commit 852a6bb8cedbb4cdc6930eab2a4bcd3af7321813
author Benedikt Schmidt <benedikt.schmidt@embedded-solutions.at> Wed Jan 19 14:05:20 2022 +0100
committer Anas Nashif <anas.nashif@intel.com> Wed Jan 19 14:15:29 2022 -0500
tree 66680ae2e4f15b1311f92925fe005926b0a84d76
parent f6a55994bd1323fb8c2a4079eeee0efd72599190

boards: arm: stm32: use LSE as source for LPTIM

Automatically select LSE as source for LPTIM
on the nucleo_h723zg board.

Signed-off-by: Benedikt Schmidt <benedikt.schmidt@embedded-solutions.at>

boards/arm/nucleo_h723zg/Kconfig.defconfig

diff --git a/boards/arm/nucleo_h723zg/Kconfig.defconfig b/boards/arm/nucleo_h723zg/Kconfig.defconfig
index 7b5c327..95497c2 100644
--- a/boards/arm/nucleo_h723zg/Kconfig.defconfig
+++ b/boards/arm/nucleo_h723zg/Kconfig.defconfig
@@ -15,4 +15,9 @@
 
 endif # NETWORKING
 
+choice STM32_LPTIM_CLOCK
+	default STM32_LPTIM_CLOCK_LSE
+	depends on STM32_LPTIM_TIMER
+endchoice
+
 endif # BOARD_NUCLEO_H723ZG

boards/arm/nucleo_h723zg/nucleo_h723zg.dts

diff --git a/boards/arm/nucleo_h723zg/nucleo_h723zg.dts b/boards/arm/nucleo_h723zg/nucleo_h723zg.dts
index c9d8f0f..d66231e 100644
--- a/boards/arm/nucleo_h723zg/nucleo_h723zg.dts
+++ b/boards/arm/nucleo_h723zg/nucleo_h723zg.dts
@@ -68,6 +68,10 @@
 	status = "okay";
 };
 
+&clk_lse {
+	status = "okay";
+};
+
 &pll {
 	div-m = <4>;
 	mul-n = <275>;