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commit 09a6bba49ff1d905165676416200cfc111d93c63
Author: raiden00pl <[email protected]>
AuthorDate: Tue Nov 3 09:57:28 2026 +0100

    boards/nucleo-h723zg: Define the LPTIM kernel clocks.
    
    LPTIM1 runs on PCLK1 and LPTIM2-5 on PCLK4, the reset values of the
    RCC_D2CCIP2R and RCC_D3CCIPR LPTIM source selections.
    
    Assisted-by: Claude Code:claude-opus-5-5
    Signed-off-by: raiden00pl <[email protected]>
---
 boards/arm/stm32h7/nucleo-h723zg/include/board.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/boards/arm/stm32h7/nucleo-h723zg/include/board.h 
b/boards/arm/stm32h7/nucleo-h723zg/include/board.h
index dfaca40239b..623d7131c4f 100644
--- a/boards/arm/stm32h7/nucleo-h723zg/include/board.h
+++ b/boards/arm/stm32h7/nucleo-h723zg/include/board.h
@@ -211,6 +211,16 @@
 #define STM32_TIM16_CLKIN  (2*STM32_PCLK2_FREQUENCY)
 #define STM32_TIM17_CLKIN  (2*STM32_PCLK2_FREQUENCY)
 
+/* LPTIM kernel clocks (RCC_D2CCIP2R LPTIM1SEL and RCC_D3CCIPR LPTIM2SEL /
+ * LPTIM345SEL reset values): LPTIM1 on PCLK1, LPTIM2-5 on PCLK4
+ */
+
+#define STM32_LPTIM1_CLKIN STM32_PCLK1_FREQUENCY
+#define STM32_LPTIM2_CLKIN STM32_PCLK4_FREQUENCY
+#define STM32_LPTIM3_CLKIN STM32_PCLK4_FREQUENCY
+#define STM32_LPTIM4_CLKIN STM32_PCLK4_FREQUENCY
+#define STM32_LPTIM5_CLKIN STM32_PCLK4_FREQUENCY
+
 /* Kernel Clock Configuration
  *
  * Note: look at Table 54 in ST Manual

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