clk: ingenic: Add proper Kconfig entries

Previously, the CGU code corresponding to the SoC for which we're
compiling the kernel was the only one enabled, which made it impossible
to build one kernel that supports them all.

Now, it is possible to select more than one SoC to support.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/Kconfig

@@ -287,6 +287,7 @@ source "drivers/clk/actions/Kconfig"
 source "drivers/clk/bcm/Kconfig"
 source "drivers/clk/hisilicon/Kconfig"
 source "drivers/clk/imgtec/Kconfig"
+source "drivers/clk/ingenic/Kconfig"
 source "drivers/clk/keystone/Kconfig"
 source "drivers/clk/mediatek/Kconfig"
 source "drivers/clk/meson/Kconfig"

drivers/clk/Makefile

@@ -72,7 +72,7 @@ obj-$(CONFIG_H8300)			+= h8300/
 obj-$(CONFIG_ARCH_HISI)			+= hisilicon/
 obj-y					+= imgtec/
 obj-$(CONFIG_ARCH_MXC)			+= imx/
-obj-$(CONFIG_MACH_INGENIC)		+= ingenic/
+obj-y					+= ingenic/
 obj-$(CONFIG_ARCH_KEYSTONE)		+= keystone/
 obj-$(CONFIG_MACH_LOONGSON32)		+= loongson1/
 obj-y					+= mediatek/

drivers/clk/ingenic/Kconfig

@@ -0,0 +1,37 @@
+menu "Ingenic JZ47xx CGU drivers"
+	depends on MIPS
+
+config INGENIC_CGU_COMMON
+	bool
+
+config INGENIC_CGU_JZ4740
+	bool "Ingenic JZ4740 CGU driver"
+	default MACH_JZ4740
+	select INGENIC_CGU_COMMON
+	help
+	  Support the clocks provided by the CGU hardware on Ingenic JZ4740
+	  and compatible SoCs.
+
+	  If building for a JZ4740 SoC, you want to say Y here.
+
+config INGENIC_CGU_JZ4770
+	bool "Ingenic JZ4770 CGU driver"
+	default MACH_JZ4770
+	select INGENIC_CGU_COMMON
+	help
+	  Support the clocks provided by the CGU hardware on Ingenic JZ4770
+	  and compatible SoCs.
+
+	  If building for a JZ4770 SoC, you want to say Y here.
+
+config INGENIC_CGU_JZ4780
+	bool "Ingenic JZ4780 CGU driver"
+	default MACH_JZ4780
+	select INGENIC_CGU_COMMON
+	help
+	  Support the clocks provided by the CGU hardware on Ingenic JZ4780
+	  and compatible SoCs.
+
+	  If building for a JZ4780 SoC, you want to say Y here.
+
+endmenu

drivers/clk/ingenic/Makefile

@@ -1,4 +1,4 @@
-obj-y				+= cgu.o
-obj-$(CONFIG_MACH_JZ4740)	+= jz4740-cgu.o
-obj-$(CONFIG_MACH_JZ4770)	+= jz4770-cgu.o
-obj-$(CONFIG_MACH_JZ4780)	+= jz4780-cgu.o
+obj-$(CONFIG_INGENIC_CGU_COMMON)	+= cgu.o
+obj-$(CONFIG_INGENIC_CGU_JZ4740)	+= jz4740-cgu.o
+obj-$(CONFIG_INGENIC_CGU_JZ4770)	+= jz4770-cgu.o
+obj-$(CONFIG_INGENIC_CGU_JZ4780)	+= jz4780-cgu.o