spi: apple: Add driver for Apple SPI controller

Signed-off-by: Hector Martin <marcan@marcan.st>
AsahiLinux · Dec 9, 2021 · 0058b3377882b80df30d9490c4653bca12423ff2 · 0058b33
1 parent 7979fbc
commit 0058b3377882b80df30d9490c4653bca12423ff2
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Showing 3 changed files with 545 additions and 0 deletions.
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
@@ -79,6 +79,14 @@ config SPI_ALTERA_DFL
 	  Altera SPI master controller.  The SPI master is connected
 	  to a SPI slave to Avalon bridge in a Intel MAX BMC.
 
+config SPI_APPLE
+	tristate "Apple SoC SPI Controller platform driver"
+	depends on ARCH_APPLE || COMPILE_TEST
+	help
+	  This enables support for the SPI controller present on
+	  many Apple SoCs, including the t8103 (M1) and t600x
+	  (M1 Pro/Max).
+
 config SPI_AR934X
 	tristate "Qualcomm Atheros AR934X/QCA95XX SPI controller driver"
 	depends on ATH79 || COMPILE_TEST

diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
@@ -17,6 +17,7 @@ obj-$(CONFIG_SPI_LOOPBACK_TEST)		+= spi-loopback-test.o
 obj-$(CONFIG_SPI_ALTERA)		+= spi-altera-platform.o
 obj-$(CONFIG_SPI_ALTERA_CORE)		+= spi-altera-core.o
 obj-$(CONFIG_SPI_ALTERA_DFL)		+= spi-altera-dfl.o
+obj-$(CONFIG_SPI_APPLE)			+= spi-apple.o
 obj-$(CONFIG_SPI_AR934X)		+= spi-ar934x.o
 obj-$(CONFIG_SPI_ARMADA_3700)		+= spi-armada-3700.o
 obj-$(CONFIG_SPI_ATMEL)			+= spi-atmel.o