BACKPORT: clk: mediatek: Split configuration options for MT8186 clock drivers

When building clock drivers for MT8186, some may want to build in only
some of them to, for example, get CPUFreq up faster, and some may want
to leave out some clock drivers entirely as a machine may not need the
Warp Engine or the camera ISP (hence, their clock drivers).

Split the various clock drivers in their own configuration options,
keeping MT8186 configuration options consistent with other MediaTek
SoCs.

While at it, also allow building the remaining clock drivers as modules
by switching COMMON_CLK_MT8186 to tristate.

Bug: 335112842
(cherry picked from commit 5baf38e06a570a2a4ed471a996aff6d6ba69cceb
 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/ master)
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20230306140543.1813621-47-angelogioacchino.delregno@collabora.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Change-Id: Id9dad0e1d56fcae3bb9302b7db63be31afc91d5d

drivers/clk/mediatek/Kconfig

@@ -550,13 +550,90 @@ config COMMON_CLK_MT8183_VENCSYS
 	  This driver supports MediaTek MT8183 vencsys clocks.
 
 config COMMON_CLK_MT8186
-	bool "Clock driver for MediaTek MT8186"
+	tristate "Clock driver for MediaTek MT8186"
 	depends on ARM64 || COMPILE_TEST
 	select COMMON_CLK_MEDIATEK
 	default ARCH_MEDIATEK
 	help
 	  This driver supports MediaTek MT8186 clocks.
 
+config COMMON_CLK_MT8186_CAMSYS
+	tristate "Clock driver for MediaTek MT8186 camsys"
+	depends on COMMON_CLK_MT8186
+	default COMMON_CLK_MT8186
+	help
+	  This driver supports MediaTek MT8186 camsys and camsys_raw clocks.
+
+config COMMON_CLK_MT8186_IMGSYS
+	tristate "Clock driver for MediaTek MT8186 imgsys"
+	depends on COMMON_CLK_MT8186
+	default COMMON_CLK_MT8186
+	help
+	  This driver supports MediaTek MT8186 imgsys and imgsys2 clocks.
+
+config COMMON_CLK_MT8186_IPESYS
+	tristate "Clock driver for MediaTek MT8186 ipesys"
+	depends on COMMON_CLK_MT8186_IMGSYS
+	default COMMON_CLK_MT8186_IMGSYS
+	help
+	  This driver supports MediaTek MT8186 ipesys clocks.
+
+config COMMON_CLK_MT8186_WPESYS
+	tristate "Clock driver for MediaTek MT8186 wpesys"
+	depends on COMMON_CLK_MT8186_IMGSYS
+	default COMMON_CLK_MT8186_IMGSYS
+	help
+	  This driver supports MediaTek MT8186 Warp Engine clocks.
+
+config COMMON_CLK_MT8186_IMP_IIC_WRAP
+	tristate "Clock driver for MediaTek MT8186 imp_iic_wrap"
+	depends on COMMON_CLK_MT8186
+	default COMMON_CLK_MT8186
+	help
+	  This driver supports MediaTek MT8186 imp_iic_wrap clocks.
+
+config COMMON_CLK_MT8186_MCUSYS
+	tristate "Clock driver for MediaTek MT8186 mcusys"
+	depends on COMMON_CLK_MT8186
+	default COMMON_CLK_MT8186
+	help
+	  This driver supports MediaTek MT8186 mcusys clocks.
+
+config COMMON_CLK_MT8186_MDPSYS
+	tristate "Clock driver for MediaTek MT8186 mdpsys"
+	depends on COMMON_CLK_MT8186
+	default COMMON_CLK_MT8186
+	help
+	  This driver supports MediaTek MT8186 mdpsys clocks.
+
+config COMMON_CLK_MT8186_MFGCFG
+	tristate "Clock driver for MediaTek MT8186 mfgcfg"
+	depends on COMMON_CLK_MT8186
+	default COMMON_CLK_MT8186
+	help
+	  This driver supports MediaTek MT8186 mfgcfg clocks.
+
+config COMMON_CLK_MT8186_MMSYS
+	tristate "Clock driver for MediaTek MT8186 mmsys"
+	depends on COMMON_CLK_MT8186
+	default COMMON_CLK_MT8186
+	help
+	  This driver supports MediaTek MT8186 mmsys clocks.
+
+config COMMON_CLK_MT8186_VDECSYS
+	tristate "Clock driver for MediaTek MT8186 vdecsys"
+	depends on COMMON_CLK_MT8186
+	default COMMON_CLK_MT8186
+	help
+	  This driver supports MediaTek MT8186 vdecsys and vdecsys_soc clocks.
+
+config COMMON_CLK_MT8186_VENCSYS
+	tristate "Clock driver for MediaTek MT8186 vencsys"
+	depends on COMMON_CLK_MT8186
+	default COMMON_CLK_MT8186
+	help
+	  This driver supports MediaTek MT8186 vencsys clocks.
+
 config COMMON_CLK_MT8192
 	bool "Clock driver for MediaTek MT8192"
 	depends on ARM64 || COMPILE_TEST

