+int enable_spi_clk(unsigned char enable, unsigned spi_num);
+void enable_ipu_clock(void);
+int enable_fec_anatop_clock(int fec_id, enum enet_freq freq);
+void enable_enet_clk(unsigned char enable);
+int enable_lcdif_clock(u32 base_addr);
+void enable_qspi_clk(int qspi_num);
+void enable_thermal_clk(void);
+void mxs_set_lcdclk(u32 base_addr, u32 freq);