soc: apple: Add support for the AOP co-processor.

This is the base device for a multi-function co-processor present on certain Apple SoCs. On M-series Macs it is in charge of internal microphones, and various environmental sensors. Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>
UbuntuAsahi · Dec 21, 2024 · df220a4 · df220a4
1 parent 6fba218
commit df220a4
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diff --git a/drivers/soc/apple/Kconfig b/drivers/soc/apple/Kconfig
@@ -46,6 +46,18 @@ config RUST_APPLE_RTKIT
 	depends on RUST
 	depends on APPLE_RTKIT
 
+config APPLE_AOP
+	tristate "Apple \"Always-on\" Processor"
+	depends on ARCH_APPLE || COMPILE_TEST
+	depends on RUST
+	select RUST_APPLE_RTKIT
+	default m if ARCH_APPLE
+	help
+	  A co-processor persent on certain Apple SoCs controlling accelerometers,
+	  gyros, ambient light sensors and microphones. Is not actually always on.
+
+	  Say 'y' here if you have an Apple laptop.
+
 endmenu
 
 endif
diff --git a/drivers/soc/apple/Makefile b/drivers/soc/apple/Makefile
@@ -8,3 +8,5 @@ apple-rtkit-y = rtkit.o rtkit-crashlog.o
 
 obj-$(CONFIG_APPLE_SART) += apple-sart.o
 apple-sart-y = sart.o
+
+obj-$(CONFIG_APPLE_AOP) += aop.o
Original file line number	Diff line number	Diff line change
Expand Up		@@ -8,3 +8,5 @@ apple-rtkit-y = rtkit.o rtkit-crashlog.o

		obj-$(CONFIG_APPLE_SART) += apple-sart.o
		apple-sart-y = sart.o

		obj-$(CONFIG_APPLE_AOP) += aop.o