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Linux kernel mirror (for testing)
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linux
1/*
2 * Marvell EBU SoC common clock handling
3 *
4 * Copyright (C) 2012 Marvell
5 *
6 * Gregory CLEMENT <gregory.clement@free-electrons.com>
7 * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
8 * Andrew Lunn <andrew@lunn.ch>
9 *
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.
13 */
14
15#ifndef __CLK_MVEBU_COMMON_H_
16#define __CLK_MVEBU_COMMON_H_
17
18#include <linux/kernel.h>
19
20struct device_node;
21
22struct coreclk_ratio {
23 int id;
24 const char *name;
25};
26
27struct 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;
32 int num_ratios;
33};
34
35struct clk_gating_soc_desc {
36 const char *name;
37 const char *parent;
38 int bit_idx;
39 unsigned long flags;
40};
41
42void __init mvebu_coreclk_setup(struct device_node *np,
43 const struct coreclk_soc_desc *desc);
44
45void __init mvebu_clk_gating_setup(struct device_node *np,
46 const struct clk_gating_soc_desc *desc);
47
48#endif