot/dts/tegra210-platforms/tegra210-jetson-cv-power-tree-p2597-2180-a00.dtsi b/arch/arm64/boot/dts/tegra210-platforms/tegra210-jetson-cv-power-tree-p2597-2180-a00.dtsi
index 33ebc2a3a5d01a6f67d313896609e2fffe1d4888..d65063a7cf73db03fb096fed833bd211fea09b01 100644 (file)
--- a/arch/arm64/boot/dts/tegra210-platforms/tegra210-jetson-cv-power-tree-p2597-2180-a00.dtsi
+++ b/arch/arm64/boot/dts/tegra210-platforms/tegra210-jetson-cv-power-tree-p2597-2180-a00.dtsi
@@ -94,6 +94,7 @@
 
                                ldo0 {
                                        maxim,fps-source = <FPS_SRC_NONE>;
+                                       maxim,suspend-fps-source = <FPS_SRC_1>;
                                        maxim,fps-power-up-period = <0>;
                                        maxim,fps-power-down-period = <7>;
                                        regulator-enable-ramp-delay = <84>;
@@ -104,6 +105,7 @@
 
                                ldo1 {
                                        maxim,fps-source = <FPS_SRC_0>;
+                                       maxim,suspend-fps-source = <FPS_SRC_1>;
                                        maxim,fps-power-up-period = <0>;
                                        maxim,fps-power-down-period = <3>;
                                        regulator-enable-ramp-delay = <34>;