Commit 124f0353 authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski
Browse files

clk: samsung: allow building the clkout driver as module 



The Exynos clock output driver can be built as module (it does not have
to be part of core init process) for better customization.  Adding a
KConfig entry allows also compile testing for build coverage.

Signed-off-by: default avatarKrzysztof Kozlowski <krzk@kernel.org>
Acked-by: default avatarChanwoo Choi <cw00.choi@samsung.com>
Acked-by: default avatarSylwester Nawrocki <s.nawrocki@samsung.com>
Link: https://lore.kernel.org/r/20201110193749.261367-1-krzk@kernel.org
parent 4d05446a

drivers/clk/samsung/Kconfig

+10 −0
Original line number Diff line number Diff line
@@ -19,6 +19,16 @@ config EXYNOS_AUDSS_CLK_CON 
	  on some Exynos SoC variants. Choose M or Y here if you want to

	  use audio devices such as I2S, PCM, etc.



config EXYNOS_CLKOUT

	tristate "Samsung Exynos clock output driver"

	depends on COMMON_CLK_SAMSUNG

	default y if ARCH_EXYNOS

	help

	  Support for the clock output (XCLKOUT) present on some of Exynos SoC

	  variants. Usually the XCLKOUT is used to monitor the status of the

	  certains clocks from SoC, but it could also be tied to other devices

	  as an input clock.



# For S3C24XX platforms, select following symbols:

config S3C2410_COMMON_CLK

	bool "Samsung S3C2410 clock controller support" if COMPILE_TEST

drivers/clk/samsung/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -15,7 +15,7 @@ obj-$(CONFIG_SOC_EXYNOS5420) += clk-exynos5420.o 
obj-$(CONFIG_SOC_EXYNOS5420)	+= clk-exynos5-subcmu.o

obj-$(CONFIG_EXYNOS_ARM64_COMMON_CLK)	+= clk-exynos5433.o

obj-$(CONFIG_EXYNOS_AUDSS_CLK_CON) += clk-exynos-audss.o

obj-$(CONFIG_ARCH_EXYNOS)	+= clk-exynos-clkout.o

obj-$(CONFIG_EXYNOS_CLKOUT)	+= clk-exynos-clkout.o

obj-$(CONFIG_EXYNOS_ARM64_COMMON_CLK)	+= clk-exynos7.o

obj-$(CONFIG_S3C2410_COMMON_CLK)+= clk-s3c2410.o

obj-$(CONFIG_S3C2410_COMMON_DCLK)+= clk-s3c2410-dclk.o

drivers/clk/samsung/clk-exynos-clkout.c

+1 −0
Original line number Diff line number Diff line
@@ -72,6 +72,7 @@ static const struct of_device_id exynos_clkout_ids[] = { 
		.data = &exynos_clkout_exynos5,

	}, { }

};

MODULE_DEVICE_TABLE(of, exynos_clkout_ids);



/*

 * Device will be instantiated as child of PMU device without its own

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