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>
24 #include <asm/arch/clock-k2l.h>
27 #define CORE_PLL MAIN_PLL
28 #define DDR3_PLL DDR3A_PLL
30 #define CLK_LIST(CLK)\
33 CLK(2, tetris_pll_clk)\
34 CLK(3, ddr3a_pll_clk)\
35 CLK(4, ddr3b_pll_clk)\
37 CLK(6, sys_clk0_1_clk)\
38 CLK(7, sys_clk0_2_clk)\
39 CLK(8, sys_clk0_3_clk)\
40 CLK(9, sys_clk0_4_clk)\
41 CLK(10, sys_clk0_6_clk)\
42 CLK(11, sys_clk0_8_clk)\
43 CLK(12, sys_clk0_12_clk)\
44 CLK(13, sys_clk0_24_clk)\
45 CLK(14, sys_clk1_clk)\
46 CLK(15, sys_clk1_3_clk)\
47 CLK(16, sys_clk1_4_clk)\
48 CLK(17, sys_clk1_6_clk)\
49 CLK(18, sys_clk1_12_clk)\
50 CLK(19, sys_clk2_clk)\
53 #include <asm/types.h>
55 #define GENERATE_ENUM(NUM, ENUM) ENUM = NUM,
56 #define GENERATE_INDX_STR(NUM, STRING) #NUM"\t- "#STRING"\n"
57 #define CLOCK_INDEXES_LIST CLK_LIST(GENERATE_INDX_STR)
88 ext_clk_count /* number of external clocks */
92 CLK_LIST(GENERATE_ENUM)
95 struct keystone_pll_regs {
100 /* PLL configuration data */
101 struct pll_init_data {
103 int pll_m; /* PLL Multiplier */
104 int pll_d; /* PLL divider */
105 int pll_od; /* PLL output divider */
108 extern unsigned int external_clk[ext_clk_count];
109 extern const struct keystone_pll_regs keystone_pll_regs[];
110 extern s16 divn_val[];
113 void init_plls(void);
114 void init_pll(const struct pll_init_data *data);
115 struct pll_init_data *get_pll_init_data(int pll);
116 unsigned long clk_get_rate(unsigned int clk);
117 unsigned long clk_round_rate(unsigned int clk, unsigned long hz);
118 int clk_set_rate(unsigned int clk, unsigned long hz);
119 int get_max_dev_speed(void);
120 int get_max_arm_speed(void);