Merge tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

[profile/ivi/kernel-adaptation-intel-automotive.git] / arch / arm / mach-imx / clock-imx27.c

diff --git a/arch/arm/mach-imx/clock-imx27.c b/arch/arm/mach-imx/clock-imx27.c
index dc2d7a5..b9a95ed 100644 (file)
--- 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>
 
@@ -764,3 +765,20 @@ 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