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Add Bluetooth HCI driver for SiFli SF32LB chipsets. #96692

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Add Bluetooth HCI driver for SiFli SF32LB chipsets. #96692

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07e0063
dts: arm: sifli: sf32lb52x： define mailbox
Sep 29, 2025
f29719c
module: sifli: kconfig: Add Bluetooth HCI driver configuration
Sep 29, 2025
44573d1
soc: sifli: sf32: Add configuration for Bluetooth HCI driver support
Sep 29, 2025
f986411
board: sifli: sf32lb52_devkit_lcd: Add mbox in board device tree
Sep 29, 2025
da560c3
driver: bluetooth: hci: sifli: Add configuration for SF32LB HCI driver.
Sep 29, 2025
1cbab2f
module: hal_sifli: Add CMakefile script for bluetooth HCI driver.
Sep 29, 2025
a6cf5d9
module: hal_sifli: Overwrite SiFli HAL delay function with k_sleep
Sep 29, 2025
41baab8
driver: bluetooth： hci: sifli: Add HCI driver for SF32LB chipsets.
Sep 29, 2025
d552bca
west.yml: hal_sifli: Update to latest revision
Oct 4, 2025
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6 changes: 6 additions & 0 deletions boards/sifli/sf32lb52_devkit_lcd/sf32lb52_devkit_lcd.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
zephyr,code-partition = &code;
zephyr,console = &usart1;
zephyr,shell-uart = &usart1;
zephyr,bt-hci = &mailbox;
};

buttons {
Expand Down Expand Up @@ -119,3 +120,8 @@
pinctrl-0 = <&usart1_default>;
pinctrl-names = "default";
};

&mailbox {
status = "okay";
};

1 change: 1 addition & 0 deletions drivers/bluetooth/hci/CMakeLists.txt
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Expand Up @@ -51,6 +51,7 @@ zephyr_library_sources_ifdef(CONFIG_BT_DA1453X hci_da1453x.c)
zephyr_library_sources_ifdef(CONFIG_BT_DA1469X hci_da1469x.c)
zephyr_library_sources_ifdef(CONFIG_BT_NXP hci_nxp.c)
zephyr_library_sources_ifdef(CONFIG_BT_H4_NXP_CTLR hci_nxp_setup.c)
zephyr_library_sources_ifdef(CONFIG_BT_SF32LB hci_sf32lb.c)

if(CONFIG_BT_USERCHAN)
zephyr_library_sources(userchan.c)
Expand Down
9 changes: 9 additions & 0 deletions drivers/bluetooth/hci/Kconfig
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Expand Up @@ -361,6 +361,7 @@ config BT_DRV_RX_STACK_SIZE
default BT_RX_STACK_SIZE if (BT_H4 || BT_HCI_RAW_H4)
default BT_STM32_IPM_RX_STACK_SIZE if BT_STM32_IPM
default HCI_NXP_RX_STACK_SIZE if HCI_NXP_RX_THREAD
default 1024 if BT_SF32LB
default 512
help
Stack size for the HCI driver's RX thread.
Expand Down Expand Up @@ -402,3 +403,11 @@ config BT_H4_NXP_CTLR_WAIT_TIME_AFTER_BAUDRATE_UPDATE
Waiting time after controller baudrate is updated. Unit is millisecond.

endif #BT_H4_NXP_CTLR

config BT_SF32LB
bool "SiFli Bluetooth Controller"
default y
depends on DT_HAS_SIFLI_SF32LB_MAILBOX_ENABLED
select USE_SIFLI_IPC_QUEUE
help
Bluetooth HCI over ipc mailbox in SiFli SF32LB chipsets.
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