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>
diff --git a/arch/blackfin/include/asm/clkdev.h b/arch/blackfin/include/asm/clkdev.h
new file mode 100644
index 0000000..9053bed
--- /dev/null
+++ b/arch/blackfin/include/asm/clkdev.h
@@ -0,0 +1,14 @@
+#ifndef __ASM_CLKDEV__H_
+#define __ASM_CLKDEV__H_
+
+#include <linux/slab.h>
+
+static inline struct clk_lookup_alloc *__clkdev_alloc(size_t size)
+{
+ return kzalloc(size, GFP_KERNEL);
+}
+
+#define __clk_put(clk)
+#define __clk_get(clk) ({ 1; })
+
+#endif
diff --git a/arch/blackfin/include/asm/clocks.h b/arch/blackfin/include/asm/clocks.h
index 6f0b618..9b3c85b 100644
--- a/arch/blackfin/include/asm/clocks.h
+++ b/arch/blackfin/include/asm/clocks.h
@@ -48,4 +48,27 @@
# define CONFIG_VCO_MULT 0
#endif
+#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 {
+ struct clk *parent;
+ const char *name;
+ unsigned long rate;
+ spinlock_t lock;
+ u32 flags;
+ const struct clk_ops *ops;
+ void __iomem *reg;
+ u32 mask;
+ u32 shift;
+};
+
+int clk_init(void);
#endif