ARM: sunxi: Introduce Allwinner A23 support

The Allwinner A23 is a dual-core Cortex-A7-based SoC. It re-uses most of
the IPs found in previous SoCs, notably the A31.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

2 files changed, 14 insertions, 0 deletions

diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
index 0fbd4f156bfa..f776c5f1bb89 100644
--- a/arch/arm/mach-sunxi/Kconfig
+++ b/arch/arm/mach-sunxi/Kconfig
@@ -35,4 +35,9 @@ config MACH_SUN7I
         select HAVE_ARM_ARCH_TIMER
         select SUN5I_HSTIMER
 
+config MACH_SUN8I
+        bool "Allwinner A23 (sun8i) SoCs support"
+        default ARCH_SUNXI
+        select ARM_GIC
+
 endif
diff --git a/arch/arm/mach-sunxi/sunxi.c b/arch/arm/mach-sunxi/sunxi.c
index 3f9587bb51f6..4d09469320c8 100644
--- a/arch/arm/mach-sunxi/sunxi.c
+++ b/arch/arm/mach-sunxi/sunxi.c
@@ -53,3 +53,12 @@ static const char * const sun7i_board_dt_compat[] = {
 DT_MACHINE_START(SUN7I_DT, "Allwinner sun7i (A20) Family")
         .dt_compat      = sun7i_board_dt_compat,
 MACHINE_END
+
+static const char * const sun8i_board_dt_compat[] = {
+        "allwinner,sun8i-a23",
+        NULL,
+};
+
+DT_MACHINE_START(SUN8I_DT, "Allwinner sun8i (A23) Family")
+        .dt_compat      = sun8i_board_dt_compat,
+MACHINE_END