arm64: Kconfig: Introduce CONFIG_ARCH_APPLE

This adds a Kconfig option to toggle support for Apple ARM SoCs.
At this time this targets the M1 and later "Apple Silicon" Mac SoCs.

Signed-off-by: Hector Martin <marcan@marcan.st>

diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index cdfd5fe..df320a1 100644 (file)
--- a/arch/arm64/Kconfig.platforms
+++ b/arch/arm64/Kconfig.platforms
@@ -36,6 +36,13 @@ config ARCH_ALPINE
          This enables support for the Annapurna Labs Alpine
          Soc family.
 
+config ARCH_APPLE
+       bool "Apple Silicon SoC family"
+       select APPLE_AIC
+       help
+         This enables support for Apple's in-house ARM SoC family, starting
+         with the Apple M1.
+
 config ARCH_BCM2835
        bool "Broadcom BCM2835 family"
        select TIMER_OF

diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index d612f63..54fb257 100644 (file)
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -31,6 +31,7 @@ CONFIG_ARCH_ACTIONS=y
 CONFIG_ARCH_AGILEX=y
 CONFIG_ARCH_SUNXI=y
 CONFIG_ARCH_ALPINE=y
+CONFIG_ARCH_APPLE=y
 CONFIG_ARCH_BCM2835=y
 CONFIG_ARCH_BCM4908=y
 CONFIG_ARCH_BCM_IPROC=y