soc: nuvoton: npcx: update default SYS_CLOCK_HW_CYCLES_PER_SEC

alvsun · kartben · commit d789d13ec080 · 2025-06-16T14:13:55.000+02:00
Added support for deriving `SYS_CLOCK_HW_CYCLES_PER_SEC` from the
Device Tree by reading the `clock-frequency` property in the `itim` node.

Signed-off-by: Alvis Sun &lt;yfsun@nuvoton.com&gt;
diff --git a/boards/nuvoton/npcx4m8f_evb/npcx4m8f_evb_defconfig b/boards/nuvoton/npcx4m8f_evb/npcx4m8f_evb_defconfig
@@ -16,9 +16,6 @@ CONFIG_ARM_MPU=y
 # Clock configuration
 CONFIG_CLOCK_CONTROL=y
 
-# General Kernel Options
-CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=15000000
-
 # UART Driver
 CONFIG_SERIAL=y
 CONFIG_UART_INTERRUPT_DRIVEN=y
diff --git a/boards/nuvoton/npcx7m6fb_evb/npcx7m6fb_evb_defconfig b/boards/nuvoton/npcx7m6fb_evb/npcx7m6fb_evb_defconfig
@@ -13,9 +13,6 @@ CONFIG_NPCX_HEADER_SPI_READ_MODE_DUAL=y
 # Enable MPU
 CONFIG_ARM_MPU=y
 
-# General Kernel Options
-CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=15000000
-
 # Clock configuration
 CONFIG_CLOCK_CONTROL=y
 
diff --git a/boards/nuvoton/npcx9m6f_evb/npcx9m6f_evb_defconfig b/boards/nuvoton/npcx9m6f_evb/npcx9m6f_evb_defconfig
@@ -16,9 +16,6 @@ CONFIG_ARM_MPU=y
 # Clock configuration
 CONFIG_CLOCK_CONTROL=y
 
-# General Kernel Options
-CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=15000000
-
 # UART Driver
 CONFIG_SERIAL=y
 CONFIG_UART_INTERRUPT_DRIVEN=y
diff --git a/soc/nuvoton/npcx/npck3/Kconfig.defconfig b/soc/nuvoton/npcx/npck3/Kconfig.defconfig
@@ -15,4 +15,7 @@ config ESPI_TAF_NPCX
 	default y
 	depends on ESPI_TAF
 
+config SYS_CLOCK_HW_CYCLES_PER_SEC
+	default $(dt_nodelabel_int_prop,itims,clock-frequency)
+
 endif # SOC_SERIES_NPCK3
diff --git a/soc/nuvoton/npcx/npcx4/Kconfig.defconfig b/soc/nuvoton/npcx/npcx4/Kconfig.defconfig
@@ -15,4 +15,7 @@ config ESPI_TAF_NPCX
 	default y
 	depends on ESPI_TAF
 
+config SYS_CLOCK_HW_CYCLES_PER_SEC
+	default $(dt_nodelabel_int_prop,itims,clock-frequency)
+
 endif # SOC_SERIES_NPCX4
diff --git a/soc/nuvoton/npcx/npcx7/Kconfig.defconfig b/soc/nuvoton/npcx/npcx7/Kconfig.defconfig
@@ -11,4 +11,7 @@ config NUM_IRQS
 config CORTEX_M_SYSTICK
 	default !NPCX_ITIM_TIMER
 
+config SYS_CLOCK_HW_CYCLES_PER_SEC
+	default $(dt_nodelabel_int_prop,itims,clock-frequency)
+
 endif # SOC_SERIES_NPCX7
diff --git a/soc/nuvoton/npcx/npcx9/Kconfig.defconfig b/soc/nuvoton/npcx/npcx9/Kconfig.defconfig
@@ -11,4 +11,7 @@ config NUM_IRQS
 config CORTEX_M_SYSTICK
 	default !NPCX_ITIM_TIMER
 
+config SYS_CLOCK_HW_CYCLES_PER_SEC
+	default $(dt_nodelabel_int_prop,itims,clock-frequency)
+
 endif # SOC_SERIES_NPCX9
