2 * Marvell EBU SoC common clock handling
4 * Copyright (C) 2012 Marvell
6 * Gregory CLEMENT <gregory.clement@free-electrons.com>
7 * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
8 * Andrew Lunn <andrew@lunn.ch>
10 * This file is licensed under the terms of the GNU General Public
11 * License version 2. This program is licensed "as is" without any
12 * warranty of any kind, whether express or implied.
15 #ifndef __CLK_MVEBU_COMMON_H_
16 #define __CLK_MVEBU_COMMON_H_
18 #include <linux/kernel.h>
22 struct coreclk_ratio {
27 struct coreclk_soc_desc {
28 u32 (*get_tclk_freq)(void __iomem *sar);
29 u32 (*get_cpu_freq)(void __iomem *sar);
30 void (*get_clk_ratio)(void __iomem *sar, int id, int *mult, int *div);
31 const struct coreclk_ratio *ratios;
35 struct clk_gating_soc_desc {
42 void __init mvebu_coreclk_setup(struct device_node *np,
43 const struct coreclk_soc_desc *desc);
45 void __init mvebu_clk_gating_setup(struct device_node *np,
46 const struct clk_gating_soc_desc *desc);