diff --git a/drivers/watchdog/wdt_mcux_wwdt.c b/drivers/watchdog/wdt_mcux_wwdt.c
index 0181b3d406f..55faafed874 100644
--- a/drivers/watchdog/wdt_mcux_wwdt.c
+++ b/drivers/watchdog/wdt_mcux_wwdt.c
@@ -84,6 +84,8 @@ static int mcux_wwdt_install_timeout(const struct device *dev,
 
 #if defined(CONFIG_SOC_MIMXRT685S_CM33) || defined(CONFIG_SOC_MIMXRT595S_CM33)
 	clock_freq = CLOCK_GetWdtClkFreq(0);
+#elif defined(CONFIG_SOC_SERIES_RW6XX)
+	clock_freq = CLOCK_GetWdtClkFreq();
 #else
 	const struct mcux_wwdt_config *config = dev->config;