To prepare for the Allwinner A64 SoC support, introduce a config
option to allow compiling Allwinner (aka. sunxi) specific drivers
for the arm64 architecture as well.
This patch just defines the ARCH_SUNXI symbol to allow Allwinner
specific drivers to be selected during kernel configuration.

Signed-off-by: Andre Przywara <[email protected]>
---
 arch/arm64/Kconfig.platforms | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index 8a09522..2f7f69b 100644
--- a/arch/arm64/Kconfig.platforms
+++ b/arch/arm64/Kconfig.platforms
@@ -1,5 +1,10 @@
 menu "Platform selection"
 
+config ARCH_SUNXI
+       bool "Allwinner sunxi 64-bit SoC Family"
+       help
+         This enables support for Allwinner sunxi based SoCs like the A64.
+
 config ARCH_BCM_IPROC
        bool "Broadcom iProc SoC Family"
        help
-- 
2.6.4

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