1 files changed, 35 insertions, 0 deletions

diff --git a/arch/arm/mach-imx/clk.c b/arch/arm/mach-imx/clk.c
index 37e884ed1cd4..53e8788b0d0f 100644
--- a/arch/arm/mach-imx/clk.c
+++ b/arch/arm/mach-imx/clk.c
@@ -1,4 +1,39 @@
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/of.h>
+#include <linux/slab.h>
 #include <linux/spinlock.h>
 #include "clk.h"
 
 DEFINE_SPINLOCK(imx_ccm_lock);
+
+static struct clk * __init imx_obtain_fixed_clock_from_dt(const char *name)
+{
+        struct of_phandle_args phandle = {0};
+        struct clk *clk = ERR_PTR(-ENODEV);
+        char *path;
+
+        path = kasprintf(GFP_KERNEL, "/clocks/%s", name);
+        if (!path)
+                return ERR_PTR(-ENOMEM);
+
+        phandle.np = of_find_node_by_path(path);
+        kfree(path);
+
+        if (phandle.np) {
+                clk = of_clk_get_from_provider(&phandle);
+                of_node_put(phandle.np);
+        }
+        return clk;
+}
+
+struct clk * __init imx_obtain_fixed_clock(
+                        const char *name, unsigned long rate)
+{
+        struct clk *clk;
+
+        clk = imx_obtain_fixed_clock_from_dt(name);
+        if (IS_ERR(clk))
+                clk = imx_clk_fixed(name, rate);
+        return clk;
+}