cpufreq: s3c24xx: move cpufreq driver to drivers/cpufreq
This patch moves cpufreq driver of Samsung's ARM based s3c24xx platform to drivers/cpufreq. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Viresh Kumar
Kukjin Kim
parent
f722406faa
commit
f023f8dd59
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@ -2053,53 +2053,6 @@ menu "CPU Power Management"
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if ARCH_HAS_CPUFREQ
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source "drivers/cpufreq/Kconfig"
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config CPU_FREQ_S3C
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bool
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help
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Internal configuration node for common cpufreq on Samsung SoC
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config CPU_FREQ_S3C24XX
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bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
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depends on ARCH_S3C24XX && CPU_FREQ
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select CPU_FREQ_S3C
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help
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This enables the CPUfreq driver for the Samsung S3C24XX family
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of CPUs.
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For details, take a look at <file:Documentation/cpu-freq>.
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If in doubt, say N.
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config CPU_FREQ_S3C24XX_PLL
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bool "Support CPUfreq changing of PLL frequency (EXPERIMENTAL)"
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depends on CPU_FREQ_S3C24XX
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help
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Compile in support for changing the PLL frequency from the
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S3C24XX series CPUfreq driver. The PLL takes time to settle
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after a frequency change, so by default it is not enabled.
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This also means that the PLL tables for the selected CPU(s) will
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be built which may increase the size of the kernel image.
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config CPU_FREQ_S3C24XX_DEBUG
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bool "Debug CPUfreq Samsung driver core"
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depends on CPU_FREQ_S3C24XX
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help
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Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
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config CPU_FREQ_S3C24XX_IODEBUG
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bool "Debug CPUfreq Samsung driver IO timing"
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depends on CPU_FREQ_S3C24XX
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help
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Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
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config CPU_FREQ_S3C24XX_DEBUGFS
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bool "Export debugfs for CPUFreq"
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depends on CPU_FREQ_S3C24XX && DEBUG_FS
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help
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Export status information via debugfs.
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endif
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source "drivers/cpuidle/Kconfig"
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@ -28,7 +28,7 @@ config CPU_S3C2410
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select CPU_ARM920T
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select CPU_LLSERIAL_S3C2410
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select S3C2410_CLOCK
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select S3C2410_CPUFREQ if CPU_FREQ_S3C24XX
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select ARM_S3C2410_CPUFREQ if ARM_S3C24XX_CPUFREQ
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select S3C2410_PM if PM
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select SAMSUNG_HRT
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help
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@ -204,27 +204,38 @@ config S3C24XX_GPIO_EXTRA128
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Add an extra 128 gpio numbers to the available GPIO pool. This is
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available for boards that need extra gpios for external devices.
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config S3C24XX_PLL
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bool "Support CPUfreq changing of PLL frequency (EXPERIMENTAL)"
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depends on ARM_S3C24XX
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help
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Compile in support for changing the PLL frequency from the
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S3C24XX series CPUfreq driver. The PLL takes time to settle
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after a frequency change, so by default it is not enabled.
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This also means that the PLL tables for the selected CPU(s) will
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be built which may increase the size of the kernel image.
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# cpu frequency items common between s3c2410 and s3c2440/s3c2442
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config S3C2410_IOTIMING
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bool
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depends on CPU_FREQ_S3C24XX
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depends on ARM_S3C24XX_CPUFREQ
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help
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Internal node to select io timing code that is common to the s3c2410
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and s3c2440/s3c2442 cpu frequency support.
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config S3C2410_CPUFREQ_UTILS
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bool
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depends on CPU_FREQ_S3C24XX
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help
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Internal node to select timing code that is common to the s3c2410
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and s3c2440/s3c244 cpu frequency support.
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bool
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depends on ARM_S3C24XX_CPUFREQ
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help
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Internal node to select timing code that is common to the s3c2410
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and s3c2440/s3c244 cpu frequency support.
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# cpu frequency support common to s3c2412, s3c2413 and s3c2442
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config S3C2412_IOTIMING
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bool
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depends on CPU_FREQ_S3C24XX && (CPU_S3C2412 || CPU_S3C2443)
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depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2412 || CPU_S3C2443)
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help
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Intel node to select io timing code that is common to the s3c2412
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and the s3c2443.
