Skip to content

Add QSPI NOR flash driver for SF32LB #96085

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 10 commits into
base: main
Choose a base branch
from
+837 −32
Open

Add QSPI NOR flash driver for SF32LB #96085

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
10 commits
Select commit Hold shift + click to select a range
8b4ca82
dts: bindings: mtd: add sifli,sf32lb-mpi-qspi-nor
gmarull Sep 16, 2025
d1202da
dts: arm: sifli: sf32lb52x: adjust mpi1/2 defaults
gmarull Sep 16, 2025
b213b99
dts: bindings: memory-controllers: drop sifli,sf32lb-mpi
gmarull Sep 16, 2025
71b651b
dts: bindings: mtd: add jedec,qspi-nor
gmarull Sep 16, 2025
09d12d1
drivers: flash: spi_nor: add SPI_NOR_CMD_BE_32K_4B
gmarull Sep 13, 2025
0981e5f
scripts: kconfig: kconfigfunctions: add dt_node_reg_addr_by_name_hex
gmarull Oct 14, 2025
1c29290
soc: sifli: sf32: sf32lb52x: configure flash base address
gmarull Oct 14, 2025
632cdbf
drivers: flash: sf32lb_mpi_qspi_nor: add initial driver
gmarull Sep 11, 2025
b51bf0c
boards: sf32lb52_devkit_lcd: adjust memory and QSPI NOR parameters
gmarull Sep 11, 2025
3bfb8ae
samples: drivers: jesd216: add support for SF32LB
gmarull Sep 13, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
18 changes: 15 additions & 3 deletions boards/sifli/sf32lb52_devkit_lcd/sf32lb52_devkit_lcd.dts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@

#include <sifli/sf32lb52x.dtsi>
#include <sifli/sf32lb52x-ram012.dtsi>
#include <zephyr/dt-bindings/dma/sf32lb52x-dma.h>
#include <zephyr/dt-bindings/gpio/gpio.h>
#include <zephyr/dt-bindings/input/input-event-codes.h>

Expand All @@ -18,6 +19,7 @@

chosen {
zephyr,flash = &py25q128ha;
zephyr,flash-controller = &mpi2;
zephyr,code-partition = &code;
zephyr,console = &usart1;
zephyr,shell-uart = &usart1;
Expand Down Expand Up @@ -84,12 +86,22 @@
status = "okay";
};

&dmac {
status = "okay";
};

&mpi2 {
compatible = "sifli,sf32lb-mpi-qspi-nor";
dmas = <&dmac 0 SF32LB52X_DMA_REQ_MPI2 SF32LB_DMA_PL_MEDIUM>;
sifli,psclr = <0>;
Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

is freq=240/1 too high? change to 4?

Copy link
Member Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

we're still using HXT48

sifli,lines = <4>;
status = "okay";

py25q128ha: memory@12000000 {
compatible = "puya,py25q128ha";
reg = <0x12000000 DT_SIZE_M(16)>;
py25q128ha: flash@0 {
compatible = "puya,py25q128ha", "jedec,qspi-nor";
reg = <0x0>;
size = <DT_SIZE_M(128)>;
quad-enable-requirements = "S2B1v1";

partitions {
compatible = "fixed-partitions";
Expand Down
1 change: 1 addition & 0 deletions drivers/flash/CMakeLists.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,7 @@ zephyr_library_sources_ifdef(CONFIG_FLASH_NPCX_FIU_QSPI flash_npcx_fiu_qspi.c)
zephyr_library_sources_ifdef(CONFIG_FLASH_RENESAS_RA_OSPI_B flash_renesas_ra_ospi_b.c)
zephyr_library_sources_ifdef(CONFIG_FLASH_RENESAS_RA_QSPI flash_renesas_ra_qspi.c)
zephyr_library_sources_ifdef(CONFIG_FLASH_RPI_PICO flash_rpi_pico.c)
zephyr_library_sources_ifdef(CONFIG_FLASH_SF32LB_MPI_QSPI_NOR flash_sf32lb_mpi_qspi_nor.c)
zephyr_library_sources_ifdef(CONFIG_FLASH_STM32_OSPI flash_stm32_ospi.c)
zephyr_library_sources_ifdef(CONFIG_FLASH_STM32_QSPI flash_stm32_qspi.c)
zephyr_library_sources_ifdef(CONFIG_FLASH_STM32_XSPI flash_stm32_xspi.c)
Expand Down
1 change: 1 addition & 0 deletions drivers/flash/Kconfig
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -203,6 +203,7 @@ source "drivers/flash/Kconfig.rts5912"
source "drivers/flash/Kconfig.rv32m1"
source "drivers/flash/Kconfig.sam"
source "drivers/flash/Kconfig.sam0"
source "drivers/flash/Kconfig.sf32lb_mpi_qspi_nor"
source "drivers/flash/Kconfig.si32"
source "drivers/flash/Kconfig.silabs"
source "drivers/flash/Kconfig.simulator"
Expand Down
15 changes: 15 additions & 0 deletions drivers/flash/Kconfig.sf32lb_mpi_qspi_nor
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,15 @@
# Copyright 2025 Core Devices LLC
# SPDX-License-Identifier: Apache-2.0

config FLASH_SF32LB_MPI_QSPI_NOR
bool "SiFli SF32LB MPI QSPI NOR driver"
default y
depends on DT_HAS_SIFLI_SF32LB_MPI_QSPI_NOR_ENABLED
select FLASH_HAS_PAGE_LAYOUT
select FLASH_HAS_DRIVER_ENABLED
select FLASH_HAS_EXPLICIT_ERASE
select FLASH_JESD216
select DMA
help
Enable the flash driver for a NOR serial flash memory device connected
to the SiFli SF32LB MPI peripheral.
Loading
Loading