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authorBen Dooks <ben-linux@fluff.org>2009-11-30 00:40:47 +0000
committerBen Dooks <ben-linux@fluff.org>2010-01-15 17:10:08 +0900
commit70792bcfad5f4817fc067b7fdb0541d8b13b5502 (patch)
treec60065238f8d6fbc0669f4b7a02b282c962ac516 /arch/arm/plat-samsung/include/plat/clock.h
parent3ce2f76f5dfeeacd128db9e5cd6945bac0ea0b2a (diff)
ARM: SAMSUNG: Move <plat/clock.h> to plat-samsung
Move the <plat/clock.h> header to plat-samsung where it can be used by all the platforms, and readies it for the next round of clock updates where the clock code will be amalgamated. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/plat-samsung/include/plat/clock.h')
-rw-r--r--arch/arm/plat-samsung/include/plat/clock.h89
1 files changed, 89 insertions, 0 deletions
diff --git a/arch/arm/plat-samsung/include/plat/clock.h b/arch/arm/plat-samsung/include/plat/clock.h
new file mode 100644
index 00000000000..d86af84b5b8
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/clock.h
@@ -0,0 +1,89 @@
+/* linux/arch/arm/plat-s3c/include/plat/clock.h
+ *
+ * Copyright (c) 2004-2005 Simtec Electronics
+ * http://www.simtec.co.uk/products/SWLINUX/
+ * Written by Ben Dooks, <ben@simtec.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/spinlock.h>
+
+struct clk {
+ struct list_head list;
+ struct module *owner;
+ struct clk *parent;
+ const char *name;
+ int id;
+ int usage;
+ unsigned long rate;
+ unsigned long ctrlbit;
+
+ int (*enable)(struct clk *, int enable);
+ int (*set_rate)(struct clk *c, unsigned long rate);
+ unsigned long (*get_rate)(struct clk *c);
+ unsigned long (*round_rate)(struct clk *c, unsigned long rate);
+ int (*set_parent)(struct clk *c, struct clk *parent);
+};
+
+/* other clocks which may be registered by board support */
+
+extern struct clk s3c24xx_dclk0;
+extern struct clk s3c24xx_dclk1;
+extern struct clk s3c24xx_clkout0;
+extern struct clk s3c24xx_clkout1;
+extern struct clk s3c24xx_uclk;
+
+extern struct clk clk_usb_bus;
+
+/* core clock support */
+
+extern struct clk clk_f;
+extern struct clk clk_h;
+extern struct clk clk_p;
+extern struct clk clk_mpll;
+extern struct clk clk_upll;
+extern struct clk clk_epll;
+extern struct clk clk_xtal;
+extern struct clk clk_ext;
+
+/* S3C64XX specific clocks */
+extern struct clk clk_h2;
+extern struct clk clk_27m;
+extern struct clk clk_48m;
+
+/* exports for arch/arm/mach-s3c2410
+ *
+ * Please DO NOT use these outside of arch/arm/mach-s3c2410
+*/
+
+extern spinlock_t clocks_lock;
+
+extern int s3c2410_clkcon_enable(struct clk *clk, int enable);
+
+extern int s3c24xx_register_clock(struct clk *clk);
+extern int s3c24xx_register_clocks(struct clk **clk, int nr_clks);
+
+extern int s3c24xx_register_baseclocks(unsigned long xtal);
+
+extern void s3c64xx_register_clocks(void);
+
+extern void s3c24xx_setup_clocks(unsigned long fclk,
+ unsigned long hclk,
+ unsigned long pclk);
+
+extern void s3c2410_setup_clocks(void);
+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);
+
+/* Init for pwm clock code */
+
+extern void s3c_pwmclk_init(void);
+