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@ -233,16 +244,9 @@ config S3C2412_IOTIMING
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if CPU_S3C2410
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config S3C2410_CPUFREQ
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bool
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depends on CPU_FREQ_S3C24XX
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select S3C2410_CPUFREQ_UTILS
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help
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CPU Frequency scaling support for S3C2410
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config S3C2410_PLL
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bool
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depends on S3C2410_CPUFREQ && CPU_FREQ_S3C24XX_PLL
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depends on ARM_S3C2410_CPUFREQ && S3C24XX_PLL
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default y
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help
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Select the PLL table for the S3C2410
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@ -278,7 +282,7 @@ config ARCH_BAST
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bool "Simtec Electronics BAST (EB2410ITX)"
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select ISA
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select MACH_BAST_IDE
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select S3C2410_IOTIMING if S3C2410_CPUFREQ
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select S3C2410_IOTIMING if ARM_S3C2410_CPUFREQ
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select S3C24XX_DCLK
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select S3C24XX_SIMTEC_NOR
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select S3C24XX_SIMTEC_PM if PM
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@ -385,14 +389,6 @@ config CPU_S3C2412_ONLY
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!CPU_S3C2442 && !CPU_S3C2443
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default y
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config S3C2412_CPUFREQ
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bool
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depends on CPU_FREQ_S3C24XX
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default y
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select S3C2412_IOTIMING
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help
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CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
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config S3C2412_DMA
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bool
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help
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@ -494,14 +490,6 @@ endif # CPU_S3C2416
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if CPU_S3C2440
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config S3C2440_CPUFREQ
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bool "S3C2440/S3C2442 CPU Frequency scaling support"
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depends on CPU_FREQ_S3C24XX && (CPU_S3C2440 || CPU_S3C2442)
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default y
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select S3C2410_CPUFREQ_UTILS
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help
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CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
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config S3C2440_DMA
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bool
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help
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@ -521,15 +509,15 @@ config S3C2440_XTAL_16934400
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config S3C2440_PLL_12000000
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bool
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depends on S3C2440_CPUFREQ && S3C2440_XTAL_12000000
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default y if CPU_FREQ_S3C24XX_PLL
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depends on ARM_S3C2440_CPUFREQ && S3C2440_XTAL_12000000
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default y if S3C24XX_PLL
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help
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PLL tables for S3C2440 or S3C2442 CPUs with 12MHz crystals.
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config S3C2440_PLL_16934400
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bool
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depends on S3C2440_CPUFREQ && S3C2440_XTAL_16934400
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default y if CPU_FREQ_S3C24XX_PLL
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depends on ARM_S3C2440_CPUFREQ && S3C2440_XTAL_16934400
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default y if S3C24XX_PLL
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help
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PLL tables for S3C2440 or S3C2442 CPUs with 16.934MHz crystals.
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@ -583,7 +571,7 @@ config MACH_NEXCODER_2440
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config MACH_OSIRIS
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bool "Simtec IM2440D20 (OSIRIS) module"
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select S3C2410_IOTIMING if S3C2440_CPUFREQ
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select S3C2410_IOTIMING if ARM_S3C2440_CPUFREQ
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select S3C2440_XTAL_12000000
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select S3C24XX_DCLK
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select S3C24XX_GPIO_EXTRA128
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@ -655,7 +643,7 @@ config MACH_RX1950
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bool "HP iPAQ rx1950"
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select I2C
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select PM_H1940 if PM
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select S3C2410_IOTIMING if S3C2440_CPUFREQ
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select S3C2410_IOTIMING if ARM_S3C2440_CPUFREQ
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select S3C2440_XTAL_16934400
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select S3C24XX_DCLK
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select S3C24XX_PWM
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@ -17,13 +17,11 @@ obj- :=
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obj-y += common.o
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obj-$(CONFIG_CPU_S3C2410) += s3c2410.o
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obj-$(CONFIG_S3C2410_CPUFREQ) += cpufreq-s3c2410.o
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obj-$(CONFIG_S3C2410_DMA) += dma-s3c2410.o
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obj-$(CONFIG_S3C2410_PLL) += pll-s3c2410.o
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obj-$(CONFIG_S3C2410_PM) += pm-s3c2410.o sleep-s3c2410.o
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obj-$(CONFIG_CPU_S3C2412) += s3c2412.o clock-s3c2412.o
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obj-$(CONFIG_S3C2412_CPUFREQ) += cpufreq-s3c2412.o
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obj-$(CONFIG_S3C2412_DMA) += dma-s3c2412.o
