[PATCH v2] spi: designware: Allow disabling designware driver in SPL

[Ralph Siemsen]

To reduce SPL size, make it possible to exclude designware driver,
while keeping it enabled in the main u-boot.

Signed-off-by: Ralph Siemsen <ralph.siemsen at linaro.org>
---
Changes in v2:
- defaut y if DESIGNWARE_SPI  (Tom)
- move out of the SPI/DM_SPI and add depends SPL_DM_SPI (Sean)
- Link to v1: https://lore.kernel.org/r/20251208-spi-designware-spl-v1-1-21e6f519a4de@linaro.org
---
 drivers/spi/Kconfig  | 8 ++++++++
 drivers/spi/Makefile | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 2afb15fff1e..e31db9d4e31 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -677,6 +677,14 @@ config SH_QSPI
 	  Enable the Renesas Quad SPI controller driver. This driver can be
 	  used on Renesas SoCs.
 
+config SPL_DESIGNWARE_SPI
+	bool "Designware SPI driver in SPL"
+	depends on SPL_DM_SPI
+	default y if DESIGNWARE_SPI
+	help
+	  Enable the Designware SPI driver during SPL.
+	  See the help of DESIGNWARE_SPI for details.
+
 config MXC_SPI
 	bool "MXC SPI Driver"
 	depends on MACH_IMX
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index d5d1e543588..0dc2d23e172 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -35,7 +35,7 @@ obj-$(CONFIG_CF_SPI) += cf_spi.o
 obj-$(CONFIG_CORTINA_SFLASH) += ca_sflash.o
 obj-$(CONFIG_CV1800B_SPIF) += cv1800b_spif.o
 obj-$(CONFIG_DAVINCI_SPI) += davinci_spi.o
-obj-$(CONFIG_DESIGNWARE_SPI) += designware_spi.o
+obj-$(CONFIG_$(PHASE_)DESIGNWARE_SPI) += designware_spi.o
 obj-$(CONFIG_EXYNOS_SPI) += exynos_spi.o
 obj-$(CONFIG_FSL_DSPI) += fsl_dspi.o
 obj-$(CONFIG_FSL_ESPI) += fsl_espi.o

---
base-commit: 0e0a198a68be71148f5ec27ef86796174f91436f
change-id: 20251208-spi-designware-spl-d85d6a26e5e9

Best regards,
--  
Ralph Siemsen <ralph.siemsen at linaro.org>