dts: rw6xx: Update the power mode exit latency

Update the exit latency based on measurements

Signed-off-by: Mahesh Mahadevan <[email protected]>

Author: mmahadevan108

doc/releases/migration-guide-4.3.rst

@@ -64,7 +64,7 @@ Device Drivers and Devicetree
 MFD
 ===
 
-* Driver suppor for AXP2101 has been separated from the AXP192 one. As a consequence the
+* Driver support for AXP2101 has been separated from the AXP192 one. As a consequence the
   kconfig symbol ``MFD_AXP192_AXP2101`` is removed. :kconfig:option:`MFD_AXP192` is now to be
   used for AXP192 device while :kconfig:option:`MFD_AXP2101` for the AXP2101 one.
 
@@ -181,6 +181,11 @@ Power management
   longer enable them directly, instead, enable or disable the "suspend-to-ram" power states
   in the devicetree.
 
+* For the NXP RW61x, the devicetree property ``exit-latency-us`` has been updated to reflect more
+  accurate, measured wake-up times. For applications utilizing Standby mode (PM3), this update and
+  an increase to the ``min-residency-us`` devicetree property may influence how the system
+  transitions between power modes. In some cases, this could lead to changes in power consumption.
+
 Networking
 **********
 

dts/arm/nxp/nxp_rw6xx_common.dtsi

@@ -43,16 +43,16 @@
 			idle: idle {
 				compatible = "zephyr,power-state";
 				power-state-name = "runtime-idle";
-				min-residency-us = <0>;
-				exit-latency-us = <0>;
+				min-residency-us = <60>;
+				exit-latency-us = <38>;
 			};
 
 			/* Suspend mode maps to Power Mode 2 */
 			suspend: suspend {
 				compatible = "nxp,pdcfg-power", "zephyr,power-state";
 				power-state-name = "suspend-to-idle";
 				min-residency-us = <600>;
-				exit-latency-us = <0>;
+				exit-latency-us = <38>;
 				deep-sleep-config = <0x180000>,
 						    <0x0>,
 						    <0x4>,
@@ -64,9 +64,8 @@
 			standby: standby {
 				compatible = "nxp,pdcfg-power", "zephyr,power-state";
 				power-state-name = "standby";
-				/* TODO: Revisit latency numbers */
-				min-residency-us = <6000>;
-				exit-latency-us = <0>;
+				min-residency-us = <336000>;
+				exit-latency-us = <14000>;
 				deep-sleep-config = <0x180000>,
 						    <0x0>,
 						    <0x4>,