spi: sophgo: add SG2044 SPI NOR controller driver

looongbin · broonie · commit de16c322eefb · 2025-03-11T13:11:24.000Z
Add support for SG2044 SPI NOR controller in Sophgo SoC. Signed-off-by: Longbin Li <looong.bin@gmail.com> Link: https://patch.msgid.link/20250304083548.10101-3-looong.bin@gmail.com Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
@@ -1034,6 +1034,15 @@ config SPI_SN_F_OSPI
 	  for connecting an SPI Flash memory over up to 8-bit wide bus.
 	  It supports indirect access mode only.
 
+config SPI_SG2044_NOR
+	tristate "SG2044 SPI NOR Controller"
+	depends on ARCH_SOPHGO || COMPILE_TEST
+	help
+	  This enables support for the SG2044 SPI NOR controller,
+	  which supports Dual/Quad read and write operations while
+	  also supporting 3Byte address devices and 4Byte address
+	  devices.
+
 config SPI_SPRD
 	tristate "Spreadtrum SPI controller"
 	depends on ARCH_SPRD || COMPILE_TEST
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
@@ -136,6 +136,7 @@ obj-$(CONFIG_SPI_SH_SCI)		+= spi-sh-sci.o
 obj-$(CONFIG_SPI_SIFIVE)		+= spi-sifive.o
 obj-$(CONFIG_SPI_SLAVE_MT27XX)          += spi-slave-mt27xx.o
 obj-$(CONFIG_SPI_SN_F_OSPI)		+= spi-sn-f-ospi.o
+obj-$(CONFIG_SPI_SG2044_NOR)	+= spi-sg2044-nor.o
 obj-$(CONFIG_SPI_SPRD)			+= spi-sprd.o
 obj-$(CONFIG_SPI_SPRD_ADI)		+= spi-sprd-adi.o
 obj-$(CONFIG_SPI_STM32) 		+= spi-stm32.o
diff --git a/drivers/spi/spi-sg2044-nor.c b/drivers/spi/spi-sg2044-nor.c