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obj-$(CONFIG_S3C2412_PM) += pm-s3c2412.o
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obj-$(CONFIG_S3C2412_PM_SLEEP) += sleep-s3c2412.o
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@ -34,7 +32,6 @@ obj-$(CONFIG_S3C2416_PM) += pm-s3c2416.o
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obj-$(CONFIG_CPU_S3C2440) += s3c2440.o clock-s3c2440.o
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obj-$(CONFIG_CPU_S3C2442) += s3c2442.o
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obj-$(CONFIG_CPU_S3C244X) += s3c244x.o clock-s3c244x.o
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obj-$(CONFIG_S3C2440_CPUFREQ) += cpufreq-s3c2440.o
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obj-$(CONFIG_S3C2440_DMA) += dma-s3c2440.o
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obj-$(CONFIG_S3C2440_PLL_12000000) += pll-s3c2440-12000000.o
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obj-$(CONFIG_S3C2440_PLL_16934400) += pll-s3c2440-16934400.o
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@ -59,9 +56,6 @@ obj-$(CONFIG_S3C2412_IOTIMING) += iotiming-s3c2412.o
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obj-$(CONFIG_S3C2443_COMMON) += common-s3c2443.o
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obj-$(CONFIG_S3C2443_DMA) += dma-s3c2443.o
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obj-$(CONFIG_CPU_FREQ_S3C24XX) += cpufreq.o
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obj-$(CONFIG_CPU_FREQ_S3C24XX_DEBUGFS) += cpufreq-debugfs.o
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#
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# machine support
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# following is ordered alphabetically by option text.
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@ -31,7 +31,7 @@
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#include <plat/cpu-freq-core.h>
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#include <plat/clock.h>
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#include "s3c2412.h"
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#include <mach/s3c2412.h>
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#define print_ns(x) ((x) / 10), ((x) % 10)
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@ -202,7 +202,7 @@ extern int s3c_plltab_register(struct cpufreq_frequency_table *plls,
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extern struct s3c_cpufreq_config *s3c_cpufreq_getconfig(void);
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extern struct s3c_iotimings *s3c_cpufreq_getiotimings(void);
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#ifdef CONFIG_CPU_FREQ_S3C24XX_DEBUGFS
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#ifdef CONFIG_ARM_S3C24XX_CPUFREQ_DEBUGFS
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#define s3c_cpufreq_debugfs_call(x) x
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#else
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#define s3c_cpufreq_debugfs_call(x) NULL
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@ -259,17 +259,17 @@ extern void s3c2412_iotiming_set(struct s3c_cpufreq_config *cfg,
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#define s3c2412_iotiming_set NULL
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#endif /* CONFIG_S3C2412_IOTIMING */
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#ifdef CONFIG_CPU_FREQ_S3C24XX_DEBUG
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#ifdef CONFIG_ARM_S3C24XX_CPUFREQ_DEBUG
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#define s3c_freq_dbg(x...) printk(KERN_INFO x)
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#else
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#define s3c_freq_dbg(x...) do { if (0) printk(x); } while (0)
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#endif /* CONFIG_CPU_FREQ_S3C24XX_DEBUG */
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#endif /* CONFIG_ARM_S3C24XX_CPUFREQ_DEBUG */
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#ifdef CONFIG_CPU_FREQ_S3C24XX_IODEBUG
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#ifdef CONFIG_ARM_S3C24XX_CPUFREQ_IODEBUG
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#define s3c_freq_iodbg(x...) printk(KERN_INFO x)
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#else
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#define s3c_freq_iodbg(x...) do { if (0) printk(x); } while (0)
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#endif /* CONFIG_CPU_FREQ_S3C24XX_IODEBUG */
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#endif /* CONFIG_ARM_S3C24XX_CPUFREQ_IODEBUG */
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static inline int s3c_cpufreq_addfreq(struct cpufreq_frequency_table *table,
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int index, size_t table_size,
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@ -126,7 +126,7 @@ struct s3c_cpufreq_board {
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};
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/* Things depending on frequency scaling. */
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#ifdef CONFIG_CPU_FREQ_S3C
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#ifdef CONFIG_ARM_S3C_CPUFREQ
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#define __init_or_cpufreq
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#else
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#define __init_or_cpufreq __init
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@ -134,7 +134,7 @@ struct s3c_cpufreq_board {
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/* Board functions */
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#ifdef CONFIG_CPU_FREQ_S3C
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#ifdef CONFIG_ARM_S3C_CPUFREQ
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extern int s3c_cpufreq_setboard(struct s3c_cpufreq_board *board);
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#else
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@ -142,4 +142,4 @@ static inline int s3c_cpufreq_setboard(struct s3c_cpufreq_board *board)
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{
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return 0;
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}
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#endif /* CONFIG_CPU_FREQ_S3C */
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#endif /* CONFIG_ARM_S3C_CPUFREQ */
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@ -95,6 +95,56 @@ config ARM_OMAP2PLUS_CPUFREQ
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default ARCH_OMAP2PLUS
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select CPU_FREQ_TABLE
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config ARM_S3C_CPUFREQ
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bool
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help
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Internal configuration node for common cpufreq on Samsung SoC
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config ARM_S3C24XX_CPUFREQ
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bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
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depends on ARCH_S3C24XX
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select ARM_S3C_CPUFREQ
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help
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This enables the CPUfreq driver for the Samsung S3C24XX family
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of CPUs.
