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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-05-12 13:31:48 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-05-23 18:04:53 +0100
commit7ff550de99141cbd3be0129d563cc4554fdde9f6 (patch)
tree21381e1dcdbd69b461cefc696a1a1fd80f38ce8e /arch/arm/mach-realview
parentfb593cf38fc426331275d761fefe13096070f56a (diff)
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-realview')
-rw-r--r--arch/arm/mach-realview/core.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c
index 6356b5e2e11..6a9cd1eb4c2 100644
--- a/arch/arm/mach-realview/core.c
+++ b/arch/arm/mach-realview/core.c
@@ -315,6 +315,10 @@ static struct clk ref24_clk = {
.rate = 24000000,
};
+static struct clk sp804_clk = {
+ .rate = 1000000,
+};
+
static struct clk dummy_apb_pclk;
static struct clk_lookup lookups[] = {
@@ -357,7 +361,10 @@ static struct clk_lookup lookups[] = {
}, { /* SSP */
.dev_id = "dev:ssp0",
.clk = &ref24_clk,
- }
+ }, { /* SP804 timers */
+ .dev_id = "sp804",
+ .clk = &sp804_clk,
+ },
};
void __init realview_init_early(void)