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soc: add stm32l100xb

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This patch adds support for the stm32l100 SoC. Tested on private board.

Signed-off-by: Conny Marco Menebröcker <c-m-m@gmx.de>
This commit is contained in:
Conny Marco Menebröcker 2025-04-09 22:37:32 +02:00 • committed by Benjamin Cabé
commit fa53d93107
5 changed files with 64 additions and 0 deletions
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13
dts/arm/st/l1/stm32l100.dtsi Normal file
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@ -0,0 +1,13 @@
/*
* Copyright (c) 2025 Conny Marco Menebröcker
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <st/l1/stm32l1.dtsi>
/ {
soc {
compatible = "st,stm32l100", "st,stm32l1", "simple-bus";
};
};

34
dts/arm/st/l1/stm32l100Xb.dtsi Normal file
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@ -0,0 +1,34 @@
/*
* Copyright (c) 2025 Conny Marco Menebröcker
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <mem.h>
#include <st/l1/stm32l100.dtsi>
/ {
sram0: memory@20000000 {
reg = <0x20000000 DT_SIZE_K(10)>;
};
soc {
flash-controller@40023c00 {
flash0: flash@8000000 {
reg = <0x08000000 DT_SIZE_K(128)>;
};
};
eeprom: eeprom@8080000{
reg = <0x08080000 DT_SIZE_K(2)>;
};
rtc@40002800 {
bbram: backup_regs {
compatible = "st,stm32-bbram";
st,backup-regs = <5>;
status = "disabled";
};
};
};
};

1
soc/st/stm32/soc.yml
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@ -156,6 +156,7 @@ family:
- name: stm32l081xx
- name: stm32l1x
socs:
- name: stm32l100xb
- name: stm32l151xb
- name: stm32l151xba
- name: stm32l151xc

11
soc/st/stm32/stm32l1x/Kconfig.defconfig.stm32l100xb Normal file
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@ -0,0 +1,11 @@
# STMicroelectronics STM32L100XB MCU
# Copyright (c) 2025 Conny Marco Menebröcker
# SPDX-License-Identifier: Apache-2.0
if SOC_STM32L100XB
config NUM_IRQS
default 46
endif # SOC_STM32L100XB

5
soc/st/stm32/stm32l1x/Kconfig.soc
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@ -10,6 +10,10 @@ config SOC_SERIES_STM32L1X
config SOC_SERIES
default "stm32l1x" if SOC_SERIES_STM32L1X
config SOC_STM32L100XB
bool
select SOC_SERIES_STM32L1X
config SOC_STM32L151XB
bool
select SOC_SERIES_STM32L1X
@ -31,6 +35,7 @@ config SOC_STM32L152XE
select SOC_SERIES_STM32L1X
config SOC
default "stm32l100xb" if SOC_STM32L100XB
default "stm32l151xb" if SOC_STM32L151XB
default "stm32l151xba" if SOC_STM32L151XBA
default "stm32l151xc" if SOC_STM32L151XC