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For details, take a look at <file:Documentation/cpu-freq>.
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If in doubt, say N.
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config ARM_S3C24XX_CPUFREQ_DEBUG
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bool "Debug CPUfreq Samsung driver core"
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depends on ARM_S3C24XX_CPUFREQ
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help
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Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
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config ARM_S3C24XX_CPUFREQ_IODEBUG
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bool "Debug CPUfreq Samsung driver IO timing"
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depends on ARM_S3C24XX_CPUFREQ
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help
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Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
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config ARM_S3C24XX_CPUFREQ_DEBUGFS
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bool "Export debugfs for CPUFreq"
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depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
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help
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Export status information via debugfs.
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config ARM_S3C2410_CPUFREQ
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bool
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depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
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select S3C2410_CPUFREQ_UTILS
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help
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CPU Frequency scaling support for S3C2410
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config ARM_S3C2412_CPUFREQ
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bool
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depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
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default y
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select S3C2412_IOTIMING
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help
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CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
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config ARM_S3C2416_CPUFREQ
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bool "S3C2416 CPU Frequency scaling support"
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depends on CPU_S3C2416
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@ -117,6 +167,14 @@ config ARM_S3C2416_CPUFREQ_VCORESCALE
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If in doubt, say N.
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config ARM_S3C2440_CPUFREQ
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bool "S3C2440/S3C2442 CPU Frequency scaling support"
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depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
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select S3C2410_CPUFREQ_UTILS
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default y
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help
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CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
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config ARM_S3C64XX_CPUFREQ
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bool "Samsung S3C64XX"
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depends on CPU_S3C6410
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@ -65,7 +65,12 @@ obj-$(CONFIG_ARM_OMAP2PLUS_CPUFREQ) += omap-cpufreq.o
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obj-$(CONFIG_PXA25x) += pxa2xx-cpufreq.o
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obj-$(CONFIG_PXA27x) += pxa2xx-cpufreq.o
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obj-$(CONFIG_PXA3xx) += pxa3xx-cpufreq.o
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obj-$(CONFIG_ARM_S3C24XX_CPUFREQ) += s3c24xx-cpufreq.o
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obj-$(CONFIG_ARM_S3C24XX_CPUFREQ_DEBUGFS) += s3c24xx-cpufreq-debugfs.o
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obj-$(CONFIG_ARM_S3C2410_CPUFREQ) += s3c2410-cpufreq.o
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obj-$(CONFIG_ARM_S3C2412_CPUFREQ) += s3c2412-cpufreq.o
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obj-$(CONFIG_ARM_S3C2416_CPUFREQ) += s3c2416-cpufreq.o
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obj-$(CONFIG_ARM_S3C2440_CPUFREQ) += s3c2440-cpufreq.o
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obj-$(CONFIG_ARM_S3C64XX_CPUFREQ) += s3c64xx-cpufreq.o
|
||||
obj-$(CONFIG_ARM_S5PV210_CPUFREQ) += s5pv210-cpufreq.o
|
||||
obj-$(CONFIG_ARM_SA1100_CPUFREQ) += sa1100-cpufreq.o
|
||||
|
|
|
|||
|
|
@ -25,13 +25,12 @@
|
|||
#include <asm/mach/map.h>
|
||||
|
||||
#include <mach/regs-clock.h>
|
||||
#include <mach/s3c2412.h>
|
||||
|
||||
#include <plat/cpu.h>
|
||||
#include <plat/clock.h>
|
||||
#include <plat/cpu-freq-core.h>
|
||||
|
||||
#include "s3c2412.h"
|
||||
|
||||
/* our clock resources. */
|
||||
static struct clk *xtal;
|
||||
static struct clk *fclk;
|
||||
Loading…
Reference in New Issue