xref: /openbmc/linux/arch/arm/mach-omap2/clock2xxx.h (revision 6774def6)
1 /*
2  * OMAP2 clock function prototypes and macros
3  *
4  * Copyright (C) 2005-2010 Texas Instruments, Inc.
5  * Copyright (C) 2004-2010 Nokia Corporation
6  */
7 
8 #ifndef __ARCH_ARM_MACH_OMAP2_CLOCK2XXX_H
9 #define __ARCH_ARM_MACH_OMAP2_CLOCK2XXX_H
10 
11 #include <linux/clk-provider.h>
12 #include "clock.h"
13 
14 unsigned long omap2_table_mpu_recalc(struct clk_hw *clk,
15 				     unsigned long parent_rate);
16 int omap2_select_table_rate(struct clk_hw *hw, unsigned long rate,
17 			    unsigned long parent_rate);
18 long omap2_round_to_table_rate(struct clk_hw *hw, unsigned long rate,
19 			       unsigned long *parent_rate);
20 unsigned long omap2xxx_sys_clk_recalc(struct clk_hw *clk,
21 				      unsigned long parent_rate);
22 unsigned long omap2_osc_clk_recalc(struct clk_hw *clk,
23 				   unsigned long parent_rate);
24 void omap2xxx_clkt_dpllcore_init(struct clk_hw *hw);
25 unsigned long omap2_clk_apll54_recalc(struct clk_hw *hw,
26 				      unsigned long parent_rate);
27 unsigned long omap2_clk_apll96_recalc(struct clk_hw *hw,
28 				      unsigned long parent_rate);
29 unsigned long omap2xxx_clk_get_core_rate(void);
30 u32 omap2xxx_get_apll_clkin(void);
31 u32 omap2xxx_get_sysclkdiv(void);
32 void omap2xxx_clk_prepare_for_reboot(void);
33 void omap2xxx_clkt_vps_check_bootloader_rates(void);
34 void omap2xxx_clkt_vps_late_init(void);
35 
36 #ifdef CONFIG_SOC_OMAP2420
37 int omap2420_clk_init(void);
38 #else
39 #define omap2420_clk_init()	do { } while(0)
40 #endif
41 
42 #ifdef CONFIG_SOC_OMAP2430
43 int omap2430_clk_init(void);
44 #else
45 #define omap2430_clk_init()	do { } while(0)
46 #endif
47 
48 extern struct clk_hw *dclk_hw;
49 int omap2_enable_osc_ck(struct clk_hw *hw);
50 void omap2_disable_osc_ck(struct clk_hw *hw);
51 int omap2_clk_apll96_enable(struct clk_hw *hw);
52 int omap2_clk_apll54_enable(struct clk_hw *hw);
53 void omap2_clk_apll96_disable(struct clk_hw *hw);
54 void omap2_clk_apll54_disable(struct clk_hw *hw);
55 
56 #endif
57