blackfin: bf60x: add clock support

Add clock support for bf60x.

Signed-off-by: Steven Miao <realmz6@gmail.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/arch/blackfin/mach-common/clock.h b/arch/blackfin/mach-common/clock.h
new file mode 100644
index 000000000000..645ff460a1f2
--- /dev/null
+++ b/arch/blackfin/mach-common/clock.h
@@ -0,0 +1,27 @@
+#ifndef __MACH_COMMON_CLKDEV_H
+#define __MACH_COMMON_CLKDEV_H
+
+#include <linux/clk.h>
+
+struct clk_ops {
+        unsigned long (*get_rate)(struct clk *clk);
+        unsigned long (*round_rate)(struct clk *clk, unsigned long rate);
+        int (*set_rate)(struct clk *clk, unsigned long rate);
+        int (*enable)(struct clk *clk);
+        int (*disable)(struct clk *clk);
+};
+
+struct clk {
+        const char              *name;
+        unsigned long           rate;
+        spinlock_t              lock;
+        u32                     flags;
+        const struct clk_ops    *ops;
+        const struct params     *params;
+        void __iomem            *reg;
+        u32                     mask;
+        u32                     shift;
+};
+
+#endif
+