clk: spacemit: k3: add the clock tree

Add clock support to SpacemiT K3 SoC, the clock tree consist of several
blocks which are APBC, APBS, APMU, DCIU, MPUM.

Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Yixun Lan <[email protected]>

drivers/clk/spacemit/Kconfig

@@ -14,4 +14,10 @@ config SPACEMIT_K1_CCU
 	help
 	  Support for clock controller unit in SpacemiT K1 SoC.
 
+config SPACEMIT_K3_CCU
+	tristate "Support for SpacemiT K3 SoC"
+	select SPACEMIT_CCU
+	help
+	  Support for clock controller unit in SpacemiT K3 SoC.
+
 endmenu

drivers/clk/spacemit/Makefile

@@ -8,3 +8,6 @@ spacemit-ccu-y			+= ccu_ddn.o
 
 obj-$(CONFIG_SPACEMIT_K1_CCU)	+= spacemit-ccu-k1.o
 spacemit-ccu-k1-y		+= ccu-k1.o
+
+obj-$(CONFIG_SPACEMIT_K3_CCU)	+= spacemit-ccu-k3.o
+spacemit-ccu-k3-y		+= ccu-k3.o