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[karo-tx-uboot.git] / arch / arm / include / asm / arch-keystone / clock.h
1 /*
2  * keystone2: common clock header file
3  *
4  * (C) Copyright 2012-2014
5  *     Texas Instruments Incorporated, <www.ti.com>
6  *
7  * SPDX-License-Identifier:     GPL-2.0+
8  */
9
10 #ifndef __ASM_ARCH_CLOCK_H
11 #define __ASM_ARCH_CLOCK_H
12
13 #ifndef __ASSEMBLY__
14
15 #ifdef CONFIG_SOC_K2HK
16 #include <asm/arch/clock-k2hk.h>
17 #endif
18
19 #ifdef CONFIG_SOC_K2E
20 #include <asm/arch/clock-k2e.h>
21 #endif
22
23 #define MAIN_PLL CORE_PLL
24
25 #include <asm/types.h>
26
27 struct keystone_pll_regs {
28         u32 reg0;
29         u32 reg1;
30 };
31
32 /* PLL configuration data */
33 struct pll_init_data {
34         int pll;
35         int pll_m;              /* PLL Multiplier */
36         int pll_d;              /* PLL divider */
37         int pll_od;             /* PLL output divider */
38 };
39
40 extern const struct keystone_pll_regs keystone_pll_regs[];
41 extern int dev_speeds[];
42 extern int arm_speeds[];
43
44 void init_plls(int num_pll, struct pll_init_data *config);
45 void init_pll(const struct pll_init_data *data);
46 unsigned long clk_get_rate(unsigned int clk);
47 unsigned long clk_round_rate(unsigned int clk, unsigned long hz);
48 int clk_set_rate(unsigned int clk, unsigned long hz);
49 int get_max_dev_speed(void);
50 int get_max_arm_speed(void);
51
52 #endif
53 #endif