int clk_set_rate_locked(struct clk * clk,unsigned long rate);
void clk_register_dvfs(struct clk_node *dvfs_clk, struct clk *clk);
struct clk_node *clk_get_dvfs_info(struct clk *clk);
+int is_suport_round_rate(struct clk *clk);
#ifdef RK30_CLK_OFFBOARD_TEST
#include <linux/device.h>