2 * keystone2: common clock header file
4 * (C) Copyright 2012-2014
5 * Texas Instruments Incorporated, <www.ti.com>
7 * SPDX-License-Identifier: GPL-2.0+
10 #ifndef __ASM_ARCH_CLOCK_H
11 #define __ASM_ARCH_CLOCK_H
15 #ifdef CONFIG_SOC_K2HK
16 #include <asm/arch/clock-k2hk.h>
20 #include <asm/arch/clock-k2e.h>
23 #define MAIN_PLL CORE_PLL
25 #include <asm/types.h>
27 struct keystone_pll_regs {
32 /* PLL configuration data */
33 struct pll_init_data {
35 int pll_m; /* PLL Multiplier */
36 int pll_d; /* PLL divider */
37 int pll_od; /* PLL output divider */
40 extern const struct keystone_pll_regs keystone_pll_regs[];
41 extern int dev_speeds[];
42 extern int arm_speeds[];
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);