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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-05-12 16:31:48 +0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-05-23 21:04:53 +0400
commit7ff550de99141cbd3be0129d563cc4554fdde9f6 (patch)
tree21381e1dcdbd69b461cefc696a1a1fd80f38ce8e /arch/arm/mach-vexpress/ct-ca9x4.c
parentfb593cf38fc426331275d761fefe13096070f56a (diff)
downloadlinux-7ff550de99141cbd3be0129d563cc4554fdde9f6.tar.xz
clocksource: ARM sp804: obtain sp804 timer rate via clks
This allows platforms to specify the rate of the SP804 clocksource via the clk subsystem. While ARM boards clock these at 1MHz, BCMRing also has SP804 timers but are clocked at different rates. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-vexpress/ct-ca9x4.c')
-rw-r--r--arch/arm/mach-vexpress/ct-ca9x4.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c
index c833fd9505c5..6004f06cbde5 100644
--- a/arch/arm/mach-vexpress/ct-ca9x4.c
+++ b/arch/arm/mach-vexpress/ct-ca9x4.c
@@ -141,10 +141,18 @@ static struct clk osc1_clk = {
.rate = 24000000,
};
+static struct clk ct_sp804_clk = {
+ .rate = 1000000,
+};
+
static struct clk_lookup lookups[] = {
{ /* CLCD */
.dev_id = "ct:clcd",
.clk = &osc1_clk,
+ }, { /* SP804 timers */
+ .dev_id = "sp804",
+ .con_id = "ct-timer1",
+ .clk = &ct_sp804_clk,
},
};