drivers/clk/mediatek/Makefile

@@ -77,11 +77,19 @@ obj-$(CONFIG_COMMON_CLK_MT8183_MFGCFG) += clk-mt8183-mfgcfg.o
 obj-$(CONFIG_COMMON_CLK_MT8183_MMSYS) += clk-mt8183-mm.o
 obj-$(CONFIG_COMMON_CLK_MT8183_VDECSYS) += clk-mt8183-vdec.o
 obj-$(CONFIG_COMMON_CLK_MT8183_VENCSYS) += clk-mt8183-venc.o
-obj-$(CONFIG_COMMON_CLK_MT8186) += clk-mt8186-mcu.o clk-mt8186-topckgen.o clk-mt8186-infra_ao.o \
-				   clk-mt8186-apmixedsys.o clk-mt8186-imp_iic_wrap.o \
-				   clk-mt8186-mfg.o clk-mt8186-mm.o clk-mt8186-wpe.o \
-				   clk-mt8186-img.o clk-mt8186-vdec.o clk-mt8186-venc.o \
-				   clk-mt8186-cam.o clk-mt8186-mdp.o clk-mt8186-ipe.o
+obj-$(CONFIG_COMMON_CLK_MT8186) += clk-mt8186-apmixedsys.o clk-mt8186-topckgen.o \
+				   clk-mt8186-infra_ao.o
+obj-$(CONFIG_COMMON_CLK_MT8186_CAMSYS) += clk-mt8186-cam.o
+obj-$(CONFIG_COMMON_CLK_MT8186_IMGSYS) += clk-mt8186-img.o
+obj-$(CONFIG_COMMON_CLK_MT8186_IMP_IIC_WRAP) += clk-mt8186-imp_iic_wrap.o
+obj-$(CONFIG_COMMON_CLK_MT8186_IPESYS) += clk-mt8186-ipe.o
+obj-$(CONFIG_COMMON_CLK_MT8186_MCUSYS) += clk-mt8186-mcu.o
+obj-$(CONFIG_COMMON_CLK_MT8186_MDPSYS) += clk-mt8186-mdp.o
+obj-$(CONFIG_COMMON_CLK_MT8186_MFGCFG) += clk-mt8186-mfg.o
+obj-$(CONFIG_COMMON_CLK_MT8186_MMSYS) += clk-mt8186-mm.o
+obj-$(CONFIG_COMMON_CLK_MT8186_VDECSYS) += clk-mt8186-vdec.o
+obj-$(CONFIG_COMMON_CLK_MT8186_VENCSYS) += clk-mt8186-venc.o
+obj-$(CONFIG_COMMON_CLK_MT8186_WPESYS) += clk-mt8186-wpe.o
 obj-$(CONFIG_COMMON_CLK_MT8192) += clk-mt8192.o
 obj-$(CONFIG_COMMON_CLK_MT8192_AUDSYS) += clk-mt8192-aud.o
 obj-$(CONFIG_COMMON_CLK_MT8192_CAMSYS) += clk-mt8192-cam.o