From 15d8fd2ad347ef4d6b8a27629c47b9aafc808355 Mon Sep 17 00:00:00 2001
From: Mahesh Mahadevan <mahesh.mahadevan@nxp.com>
Date: Sun, 23 Jun 2024 03:51:03 +0100
Subject: [PATCH] soc: nxp_rw6xx: Update SYS_CLOCK_TICKS_PER_SEC for PM mode 3

Since the clock source when running in PM mode 3 is the
slower 1KHx clock, we adjust the SYS_CLOCK_TICKS_PER_SEC
value to get better accuracy.

Signed-off-by: Mahesh Mahadevan <mahesh.mahadevan@nxp.com>
---
 soc/nxp/rw/Kconfig.defconfig | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/soc/nxp/rw/Kconfig.defconfig b/soc/nxp/rw/Kconfig.defconfig
index 581dc43582f..3c4677b784c 100644
--- a/soc/nxp/rw/Kconfig.defconfig
+++ b/soc/nxp/rw/Kconfig.defconfig
@@ -57,4 +57,12 @@ if WIFI
 orsource "Kconfig.defconfig.wifi"
 endif # WIFI
 
+if PM
+# For PM mode 3 we change this config to get better accuracy
+# when using the iKHz RTC clock as system clock.
+config SYS_CLOCK_TICKS_PER_SEC
+	default 1000
+	depends on $(dt_nodelabel_enabled,standby)
+endif
+
 endif # SOC_SERIES_RW6XX