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authorIngo Molnar <mingo@kernel.org>2012-04-13 09:57:10 +0200
committerIngo Molnar <mingo@kernel.org>2012-04-13 09:57:10 +0200
commita385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (patch)
treea2c186cb828e3713c2ec48a4d7191166fb798b3d /arch/arm/mach-imx/clock-imx27.c
parent659c36fcda403013a01b85da07cf2d9711e6d6c7 (diff)
parent0034102808e0dbbf3a2394b82b1bb40b5778de9e (diff)
Merge tag 'v3.4-rc2' into perf/core
Merge Linux 3.4-rc2: we were on v3.3, update the base. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm/mach-imx/clock-imx27.c')
-rw-r--r--arch/arm/mach-imx/clock-imx27.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/clock-imx27.c b/arch/arm/mach-imx/clock-imx27.c
index dc2d7a511d9b..98e04f5a87dd 100644
--- a/arch/arm/mach-imx/clock-imx27.c
+++ b/arch/arm/mach-imx/clock-imx27.c
@@ -22,6 +22,7 @@
#include <linux/io.h>
#include <linux/module.h>
#include <linux/clkdev.h>
+#include <linux/of.h>
#include <asm/div64.h>
@@ -661,6 +662,7 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK(NULL, "dma", dma_clk)
_REGISTER_CLOCK(NULL, "rtic", rtic_clk)
_REGISTER_CLOCK(NULL, "brom", brom_clk)
+ _REGISTER_CLOCK(NULL, "emma", emma_clk)
_REGISTER_CLOCK("m2m-emmaprp.0", NULL, emma_clk)
_REGISTER_CLOCK(NULL, "slcdc", slcdc_clk)
_REGISTER_CLOCK("imx27-fec.0", NULL, fec_clk)
@@ -764,3 +766,20 @@ int __init mx27_clocks_init(unsigned long fref)
return 0;
}
+#ifdef CONFIG_OF
+int __init mx27_clocks_init_dt(void)
+{
+ struct device_node *np;
+ u32 fref = 26000000; /* default */
+
+ for_each_compatible_node(np, NULL, "fixed-clock") {
+ if (!of_device_is_compatible(np, "fsl,imx-osc26m"))
+ continue;
+
+ if (!of_property_read_u32(np, "clock-frequency", &fref))
+ break;
+ }
+
+ return mx27_clocks_init(fref);
+}
+#endif