[ARM] S3C64XX: Clock support for S3C6400/S3C6410

Add the PLL clock initialisation and clock registration
and include the clocks sourced via CLKDIVx for most of
the on-chip peripherals.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>

arch/arm/plat-s3c/include/plat/clock.h

@@ -78,3 +78,6 @@ extern void s3c2412_setup_clocks(void);
 extern void s3c244x_setup_clocks(void);
 extern void s3c2443_setup_clocks(void);
 
+/* S3C64XX specific functions and clocks */
+
+extern int s3c64xx_sclk_ctrl(struct clk *clk, int enable);