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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-versatile
parentfb593cf38fc426331275d761fefe13096070f56a (diff)
downloadblackbird-op-linux-7ff550de99141cbd3be0129d563cc4554fdde9f6.tar.gz
blackbird-op-linux-7ff550de99141cbd3be0129d563cc4554fdde9f6.zip
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-versatile')
-rw-r--r--arch/arm/mach-versatile/core.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index aad6d395be44..b0b7de6875ab 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -375,6 +375,10 @@ 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[] = {
@@ -411,7 +415,10 @@ static struct clk_lookup lookups[] = {
}, { /* CLCD */
.dev_id = "dev:20",
.clk = &osc4_clk,
- }
+ }, { /* SP804 timers */
+ .dev_id = "sp804",
+ .clk = &sp804_clk,
+ },
};
/*
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