From 9d56c02a5a171e1fdb87f3b718b418cb0522d2b1 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Thu, 30 Jul 2009 23:23:25 +0100 Subject: [PATCH] ARM: Add S3C24XX to CPUFreq KConfig Add the S3C24XX to the main ARM CPUFreq Kconfig support list. Signed-off-by: Ben Dooks Signed-off-by: Ben Dooks --- arch/arm/Kconfig | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 7dbaabd8df3f..c7a83efef0b9 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -573,6 +573,7 @@ config ARCH_SA1100 config ARCH_S3C2410 bool "Samsung S3C2410, S3C2412, S3C2413, S3C2440, S3C2442, S3C2443" select GENERIC_GPIO + select ARCH_HAS_CPUFREQ select HAVE_CLK help Samsung S3C2410X CPU based systems, such as the Simtec Electronics @@ -1288,6 +1289,46 @@ config CPU_FREQ_S3C64XX bool "CPUfreq support for Samsung S3C64XX CPUs" depends on CPU_FREQ && CPU_S3C6410 +config CPU_FREQ_S3C + bool + help + Internal configuration node for common cpufreq on Samsung SoC + +config CPU_FREQ_S3C24XX + bool "CPUfreq driver for Samsung S3C24XX series CPUs" + depends on ARCH_S3C2410 && CPU_FREQ && EXPERIMENTAL + select CPU_FREQ_S3C + help + This enables the CPUfreq driver for the Samsung S3C24XX family + of CPUs. + + For details, take a look at . + + If in doubt, say N. + +config CPU_FREQ_S3C24XX_PLL + bool "Support CPUfreq changing of PLL frequency" + depends on CPU_FREQ_S3C24XX && EXPERIMENTAL + help + Compile in support for changing the PLL frequency from the + S3C24XX series CPUfreq driver. The PLL takes time to settle + after a frequency change, so by default it is not enabled. + + This also means that the PLL tables for the selected CPU(s) will + be built which may increase the size of the kernel image. + +config CPU_FREQ_S3C24XX_DEBUG + bool "Debug CPUfreq Samsung driver core" + depends on CPU_FREQ_S3C24XX + help + Enable s3c_freq_dbg for the Samsung S3C CPUfreq core + +config CPU_FREQ_S3C24XX_IODEBUG + bool "Debug CPUfreq Samsung driver IO timing" + depends on CPU_FREQ_S3C24XX + help + Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core + endif source "drivers/cpuidle/Kconfig" -- 2.39.5