ARM: OSIRIS: CPUFREQ: Add CPU frequency scaling support
Add CPU frequency scalling support to the Simtec Osiris.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/mach-s3c2440/mach-osiris.c b/arch/arm/mach-s3c2440/mach-osiris.c
index cba064b..2105a41 100644
--- a/arch/arm/mach-s3c2440/mach-osiris.c
+++ b/arch/arm/mach-s3c2440/mach-osiris.c
@@ -34,6 +34,7 @@
#include <asm/irq.h>
#include <asm/mach-types.h>
+#include <plat/cpu-freq.h>
#include <plat/regs-serial.h>
#include <mach/regs-gpio.h>
#include <mach/regs-mem.h>
@@ -351,6 +352,12 @@
&s3c24xx_uclk,
};
+static struct s3c_cpufreq_board __initdata osiris_cpufreq = {
+ .refresh = 7800, /* refresh period is 7.8usec */
+ .auto_io = 1,
+ .need_io = 1,
+};
+
static void __init osiris_map_io(void)
{
unsigned long flags;
@@ -402,6 +409,8 @@
s3c_i2c0_set_platdata(NULL);
+ s3c_cpufreq_setboard(&osiris_cpufreq);
+
i2c_register_board_info(0, osiris_i2c_devs,
ARRAY_SIZE(osiris_i2c_devs));